:root{--bg:#fbfbfd;--card:#fff;--fg:#1d1d1f;--fg2:#6e6e73;--fg3:#aeaeb2;--line:#00000014;--accent:#0a84ff;--soft:#f5f5f7;--shadow:0 12px 48px #00000012;--glass:#fbfbfdb8;--glass-nav:#fbfbfde0;--veil:#fbfbfd99;--ease:cubic-bezier(.2, .7, .2, 1);--ease-drawer:cubic-bezier(.32, .72, 0, 1);--ease-flip:cubic-bezier(.4, .2, .2, 1);--font-math:"Times New Roman", "STIX Two Math", Georgia, serif;--sat:env(safe-area-inset-top,0px);--sab:env(safe-area-inset-bottom,0px);--pad-x:max(clamp(20px, 5vw, 40px), env(safe-area-inset-left,0px), env(safe-area-inset-right,0px));--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--bg:#000;--card:#1c1c1e;--fg:#f5f5f7;--fg2:#98989d;--fg3:#636366;--line:#ffffff1a;--accent:#0a84ff;--soft:#111113;--shadow:0 12px 48px #0009;--glass:#0009;--glass-nav:#000000d1;--veil:#0000008c;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}html{scroll-behavior:smooth;-moz-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--bg);color:var(--fg);-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased;margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,PingFang SC,Hiragino Sans GB,Helvetica Neue,sans-serif;transition:background .5s,color .5s}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit}::selection{background:#0a84ff33}@keyframes pageIn{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}@keyframes stepIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes riseIn{0%{opacity:0;translate:0 10px}to{opacity:1;translate:none}}@keyframes tipIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@keyframes pulse{0%,to{opacity:.35}50%{opacity:1}}.app{min-height:100dvh;position:relative}.app:before{content:"";height:calc(140px + var(--sat));z-index:28;pointer-events:none;background:linear-gradient(to bottom, var(--bg) 0, var(--bg) calc(84px + var(--sat)), transparent calc(140px + var(--sat)));position:fixed;top:0;left:0;right:0}.nav-dom-head,.nav-course-btn,.nav-link,.nav-ch,.nav-theme,.crumb,.theme-btn,.plan-edit,.plan-item-btn,.plan-remove,.chip,.pill-primary,.pill-hollow,.course-card,.ch-row,.back,.flip,.done-btn,.pager-prev,.pager-next{all:unset;cursor:pointer;box-sizing:border-box}.nav-course-btn.is-locked,.nav-ch.is-locked,.course-card.is-locked,.ch-row.is-locked{cursor:default}.kicker{letter-spacing:.14em;color:var(--fg2);text-transform:uppercase;font-size:12px}.dot6{border:1px solid var(--fg3);box-sizing:border-box;background:0 0;border-radius:50%;width:6px;height:6px}.dot8{border:1.5px solid var(--fg3);box-sizing:border-box;background:0 0;border-radius:50%;flex:none;width:8px;height:8px}.dot6.is-on,.dot8.is-on{background:var(--accent)}.theme-dot,.theme-btn-dot{transition:transform .55s var(--ease);background:linear-gradient(90deg,currentColor 50%,#0000 50%);border:1.5px solid;border-radius:50%;display:inline-block}:root[data-theme=dark] .theme-dot,:root[data-theme=dark] .theme-btn-dot{transform:rotate(180deg)}.theme-dot{width:14px;height:14px}.theme-btn-dot{width:12px;height:12px}.topbar{z-index:30;padding:calc(22px + var(--sat)) var(--pad-x) 22px;pointer-events:none;justify-content:space-between;align-items:center;gap:16px;display:flex;position:fixed;top:0;left:0;right:0}.crumbs{pointer-events:auto;letter-spacing:.14em;align-items:center;gap:22px;min-width:0;font-size:13px;display:flex}.crumb-part{align-items:center;gap:22px;min-width:0;display:inline-flex}.crumb{letter-spacing:.14em;color:var(--fg2);white-space:nowrap;align-items:center;gap:5px;padding:6px 0;font-size:13px;transition:color .3s;display:inline-flex}.crumb-chev{letter-spacing:0;color:var(--fg3);transition:transform .4s var(--ease);font-size:14px;line-height:1;display:none}html.is-touch .crumb-chev{display:inline-block}.crumb-sep{color:var(--fg3)}.crumb-seg{color:var(--fg2);white-space:nowrap;text-overflow:ellipsis;max-width:40vw;padding:6px 0;text-decoration:none;transition:color .3s;overflow:hidden}.crumb-seg.is-on{color:var(--fg)}.crumb-seg.is-name{color:var(--fg);letter-spacing:.06em;animation:.35s both tipIn}.topbar-right{pointer-events:auto;flex:none;align-items:center;gap:10px;display:flex}.me-pill{all:unset;cursor:pointer;box-sizing:border-box;background:var(--soft);border:1px solid var(--line);color:var(--fg2);white-space:nowrap;border-radius:999px;align-items:center;gap:8px;padding:5px 12px 5px 5px;font-size:13px;transition:color .3s,border-color .3s;display:flex}.me-pill-avatar{background:var(--fg);width:20px;height:20px;color:var(--bg);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:10px;font-weight:600;display:flex}.search-box{pointer-events:auto;align-items:center;gap:8px;display:flex}.search-input{all:unset;box-sizing:border-box;opacity:0;background:var(--soft);width:0;height:30px;color:var(--fg);transition:width .45s var(--ease), opacity .3s ease, padding .45s var(--ease), border-color .3s ease;border:1px solid #0000;border-radius:999px;padding:0;font-size:13px}.search-input::placeholder{color:var(--fg3)}.search-box.is-open .search-input{opacity:1;border-color:var(--line);width:220px;padding:0 12px}.search-btn{all:unset;cursor:pointer;box-sizing:border-box;pointer-events:auto;width:30px;height:30px;color:var(--fg2);background:var(--soft);border:1px solid var(--line);transition:color .3s, border-color .3s, transform .45s var(--ease);border-radius:50%;flex:none;justify-content:center;align-items:center;display:flex}.search-big{max-width:560px;margin-top:26px}.search-row{border-bottom:1px solid var(--line);border-radius:14px;flex-direction:column;gap:4px;margin:0 -12px;padding:16px 12px;transition:background .35s;display:flex}.search-row-title{color:var(--fg);letter-spacing:-.01em;align-self:flex-start;font-size:17px;font-weight:500;text-decoration:none}.search-row-meta{color:var(--fg2);font-size:13px}.search-row-author{color:var(--fg2);text-decoration:none}@media (hover:hover){.search-btn:hover{color:var(--fg);border-color:var(--fg3);transform:scale(1.08)}.search-row:hover{background:var(--soft)}.search-row-title:hover,.search-row-author:hover{color:var(--fg);text-underline-offset:3px;text-decoration:underline}}.lang-btn{all:unset;cursor:pointer;box-sizing:border-box;pointer-events:auto;letter-spacing:.02em;width:30px;height:30px;color:var(--fg2);background:var(--soft);border:1px solid var(--line);transition:color .35s ease, border-color .35s ease, transform .45s var(--ease);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:11px;font-weight:600;display:flex}.theme-btn{pointer-events:auto;width:30px;height:30px;color:var(--fg2);background:var(--soft);border:1px solid var(--line);transition:color .35s ease, transform .45s var(--ease), border-color .35s ease;border-radius:50%;flex:none;justify-content:center;align-items:center;display:flex}.nav-veil{z-index:28;touch-action:none;position:fixed;inset:0}.nav{left:var(--pad-x);top:calc(56px + var(--sat));width:300px;max-height:calc(100vh - 72px - var(--sat));max-height:calc(100dvh - 72px - var(--sat));overscroll-behavior:contain;-webkit-overflow-scrolling:touch;scrollbar-width:thin;z-index:29;background:var(--glass);-webkit-backdrop-filter:blur(30px)saturate(1.6);backdrop-filter:blur(30px)saturate(1.6);border:1px solid var(--line);box-shadow:var(--shadow);box-sizing:border-box;transform-origin:top;opacity:0;pointer-events:none;transition:transform .5s var(--ease-drawer), opacity .35s ease;border-top:none;border-radius:0 0 22px 22px;flex-direction:column;gap:24px;padding:16px 24px 24px;display:flex;position:fixed;overflow-y:auto;transform:translateY(-14px)scaleY(.96)}.nav.is-open{opacity:1;pointer-events:auto;transform:none}.nav-bridge{height:34px;position:absolute;top:-34px;left:-1px;right:-1px}.nav-dom{flex-direction:column;gap:6px;display:flex}.nav-dom-head{letter-spacing:.12em;color:var(--fg3);justify-content:space-between;align-items:center;margin-bottom:2px;padding:4px 0;font-size:11px;transition:color .3s;display:flex}.nav-chev{letter-spacing:0;transition:transform .4s var(--ease);font-size:11px;display:inline-block}.nav-meta-wrap{transition:grid-template-rows .45s var(--ease);display:grid}.nav-meta{min-height:0;color:var(--fg3);font-size:13px;transition:opacity .3s;overflow:hidden}.nav-rows-wrap{transition:grid-template-rows .5s var(--ease);display:grid}.nav-rows{min-height:0;transition:opacity .35s ease, transform .5s var(--ease);flex-direction:column;gap:6px;display:flex;overflow:hidden}.nav-course{flex-direction:column;display:flex}.nav-course-btn,.nav-link{color:var(--fg);transition:background .35s ease, transform .45s var(--ease), color .35s ease;border-radius:12px;justify-content:space-between;align-items:center;margin:0 -12px;padding:8px 12px;font-size:17px;font-weight:500;display:flex}.nav-links{flex-direction:column;gap:2px;display:flex}.nav-link.is-on{color:var(--accent)}.nav-lib{border-top:1px solid var(--line);flex-direction:column;gap:24px;padding-top:14px;display:flex}.nav-cat-label{letter-spacing:.12em;color:var(--fg3);padding:2px 0 6px;font-size:11px}.nav-dom-rows{flex-direction:column;gap:2px;display:flex}.nav-domain-link.is-on{color:var(--accent)}.nav-group{border-top:1px solid var(--line);flex-direction:column;gap:2px;padding-top:14px;display:flex}.nav-group-title{letter-spacing:.12em;color:var(--fg3);padding:0 0 6px;font-size:11px}.nav-domain-link{all:unset;cursor:pointer;color:var(--fg2);transition:background .3s, transform .4s var(--ease), color .3s;border-radius:10px;justify-content:space-between;align-items:center;margin:0 -10px;padding:6px 10px;font-size:14px;display:flex}.nav-domain-link span:last-child{color:var(--fg3);font-size:11px}.nav-course-btn.is-locked{opacity:.4}.nav-course-meta{color:var(--fg3);font-size:11px}.nav-course-tag{color:var(--fg3);letter-spacing:.04em;white-space:nowrap;margin-left:8px;font-size:11px;font-weight:400}.nav-ch-wrap{transition:grid-template-rows .5s var(--ease);display:grid}.nav-ch-clip{min-height:0;overflow:hidden}.nav-ch-list{border-left:1px solid var(--line);flex-direction:column;gap:2px;margin:4px 0 8px;padding-left:12px;transition:opacity .35s;display:flex}.nav-ch{color:var(--fg);transition:background .3s, transform .4s var(--ease), color .3s;border-radius:10px;grid-template-columns:22px 1fr auto;align-items:center;gap:8px;margin:0 -6px;padding:6px 10px;font-size:14px;display:grid}.nav-ch.is-current{color:var(--accent)}.nav-ch.is-locked{opacity:.4}.nav-ch-num{color:var(--fg3);font-variant-numeric:tabular-nums;font-size:11px}.nav-ch-title{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.nav-foot{color:var(--fg2);border-top:1px solid var(--line);flex-direction:column;gap:12px;padding-top:16px;font-size:13px;display:flex}.nav-theme{transition:background .35s ease, color .35s ease, transform .45s var(--ease);border-radius:12px;align-items:center;gap:10px;margin:0 -12px;padding:8px 12px;display:flex}.nav-hint{color:var(--fg3)}.review{flex-direction:column;gap:10px;display:flex}.review-result--copyrighted{color:#ff453a}.review-evidence{color:var(--fg2);margin:8px 0 0;padding-left:18px;font-size:13px;line-height:1.6}.review-manual{margin-top:8px;animation:none}.wiz-profile{border-top:1px solid var(--line);margin-top:28px;padding-top:22px}.wiz-profile .chips{flex-wrap:wrap}.wiz-profile .input{margin-top:10px}.field-hint{color:var(--fg3);margin-top:8px;font-size:12px;line-height:1.6;display:block}.wiz-verdict{color:var(--fg2);grid-column:1/-1;font-size:13px}.crumb-part{position:relative}.crumb-pop{z-index:31;opacity:0;transform-origin:0 0;pointer-events:none;transition:transform .5s var(--ease-drawer), opacity .35s ease;padding-top:10px;position:absolute;top:100%;left:-18px;transform:translateY(-10px)scaleY(.97)}.crumb-pop.is-open{opacity:1;pointer-events:auto;transform:none}.crumb-pop-card{width:300px;max-width:calc(100vw - 2 * var(--pad-x));box-sizing:border-box;max-height:calc(100vh - 120px - var(--sat));max-height:calc(100dvh - 120px - var(--sat));overscroll-behavior:contain;scrollbar-width:thin;background:var(--glass);-webkit-backdrop-filter:blur(30px)saturate(1.6);backdrop-filter:blur(30px)saturate(1.6);border:1px solid var(--line);box-shadow:var(--shadow);letter-spacing:0;white-space:normal;border-radius:18px;flex-direction:column;gap:2px;padding:14px 18px 16px;font-size:14px;display:flex;overflow-y:auto}.pop-kicker{letter-spacing:.12em;color:var(--fg3);padding:0 0 8px;font-size:11px}.pop-empty{color:var(--fg3);padding:4px 0;font-size:13px}.pop-row{color:var(--fg);transition:background .3s, transform .4s var(--ease), color .3s;border-radius:10px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;margin:0 -10px;padding:7px 10px;font-size:14px;text-decoration:none;display:grid}.pop-row--ch{grid-template-columns:22px minmax(0,1fr) auto;gap:8px}.pop-row.is-current{color:var(--accent)}.pop-row.is-locked{opacity:.4}.pop-row-title{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.pop-row-meta,.pop-ch-num{color:var(--fg3);font-variant-numeric:tabular-nums;font-size:11px}@media (hover:hover){.pop-row:not(.is-locked):hover{background:var(--soft);transform:translate(3px)}a.pop-row:hover{text-decoration:none}}.pop-head{justify-content:space-between;align-items:baseline;gap:12px;padding:0 0 8px;display:flex}.pop-head .pop-kicker{padding:0}.pop-go{color:var(--fg2);white-space:nowrap;font-size:12px;text-decoration:none;transition:color .3s}.crumb-seg-chev{letter-spacing:0;color:var(--fg3);transition:transform .4s var(--ease);margin-left:5px;font-size:14px;line-height:1;display:none}html.is-touch .crumb-seg-chev{display:inline-block}.crumb-pop--touch{left:var(--pad-x);right:var(--pad-x);top:calc(56px + var(--sat));z-index:31;letter-spacing:0;padding-top:0;font-size:14px;position:fixed}.crumb-pop--touch .crumb-pop-card{background:var(--card);-webkit-backdrop-filter:none;backdrop-filter:none;width:auto;max-width:none}html.is-touch .pop-row{padding:10px}html.is-touch .pop-go{margin:-8px 0;padding:8px 0;display:inline-block}@media (hover:hover){.pop-go:hover{color:var(--fg)}}.page{max-width:920px;padding:calc(160px + var(--sat)) var(--pad-x) 140px;animation:pageIn .7s var(--ease) backwards;margin:0 auto}.page-chapter{animation:pageIn .7s var(--ease) backwards}.greeting{color:var(--fg2);letter-spacing:.02em;min-height:1.4em;font-size:15px}.h1{letter-spacing:-.03em;text-wrap:balance;margin:14px 0 0;font-size:clamp(38px,7vw,64px);font-weight:600;line-height:1.05}.plan{box-sizing:border-box;background:var(--card);width:100%;box-shadow:var(--shadow);border:1px solid var(--line);border-radius:24px;margin-top:64px;padding:28px 32px}.plan-head{grid-template-columns:1fr auto;align-items:center;gap:24px;display:grid}.plan-text{flex-direction:column;gap:8px;display:flex}.plan-kicker-row{align-items:center;gap:14px;display:flex}.plan-edit{color:var(--accent);font-size:12px}.plan-title{letter-spacing:-.02em;font-size:26px;font-weight:600}.plan-meta{color:var(--fg2);font-size:15px}.ring{width:72px;height:72px;position:relative}.ring svg{display:block;transform:rotate(-90deg)}.ring-arc{transition:stroke-dasharray 1s var(--ease)}.ring-label{letter-spacing:-.02em;justify-content:center;align-items:center;font-size:15px;font-weight:600;display:flex;position:absolute;inset:0}.plan-list{border-top:1px solid var(--line);flex-direction:column;margin-top:22px;padding-top:18px;display:flex}.plan-item{grid-template-columns:1fr auto auto;align-items:center;gap:16px;padding:10px 0;font-size:15px;display:grid}.plan-item-btn{color:var(--fg);align-items:center;gap:12px;transition:color .3s;display:flex}.plan-item.is-done .plan-item-btn{opacity:.5;text-decoration:line-through}.plan-item-min{color:var(--fg2);font-size:13px}.plan-remove{color:var(--fg3);font-size:12px;transition:color .3s}.plan-goal{border-top:1px solid var(--line);color:var(--fg2);align-items:center;gap:18px;margin-top:18px;padding-top:18px;font-size:14px;animation:.4s both stepIn;display:flex}.chips{gap:6px;display:flex}.chip{color:var(--fg2);border:1px solid var(--line);background:0 0;border-radius:999px;padding:7px 14px;font-size:13px;transition:all .3s}.chip.is-on{background:var(--fg);color:var(--bg)}.plan-goal-hint{color:var(--fg3);margin-left:auto}.pill-primary{background:var(--fg);color:var(--bg);border-radius:999px;padding:12px 22px;font-size:14px;font-weight:500;transition:transform .3s,opacity .3s;display:inline-block}.plan-continue{margin-top:22px}.shelf{flex-direction:column;gap:56px;margin-top:112px;display:flex}.shelf-dom{scroll-margin-top:calc(148px + var(--sat));flex-direction:column;gap:20px;display:flex}.shelf-head{border-bottom:1px solid var(--line);letter-spacing:.14em;color:var(--fg2);justify-content:space-between;align-items:baseline;gap:16px;padding-bottom:12px;font-size:12px;display:flex}.shelf-name{color:var(--fg);font-weight:600}.shelf-count{color:var(--fg3);letter-spacing:.06em;white-space:nowrap}.shelf-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}.course-card{background:var(--card);border:1px solid var(--line);min-height:200px;transition:transform .5s var(--ease);border-radius:22px;flex-direction:column;justify-content:space-between;gap:28px;padding:24px;display:flex;position:relative}.course-card:after,.pager-prev:after,.pager-next:after,.new-card:after,.rank-row:after,.author-row:after,.author-card:after{content:"";border-radius:inherit;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .45s;position:absolute;inset:0}.course-card.is-locked{opacity:.45}.course-card-top{color:var(--fg2);letter-spacing:.06em;white-space:nowrap;justify-content:space-between;align-items:center;gap:12px;font-size:12px;display:flex}.course-card-top span:last-child{text-overflow:ellipsis;overflow:hidden}.course-card-title{letter-spacing:-.02em;text-wrap:balance;font-size:clamp(20px,2.4vw,24px);font-weight:600;line-height:1.2}.course-card-sub{color:var(--fg2);text-wrap:pretty;margin-top:8px;font-size:14px;line-height:1.55}.bar{background:var(--line);border-radius:2px;height:3px;overflow:hidden}.bar-fill{background:var(--accent);height:100%;transition:width 1s var(--ease)}.footnote{color:var(--fg3);text-align:center;margin-top:120px;font-size:13px}.eyebrow{color:var(--fg2);letter-spacing:.1em;font-size:14px}.eyebrow-link{color:inherit;background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;text-decoration:none;transition:background-size .25s}.eyebrow-link:hover,.eyebrow-link:focus-visible{background-size:100% 1px}.course-h1{letter-spacing:-.03em;text-wrap:balance;margin:14px 0 0;font-size:clamp(38px,7vw,64px);font-weight:600;line-height:1.05}.intro{color:var(--fg2);text-wrap:pretty;max-width:600px;margin:22px 0 0;font-size:21px;line-height:1.5}.graph-card{background:var(--card);border:1px solid var(--line);border-radius:28px;grid-template-columns:1fr 280px;align-items:center;gap:32px;margin-top:80px;padding:36px;display:grid}.graph-card svg{width:100%;height:auto;overflow:visible}.graph-side{flex-direction:column;gap:10px;min-height:120px;display:flex}.graph-label{letter-spacing:-.02em;font-size:22px;font-weight:600}.graph-desc{color:var(--fg2);text-wrap:pretty;font-size:15px;line-height:1.6}.graph-where{color:var(--fg3);margin-top:auto;font-size:12px}.graph-legend{color:var(--fg3);margin-top:4px;font-size:11px}.graph-edge{transition:all .5s}.graph-node{cursor:pointer;transition:opacity .5s}.graph-node circle{transition:all .5s var(--ease)}.graph-node text{-webkit-user-select:none;user-select:none}.graph-card--chapter{border-radius:24px;grid-template-columns:1fr 200px;gap:24px;margin-top:0;padding:28px 32px}.graph-card--chapter svg{overflow:hidden}.graph-card--chapter .graph-side{gap:8px;min-height:0}.graph-card--chapter .graph-label{letter-spacing:-.01em;font-size:17px}.graph-card--chapter .graph-desc{font-size:13px;line-height:1.55}.chapters{flex-direction:column;margin-top:80px;display:flex}.chapters-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:baseline;padding-bottom:16px;display:flex}.chapters-head .kicker{font-size:13px}.chapters-count{color:var(--fg2);font-size:13px}.ch-row{border-bottom:1px solid var(--line);transition:padding-left .4s var(--ease);grid-template-columns:56px 1fr auto;align-items:center;gap:20px;padding:26px 8px;display:grid}.ch-row.is-locked{opacity:.4}.ch-num{color:var(--fg3);font-variant-numeric:tabular-nums;font-size:15px}.ch-title{letter-spacing:-.02em;font-size:22px;font-weight:600}.ch-lead{color:var(--fg2);margin-top:4px;font-size:14px}.ch-right{color:var(--fg2);align-items:center;gap:14px;font-size:13px;display:flex}.plan-pill{border:1px solid var(--line);color:var(--fg2);cursor:pointer;background:0 0;border-radius:999px;padding:5px 12px;font-size:12px;transition:all .3s}.plan-pill.is-on{background:var(--fg);color:var(--bg)}.read-bar{top:var(--sat);background:var(--accent);z-index:60;transform-origin:0;width:100%;height:2px;transition:transform .2s linear;position:fixed;left:0;transform:scaleX(0)}.reader-head{max-width:680px;padding:calc(170px + var(--sat)) var(--pad-x) 40px;margin:0 auto}.back{color:var(--fg2);font-size:14px;transition:color .3s}.reader-eyebrow{color:var(--fg2);letter-spacing:.1em;margin-top:40px;font-size:14px}.reader-h1{letter-spacing:-.03em;text-wrap:balance;margin:12px 0 0;font-size:clamp(36px,6vw,56px);font-weight:600;line-height:1.08}.reader-lead{color:var(--fg2);text-wrap:pretty;margin:24px 0 0;font-size:21px;line-height:1.55}.reader-graph{max-width:680px;padding:0 var(--pad-x);margin:56px auto 0}.blocks{max-width:680px;padding:40px var(--pad-x) 160px;flex-direction:column;gap:88px;margin:0 auto;display:flex}.block{opacity:0;transition:opacity .9s var(--ease), transform .9s var(--ease);transform:translateY(28px)}.block.is-on{opacity:1;transform:none}.block-head{align-items:center;gap:12px;margin-bottom:22px;display:flex}.block-kind{letter-spacing:.14em;color:var(--accent);text-transform:uppercase;font-size:12px}.block-rule{background:var(--line);flex:1;height:1px}.block-num{color:var(--fg3);font-variant-numeric:tabular-nums;font-size:12px}.h2{letter-spacing:-.025em;margin:0 0 20px;font-size:34px;font-weight:600;line-height:1.15}.h2--formula{margin-bottom:16px}.h2--pitfall{margin-bottom:28px}.prose{text-wrap:pretty;margin:0;font-size:19px;line-height:1.75}.term{border-bottom:1.5px dotted var(--accent);cursor:help;transition:color .2s}.intuition{background:var(--soft);border-radius:20px;grid-template-columns:auto 1fr;align-items:start;gap:18px;margin-top:28px;padding:24px 28px;display:grid}.intuition .kicker{white-space:nowrap;padding-top:5px}.intuition-text{color:var(--fg);text-wrap:pretty;font-size:17px;line-height:1.7}.analogy{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;padding:40px 44px}.analogy-title{letter-spacing:-.02em;margin-bottom:18px;font-size:28px;font-weight:600;line-height:1.2}.analogy-text{color:var(--fg);text-wrap:pretty;margin:0;font-size:18px;line-height:1.8}.analogy-take{color:var(--fg2);margin-top:20px;font-size:15px;line-height:1.6}.formula-text{color:var(--fg2);margin:0 0 28px;font-size:17px;line-height:1.7}.lines{flex-direction:column;gap:12px;display:flex}.line{background:var(--soft);border-radius:16px;grid-template-columns:1fr auto;align-items:center;gap:20px;padding:18px 24px;display:grid}.math{font-family:var(--font-math);letter-spacing:.01em;font-size:22px}.kx .katex{font-size:1.08em}.math .kx .katex,.step-math .kx .katex{font-size:1em}.kx--display{margin:6px 0;display:block;overflow:auto hidden}.kx--display .katex-display{margin:0}.kx .katex-display>.katex{text-align:left}.line-note{color:var(--fg2);text-align:right;max-width:240px;font-size:14px}.steps{flex-direction:column;gap:14px;margin-top:36px;display:flex}.steps--example{margin-top:28px}.step{animation:stepIn .6s var(--ease) both;grid-template-columns:28px 1fr;align-items:start;gap:16px;display:grid}.step-n{background:var(--fg);width:28px;height:28px;color:var(--bg);box-sizing:border-box;border-radius:50%;justify-content:center;align-items:center;font-size:12px;font-weight:600;display:flex}.step-n--hollow{color:var(--fg);border:1.5px solid var(--fg);background:0 0}.step-text{font-size:17px;line-height:1.7}.step-math{font-family:var(--font-math);color:var(--fg);margin-top:8px;font-size:21px}.steps .pill-primary{align-self:flex-start;margin-top:6px}.pill-hollow{border:1.5px solid var(--fg);color:var(--fg);border-radius:999px;align-self:flex-start;margin-top:6px;padding:12px 22px;font-size:14px;font-weight:500;transition:all .3s}.done-text{color:var(--fg2);margin-top:6px;font-size:14px;animation:.6s both stepIn}.question{border:1px solid var(--line);background:var(--card);border-radius:20px;padding:26px 30px;font-size:18px;line-height:1.7}.hint{color:var(--fg2);margin-top:12px;padding:0 4px;font-size:14px}.answer{background:var(--soft);border-radius:16px;margin-top:10px;padding:20px 24px;font-size:16px;line-height:1.7;animation:.6s both stepIn}.answer b{font-weight:600}.pitfalls{flex-direction:column;gap:12px;display:flex}.flip{perspective:1400px;width:100%;display:block}.flip-inner{transform-style:preserve-3d;transition:transform .7s var(--ease-flip);display:grid;transform:rotateX(0)}.flip.is-on .flip-inner{transform:rotateX(180deg)}.flip-face{backface-visibility:hidden;box-sizing:border-box;border:1px solid var(--line);border-radius:20px;grid-area:1/1;grid-template-columns:1fr auto;align-items:center;gap:20px;padding:24px 28px;display:grid}.flip-front{background:var(--card);transition:visibility 0s linear .35s}.flip-back{visibility:hidden;transition:visibility 0s linear .35s}.flip.is-on .flip-front{visibility:hidden}.flip.is-on .flip-back{visibility:visible}.flip-back{background:var(--soft);transform:rotateX(180deg)}.flip-front-body{opacity:1;transition:opacity .35s ease .3s, transform .5s var(--ease) .3s;transform:none}.flip.is-on .flip-front-body{opacity:0;transition-delay:0s,0s;transform:translateY(-8px)}.flip-back-body{opacity:0;transition:opacity .4s ease 0s, transform .55s var(--ease) 0s;transform:translateY(10px)}.flip.is-on .flip-back-body{opacity:1;transition-delay:.3s,.3s;transform:none}.flip-kicker{letter-spacing:.12em;color:var(--fg3);text-transform:uppercase;font-size:12px}.flip-kicker--accent{color:var(--accent)}.flip-text{text-wrap:pretty;margin-top:8px;font-size:18px;line-height:1.6}.flip-cta{color:var(--fg3);white-space:nowrap;font-size:12px}.alt{border:1.5px dashed var(--fg3);border-radius:24px;grid-template-columns:1fr 1fr;gap:28px;padding:32px 36px;display:grid}.alt-kicker{letter-spacing:.12em;color:var(--fg2);text-transform:uppercase;font-size:12px}.alt-kicker--accent{color:var(--accent)}.alt-text{text-wrap:pretty;margin-top:10px;font-size:17px;line-height:1.7}.alt-judge{color:var(--fg2);border-top:1px solid var(--line);grid-column:1/-1;padding-top:16px;font-size:14px;line-height:1.6}.summary{background:var(--fg);color:var(--bg);border-radius:28px;padding:44px 48px}.summary-kicker{letter-spacing:.14em;opacity:.6;text-transform:uppercase;font-size:12px}.summary-list{flex-direction:column;gap:18px;margin-top:22px;display:flex}.summary-item{letter-spacing:-.01em;grid-template-columns:20px 1fr;gap:16px;font-size:19px;line-height:1.6;display:grid}.summary-n{opacity:.45;font-variant-numeric:tabular-nums}.reading-h2{letter-spacing:-.02em;margin:0 0 20px;font-size:24px;font-weight:600}.reading-list{flex-direction:column;display:flex}.reading-item{border-top:1px solid var(--line);grid-template-columns:1fr auto;gap:20px;padding:18px 0;display:grid}.reading-title{font-size:17px;font-weight:500}.reading-note{color:var(--fg2);margin-top:4px;font-size:14px;line-height:1.55}.reading-kind{color:var(--fg3);white-space:nowrap;font-size:13px}.finish{border-top:1px solid var(--line);flex-direction:column;align-items:center;gap:20px;padding-top:40px;display:flex}.finish-hint{color:var(--fg2);font-size:14px}.done-btn{color:var(--fg);border:1.5px solid var(--fg);transition:all .4s var(--ease);background:0 0;border-radius:999px;padding:16px 32px;font-size:15px;font-weight:500}.done-btn.is-on{background:var(--fg);color:var(--bg)}.pager{grid-template-columns:1fr 1fr;gap:16px;margin-top:8px;display:grid}.pager-prev,.pager-next{transition:transform .45s var(--ease);border-radius:20px;flex-direction:column;gap:6px;padding:22px 24px;display:flex;position:relative}.pager-prev{border:1px solid var(--line)}.pager-next{background:var(--fg);color:var(--bg);text-align:right;align-items:flex-end}.pager-kicker{letter-spacing:.12em;color:var(--fg3);font-size:12px}.pager-next .pager-kicker{color:inherit;opacity:.6}.pager-title{letter-spacing:-.01em;font-size:17px;font-weight:600}.hook{background:var(--soft);border-radius:24px;flex-direction:column;gap:18px;padding:32px 36px;display:flex}.hook-q{letter-spacing:-.02em;text-wrap:balance;font-size:28px;font-weight:600;line-height:1.3}.hook-why{color:var(--fg2);grid-template-columns:auto 1fr;align-items:start;gap:16px;font-size:16px;line-height:1.7;display:grid}.hook-why .kicker{white-space:nowrap;padding-top:4px}.plain{grid-template-columns:auto 1fr;align-items:start;gap:16px;margin-top:22px;padding:0 4px;display:grid}.plain .kicker{white-space:nowrap;color:var(--accent);padding-top:5px}.plain-text{text-wrap:pretty;font-size:18px;font-weight:500;line-height:1.6}.choices{flex-direction:column;gap:8px;margin-top:18px;display:flex}.choices .kicker{margin-bottom:4px}.choice{all:unset;cursor:pointer;box-sizing:border-box;border:1px solid var(--line);background:var(--card);transition:border-color .3s, background .3s, transform .4s var(--ease);border-radius:16px;grid-template-columns:28px 1fr;align-items:start;gap:14px;padding:14px 18px;font-size:16px;line-height:1.6;display:grid}.choice.is-picked{border-color:var(--fg);background:var(--soft)}.choice-n{border:1.5px solid var(--fg3);box-sizing:border-box;width:28px;height:28px;color:var(--fg2);border-radius:50%;justify-content:center;align-items:center;font-size:12px;font-weight:600;display:flex}.choice.is-picked .choice-n{background:var(--fg);color:var(--bg);border-color:var(--fg)}.reveal{animation:stepIn .5s var(--ease) both;flex-direction:column;gap:12px;margin-top:18px;display:flex}.reveal .answer{margin-top:0}.drifts{flex-direction:column;gap:10px;display:flex}.drift{border:1px solid var(--line);background:var(--card);border-radius:16px;flex-direction:column;gap:10px;padding:18px 22px;font-size:15px;line-height:1.65;display:flex}.drift-row{grid-template-columns:72px 1fr;align-items:start;gap:14px;display:grid}.drift-row .flip-kicker{padding-top:4px}.recall{border-top:1px solid #ffffff2e;margin-top:26px;padding-top:22px}:root[data-theme=dark] .recall{border-top-color:#0000002e}.recall-list{flex-direction:column;gap:12px;margin-top:16px;display:flex}.recall-item{grid-template-columns:20px 1fr;gap:16px;font-size:18px;line-height:1.6;display:grid}.transfer{border:1.5px dashed var(--fg3);border-radius:28px;flex-direction:column;gap:18px;padding:36px 40px;display:flex}.transfer-title{letter-spacing:-.02em;font-size:26px;font-weight:600;line-height:1.2}.transfer-scene{grid-template-columns:auto 1fr;align-items:start;gap:16px;font-size:17px;line-height:1.7;display:grid}.transfer-scene .kicker{white-space:nowrap;padding-top:5px}.transfer-ask{text-wrap:pretty;font-size:19px;font-weight:500;line-height:1.6}.transfer .pill-primary{align-self:flex-start}.transfer .answer{animation:stepIn .5s var(--ease) both;margin-top:0}.transfer-check{border-top:1px solid var(--line);color:var(--fg2);grid-template-columns:auto 1fr;align-items:start;gap:16px;padding-top:16px;font-size:14px;line-height:1.6;display:grid}.transfer-check .kicker{white-space:nowrap;padding-top:3px}.primer{background:var(--fg);color:var(--bg);border-radius:28px;flex-direction:column;gap:26px;margin-top:56px;padding:36px 40px;display:flex}.primer .kicker{color:inherit;opacity:.6}.primer-metaphor{letter-spacing:-.02em;text-wrap:balance;margin-top:-10px;font-size:clamp(24px,3vw,32px);font-weight:600;line-height:1.25}.primer-why{opacity:.75;text-wrap:pretty;max-width:640px;margin-top:-14px;font-size:16px;line-height:1.6}.primer-sub{letter-spacing:.14em;text-transform:uppercase;opacity:.6;margin-bottom:12px;font-size:12px}.primer-laws{flex-direction:column;display:flex}.primer-law{grid-template-columns:28px 1fr;gap:14px;padding:8px 0;font-size:17px;line-height:1.6;display:grid}.primer-law-n{opacity:.45;font-variant-numeric:tabular-nums}.primer-law b{margin-right:6px;font-weight:600}.primer-levels{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;display:grid}.primer-level{background:#ffffff14;border-radius:18px;flex-direction:column;gap:12px;padding:18px 20px;display:flex}:root[data-theme=dark] .primer-level{background:#00000029}.primer-level-head{align-items:center;gap:10px;display:flex}.primer-level .tag{color:inherit;opacity:.8;border-color:#ffffff4d}:root[data-theme=dark] .primer-level .tag{border-color:#0000004d}.primer-level-title{font-size:16px;font-weight:600}.primer-level-can ul{opacity:.85;margin:6px 0 0;padding-left:18px;font-size:14px;line-height:1.6}.primer-level-ch{flex-wrap:wrap;gap:6px;display:flex}.primer-chip{all:unset;cursor:pointer;box-sizing:border-box;border:1px solid #ffffff59;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;font-size:12px;font-weight:600;transition:background .3s,color .3s;display:flex}:root[data-theme=dark] .primer-chip{border-color:#00000059}.primer-chip.is-locked{opacity:.4;cursor:default}.wiz-primer{background:var(--soft);border-radius:18px;flex-direction:column;gap:10px;margin-top:16px;padding:18px 22px;display:flex}.wiz-primer-metaphor{font-size:18px;font-weight:600;line-height:1.4}.wiz-primer-laws{color:var(--fg2);flex-direction:column;gap:4px;font-size:14px;line-height:1.55;display:flex}.wiz-primer-laws b{color:var(--fg);margin-right:6px}.wiz-primer-road{flex-wrap:wrap;gap:8px;margin-top:4px;display:flex}@media (hover:hover){.choice:hover{border-color:var(--fg3);transform:translate(3px)}.primer-chip:hover{background:var(--bg);color:var(--fg)}}a.primer-chip:hover{text-decoration:none}@media (max-width:760px){.hook{padding:24px 22px}.hook-q{font-size:22px}.transfer,.primer{padding:26px 22px}.drift-row{grid-template-columns:1fr;gap:4px}}.reader-coach{margin-top:32px}.coach{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:24px 28px}.coach--invite{background:var(--soft);border-color:#0000}.coach-invite-title{letter-spacing:-.02em;text-wrap:balance;margin-top:10px;font-size:22px;font-weight:600}.coach-invite-text{color:var(--fg2);text-wrap:pretty;margin-top:8px;font-size:14px;line-height:1.65}.coach-head{all:unset;cursor:pointer;box-sizing:border-box;justify-content:space-between;align-items:center;gap:12px;width:100%;display:flex}.coach-stages{letter-spacing:.1em;color:var(--fg3);flex-wrap:wrap;gap:6px 18px;margin-top:18px;font-size:12px;display:flex}.coach-log{overscroll-behavior:contain;scrollbar-width:thin;flex-direction:column;gap:18px;max-height:60dvh;margin-top:20px;padding-right:4px;display:flex;overflow-y:auto}.coach-turn{animation:stepIn .5s var(--ease) both;flex-direction:column;gap:12px;display:flex}.coach-say{font-size:16px;line-height:1.75}.coach-say p{margin:0 0 10px}.coach-say ul{margin:0 0 10px;padding-left:20px}.coach-say blockquote{border-left:2px solid var(--accent);background:var(--soft);border-radius:0 12px 12px 0;margin:0 0 10px;padding:10px 16px}.coach-ask{letter-spacing:-.01em;background:var(--fg);color:var(--bg);text-wrap:pretty;border-radius:16px;padding:14px 18px;font-size:17px;font-weight:600;line-height:1.5}.coach-options{flex-direction:column;gap:8px;display:flex}.coach-me{background:var(--soft);white-space:pre-wrap;border-radius:18px 18px 4px;align-self:flex-end;max-width:80%;padding:12px 16px;font-size:15px;line-height:1.6}.coach-verdict{border:1px solid var(--line);border-radius:14px;flex-direction:column;gap:4px;padding:12px 16px;font-size:14px;line-height:1.55;display:flex}.coach-verdict-level{letter-spacing:.12em;text-transform:uppercase;color:var(--fg3);font-size:11px}.coach-verdict--pass .coach-verdict-level{color:var(--accent)}.coach-verdict-kept{color:var(--fg)}.coach-verdict-fixed{color:var(--fg2)}.coach-thinking{background:var(--soft);color:var(--fg2);border-radius:14px;flex-wrap:wrap;align-items:center;gap:6px 10px;padding:12px 16px;font-size:14px;display:flex}.coach-thinking-meta{color:var(--fg3);font-variant-numeric:tabular-nums;font-size:12px}.coach-dots{align-items:center;gap:4px;display:inline-flex}.coach-dots i{background:var(--fg2);border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite dotWave}.coach-dots i:nth-child(2){animation-delay:.15s}.coach-dots i:nth-child(3){animation-delay:.3s}@keyframes dotWave{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}.dd-opt.is-disabled{opacity:.45;cursor:not-allowed}.coach-input{margin-top:18px}.coach-end{flex-direction:column;gap:6px;margin-top:18px;display:flex}@media (max-width:760px){.coach{padding:20px 18px}.coach-me{max-width:100%}}.tip{z-index:80;background:var(--glass);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border:1px solid var(--line);max-width:300px;box-shadow:var(--shadow);pointer-events:none;border-radius:14px;padding:14px 18px;animation:.25s both tipIn;position:fixed}.tip--touch{left:var(--pad-x);right:var(--pad-x);pointer-events:auto;max-width:none}.tip-term{letter-spacing:.1em;color:var(--accent);font-size:12px}.tip-def{color:var(--fg);margin-top:4px;font-size:14px;line-height:1.6}@media (hover:hover){.nav-dom-head:hover{color:var(--fg)}.nav-course-btn:not(.is-locked):hover,.nav-link:hover{background:var(--soft);transform:translate(4px)}.nav-domain-link:hover{background:var(--soft);color:var(--fg);transform:translate(3px)}.crumb-seg:not(.is-name):hover{color:var(--fg);text-decoration:none}.me-pill:hover{color:var(--fg);border-color:var(--fg3)}.lang-btn:hover{color:var(--fg);border-color:var(--fg3);transform:scale(1.08)}.nav-ch:not(.is-locked):hover{background:var(--soft);transform:translate(3px)}.nav-theme:hover{color:var(--fg);background:var(--soft);transform:translate(4px)}.crumb:hover{color:var(--fg);text-decoration:none}.theme-btn:hover{color:var(--fg);border-color:var(--fg3);transform:scale(1.08)}.plan-item-btn:hover{color:var(--accent)}.plan-remove:hover{color:var(--fg)}.pill-primary:hover{transform:scale(1.03)}.pill-hollow:hover{background:var(--fg);color:var(--bg)}.course-card:not(.is-locked):hover{transform:translateY(-4px)}.course-card:not(.is-locked):hover:after{opacity:1}.ch-row:not(.is-locked):hover{padding-left:16px}.plan-pill:hover{border-color:var(--fg)}.back:hover,.term:hover{color:var(--accent)}.done-btn:hover{transform:scale(1.03)}.pager-prev:hover,.pager-next:hover{transform:translateY(-3px)}.pager-prev:hover:after,.pager-next:hover:after{opacity:1}}a.crumb:hover,a.course-card:hover,a.ch-row:hover,a.nav-course-btn:hover,a.nav-ch:hover,a.nav-theme:hover,a.pill-hollow:hover,a.plan-item-btn:hover,a.pill-primary:hover,a.back:hover,a.pager-prev:hover,a.pager-next:hover,a.nav-link:hover,a.nav-domain-link:hover,a.me-pill:hover,a.crumb-seg:hover{text-decoration:none}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}@media (max-width:760px){.topbar{padding-top:calc(18px + var(--sat));gap:12px;padding-bottom:18px}.crumbs,.crumb-part{gap:12px}.me-pill-text{display:none}.me-pill{padding:4px}.topbar-right,.search-box{position:static}.search-input{top:calc(33px + var(--sat));right:calc(var(--pad-x) + 118px);height:34px;font-size:16px;position:absolute;transform:translateY(-50%)}.search-box.is-open .search-input{width:calc(100vw - var(--pad-x) * 2 - 118px)}.crumbs,.me-pill{transition:opacity .3s}:is(.topbar:has(.search-box.is-open) .crumbs,.topbar:has(.search-box.is-open) .me-pill){opacity:0;pointer-events:none}.nav{right:var(--pad-x);width:auto;top:calc(52px + var(--sat));max-height:calc(100dvh - 64px - var(--sat));background:var(--glass-nav)}.page{padding-top:calc(130px + var(--sat));padding-bottom:100px}.reader-head{padding-top:calc(140px + var(--sat));padding-bottom:32px}.plan{padding:24px 22px}.plan-goal{flex-wrap:wrap}.plan-goal-hint{margin-left:0}.graph-card,.graph-card--chapter{grid-template-columns:1fr;padding:24px}.ch-row{grid-template-columns:40px 1fr}.ch-right{grid-column:2}.alt{grid-template-columns:1fr}.summary{padding:32px 28px}.analogy{padding:28px 26px}.pager{grid-template-columns:1fr}}.page--narrow{max-width:680px}.h1--sm{font-size:clamp(30px,5vw,48px)}.text-link{all:unset;cursor:pointer;color:var(--fg2);font-size:14px;transition:color .3s}.text-link.is-danger{color:#ff453a}.shelf-actions{align-items:center;gap:16px;margin-top:56px;display:flex}.course-actions{flex-wrap:wrap;align-items:center;gap:20px;margin-top:28px;display:flex}.enter{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;margin-top:48px;padding:28px 32px}.enter-tabs{gap:6px;margin-bottom:24px;display:flex}.enter-tab{all:unset;cursor:pointer;color:var(--fg2);border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13px;transition:all .3s}.enter-tab.is-on{background:var(--fg);color:var(--bg)}.enter-form{flex-direction:column;gap:18px;display:flex}.enter-hint{color:var(--fg3);font-size:13px}.field{flex-direction:column;gap:8px;display:flex}.field-label{letter-spacing:.1em;color:var(--fg2);font-size:12px}.au-at{color:var(--fg3);letter-spacing:.01em;white-space:nowrap;margin-left:6px;font-size:.85em;font-weight:400}.pw-wrap{display:block;position:relative}.pw-input{padding-right:46px}.pw-eye{all:unset;cursor:pointer;width:32px;height:32px;color:var(--fg3);border-radius:50%;justify-content:center;align-items:center;transition:color .3s,background .3s;display:flex;position:absolute;top:50%;right:8px;transform:translateY(-50%)}@media (hover:hover){.pw-eye:hover{color:var(--fg);background:var(--line)}}.pw-eye:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.input{box-sizing:border-box;width:100%;font:inherit;color:var(--fg);background:var(--soft);border:1px solid var(--line);border-radius:12px;outline:none;padding:12px 14px;font-size:16px;transition:border-color .3s,background .3s}.input:focus{border-color:var(--fg3);background:var(--card)}.input--area{resize:vertical;line-height:1.6}.input--bare{background:0 0;border-color:#0000;margin:0 -8px;padding:6px 8px;font-size:18px;font-weight:600}.input--bare:hover,.input--bare:focus{background:var(--soft);border-color:#0000}.input--sm{color:var(--fg2);font-size:14px;font-weight:400}.input--min{text-align:right;font-variant-numeric:tabular-nums;width:72px;font-size:14px;font-weight:400}select.input{appearance:none}.form-error{color:#ff453a;background:#ff453a14;border-radius:12px;margin-top:16px;padding:12px 16px;font-size:14px;line-height:1.5}.nav-plus{text-align:center;width:14px;font-weight:600;display:inline-block}.nav-account{justify-content:space-between;align-items:center;gap:12px;font-size:13px;display:flex}.nav-account-mail{text-overflow:ellipsis;white-space:nowrap;color:var(--fg2);overflow:hidden}.nav-logout{all:unset;cursor:pointer;color:var(--fg3);white-space:nowrap;font-size:12px;transition:color .3s}.wiz-card{background:var(--card);border:1px solid var(--line);border-radius:24px;margin-top:32px;padding:24px 28px}.wiz-card-head{all:unset;cursor:pointer;box-sizing:border-box;justify-content:space-between;align-items:center;width:100%;display:flex}.wiz-card-meta{color:var(--fg2);align-items:center;font-size:13px;display:inline-flex}.wiz-grid{flex-direction:column;gap:16px;margin-top:18px;display:flex}.wiz-note{color:var(--fg3);font-size:13px;line-height:1.6}.wiz-intro{color:var(--fg2);margin:12px 0 0;font-size:17px;line-height:1.7}.wiz-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:24px;display:flex}.wiz-actions .pill-hollow{margin-top:0}.wiz-busy{color:var(--fg2);margin-top:14px;font-size:14px;animation:1.6s ease-in-out infinite pulse}.wiz-chapters{flex-direction:column;margin-top:12px;display:flex}.wiz-ch{border-top:1px solid var(--line);grid-template-columns:40px 1fr auto;align-items:center;gap:14px;padding:14px 0;display:grid}.wiz-ch-fields{flex-direction:column;gap:2px;min-width:0;display:flex}.wiz-ch-title{font-size:17px;font-weight:600}.wiz-ch-title a{color:inherit}.wiz-ch-err{color:var(--fg2);margin-top:4px;font-size:13px;line-height:1.5}.wiz-ch--error .wiz-ch-err{color:#ff453a}.wiz-ch-status{color:var(--fg3);white-space:nowrap;font-size:12px}.wiz-ch--ready .wiz-ch-status{color:var(--accent)}.wiz-ch--busy .wiz-ch-status{color:var(--fg);animation:1.6s ease-in-out infinite pulse}.wiz-nodes{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.wiz-node{border:1px solid var(--accent);border-radius:999px;padding:6px 12px;font-size:13px}.wiz-node small{color:var(--fg3);margin-left:4px}.wiz-gloss{color:var(--fg2);flex-direction:column;gap:6px;margin-top:16px;font-size:14px;line-height:1.5;display:flex}.wiz-gloss b{color:var(--fg);margin-right:6px;font-weight:600}@media (hover:hover){.text-link:hover,.nav-logout:hover{color:var(--fg)}}@media (max-width:760px){.wiz-ch{grid-template-columns:32px 1fr}.wiz-ch-status,.input--min{grid-column:2;justify-self:start}}.fold{transition:grid-template-rows .5s var(--ease);grid-template-rows:0fr;display:grid}.fold.is-open{grid-template-rows:1fr}.fold-inner{opacity:0;min-height:0;transition:opacity .35s ease, transform .5s var(--ease);overflow:hidden;transform:translateY(-8px)}.fold.is-open .fold-inner{opacity:1;transform:none}.ref-row{align-items:stretch;gap:8px;display:flex}.ref-row .input{flex:1}.ref-btn{all:unset;cursor:pointer;box-sizing:border-box;border:1px solid var(--line);color:var(--fg2);white-space:nowrap;border-radius:12px;align-items:center;padding:0 16px;font-size:14px;transition:border-color .3s,color .3s;display:flex}.ref-btn:disabled{opacity:.4;cursor:default}.ref-file{border:1.5px dashed var(--fg3);color:var(--fg2);cursor:pointer;border-radius:12px;align-items:center;gap:10px;padding:12px 16px;font-size:14px;transition:border-color .3s,color .3s;display:inline-flex;position:relative}.ref-file input{opacity:0;cursor:pointer;position:absolute;inset:0}.ref-list{flex-direction:column;margin-top:4px;display:flex}.ref-item{border-top:1px solid var(--line);grid-template-columns:56px 1fr auto auto;align-items:center;gap:14px;padding:10px 0;font-size:14px;display:grid}.ref-kind{letter-spacing:.1em;color:var(--fg3);text-transform:uppercase;font-size:11px}.ref-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.ref-meta{color:var(--fg3);white-space:nowrap;font-size:12px}.ref-thumb{object-fit:cover;border:1px solid var(--line);border-radius:8px;width:40px;height:40px}.ref-hint{color:var(--fg3);font-size:13px;line-height:1.6}.wiz-ch-source{color:var(--fg3);margin-top:2px;font-size:12px}@media (hover:hover){.ref-btn:hover:not(:disabled),.ref-file:hover{border-color:var(--fg);color:var(--fg)}}.dd{position:relative}.dd-btn{all:unset;cursor:pointer;box-sizing:border-box;width:100%;color:var(--fg);background:var(--soft);border:1px solid var(--line);border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;font-size:16px;transition:border-color .3s,background .3s;display:flex}.dd.is-open .dd-btn{border-color:var(--fg3);background:var(--card);border-bottom-right-radius:0;border-bottom-left-radius:0}.dd-value{flex-wrap:nowrap;align-items:baseline;gap:10px;min-width:0;display:flex}.dd-label{white-space:nowrap;text-overflow:ellipsis;flex:none;min-width:0;max-width:100%;overflow:hidden}.dd-hint{color:var(--fg3);white-space:nowrap;text-overflow:ellipsis;flex:auto;min-width:0;font-size:12px;overflow:hidden}.dd-list{background:var(--card);border:1px solid var(--fg3);border-top:none;border-radius:0 0 12px 12px;flex-direction:column;gap:2px;padding:6px;display:flex}.dd-opt{all:unset;cursor:pointer;color:var(--fg);transition:background .3s, transform .4s var(--ease);border-radius:10px;grid-template-columns:6px minmax(0,1fr) minmax(0,52%);align-items:center;gap:12px;padding:10px 12px;font-size:15px;display:grid}.dd-opt .dd-hint{text-align:right}@media (max-width:760px){.dd-opt{grid-template-columns:6px 1fr;row-gap:2px}.dd-opt .dd-hint{text-align:left;white-space:normal;grid-column:2;line-height:1.45}}.dd-opt.is-on{color:var(--fg)}.manual{background:var(--card);border:1.5px dashed var(--fg3);border-radius:24px;margin-top:32px;padding:24px 28px}.manual-prompt{color:var(--fg2);max-height:180px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;line-height:1.5}.manual-reply{min-height:140px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}.code{background:var(--soft);color:var(--fg);white-space:pre;border-radius:14px;margin:16px 0 0;padding:16px 18px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.7;overflow-x:auto}.token-fresh{background:var(--soft);border-radius:14px;flex-direction:column;gap:10px;padding:14px 16px;display:flex}.token-value{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}a.nav-account-mail:hover{text-decoration:none}@media (hover:hover){.dd-opt:hover{background:var(--soft);transform:translate(3px)}.dd-btn:hover{border-color:var(--fg3)}a.nav-account-mail:hover{color:var(--fg)}}.wiz-progress{background:var(--soft);animation:stepIn .4s var(--ease) both;border-radius:20px;flex-direction:column;gap:14px;margin-top:24px;padding:22px 26px;display:flex}.wp-steps{letter-spacing:.1em;color:var(--fg3);flex-wrap:wrap;gap:6px 18px;font-size:12px;display:flex}.wp-step{align-items:center;gap:8px;transition:color .3s;display:flex}.wp-step.is-done{color:var(--fg2)}.wp-step.is-active{color:var(--fg)}.wp-step .dot6.is-active{background:var(--accent);border-color:var(--accent);animation:1.4s ease-in-out infinite pulse}.wp-stages{color:var(--fg3);font-variant-numeric:tabular-nums;flex-wrap:wrap;gap:6px 14px;margin-top:10px;font-size:12px;display:flex}.wp-stage{align-items:center;gap:6px;transition:color .3s;display:flex}.wp-stage.is-done{color:var(--fg2)}.wp-stage.is-active{color:var(--fg)}.wp-stage .dot6.is-active{background:var(--accent);border-color:var(--accent);animation:1.4s ease-in-out infinite pulse}.wp-track{background:var(--line);border-radius:2px;height:3px;position:relative;overflow:hidden}.wp-fill{background:var(--accent);opacity:.55;width:0;transition:width .6s var(--ease);position:absolute;top:0;bottom:0;left:0}.wp-sweep{background:linear-gradient(90deg, transparent, var(--accent), transparent);width:28%;animation:sweep 1.5s var(--ease) infinite;position:absolute;top:0;bottom:0;left:0}@keyframes sweep{0%{transform:translate(-100%)}to{transform:translate(357%)}}.wp-line{color:var(--fg2);font-variant-numeric:tabular-nums;justify-content:space-between;align-items:baseline;gap:16px;font-size:14px;display:flex}.wp-title{color:var(--fg);text-overflow:ellipsis;white-space:nowrap;font-weight:500;overflow:hidden}.wp-meta{white-space:nowrap}.wp-hint{color:var(--fg3);font-size:12px;line-height:1.6}.manual{animation:manualIn 1.8s var(--ease) both;scroll-margin-top:96px;position:relative}.manual:after{content:"";border-radius:inherit;opacity:0;pointer-events:none;animation:manualRing 1.8s var(--ease) both;position:absolute;inset:0;box-shadow:0 0 0 4px #0a84ff59}@keyframes manualIn{0%{opacity:0;transform:translateY(14px)}18%,to{opacity:1;transform:none}}@keyframes manualRing{0%{opacity:0}18%{opacity:1}to{opacity:0}}.manual-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.manual-badge{background:var(--accent);color:#fff;white-space:nowrap;border-radius:999px;padding:4px 10px;font-size:12px;animation:1.6s ease-in-out 3 pulse}.ch-rewrite{color:var(--fg3);cursor:pointer;font-size:12px;transition:color .3s}.wiz-ch-rewrite{all:unset;cursor:pointer;color:var(--fg3);margin-left:10px;font-size:12px;transition:color .3s}.rewrite{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);animation:stepIn .4s var(--ease) both;border-radius:24px;margin-top:32px;padding:24px 28px;scroll-margin-top:96px}.rewrite-json{min-height:260px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.5}@media (hover:hover){.ch-rewrite:hover,.wiz-ch-rewrite:hover{color:var(--fg)}}.attribution{color:var(--fg2);margin-top:18px;font-size:13px;line-height:1.7}.attribution a{color:var(--fg2);text-underline-offset:3px;text-decoration:underline}.publish{margin-top:28px}.publish-note{color:var(--fg3);margin-top:28px;font-size:14px}.declare{color:var(--fg);cursor:pointer;align-items:flex-start;gap:12px;font-size:14px;line-height:1.6;display:flex}.declare input{accent-color:var(--accent);margin-top:4px}.legal p{color:var(--fg);margin:12px 0 0;font-size:16px;line-height:1.8}.legal-h2{margin:64px 0 6px;scroll-margin-top:150px;font-size:22px}@media (hover:hover){.attribution a:hover{color:var(--fg)}}.me-banner{background:var(--soft);color:var(--fg);border-radius:12px;margin-top:24px;padding:12px 16px}.me-row{flex-wrap:wrap;align-items:center;gap:14px;margin-top:14px;display:flex}.me-email{color:var(--fg);font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font-size:15px;font-weight:500}.me-status{border:1px solid var(--line);color:var(--fg2);border-radius:999px;padding:4px 10px;font-size:13px}.me-status.is-ok{background:var(--soft);color:var(--fg);border-color:#0000}.me-row-note{color:var(--fg3);flex:1;min-width:200px;font-size:13px}.me-pill{margin-top:0}.me-form{gap:14px;margin-top:16px}.me-danger{border-top:1px solid var(--line);margin-top:20px;padding-top:20px}.pill-danger{color:#ff453a;border-color:#ff453a59}.pill-danger-solid{background:#ff453a;border-color:#ff453a}@media (hover:hover){.pill-danger:hover{border-color:#ff453a}}.page--wide{max-width:1000px;padding-top:calc(150px + var(--sat))}.disc-h1{letter-spacing:-.03em;text-wrap:balance;margin:14px 0 0;font-size:clamp(36px,6vw,56px);font-weight:600;line-height:1.08}.disc-lead{color:var(--fg2);text-wrap:pretty;max-width:520px;margin:16px 0 0;font-size:17px;line-height:1.6}.disc-h2{letter-spacing:-.02em;font-size:22px;font-weight:600}.disc-meta{color:var(--fg3);font-size:13px}.disc-section{margin-top:40px}.disc-section-head{justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:22px;display:flex}.disc-section-head--tight{min-height:32px;margin-bottom:8px}.disc-empty{border:1.5px dashed var(--fg3);color:var(--fg2);text-wrap:pretty;border-radius:28px;margin-top:56px;padding:32px 36px;font-size:15px;line-height:1.7}.daily{all:unset;cursor:pointer;box-sizing:border-box;background:var(--fg);width:100%;color:var(--bg);transition:transform .5s var(--ease);border-radius:28px;flex-wrap:wrap;align-items:flex-end;gap:24px 32px;margin-top:56px;padding:36px 40px;display:flex}.daily-main{flex-direction:column;flex:380px;gap:10px;min-width:0;display:flex}.daily-kicker{letter-spacing:.14em;opacity:.6;text-transform:uppercase;font-size:12px}.daily-course{opacity:.7;margin-top:8px;font-size:14px}.daily-title{letter-spacing:-.02em;text-wrap:balance;font-size:clamp(24px,3.2vw,32px);font-weight:600;line-height:1.2}.daily-lead{opacity:.75;text-wrap:pretty;max-width:560px;margin-top:4px;font-size:16px;line-height:1.6}.daily-side{white-space:nowrap;flex-direction:column;align-items:flex-end;gap:14px;margin-left:auto;font-size:13px;display:flex}.daily-by{opacity:.7}.daily-cta{background:var(--bg);color:var(--fg);border-radius:999px;padding:11px 20px;font-size:14px;font-weight:500}.chips--domains{flex-wrap:wrap;gap:8px;margin-top:72px}.chips--sub{flex-wrap:wrap;gap:6px;margin-top:12px}.nav-cat{flex-direction:column;gap:10px;display:flex}.nav-cat-head{all:unset;cursor:pointer;letter-spacing:.12em;color:var(--fg3);align-items:center;gap:10px;padding:2px 0;font-size:11px;transition:color .3s;display:flex}.nav-cat-head.is-on{color:var(--fg)}.nav-cat-meta{letter-spacing:.04em;color:var(--fg3);margin-left:auto}.nav-cat-wrap{transition:grid-template-rows .5s var(--ease);display:grid}.nav-cat-rows{flex-direction:column;gap:24px;min-height:0;transition:opacity .35s;display:flex;overflow:hidden}.chips--wrap{flex-wrap:wrap}.chip--lg{padding:8px 16px;font-size:14px}.new-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;display:grid}.new-card{cursor:pointer;box-sizing:border-box;background:var(--card);border:1px solid var(--line);min-height:236px;transition:transform .45s var(--ease);border-radius:20px;flex-direction:column;gap:12px;padding:24px;display:flex;position:relative}.new-card-top{letter-spacing:.12em;color:var(--fg3);white-space:nowrap;justify-content:space-between;gap:12px;font-size:11px;display:flex}.new-card-top span:first-child{text-overflow:ellipsis;overflow:hidden}.new-card-title{letter-spacing:-.02em;color:var(--fg);text-wrap:balance;font-size:20px;font-weight:600;line-height:1.25}.new-card-sub{color:var(--fg2);text-wrap:pretty;flex:1;font-size:14px;line-height:1.55}.new-card-foot{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding-top:12px;display:flex}.author-chip{all:unset;cursor:pointer;color:var(--fg2);align-items:center;gap:8px;min-width:0;font-size:13px;transition:color .3s;display:flex}.author-chip-avatar{background:var(--soft);border:1px solid var(--line);box-sizing:border-box;border-radius:50%;flex:none;justify-content:center;align-items:center;width:18px;height:18px;font-size:9px;display:flex}.collect-text{all:unset;cursor:pointer;color:var(--fg);white-space:nowrap;font-size:13px;font-weight:500;transition:color .3s}.collect-text.is-done{color:var(--fg3)}.disc-two{flex-wrap:wrap;align-items:start;gap:40px 48px;margin-top:88px;display:flex}.disc-two .disc-h2{font-size:28px;font-weight:700}.disc-two .disc-section-head--tight{margin-bottom:16px}.disc-main{flex:460px;min-width:0}.disc-side{flex:0 340px;min-width:260px}.rank-list,.author-list,.au-list{flex-direction:column;display:flex}.rank-list{gap:16px}.rank-row{cursor:pointer;box-sizing:border-box;background:var(--card);border:1px solid var(--line);animation:stepIn .6s var(--ease) both;transition:transform .45s var(--ease);border-radius:16px;grid-template-columns:56px minmax(0,1fr) auto;align-items:center;gap:20px;padding:22px 26px 22px 22px;display:grid;position:relative}.rank-n{background:var(--fg);width:56px;height:56px;color:var(--bg);letter-spacing:-.02em;font-variant-numeric:tabular-nums;border-radius:14px;justify-content:center;align-items:center;font-size:20px;font-weight:700;display:flex}.rank-body{flex-direction:column;gap:6px;min-width:0;display:flex}.rank-title{letter-spacing:-.02em;flex-wrap:wrap;align-items:baseline;gap:4px 10px;min-width:0;font-size:20px;font-weight:700;line-height:1.2;display:flex}.rank-title a{color:var(--fg);text-wrap:balance;transition:color .3s}.rank-title small{color:var(--fg3);white-space:nowrap;font-size:13px;font-weight:400}.rank-sub{min-width:0;color:var(--fg3);align-items:center;gap:8px;font-size:13px;display:flex}.rank-sub .author-chip{flex:none}.rank-sub .au-tag-name{color:var(--fg2)}.rank-dot{color:var(--line)}.rank-src{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.rank-right{align-items:center;gap:22px;display:flex}.rank-saves{background:var(--soft);color:var(--fg);font-variant-numeric:tabular-nums;white-space:nowrap;border-radius:999px;align-items:center;gap:8px;padding:8px 14px;font-size:14px;display:flex}.rank-saves svg{display:block}.rank-saves b{font-weight:700}.rank-saves span{color:var(--fg3);font-size:13px}.stat{text-align:right}.stat-n{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:17px;font-weight:600}.stat-label{color:var(--fg3);letter-spacing:.08em;white-space:nowrap;font-size:11px}.collect-btn{all:unset;cursor:pointer;box-sizing:border-box;white-space:nowrap;background:var(--fg);color:var(--bg);border:1px solid var(--line);border-radius:999px;padding:9px 18px;font-size:14px;font-weight:500;transition:transform .3s,background .3s,color .3s}.collect-btn.is-done{color:var(--fg3);background:0 0}.collect-btn.is-mine{color:var(--fg3);cursor:default;background:0 0;padding:6px 12px;font-size:13px;font-weight:400}.author-list{gap:10px}.author-row{all:unset;cursor:pointer;box-sizing:border-box;background:var(--card);border:1px solid var(--line);transition:transform .45s var(--ease);border-radius:14px;grid-template-columns:36px 1fr;align-items:center;gap:14px;padding:12px 14px;display:grid;position:relative}.author-cards{flex-direction:column;gap:16px;display:flex}.author-card{background:var(--card);border:1px solid var(--line);animation:stepIn .6s var(--ease) both;transition:transform .45s var(--ease);border-radius:16px;flex-direction:column;gap:18px;padding:22px;display:flex;position:relative}.author-card-head{all:unset;cursor:pointer;align-items:center;gap:14px;min-width:0;display:flex}.avatar-52{background:var(--fg);width:52px;height:52px;color:var(--bg);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:20px;font-weight:600;display:flex}.author-card-id{flex-direction:column;gap:3px;min-width:0;display:flex}.author-card-name{color:var(--fg);flex-wrap:wrap;align-items:baseline;gap:8px;font-size:18px;font-weight:700;transition:color .3s;display:flex}.author-card-name .au-at{color:var(--fg3);font-size:13px;font-weight:400}.author-card-bio{color:var(--fg3);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;line-height:1.5;display:-webkit-box;overflow:hidden}.author-card-stats{grid-template-columns:1fr 1fr;gap:10px;display:grid}.author-card-stat{background:var(--soft);color:var(--fg2);border-radius:12px;flex-direction:column;gap:6px;padding:12px 14px;display:flex}.author-card-stat svg{display:block}.author-card-stat b{letter-spacing:-.02em;color:var(--fg);font-variant-numeric:tabular-nums;font-size:20px;font-weight:700;line-height:1}.author-card-stat span{color:var(--fg3);font-size:12px}.author-card-btn{box-sizing:border-box;text-align:center;border:1px solid #7f7f7f73;padding:10px;font-size:14px;font-weight:400;display:block}.author-card .follow-btn{box-sizing:border-box;text-align:center;width:100%;padding:10px;font-size:14px}.avatar-36{background:var(--fg);width:36px;height:36px;color:var(--bg);border-radius:50%;justify-content:center;align-items:center;font-size:14px;font-weight:600;display:flex}.author-row-body{flex-direction:column;gap:2px;min-width:0;display:flex}.disc-following{margin-bottom:28px}.author-row-name{color:var(--fg);font-size:15px;font-weight:500}.author-row-meta{color:var(--fg3);font-size:12px}.disc-cta{color:var(--fg2);border:1px dashed #7f7f7f80;border-radius:16px;margin-top:16px;padding:20px 22px;font-size:14px;line-height:1.7}.au-head{grid-template-columns:minmax(0,1fr) 400px;align-items:start;gap:40px 56px;display:grid}.au-lead{flex-direction:column;gap:26px;min-width:0;display:flex}.au-id{align-items:center;gap:24px;min-width:0;display:flex}.au-id-text{flex-direction:column;gap:6px;min-width:0;display:flex}.au-head .avatar-88{flex-basis:96px;width:96px;height:96px;font-size:36px}.au-head .avatar-edit{flex-basis:96px}.au-head .avatar-edit-btn{top:66px}.avatar-88{background:var(--fg);width:88px;height:88px;color:var(--bg);letter-spacing:-.02em;border-radius:50%;flex:0 0 88px;justify-content:center;align-items:center;font-size:34px;font-weight:600;display:flex}.avatar-img{object-fit:cover;border-radius:50%;width:100%;height:100%;display:block}.avatar-88,.avatar-36,.me-pill-avatar,.author-chip-avatar,.share-card-avatar{overflow:hidden}.avatar-edit{flex-direction:column;flex:0 0 88px;align-items:center;gap:10px;display:flex;position:relative}.avatar-edit.is-busy .avatar-88{opacity:.6}.avatar-edit-btn{all:unset;cursor:pointer;box-sizing:border-box;background:var(--card);width:30px;height:30px;color:var(--fg);border:1px solid var(--line);transition:transform .3s var(--ease), border-color .3s;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:60px;right:-2px;box-shadow:0 4px 14px #0000001f}.avatar-edit-btn:after{content:"";border-radius:50%;position:absolute;inset:-6px}.avatar-edit-btn:disabled{opacity:.5;cursor:default}.avatar-edit-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.avatar-remove{color:var(--fg3);font-size:12px}@media (hover:hover){.avatar-edit-btn:hover{border-color:var(--fg3);transform:scale(1.08)}}.au-name-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.au-h1{letter-spacing:-.03em;overflow-wrap:anywhere;margin:0;font-size:clamp(30px,4vw,36px);font-weight:700;line-height:1}.tag{letter-spacing:.1em;color:var(--fg2);border:1px solid var(--line);white-space:nowrap;border-radius:999px;padding:4px 10px;font-size:11px}.au-name-row .tag{letter-spacing:.04em;padding:3px 10px;font-size:12px}.au-handle{color:var(--fg3);flex-wrap:wrap;align-items:baseline;gap:10px;font-size:15px;display:flex}.au-dot{color:var(--line)}.au-people-item{white-space:nowrap;align-items:baseline;gap:10px;display:inline-flex}.au-people-btn{all:unset;cursor:pointer;color:var(--fg3);transition:color .3s}.au-people-btn.is-on{color:var(--fg)}.people-back{all:unset;cursor:pointer;color:var(--fg3);transition:color .3s}.people-h1{letter-spacing:-.02em;margin:8px 0 20px;font-size:28px;font-weight:700}.people-bar{align-items:center;gap:14px;margin-bottom:14px;display:flex}.people-search{box-sizing:border-box;border:1px solid var(--line);background:var(--card);min-width:0;color:var(--fg);font:inherit;border-radius:999px;outline:none;flex:auto;padding:10px 14px;font-size:15px;transition:border-color .3s}.people-search:focus{border-color:var(--fg3)}.people-total{color:var(--fg3);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:13px}.people-list{flex-direction:column;gap:8px;display:flex}.people-row{background:var(--card);border:1px solid var(--line);border-radius:14px;align-items:center;gap:14px;padding:10px 14px;display:flex}.people-row-main{all:unset;cursor:pointer;flex:auto;align-items:center;gap:12px;min-width:0;display:flex}.people-row-name{color:var(--fg);align-items:baseline;gap:6px;min-width:0;font-size:15px;font-weight:500;display:inline-flex}.people-row .follow-btn{padding:8px 16px;font-size:13px}.people-empty{color:var(--fg3);padding:12px 0;font-size:14px}.rank-nums{flex-direction:column;align-items:flex-end;gap:4px;display:flex}.rank-more{color:var(--fg3);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:13px}.new-card-counts{color:var(--fg3);font-variant-numeric:tabular-nums;margin-top:6px;font-size:12px}.course-card-counts{color:var(--fg3);font-variant-numeric:tabular-nums;margin-top:2px;font-size:12px}.au-tabs{border-bottom:1px solid var(--line);gap:22px;margin-top:10px;display:flex}.au-tab{all:unset;cursor:pointer;color:var(--fg3);align-items:baseline;gap:6px;padding:10px 0 12px;font-size:15px;transition:color .3s;display:inline-flex;position:relative}.au-tab:after{content:"";background:var(--fg);transform-origin:0;height:2px;transition:transform .35s var(--ease);position:absolute;bottom:-1px;left:0;right:0;transform:scaleX(0)}.au-tab.is-on{color:var(--fg);font-weight:500}.au-tab.is-on:after{transform:scaleX(1)}.au-tab-n{color:var(--fg3);font-variant-numeric:tabular-nums;font-size:12px}.copy-tag{border:1px solid var(--line);color:var(--fg2);border-radius:999px;padding:2px 10px;font-size:12px}.copy-tag--rewrite{color:var(--fg);border-color:var(--fg)}.au-row-by{color:var(--fg2);gap:6px;display:inline-flex}.au-row-from{color:var(--fg2);font-size:13px}.course-card-kind{align-items:center;gap:6px;min-width:0;display:inline-flex}.course-card-top .vis-tag{letter-spacing:0;padding:1px 7px;font-size:10px}.course-card-src{color:var(--fg3);text-overflow:ellipsis;white-space:nowrap;margin-top:4px;font-size:12px;overflow:hidden}.cm{margin-top:64px}.cm-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.cm-item{background:var(--card);border:1px solid var(--line);border-radius:14px;grid-template-columns:32px minmax(0,1fr);gap:12px;padding:14px 16px;display:grid}.avatar-32{background:var(--fg);width:32px;height:32px;color:var(--bg);border-radius:50%;justify-content:center;align-items:center;font-size:13px;font-weight:600;display:flex;overflow:hidden}.cm-avatar{all:unset;cursor:pointer;display:block}.cm-body{flex-direction:column;gap:6px;min-width:0;display:flex}.cm-head{color:var(--fg3);flex-wrap:wrap;align-items:baseline;gap:10px;font-size:13px;display:flex}.cm-who{all:unset;cursor:pointer;color:var(--fg);gap:6px;font-weight:500;display:inline-flex}.cm-del{all:unset;cursor:pointer;color:var(--fg3);margin-left:auto;font-size:12px;transition:color .3s}.cm-text{color:var(--fg);white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px;line-height:1.7}.cm-empty{color:var(--fg3);padding:8px 0 4px;font-size:14px}.cm-form{flex-direction:column;gap:10px;margin-top:18px;display:flex}.cm-input{box-sizing:border-box;resize:vertical;border:1px solid var(--line);background:var(--card);width:100%;min-height:88px;color:var(--fg);font:inherit;border-radius:14px;outline:none;padding:12px 14px;font-size:15px;line-height:1.6;transition:border-color .3s}.cm-input:focus{border-color:var(--fg3)}.cm-form-foot{justify-content:space-between;align-items:center;gap:12px;display:flex}.cm-counter{color:var(--fg3);font-variant-numeric:tabular-nums;font-size:12px}.cm-post{padding:10px 22px}.cm-hint{color:var(--fg2);margin-top:18px;font-size:14px}.au-bio{color:var(--fg2);text-wrap:pretty;max-width:520px;font-size:18px;line-height:1.6}.au-bio-link{color:var(--fg2);text-underline-offset:3px;text-decoration:underline}.au-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.au-btn.pill-primary{padding:11px 22px;font-size:15px}.au-btn.pill-outline{transition:border-color .3s, transform .45s var(--ease), box-shadow .45s ease;border:1px solid #7f7f7f73;padding:10px 20px;font-size:15px;font-weight:400}.au-actions .au-btn.pill-outline:active{box-shadow:none;transition-duration:.12s;transform:translateY(0)}.au-quiet{color:var(--fg3);padding:10px 12px;font-size:15px}.au-stats{grid-template-columns:1fr 1fr;gap:12px;display:grid}.au-stat{background:var(--card);border:1px solid var(--line);animation:stepIn .6s var(--ease) both;transition:transform .45s var(--ease);border-radius:16px;flex-direction:column;gap:14px;padding:20px 22px;display:flex;position:relative}.au-stat:after,.au-row:after{content:"";border-radius:inherit;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .45s;position:absolute;inset:0}.au-stat-icon{color:var(--fg2);display:block}.au-stat-text{flex-direction:column;gap:4px;display:flex}.au-stat-n{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:30px;font-weight:700;line-height:1}.au-stat-label{color:var(--fg3);white-space:nowrap;font-size:13px}.au-section-title{letter-spacing:-.02em;font-size:28px;font-weight:700}.au-section-hint{color:var(--fg3);font-size:14px}@media (hover:hover){.au-stat:hover{transform:translateY(-3px)}.au-stat:hover:after{opacity:1}.au-actions .au-btn.pill-outline:hover{color:var(--fg);border-color:var(--fg);background:0 0;transform:translateY(-3px);box-shadow:0 8px 20px #0000001a}.au-quiet:hover{color:var(--fg)}}.pill-outline{all:unset;cursor:pointer;box-sizing:border-box;border:1.5px solid var(--fg);color:var(--fg);white-space:nowrap;border-radius:999px;padding:10px 18px;font-size:14px;font-weight:500;transition:background .3s,color .3s}.au-section{margin-top:72px}.au-section-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:6px 16px;margin-bottom:8px;display:flex}.au-list{gap:20px;margin-top:16px}.au-row{background:var(--card);border:1px solid var(--line);animation:stepIn .6s var(--ease) both;transition:transform .45s var(--ease);border-radius:16px;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:20px 32px;padding:26px 28px;display:grid;position:relative}.au-row-main{all:unset;cursor:pointer;text-align:left;flex-direction:column;gap:10px;min-width:0;display:flex}.au-row-meta{color:var(--fg3);flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;display:flex}.vis-tag{background:var(--soft);color:var(--fg3);border-radius:999px;padding:2px 10px;font-size:12px}.vis-tag--unlisted{color:var(--fg2)}.vis-tag--public{color:var(--accent);background:#0a84ff1c;background:color-mix(in srgb, var(--accent) 11%, transparent)}.vis-tag--site{color:var(--fg2)}.au-row-title{letter-spacing:-.02em;color:var(--fg);text-wrap:balance;font-size:22px;font-weight:700;line-height:1.2;transition:color .3s}.au-row-sub{color:var(--fg2);text-wrap:pretty;font-size:15px;line-height:1.55}.au-row-src{color:var(--fg3);margin-top:6px;font-size:13px}.au-row-tools,.au-row-guest{flex-direction:column;align-items:flex-end;gap:14px;display:flex}.au-row-ownermeta{color:var(--fg3);font-size:13px}.au-row-counts{color:var(--fg3);font-variant-numeric:tabular-nums;white-space:nowrap;align-items:center;gap:16px;font-size:13px;display:flex}.au-count{align-items:center;gap:5px;display:inline-flex}.au-count svg{display:block}.like-btn.like-btn--label{width:auto;height:auto;font-size:inherit;color:inherit;border:0;border-radius:0;gap:5px}.like-btn--label svg{transition:transform .3s,fill .3s;display:block}.like-btn.like-btn--label.is-on{color:#ff3b30}.like-btn--label.is-on svg{fill:currentColor}.vswitch{background:var(--soft);border:1px solid var(--line);border-radius:999px;grid-auto-columns:1fr;grid-auto-flow:column;padding:4px;transition:opacity .3s;display:grid;position:relative}.vswitch.is-busy{opacity:.6;pointer-events:none}.vswitch-ind{background:var(--fg);width:calc(33.3333% - 2.66667px);height:calc(100% - 8px);transition:transform .45s var(--ease-drawer);border-radius:999px;position:absolute;top:4px;left:4px}.vswitch-opt{all:unset;cursor:pointer;text-align:center;color:var(--fg2);white-space:nowrap;border-radius:999px;padding:7px 16px;font-size:14px;transition:color .35s;position:relative}.vswitch-opt.is-on{color:var(--bg);font-weight:500}.like-btn{all:unset;cursor:pointer;box-sizing:border-box;border:1px solid var(--line);width:36px;height:36px;color:var(--fg3);border-radius:50%;justify-content:center;align-items:center;font-size:14px;transition:color .3s,border-color .3s,transform .3s;display:flex}.like-btn.is-on{color:#ff3b30}.rw-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.rw-card{background:var(--soft);border-radius:20px;flex-direction:column;gap:8px;padding:22px 24px;display:flex}.rw-who{color:var(--fg2);font-size:13px}.rw-who a{color:var(--fg)}.rw-note{font-size:15px;line-height:1.6}.rw-when{color:var(--fg3);font-size:12px}.sk{box-sizing:border-box;background:var(--soft);border-radius:8px;animation:1.6s ease-in-out infinite pulse;display:block}.sk-circle{border-radius:50%}.sk-stack{flex-direction:column;gap:10px;display:flex}.sk-page .au-stat,.sk-page .au-row{animation:none}.sk-page .avatar-88,.sk-page .avatar-36{background:var(--soft)}.au-in{animation:.35s backwards tipIn}.course-social{color:var(--fg2);flex-wrap:wrap;align-items:center;gap:18px;margin-top:22px;font-size:14px;display:flex}.course-author-link{color:var(--fg);font-weight:500}.course-social-meta{color:var(--fg3);font-size:13px}.translate-btn{all:unset;cursor:pointer;box-sizing:border-box;white-space:nowrap;color:var(--fg2);border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:13px;font-weight:500;transition:transform .3s,border-color .3s,color .3s}@media (hover:hover){.translate-btn:hover{color:var(--fg);border-color:var(--fg3);transform:translateY(-1px)}}.course-tr-line{color:var(--fg3);margin-top:10px;font-size:13px;line-height:1.7}.course-tr-line a{color:var(--fg2);text-underline-offset:3px;text-decoration:underline}.course-fork-line{color:var(--fg3);margin-top:14px;font-size:13px;line-height:1.7}.course-fork-line a{color:var(--fg2);text-underline-offset:3px;text-decoration:underline}@keyframes sheetIn{0%{opacity:0;transform:translateY(24px)scale(.98)}to{opacity:1;transform:none}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.sheet-backdrop{z-index:40;background:var(--veil);-webkit-backdrop-filter:blur(24px)saturate(1.6);backdrop-filter:blur(24px)saturate(1.6);scrollbar-width:thin;overscroll-behavior:contain;animation:.35s both fadeIn;position:fixed;inset:0;overflow-y:auto}.sheet-wrap{box-sizing:border-box;min-height:100%;padding:7vh var(--pad-x);justify-content:center;align-items:center;display:flex}.sheet{box-sizing:border-box;background:var(--card);width:100%;max-width:520px;box-shadow:var(--shadow);border:1px solid var(--line);animation:sheetIn .5s var(--ease) both;border-radius:28px;padding:36px 40px;position:relative}.sheet-close{all:unset;cursor:pointer;box-sizing:border-box;z-index:1;width:34px;height:34px;color:var(--fg2);background:var(--soft);border:1px solid var(--line);transition:color .3s, border-color .3s, transform .45s var(--ease);border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:18px;right:18px}.sheet-close:after{content:"";border-radius:50%;position:absolute;inset:-6px}.sheet-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.sheet>.kicker:first-child,.sheet>.sheet-title{padding-right:44px}@media (hover:hover){.sheet-close:hover{color:var(--fg);border-color:var(--fg3);transform:scale(1.08)}}.sheet-title{letter-spacing:-.02em;text-wrap:balance;margin-top:12px;font-size:28px;font-weight:600;line-height:1.2}.sheet-text{color:var(--fg2);text-wrap:pretty;margin-top:14px;font-size:15px;line-height:1.65}.sheet-field{flex-direction:column;gap:10px;margin-top:24px;font-size:14px;display:flex}.sheet-field-label{color:var(--fg2)}.sheet-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;margin-top:30px;display:flex}.sheet-cancel{all:unset;cursor:pointer;color:var(--fg2);border-radius:999px;padding:12px 20px;font-size:14px;transition:color .3s}.pill-primary:disabled{opacity:.4;cursor:default}.share-card{aspect-ratio:1.91;background:var(--fg);color:var(--bg);box-sizing:border-box;border-radius:18px;flex-direction:column;justify-content:space-between;gap:12px;margin-top:18px;padding:28px 32px;display:flex;overflow:hidden}.share-card-top{letter-spacing:.14em;opacity:.6;white-space:nowrap;justify-content:space-between;gap:12px;font-size:11px;display:flex}.share-card-title{letter-spacing:-.03em;text-wrap:balance;font-size:clamp(22px,5vw,30px);font-weight:600;line-height:1.1}.share-card-sub{opacity:.7;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:10px;font-size:14px;line-height:1.5;display:-webkit-box;overflow:hidden}.share-card-foot{opacity:.7;justify-content:space-between;align-items:center;gap:12px;font-size:12px;display:flex}.share-card-avatar{background:var(--bg);width:22px;height:22px;color:var(--fg);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:10px;font-weight:600;display:flex}.share-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 16px;margin-top:22px;display:flex}.share-link{color:var(--fg3);text-overflow:ellipsis;white-space:nowrap;flex:160px;min-width:0;font-size:13px;overflow:hidden}.share-btns{gap:8px;display:flex}.toast{bottom:calc(32px + var(--sab));z-index:50;background:var(--fg);color:var(--bg);box-shadow:var(--shadow);white-space:nowrap;text-overflow:ellipsis;box-sizing:border-box;max-width:calc(100vw - 40px);animation:riseIn .4s var(--ease) both;border-radius:999px;padding:12px 20px;font-size:14px;position:fixed;left:50%;overflow:hidden;transform:translate(-50%)}@media (hover:hover){.daily:hover,.new-card:hover{transform:translateY(-3px)}.new-card:hover:after{opacity:1}.author-chip:hover{color:var(--fg)}.collect-text:hover{color:var(--accent)}.collect-btn:hover{transform:scale(1.04)}.rank-row:hover{transform:translateY(-2px)}.rank-row:hover:after{opacity:1}.rank-row:hover .rank-title a{color:var(--accent)}.author-row:hover{transform:translate(4px)}.author-row:hover:after{opacity:1}.author-card:hover{transform:translateY(-2px)}.author-card:hover:after{opacity:1}.author-card-head:hover .author-card-name{color:var(--accent)}.author-card-btn:hover{border-color:var(--fg)}.pill-outline:hover{background:var(--fg);color:var(--bg)}.au-row-main:hover .au-row-title{color:var(--accent)}.au-row:has(.au-row-main:hover){transform:translateY(-2px)}.au-row:has(.au-row-main:hover):after{opacity:1}.au-people-btn:hover,.au-tab:hover,.cm-del:hover,.people-back:hover{color:var(--fg)}.people-row-main:hover .people-row-name,.cm-who:hover{color:var(--accent)}.like-btn:hover{border-color:var(--fg3);transform:scale(1.08)}.like-btn.like-btn--label:hover{color:var(--fg);transform:none}.like-btn--label:hover svg{transform:scale(1.15)}.sheet-cancel:hover,.au-bio-link:hover{color:var(--fg)}}a.daily:hover,a.new-card-title:hover,a.author-row:hover,a.author-chip:hover,a.au-row-main:hover,a.author-card-head:hover,a.author-card-btn:hover,a.cm-who:hover,a.cm-avatar:hover,a.au-people-btn:hover,a.people-back:hover,a.people-row-main:hover,a.au-btn:hover,.rank-title a:hover{text-decoration:none}@keyframes sheetUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:none}}@media (max-width:760px){.page--wide{padding-top:calc(130px + var(--sat))}.daily{padding:28px 24px}.chips--domains{margin-top:48px}.disc-two{margin-top:64px}.disc-side{position:static}.rank-row{border-radius:14px;grid-template-columns:44px minmax(0,1fr);gap:14px 16px;padding:18px}.rank-n{border-radius:12px;width:44px;height:44px;font-size:17px}.rank-title{font-size:18px}.rank-right{grid-column:1/-1;justify-content:space-between;gap:12px}.author-card{padding:18px}.sheet-wrap{align-items:flex-end;padding:0}.sheet{max-width:none;padding:26px 22px calc(28px + var(--sab));border-bottom:none;border-radius:26px 26px 0 0;animation-name:sheetUp}.au-head{grid-template-columns:1fr;gap:28px}.au-id{gap:16px}.au-head .avatar-88{flex-basis:80px;width:80px;height:80px;font-size:30px}.au-head .avatar-edit{flex-basis:80px}.au-head .avatar-edit-btn{top:54px}.au-stats{gap:10px}.au-stat{gap:12px;padding:16px 18px}.au-stat-n{font-size:26px}.au-section-title{font-size:24px}.au-section-hint{font-size:13px}.au-row{border-radius:14px;grid-template-columns:1fr;gap:18px;padding:20px 18px}.au-row-title{font-size:20px}.au-tabs{gap:16px}.people-bar{flex-wrap:wrap}.people-search{font-size:16px}.rank-nums{flex-flow:wrap;align-items:center;gap:6px 10px}.cm-input{font-size:16px}.cm-item{padding:12px 14px}.au-row-tools,.au-row-guest{flex-flow:wrap;justify-content:space-between;align-items:center;gap:12px 16px}.plan{margin-top:44px}.plan-title{font-size:22px}.shelf{gap:40px;margin-top:72px}.course-card{gap:22px;min-height:0;padding:22px}.footnote{margin-top:80px}.intro{margin-top:18px;font-size:18px}.graph-card,.chapters{margin-top:56px}.ch-row{gap:6px 14px;padding:22px 4px}.ch-title{font-size:19px}.ch-lead{font-size:13px}.primer{margin-top:44px}.reader-eyebrow{margin-top:28px}.reader-lead{margin-top:18px;font-size:18px}.reader-graph{margin-top:40px}.blocks{gap:64px;padding-bottom:120px}.block-head{margin-bottom:18px}.h2{margin-bottom:16px;font-size:28px}.prose{font-size:18px;line-height:1.8}.intuition,.plain,.hook-why,.transfer-scene,.transfer-check{grid-template-columns:1fr;gap:6px}.intuition .kicker,.plain .kicker,.hook-why .kicker,.transfer-scene .kicker,.transfer-check .kicker{padding-top:0}.intuition{margin-top:22px;padding:20px 22px}.intuition-text,.step-text,.formula-text{font-size:16px}.plain{margin-top:18px}.plain-text{font-size:17px}.analogy-title{margin-bottom:14px;font-size:24px}.analogy-text{font-size:17px;line-height:1.75}.line{grid-template-columns:1fr;gap:6px;padding:16px 18px}.line-note{text-align:left;max-width:none}.math{overflow-wrap:anywhere;font-size:20px}.question{padding:22px;font-size:17px}.flip-face{padding:20px}.flip-text{font-size:17px}.alt{gap:22px;padding:24px 22px}.alt-text{font-size:16px}.summary-item,.recall-item{font-size:17px}.transfer-title{font-size:22px}.transfer-ask{font-size:17px}.choice{padding:12px 14px;font-size:15px}.reading-h2{font-size:22px}.reading-item{grid-template-columns:1fr;gap:4px}.reading-kind{order:-1}.coach{padding:20px 18px}.coach-invite-title{font-size:20px}.enter{margin-top:32px;padding:24px 20px}.wiz-card{padding:20px}.manual,.rewrite{padding:20px 18px}.ref-row:has(textarea){flex-direction:column}.ref-row:has(textarea) .ref-btn{align-self:flex-end;padding:10px 16px}.ref-item{grid-template-columns:56px 1fr auto;row-gap:2px}.ref-item .ref-meta{grid-column:2/-1}input,textarea,select,.search-input,.input--sm,.input--min,.manual-prompt,.manual-reply,.rewrite-json{font-size:16px}.input--min{width:64px}}html.is-touch .theme-btn,html.is-touch .lang-btn,html.is-touch .search-btn,html.is-touch .me-pill,html.is-touch .like-btn,html.is-touch .primer-chip,html.is-touch .chip,html.is-touch .plan-pill,html.is-touch .enter-tab,html.is-touch .collect-btn,html.is-touch .translate-btn,html.is-touch .pill-outline,html.is-touch .author-chip-avatar,html.is-touch .vswitch-opt{position:relative}html.is-touch .theme-btn:after,html.is-touch .lang-btn:after,html.is-touch .search-btn:after,html.is-touch .me-pill:after,html.is-touch .like-btn:after,html.is-touch .pw-eye:after,html.is-touch .primer-chip:after,html.is-touch .chip:after,html.is-touch .plan-pill:after,html.is-touch .enter-tab:after,html.is-touch .collect-btn:after,html.is-touch .translate-btn:after,html.is-touch .pill-outline:after{content:"";border-radius:inherit;position:absolute;inset:-7px}html.is-touch .vswitch-opt{padding:9px 14px}html.is-touch .text-link,html.is-touch .back,html.is-touch .plan-edit,html.is-touch .plan-remove,html.is-touch .ch-rewrite,html.is-touch .wiz-ch-rewrite,html.is-touch .nav-logout,html.is-touch .collect-text,html.is-touch .search-row-title,html.is-touch .search-row-author,html.is-touch .au-bio-link,html.is-touch .crumb-seg,html.is-touch .attribution a,html.is-touch .course-tr-line a,html.is-touch .course-fork-line a{margin-top:-10px;margin-bottom:-10px;padding-top:10px;padding-bottom:10px;display:inline-block}html.is-touch .crumb{margin:-6px 0;padding:12px 0}html.is-touch .step-n,html.is-touch .choice-n{min-width:28px}html.is-touch .nav{-webkit-backdrop-filter:blur(14px)saturate(1.4);backdrop-filter:blur(14px)saturate(1.4);gap:20px;padding:12px 22px 22px}html.is-touch .sheet-backdrop{-webkit-backdrop-filter:blur(12px)saturate(1.4);backdrop-filter:blur(12px)saturate(1.4)}html.is-touch .nav-link,html.is-touch .nav-course-btn{padding:11px 12px}html.is-touch .nav-ch{padding:9px 10px}html.is-touch .nav-dom-head,html.is-touch .nav-cat-head{padding:8px 0}html.is-touch .nav-domain-link{padding:10px}html.is-touch .nav-theme{padding:11px 12px}html.is-touch .nav-account{padding:4px 0}html.is-touch .pill-primary,html.is-touch .pill-hollow{text-wrap:balance}html.is-touch .term{cursor:pointer}html.is-touch .block{transition-duration:.5s}html.is-touch .block:not(.is-on){transform:translateY(14px)}.prog-kicker{align-items:center;gap:14px;display:flex}.prog-h1{letter-spacing:-.03em;text-wrap:balance;margin:14px 0 0;font-size:clamp(34px,6.4vw,58px);font-weight:600;line-height:1.06}.prog-lead{color:var(--fg2);text-wrap:pretty;max-width:640px;margin:22px 0 0;font-size:17px;line-height:1.65}.prog-found{background:var(--fg);color:var(--bg);border-radius:28px;flex-direction:column;gap:24px;margin-top:56px;padding:36px 40px;display:flex}.prog-found .kicker{color:inherit;opacity:.6}.prog-found-claim{letter-spacing:-.02em;text-wrap:balance;margin-top:-10px;font-size:clamp(23px,3vw,31px);font-weight:600;line-height:1.28}.prog-found-why{opacity:.75;text-wrap:pretty;max-width:660px;margin-top:-12px;font-size:15px;line-height:1.7}.prog-tiles{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;display:grid}.prog-tile{background:#ffffff14;border-radius:18px;flex-direction:column;gap:6px;padding:18px 20px;display:flex}:root[data-theme=dark] .prog-tile{background:#00000029}.prog-tile .kicker{color:inherit;opacity:.6}.prog-tile-v{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:28px;font-weight:600}.prog-tile-v.is-warn{color:#ff9f0a}.prog-tile-u{opacity:.6;font-size:15px;font-weight:500}.prog-warn{opacity:.92;text-wrap:pretty;border:1px solid #ffffff40;border-radius:14px;padding:14px 18px;font-size:14px;line-height:1.7}:root[data-theme=dark] .prog-warn{border-color:#00000040}.prog-warn-link{color:inherit;text-underline-offset:3px;text-decoration:underline}.prog-now{background:var(--card);box-shadow:var(--shadow);border:1px solid var(--line);border-radius:28px;flex-direction:column;margin-top:40px;padding:32px 36px;display:flex}.prog-now-head{grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:24px;display:grid}.prog-now-meta{flex-direction:column;gap:8px;min-width:0;display:flex}.prog-now-kicker{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.prog-wall{color:#ff9f0a;letter-spacing:.06em}.prog-ban{color:var(--fg3);letter-spacing:.06em}.prog-now-title{letter-spacing:-.02em;text-wrap:pretty;font-size:26px;font-weight:600;line-height:1.3}.prog-now-content{color:var(--fg2);text-wrap:pretty;font-size:15px;line-height:1.65}.prog-pagers{flex:none;gap:6px;display:flex}.prog-round{all:unset;box-sizing:border-box;cursor:pointer;width:34px;height:34px;color:var(--fg2);background:var(--soft);border:1px solid var(--line);border-radius:50%;justify-content:center;align-items:center;font-size:16px;transition:color .3s,border-color .3s,opacity .3s;display:flex}.prog-round:disabled{opacity:.35;cursor:default}.prog-now-rows{border-top:1px solid var(--line);flex-direction:column;margin-top:22px;padding-top:18px;display:flex}.prog-row{grid-template-columns:88px minmax(0,1fr);gap:16px;padding:10px 0;font-size:15px;line-height:1.6;display:grid}.prog-row .kicker{padding-top:3px}.prog-now-foot{border-top:1px solid var(--line);color:var(--fg2);flex-wrap:wrap;align-items:center;gap:18px;margin-top:22px;padding-top:18px;font-size:14px;display:flex}.prog-hours{align-items:center;gap:10px;display:flex}.prog-hours input{width:78px;color:var(--fg);background:var(--soft);border:1px solid var(--line);font-variant-numeric:tabular-nums;border-radius:12px;outline:none;padding:8px 12px;font-family:inherit;font-size:16px}.prog-hours input:focus{border-color:var(--fg3)}.prog-open{color:var(--fg2);margin-left:auto;font-size:14px;transition:color .3s}.prog-open:hover{color:var(--fg);text-decoration:none}.prog-sec-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:baseline;gap:20px;padding-bottom:16px;display:flex}.prog-sec-gap{margin-top:64px}.prog-sec-note{color:var(--fg2);text-align:right;text-wrap:pretty;font-size:13px}.prog-grid-sec{margin-top:80px}.prog-grid,.prog-ruler{grid-template-columns:repeat(27,minmax(0,1fr));gap:4px;display:grid}.prog-grid{margin-top:22px}.prog-cell{all:unset;box-sizing:border-box;cursor:pointer;font-variant-numeric:tabular-nums;background:var(--soft);height:44px;color:var(--fg2);border:1px solid var(--line);border-radius:8px;justify-content:center;align-items:center;font-size:12px;font-weight:500;transition:background .3s,color .3s,border-color .3s,box-shadow .3s;display:flex}.prog-cell.is-zero{border-style:dashed}.prog-cell.is-wall{background:#ff9f0a2e;border-color:#ff9f0a99}.prog-cell.is-done{background:var(--fg);color:var(--bg);border-color:var(--fg)}.prog-cell.is-cur{border-color:var(--accent);color:var(--fg);box-shadow:0 0 0 3px #0a84ff40}.prog-cell.is-done.is-cur{color:var(--bg)}.prog-ruler{letter-spacing:.06em;color:var(--fg3);text-align:center;margin-top:6px;font-size:11px}.prog-ruler>span{border-top:1px solid var(--line);padding-top:6px}.prog-ruler-zero{grid-column:span 1}.prog-legend{color:var(--fg2);flex-wrap:wrap;gap:18px;margin-top:18px;font-size:12px;display:flex}.prog-legend span{align-items:center;gap:6px;display:flex}.prog-key{box-sizing:border-box;background:var(--soft);border:1px solid var(--line);border-radius:3px;width:10px;height:10px;display:inline-block}.prog-key.is-done{background:var(--fg);border-color:var(--fg)}.prog-key.is-cur{border-color:var(--accent)}.prog-key.is-wall{background:#ff9f0a2e;border-color:#ff9f0a99}.prog-setup{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:22px;margin-top:18px;padding-top:16px;display:flex}.prog-setup label{align-items:center;gap:10px;display:flex}.prog-setup input{color:var(--fg);background:var(--soft);border:1px solid var(--line);font-variant-numeric:tabular-nums;border-radius:10px;outline:none;padding:7px 10px;font-family:inherit;font-size:14px;transition:border-color .3s}.prog-setup input[type=number]{width:62px}.prog-setup input:focus{border-color:var(--fg3)}.prog-setup-unit{color:var(--fg2);font-size:13px}.prog-layers{flex-direction:column;margin-top:80px;display:flex}.prog-layer{border-bottom:1px solid var(--line)}.prog-layer-head{all:unset;box-sizing:border-box;cursor:pointer;grid-template-columns:56px minmax(0,1fr) auto;align-items:center;gap:20px;width:100%;padding:26px 8px;transition:padding-left .3s;display:grid}.prog-layer-id{color:var(--fg3);font-variant-numeric:tabular-nums;font-size:15px}.prog-layer-mid{flex-direction:column;gap:4px;min-width:0;display:flex}.prog-layer-name{letter-spacing:-.02em;font-size:22px;font-weight:600}.prog-layer-lead{color:var(--fg2);font-size:14px}.prog-layer-right{color:var(--fg2);align-items:center;gap:14px;font-size:13px;display:flex}.prog-dots{gap:6px;display:flex}.prog-layer-count{font-variant-numeric:tabular-nums}.prog-chev{color:var(--fg3);transition:transform .4s var(--ease);display:inline-block}.prog-chev.is-open{transform:rotate(90deg)}.prog-layer-body{animation:stepIn .4s var(--ease) both;flex-direction:column;gap:14px;padding:0 8px 28px 76px;display:flex}.prog-card{background:var(--soft);border:1px solid var(--line);border-radius:16px;flex-direction:column;gap:10px;padding:18px 22px;display:flex}.prog-card-q{text-wrap:pretty;margin:0;font-size:15px;line-height:1.7}.prog-pre{white-space:pre-line}.prog-hint{color:var(--fg2);margin:0;font-size:13px;line-height:1.6}.prog-sealed{align-items:center;gap:8px;display:flex}.prog-sealed svg{color:var(--fg3);flex:none}.prog-note{color:var(--fg2);text-wrap:pretty;font-size:14px;line-height:1.7}.prog-jump{align-self:flex-start}.prog-answered{white-space:pre-wrap;background:var(--card);border:1px solid var(--line);text-wrap:pretty;border-radius:12px;padding:14px 16px;font-size:15px;line-height:1.7}.prog-rubric-head{margin-top:4px}.prog-rubric{color:var(--fg2);flex-direction:column;gap:6px;margin:0;padding-left:20px;font-size:14px;line-height:1.75;display:flex}.prog-rubric li{text-wrap:pretty}.prog-ta{box-sizing:border-box;width:100%;color:var(--fg);background:var(--card);border:1px solid var(--line);resize:vertical;border-radius:12px;outline:none;padding:12px 14px;font-family:inherit;font-size:15px;line-height:1.7;transition:border-color .3s}.prog-ta::placeholder{color:var(--fg3)}.prog-ta:focus{border-color:var(--fg3)}.prog-copy{all:unset;cursor:pointer;color:var(--fg2);border-bottom:1px solid var(--line);align-self:flex-start;padding-bottom:2px;font-size:13px;transition:color .3s,border-color .3s}.prog-disc{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:80px;display:grid}.prog-disc-card{border:1px solid var(--line);border-radius:20px;flex-direction:column;gap:8px;padding:22px 24px;display:flex}.prog-disc-name{letter-spacing:-.01em;font-size:17px;font-weight:600}.prog-disc-text{color:var(--fg2);text-wrap:pretty;font-size:14px;line-height:1.7}.prog-res{flex-direction:column;margin-top:80px;display:flex}.prog-res-row{border-bottom:1px solid var(--line);color:var(--fg);grid-template-columns:56px minmax(0,1fr) auto;align-items:center;gap:20px;padding:20px 8px;transition:padding-left .3s;display:grid}.prog-res-row:hover{text-decoration:none}.prog-res-layer{color:var(--fg3);font-variant-numeric:tabular-nums;font-size:13px}.prog-res-mid{flex-direction:column;gap:4px;min-width:0;display:flex}.prog-res-name{letter-spacing:-.01em;font-size:17px;font-weight:600;line-height:1.35}.prog-res-note{color:var(--fg2);text-wrap:pretty;font-size:14px;line-height:1.6}.prog-res-cta{color:var(--fg2);white-space:nowrap;font-size:13px}.prog-data{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-top:22px;display:grid}.prog-data-card{background:var(--card);border:1px solid var(--line);color:var(--fg);border-radius:16px;flex-direction:column;gap:6px;padding:18px 20px;transition:border-color .3s;display:flex}.prog-data-card:hover{text-decoration:none}.prog-data-name{font-size:17px;font-weight:600}.prog-data-note{color:var(--fg2);text-wrap:pretty;font-size:13px;line-height:1.6}.prog-not{flex-direction:column;margin-top:6px;display:flex}.prog-not-row{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:20px;padding:14px 8px;font-size:14px;line-height:1.65;display:grid}.prog-not-row>span:last-child{color:var(--fg2);text-wrap:pretty}.prog-dissent{border:1px solid var(--line);border-radius:20px;flex-direction:column;gap:10px;margin-top:80px;padding:24px 26px;display:flex}.prog-dissent p{color:var(--fg2);text-wrap:pretty;margin:0;font-size:15px;line-height:1.75}.prog-foot{color:var(--fg3);text-wrap:pretty;margin-top:60px;font-size:13px;line-height:1.8}.prog-week{max-width:720px}.prog-week-head{flex-direction:column;gap:10px;display:flex}.prog-week-eyebrow{flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;display:flex}.prog-week-h1{letter-spacing:-.03em;text-wrap:balance;margin:4px 0 0;font-size:clamp(30px,5.4vw,44px);font-weight:600;line-height:1.12}.prog-week-lead{color:var(--fg2);text-wrap:pretty;margin:8px 0 0;font-size:17px;line-height:1.7}.prog-blocks{flex-direction:column;gap:72px;padding:64px 0 0;display:flex}.prog-block{flex-direction:column;gap:16px;display:flex}.prog-b-title{letter-spacing:-.02em;text-wrap:balance;margin:0;font-size:22px;font-weight:600;line-height:1.35}.prog-b-note{color:var(--fg2);text-wrap:pretty;margin:0;font-size:15px;line-height:1.75}.prog-mech{flex-direction:column;gap:16px;display:flex}.prog-mech p{text-wrap:pretty;margin:0;font-size:16px;line-height:1.85}.prog-anchor{background:var(--soft);border-radius:14px;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:16px;padding:16px 18px;font-size:15px;line-height:1.7;display:grid}.prog-anchor .kicker{white-space:nowrap;padding-top:3px}.prog-ts{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;display:grid}.prog-t{border:1px solid var(--line);border-radius:14px;overflow:hidden}.prog-t-who{background:var(--soft);border-bottom:1px solid var(--line);padding:12px 16px;font-size:14px;font-weight:600}.prog-t-cols{grid-template-columns:1fr 1fr;display:grid}.prog-t-cols>div{flex-direction:column;gap:8px;padding:14px 16px;display:flex}.prog-t-cols>div:first-child{border-right:1px solid var(--line)}.prog-t-cols ul{flex-direction:column;gap:2px;margin:0;padding-left:16px;font-size:14px;line-height:1.7;display:flex}.prog-t-none{color:var(--fg3);margin-left:-16px;list-style:none}.prog-t-note{border-top:1px solid var(--line);color:var(--fg2);text-wrap:pretty;padding:10px 16px;font-size:13px;line-height:1.6}.prog-beliefs{flex-direction:column;gap:12px;display:flex}.prog-belief{border:1px solid var(--line);border-radius:14px;flex-direction:column;gap:10px;padding:16px 18px;display:flex}.prog-belief-head{grid-template-columns:auto minmax(0,1fr) auto;align-items:baseline;gap:12px;display:grid}.prog-belief-n{color:var(--fg3);font-variant-numeric:tabular-nums;font-size:13px}.prog-belief-claim{text-wrap:pretty;font-size:16px;line-height:1.6}.prog-verdict{width:18px;height:18px;color:var(--fg3);flex:none;justify-content:center;align-self:start;align-items:center;margin-top:4px;display:inline-flex}.prog-verdict.is-true{color:#30d158}.prog-verdict.is-false{color:#ff453a}.prog-verdict.is-imprecise{color:#ff9f0a}.prog-verdict.is-conditional{color:var(--accent)}.prog-cmp{border-top:1px solid var(--line);grid-template-columns:1fr 1fr;display:grid}.prog-cmp-col{flex-direction:column;gap:8px;min-width:0;padding-top:12px;display:flex}.prog-cmp-before{border-right:1px solid var(--line);padding-right:18px}.prog-cmp-after{padding-left:18px}.prog-cmp-text{color:var(--fg2);white-space:pre-wrap;text-wrap:pretty;margin:0;font-size:15px;line-height:1.65}.prog-cmp-after .prog-ta{padding:10px 12px;font-size:14px}.prog-stance{flex-wrap:wrap;gap:6px;display:flex}.prog-trail{border-top:1px solid var(--line);flex-direction:column;gap:6px;margin:0;padding:10px 0 0;font-size:13px;line-height:1.6;list-style:none;display:flex}.prog-trail li{grid-template-columns:auto minmax(0,1fr);align-items:baseline;gap:10px;display:grid}.prog-trail-k{color:var(--fg3);white-space:nowrap;font-variant-numeric:tabular-nums}.prog-trail-text{color:var(--fg2);white-space:pre-wrap;text-wrap:pretty}.prog-verdict-line{border-top:1px solid var(--line);align-items:baseline;gap:10px;margin:0;padding-top:10px;font-size:14px;display:flex}.prog-verdict-line b{font-weight:600}.prog-verdict-line.is-true b{color:#30d158}.prog-verdict-line.is-false b{color:#ff453a}.prog-verdict-line.is-imprecise b{color:#ff9f0a}.prog-verdict-line.is-conditional b{color:var(--accent)}.prog-beyond{flex-direction:column;gap:8px;margin-top:4px;display:flex}.prog-conf{color:var(--fg3);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:12px}.prog-reads{flex-direction:column;gap:20px;display:flex}.prog-read{border-left:2px solid var(--line);flex-direction:column;gap:8px;padding-left:16px;display:flex}.prog-read-name{font-size:17px;font-weight:600;line-height:1.4}.prog-read-where{color:var(--fg2);text-wrap:pretty;font-size:14px;line-height:1.65}.prog-read-watch{flex-direction:column;gap:8px;margin-top:4px;display:flex}.prog-read-watch ol{flex-direction:column;gap:4px;margin:0;padding-left:20px;font-size:14px;line-height:1.75;display:flex}.prog-read-watch li{text-wrap:pretty}.prog-task{text-wrap:pretty;margin:0;font-size:16px;line-height:1.8}.prog-steps{flex-direction:column;gap:14px;display:flex}.prog-step{animation:stepIn .45s var(--ease) both;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:14px;display:grid}.prog-step-body{flex-direction:column;gap:8px;min-width:0;font-size:15px;line-height:1.75;display:flex}.prog-step-body .step-math{overflow-x:auto}.prog-drill-actions{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.prog-answer{animation:stepIn .5s var(--ease) both}.prog-handles{flex-direction:column;gap:8px;display:flex}.prog-handle{background:var(--soft);color:var(--fg);border:1px solid #0000;border-radius:12px;flex-direction:column;gap:4px;padding:12px 14px;transition:border-color .3s;display:flex}.prog-handle:hover{border-color:var(--line);text-decoration:none}.prog-handle-label{font-size:14px;line-height:1.5}.prog-handle-note{color:var(--fg2);text-wrap:pretty;font-size:13px;line-height:1.6}.prog-deliver{border-top:1px solid var(--line);grid-template-columns:auto minmax(0,1fr);align-items:start;gap:16px;padding-top:14px;font-size:15px;line-height:1.7;display:grid}.prog-deliver .kicker{white-space:nowrap;padding-top:3px}.prog-micro{border:1px solid var(--line);border-radius:16px;flex-direction:column;gap:12px;padding:18px 20px;display:flex}.prog-micro-head{justify-content:space-between;align-items:baseline;gap:16px;display:flex}.prog-micro-name{color:var(--fg);font-size:17px;font-weight:600}.prog-micro-h{color:var(--fg2);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:15px}.prog-micro-use{color:var(--fg2);grid-template-columns:auto minmax(0,1fr);align-items:start;gap:16px;font-size:14px;line-height:1.7;display:grid}.prog-micro-use .kicker{white-space:nowrap;padding-top:2px}.prog-check{flex-direction:column;gap:8px;margin:0;padding-left:22px;font-size:16px;line-height:1.85;display:flex}.prog-check li{text-wrap:pretty}.prog-audit-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;display:flex}.prog-confirm{background:var(--soft);animation:stepIn .4s var(--ease) both;border-radius:14px;flex-direction:column;gap:14px;padding:16px 18px;font-size:14px;line-height:1.7;display:flex}.prog-audit-group{flex-direction:column;display:flex}.prog-audit-group-head{padding:26px 0 10px}.prog-audit-row{border-top:1px solid var(--line);flex-direction:column;gap:10px;padding:14px 0;display:flex}.prog-audit-claim{grid-template-columns:auto minmax(0,1fr) auto;align-items:baseline;gap:12px;font-size:16px;line-height:1.6;display:grid}.prog-audit-input{flex-direction:column;gap:8px;display:flex}.prog-conf-slider{align-items:center;gap:12px;display:flex}.prog-conf-slider input[type=range]{accent-color:var(--fg);flex:1}.prog-conf-v{color:var(--fg2);font-variant-numeric:tabular-nums;text-align:right;width:28px;font-size:13px}.prog-audit-frozen{color:var(--fg2);flex-wrap:wrap;align-items:baseline;gap:8px 12px;font-size:14px;line-height:1.65;display:flex}.prog-audit-mine{text-wrap:pretty}.prog-audit-post{background:var(--soft);border-radius:12px;flex-direction:column;gap:10px;padding:12px 14px;display:flex}.prog-self{color:var(--fg2);cursor:pointer;align-items:center;gap:10px;font-size:14px;display:flex}.prog-self input{accent-color:var(--fg);width:16px;height:16px}.prog-ban-row{padding-top:6px}.prog-audit-foot{padding-top:20px}.prog-misses{border:1px solid var(--line);border-radius:20px;flex-direction:column;gap:10px;margin-top:36px;padding:22px 24px;display:flex}.prog-misses ol{flex-direction:column;gap:10px;margin:6px 0 0;padding-left:20px;font-size:15px;line-height:1.6;display:flex}.prog-misses li{grid-template-columns:auto minmax(0,1fr) auto;align-items:baseline;gap:10px;display:grid}.prog-journal{flex-direction:column;gap:14px;display:flex}.prog-journal-row{flex-direction:column;gap:6px;display:flex}.prog-finals{flex-direction:column;gap:14px;display:flex}.prog-finish{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:18px;display:flex}@media (hover:hover){.prog-round:not(:disabled):hover{color:var(--fg);border-color:var(--fg3)}.prog-layer-head:hover,.prog-res-row:hover{padding-left:16px}.prog-data-card:hover,.prog-cell:hover{border-color:var(--fg3)}.prog-copy:hover{color:var(--fg);border-color:var(--fg)}}@media (max-width:860px){.prog-found,.prog-now{padding:26px 22px}.prog-layer-head{grid-template-columns:44px minmax(0,1fr);gap:14px}.prog-layer-right{grid-column:2;padding-top:8px}.prog-layer-body{padding-left:8px}.prog-grid,.prog-ruler{grid-template-columns:repeat(9,minmax(0,1fr))}.prog-ruler{display:none}.prog-cell{height:38px}.prog-row,.prog-anchor,.prog-deliver,.prog-micro-use{grid-template-columns:minmax(0,1fr);gap:6px}.prog-res-row{grid-template-columns:40px minmax(0,1fr)}.prog-res-cta{grid-column:2}.prog-not-row{grid-template-columns:minmax(0,1fr);gap:4px}.prog-t-cols{grid-template-columns:minmax(0,1fr)}.prog-t-cols>div:first-child{border-right:0;border-bottom:1px solid var(--line)}.prog-cmp{grid-template-columns:minmax(0,1fr)}.prog-cmp-before{border-right:0;border-bottom:1px solid var(--line);padding-bottom:12px;padding-right:0}.prog-cmp-after{padding-left:0}.prog-blocks{gap:56px}}@media (max-width:760px){.prog-ta,.prog-hours input,.prog-setup input{font-size:16px}}.prog-cell:focus-visible,.prog-round:focus-visible,.prog-layer-head:focus-visible,.prog-copy:focus-visible,.tl-drop:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.tl-run:focus-visible,.tl-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:-3px;border-radius:999px}.tl-pill{left:50%;bottom:calc(32px + var(--sab));z-index:32;background:var(--fg);color:var(--bg);box-shadow:var(--shadow);white-space:nowrap;max-width:calc(100vw - 2 * var(--pad-x));border-radius:999px;align-items:center;font-size:14px;transition:opacity .3s,visibility .3s;display:flex;position:fixed;transform:translate(-50%)}.tl-run,.tl-toggle{all:unset;cursor:pointer;box-sizing:border-box;align-items:center;display:inline-flex}.tl-run{font-variant-numeric:tabular-nums;gap:10px;padding:12px 8px 12px 20px}.tl-dot{background:color-mix(in srgb, var(--bg) 38%, transparent);border-radius:50%;flex:none;width:8px;height:8px;transition:background .3s,box-shadow .3s}.tl-dot.is-on{background:#30d158;box-shadow:0 0 0 4px #30d15840}.tl-run-label{font-weight:500}.tl-run-meta{opacity:.6}.tl-toggle{letter-spacing:.06em;opacity:.7;border-left:1px solid color-mix(in srgb, var(--bg) 22%, transparent);gap:6px;padding:12px 18px 12px 10px;font-size:13px;transition:opacity .3s}.tl-chev{transition:transform .4s var(--ease);display:inline-block;transform:rotate(90deg)}.tl-chev.is-open{transform:rotate(-90deg)}.tl-sheet{left:50%;bottom:calc(92px + var(--sab));z-index:31;width:400px;max-width:calc(100vw - 2 * var(--pad-x));box-sizing:border-box;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);max-height:calc(100vh - 150px - var(--sab));max-height:calc(100dvh - 150px - var(--sab));overscroll-behavior:contain;animation:riseIn .4s var(--ease) both;border-radius:18px;flex-direction:column;gap:12px;padding:16px 18px 18px;display:flex;position:fixed;overflow-y:auto;transform:translate(-50%)}.tl-head{letter-spacing:.12em;color:var(--fg3);text-transform:uppercase;justify-content:space-between;align-items:center;gap:12px;font-size:11px;display:flex}.tl-t{border-top:1.5px solid var(--fg);grid-template-columns:1fr 1fr;font-size:13px;display:grid}.tl-col{flex-direction:column;gap:4px;min-width:0;padding:10px 0 8px 12px;display:flex}.tl-debit{border-right:1.5px solid var(--fg);padding:10px 12px 8px 0}.tl-col .kicker{letter-spacing:.12em;align-items:flex-start;min-height:2.6em;margin-bottom:4px;font-size:11px;display:flex}.tl-row{font-variant-numeric:tabular-nums;grid-template-columns:minmax(0,1fr) auto auto;align-items:baseline;gap:8px;line-height:1.5;display:grid}.tl-row.tl-live{color:var(--accent)}.tl-when{color:var(--fg2);text-overflow:ellipsis;overflow:hidden}.tl-when b{color:#ff9f0a}.tl-dur{color:var(--fg)}.tl-drop{all:unset;cursor:pointer;color:var(--fg3);padding:0 2px;font-size:14px;line-height:1;transition:color .2s}.tl-none{color:var(--fg3)}.tl-sum{border-top:1px solid var(--fg);font-variant-numeric:tabular-nums;grid-template-columns:1fr 1fr;padding-top:8px;font-size:13px;font-weight:600;display:grid}.tl-sum>span{justify-content:space-between;display:flex}.tl-sum>span:first-child{padding-right:12px}.tl-sum>span:last-child{padding-left:12px}.tl-sum>span>span:first-child{color:var(--fg2);font-weight:500}.tl-sum .is-over{color:#30d158}.tl-note{color:var(--fg3);text-wrap:pretty;margin:0;font-size:12px;line-height:1.5}.prog,.prog-week{padding-bottom:150px}@media (hover:hover){.tl-toggle:hover{opacity:1}.tl-drop:hover{color:var(--fg)}}@media (max-width:760px){.tl-run{padding-left:16px}.tl-toggle{padding-right:14px}.tl-run-meta{display:none}}html.is-touch .tl-drop{padding:0 6px;position:relative}html.is-touch .tl-drop:after{content:"";position:absolute;inset:-12px -10px}:is(html.is-touch body:has(.nav.is-open) .tl-pill,html.is-touch body:has(.nav.is-open) .tl-sheet){opacity:0;visibility:hidden;pointer-events:none}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}html{scroll-behavior:auto}}.pr-set .pr-found .kicker:first-child{letter-spacing:.1em}.pr-tiles{grid-template-columns:repeat(6,minmax(0,1fr))}.pr-tiles .prog-tile{padding:16px}.pr-tiles .prog-tile-v{font-size:24px}.pr-parts{flex-direction:column;margin-top:80px;display:flex}.pr-part{border-bottom:1px solid var(--line);flex-direction:column;gap:14px;padding:26px 0 30px;display:flex}.pr-part-head{grid-template-columns:96px minmax(0,1fr) auto;align-items:start;gap:18px;display:grid}.pr-part-code{letter-spacing:.08em;color:var(--fg3);font-variant-numeric:tabular-nums;white-space:nowrap;padding-top:6px;font-size:13px}.pr-part-mid{flex-direction:column;gap:4px;min-width:0;display:flex}.pr-part-title{letter-spacing:-.02em;font-size:22px;font-weight:600;line-height:1.3}.pr-part-line{color:var(--fg2);text-wrap:pretty;font-size:13px;line-height:1.6}.pr-part-right{color:var(--fg2);font-variant-numeric:tabular-nums;white-space:nowrap;align-items:center;gap:12px;padding-top:6px;font-size:13px;display:flex}.pr-part-why{color:var(--fg2);text-wrap:pretty;margin:0;padding-left:114px;font-size:14px;line-height:1.7}.pr-chaps{flex-direction:column;margin:0;padding:0 0 0 114px;list-style:none;display:flex}.pr-chap{border-top:1px solid var(--line);color:var(--fg);grid-template-columns:36px minmax(0,1fr) auto;align-items:baseline;gap:14px;padding:12px 8px;font-size:15px;line-height:1.5;transition:padding-left .3s;display:grid}.pr-chap:hover{text-decoration:none}.pr-chap-n{color:var(--fg3);font-variant-numeric:tabular-nums;font-size:13px}.pr-chap-title{text-wrap:pretty;min-width:0}.pr-chap-meta{color:var(--fg2);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:13px}.pr-chap.is-done .pr-chap-meta{color:#30d158}.pr-chap.is-locked{color:var(--fg3)}.pr-chap.is-locked .pr-chap-meta{color:#ff9f0a}.pr-l3{border:1px solid var(--line);border-radius:16px;margin-left:114px;overflow:hidden}.pr-l3-head{all:unset;cursor:pointer;box-sizing:border-box;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;width:100%;padding:14px 18px;transition:background .3s;display:grid}.pr-l3-state{color:var(--fg2);text-align:right;font-size:13px}.pr-l3-state.is-done{color:#30d158}.pr-l3-body{border-top:1px solid var(--line);animation:stepIn .4s var(--ease) both;flex-direction:column;gap:12px;padding:4px 18px 18px;display:flex}.pr-l3-item{background:var(--soft);border-radius:12px;flex-direction:column;gap:8px;padding:12px 14px;display:flex}.pr-l3-item.is-done{opacity:.72}.pr-l3-check{cursor:pointer;text-wrap:pretty;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:12px;font-size:15px;line-height:1.65;display:grid}.pr-l3-check input{accent-color:var(--fg);width:16px;height:16px;margin-top:4px}.pr-l3-note{padding:10px 12px;font-size:14px}.pr-calib{flex-direction:column;gap:16px;margin-top:80px;display:flex}.pr-table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:14px}.pr-table th{text-align:left;letter-spacing:.12em;color:var(--fg3);text-transform:uppercase;border-bottom:1px solid var(--line);padding:8px 10px;font-size:11px;font-weight:500}.pr-table td{border-bottom:1px solid var(--line);padding:12px 10px}.pr-table td.is-warn{color:#ff9f0a}.pr-calib-line{color:var(--fg2);font-variant-numeric:tabular-nums;flex-wrap:wrap;align-items:baseline;gap:10px 22px;margin:0;font-size:14px;display:flex}.pr-calib-line b{color:var(--fg);font-weight:600}.pr-l2,.pr-tests{flex-direction:column;gap:16px;margin-top:80px;display:flex}.pr-l1{flex-direction:column;gap:16px;margin-top:72px;display:flex}.pr-l1-box{flex-direction:column;gap:14px;display:flex}.pr-l1-actions{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.pr-strict,.pr-lock-hint{color:#ff9f0a}.pr-result{border:1px solid var(--line);background:var(--card);animation:stepIn .5s var(--ease) both;border-radius:16px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:18px;padding:18px 22px;display:grid}.pr-result-score{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:30px;font-weight:600}.pr-result-text{color:var(--fg2);text-wrap:pretty;font-size:14px;line-height:1.6}.pr-result-text b{font-weight:600}.pr-result.is-pass .pr-result-text b{color:#30d158}.pr-result.is-fail .pr-result-text b{color:#ff453a}.pr-result-actions{flex-direction:column;align-items:flex-end;gap:8px;display:flex}.pr-history{font-variant-numeric:tabular-nums;flex-direction:column;margin:0;padding:0;font-size:13px;list-style:none;display:flex}.pr-history li{border-top:1px solid var(--line);grid-template-columns:64px auto auto minmax(0,1fr);align-items:baseline;gap:14px;padding:10px 4px;display:grid}.pr-history--all li{grid-template-columns:64px minmax(0,1fr) auto auto auto}.pr-history-date{color:var(--fg3)}.pr-history-kind{color:var(--fg)}.pr-history-score{font-weight:600}.pr-history-res.is-pass{color:#30d158}.pr-history-res.is-fail{color:#ff453a}.pr-history-meta{color:var(--fg2);text-align:right}.pr-rules{margin-top:64px}.pr-passed{color:#30d158;letter-spacing:.06em}.pr-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--fg2);font-variant-numeric:tabular-nums;flex-wrap:wrap;gap:10px 26px;margin-top:28px;padding:14px 0;font-size:14px;display:flex}.pr-strip b{color:var(--fg);font-weight:600}.pr-strip .is-warn b{color:#ff9f0a}.pr-warn{margin:16px 0 0}.pr-items-sec{flex-direction:column;gap:14px;margin-top:48px;display:flex}.pr-items{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.pr-item{border-bottom:1px solid var(--line)}.pr-item-row{all:unset;cursor:pointer;box-sizing:border-box;grid-template-columns:34px minmax(0,1fr) auto 14px;align-items:center;gap:14px;width:100%;padding:14px 8px;transition:padding-left .3s;display:grid}.pr-item-row:disabled{cursor:default;opacity:.45}.pr-item-n{color:var(--fg3);font-variant-numeric:tabular-nums;font-size:13px}.pr-item-mid{flex-direction:column;gap:4px;min-width:0;display:flex}.pr-item-skill{font-size:16px;line-height:1.4}.pr-item-tags{align-items:center;gap:10px;display:flex}.pr-kind{letter-spacing:.1em;color:var(--fg3);text-transform:uppercase;font-size:11px}.pr-prior{color:#ff9f0a}.pr-diff{gap:4px;display:inline-flex}.pr-status{white-space:nowrap;color:var(--fg3);font-size:13px}.pr-status.is-ok{color:#30d158}.pr-status.is-ng{color:#ff453a}.pr-times{color:var(--fg3)}.pr-item.is-open .pr-item-row{padding-bottom:8px}.pr-focus{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);animation:stepIn .4s var(--ease) both;border-radius:18px;flex-direction:column;gap:18px;margin:0 0 22px 8px;padding:22px 24px 24px;display:flex}.pr-focus-bar{justify-content:space-between;align-items:center;gap:12px;display:flex}.pr-timer{color:var(--fg2);font-variant-numeric:tabular-nums;align-items:center;gap:8px;font-size:13px;display:inline-flex}.pr-timer .tl-dot{background:var(--fg3)}.pr-timer .tl-dot.is-on{background:#30d158;box-shadow:0 0 0 4px #30d15833}.pr-stem{text-wrap:pretty;margin:0;font-size:17px;line-height:1.85}.pr-stem .kx--display{margin:8px 0;display:block;overflow-x:auto}.pr-mine-wrap{flex-direction:column;gap:10px;display:flex}.pr-mine-box{box-sizing:border-box;background:var(--soft);cursor:text;border:1px solid #0000;border-radius:12px;outline:none;flex-direction:column;gap:2px;width:100%;min-height:48px;padding:11px 14px;transition:border-color .3s,background .3s;display:flex}.pr-mine-box.is-editing,.pr-mine-box:focus-visible{border-color:var(--fg3);background:var(--card)}.pr-mine{box-sizing:border-box;resize:none;width:100%;color:var(--fg);background:0 0;border:0;outline:none;margin:0;padding:0;font-family:inherit;font-size:16px;line-height:1.9;display:block;overflow:hidden}.pr-mine::placeholder{color:var(--fg3)}.pr-mine-line,.pr-mine-ph{min-height:1.9em;font-size:16px;line-height:1.9}.pr-mine-ph{color:var(--fg3)}.pr-mf-host{min-height:1.9em;display:flex}math-field.pr-mf{width:100%;color:var(--fg);--caret-color:var(--fg);--selection-background-color:#0a84ff38;--selection-color:var(--fg);--placeholder-color:var(--fg3);--placeholder-opacity:1;--smart-fence-color:var(--fg2);--contains-highlight-background-color:var(--soft);background:0 0;border:none;outline:none;padding:0;font-size:16px;line-height:1.9;display:block}math-field.pr-mf::part(menu-toggle),math-field.pr-mf::part(virtual-keyboard-toggle){display:none}.pr-mine-ta{box-sizing:border-box;resize:none;width:100%;color:var(--fg);background:0 0;border:0;outline:none;margin:0;padding:0;font-family:inherit;font-size:16px;line-height:1.9;display:block;overflow:hidden}.pr-mine-ta::placeholder{color:var(--fg3)}.am-text{white-space:pre-wrap}.pr-pal-kind{letter-spacing:.04em;color:var(--fg);border-color:var(--fg3);font-family:inherit;font-size:13px}.pr-pad{background:var(--soft);border:1px solid var(--line);border-radius:14px;flex-direction:column;gap:6px;padding:10px;display:flex}.pr-pad-row{gap:5px;display:flex}.pr-pad-side{flex:1.4;font-family:inherit;font-size:15px}.pr-pad-key{all:unset;cursor:pointer;box-sizing:border-box;background:var(--card);border:1px solid var(--line);min-width:0;min-height:44px;font-family:var(--font-math);color:var(--fg);touch-action:manipulation;-webkit-user-select:none;user-select:none;border-radius:10px;flex:1;justify-content:center;align-items:center;padding:0 2px;font-size:17px;display:inline-flex}.pr-pad-key.is-on{background:var(--fg);color:var(--bg);border-color:var(--fg)}.pr-pad-wide{letter-spacing:.06em;font-family:inherit;font-size:14px}.pr-pad-key:active{background:var(--soft)}.pr-pad-key:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.pr-pal{animation:stepIn .3s var(--ease) both;flex-wrap:wrap;align-items:center;gap:6px;display:flex}.pr-pal-btn{all:unset;cursor:pointer;box-sizing:border-box;border:1px solid var(--line);min-width:34px;height:30px;font-family:var(--font-math);color:var(--fg2);border-radius:9px;justify-content:center;align-items:center;padding:0 9px;font-size:15px;transition:color .2s,border-color .2s;display:inline-flex}.pr-pal-hint{color:var(--fg3);text-wrap:pretty;flex-basis:100%;font-size:12px;line-height:1.6}.pr-pal-fn{letter-spacing:.03em;color:var(--fg);border-color:var(--fg3);font-family:inherit;font-size:13px}.pr-pal-fn.is-on{background:var(--fg);color:var(--bg);border-color:var(--fg)}.pr-fn{flex-direction:column;gap:8px;display:flex}.pr-fn-tabs{flex-wrap:wrap;gap:4px;display:flex}.pr-fn-tab{all:unset;cursor:pointer;box-sizing:border-box;letter-spacing:.04em;height:30px;color:var(--fg2);touch-action:manipulation;-webkit-user-select:none;user-select:none;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;padding:0 10px;font-size:13px;display:inline-flex}.pr-fn-tab.is-on{background:var(--fg);color:var(--bg)}.pr-fn-tab:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.pr-fn-grid{overscroll-behavior:contain;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:5px;max-height:40vh;display:grid;overflow-y:auto}.pr-fn-key{all:unset;cursor:pointer;box-sizing:border-box;background:var(--card);border:1px solid var(--line);min-width:0;min-height:42px;font-family:var(--font-math);color:var(--fg);white-space:nowrap;touch-action:manipulation;-webkit-user-select:none;user-select:none;border-radius:10px;justify-content:center;align-items:center;padding:0 4px;font-size:14px;display:inline-flex;overflow:hidden}.pr-fn-key:active{background:var(--soft)}.pr-fn-key:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.pr-pad-tabs{border-top:1px solid var(--line);margin-top:2px;padding-top:8px}.am{flex-direction:column;gap:2px;min-width:0;display:flex}.am-line{text-wrap:pretty;min-height:1.95em;font-size:16px;line-height:1.95;overflow:auto hidden}.pr-conf{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.pr-conf .kicker{margin-right:6px}.pr-mine-said{color:var(--fg2);grid-template-columns:auto minmax(0,1fr);align-items:start;gap:14px;margin:0;font-size:14px;line-height:1.6;display:grid}.pr-mine-said .kicker{white-space:nowrap;padding-top:5px}.pr-mine-said .am-line{min-height:1.8em;font-size:15px;line-height:1.8}.pr-solution{background:var(--soft);animation:stepIn .5s var(--ease) both;border-radius:14px;flex-direction:column;gap:18px;padding:18px 20px;display:flex}.pr-answer{text-wrap:pretty;flex-direction:column;gap:6px;font-size:16px;line-height:1.8;display:flex}.pr-answer-body{min-width:0}.pr-steps{flex-direction:column;gap:12px;display:flex}.pr-step .prog-step-body{font-size:15px}.pr-check,.pr-why{color:var(--fg2);text-wrap:pretty;flex-direction:column;gap:6px;margin:0;font-size:14px;line-height:1.7;display:flex}.pr-grade{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.pr-conf-said{color:var(--fg2);font-variant-numeric:tabular-nums;margin-right:6px;font-size:13px}.chip--ok.is-on{color:#fff;background:#30d158}.chip--ng.is-on{color:#fff;background:#ff453a}.chip--tag{cursor:default}.pr-recorded{color:var(--fg2);font-variant-numeric:tabular-nums;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;font-size:14px;display:flex}.pr-recorded-actions{gap:10px;display:flex}.pr-pager{margin-top:64px}.pr-test{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;flex-direction:column;gap:18px;padding:22px 24px 24px;display:flex}.pr-test-bar{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:16px;padding-bottom:14px;display:flex}.pr-test-clock{letter-spacing:-.01em;font-variant-numeric:tabular-nums;font-size:22px;font-weight:600}.pr-test-clock.is-low{color:#ff9f0a}.pr-test-clock.is-over{color:#ff453a}.pr-test-meta{color:var(--fg2);font-variant-numeric:tabular-nums;margin-left:auto;font-size:13px}.pr-test-warn{margin:0}.pr-test-items{flex-direction:column;gap:22px;margin:0;padding:0;list-style:none;display:flex}.pr-test-item{border-top:1px solid var(--line);flex-direction:column;gap:12px;padding-top:18px;display:flex}.pr-test-item:first-child{border-top:0;padding-top:0}.pr-test-item-head{align-items:center;gap:12px;display:flex}.pr-test-actions{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:14px;padding-top:14px;display:flex}.pr-abandon{align-items:center;gap:10px;margin-left:auto;display:inline-flex}.pr-abandon-btn{margin-left:auto}@media (hover:hover){.pr-pal-btn:hover{color:var(--fg);border-color:var(--fg3)}.pr-fn-key:hover{border-color:var(--fg3)}.pr-fn-tab:not(.is-on):hover{color:var(--fg)}.pr-item-row:not(:disabled):hover,.pr-chap:hover{padding-left:14px}.pr-l3-head:hover{background:var(--soft)}}@media (max-width:860px){.pr-tiles{grid-template-columns:repeat(3,minmax(0,1fr))}.pr-part-head{grid-template-columns:minmax(0,1fr);gap:8px}.pr-part-right{padding-top:0}.pr-part-why,.pr-chaps,.pr-l3{margin-left:0;padding-left:0}.pr-item-row{grid-template-columns:28px minmax(0,1fr) 14px}.pr-status{grid-column:2}.pr-focus{margin-left:0;padding:18px 16px 20px}.pr-history li,.pr-history--all li{grid-template-columns:56px minmax(0,1fr);gap:6px 12px}.pr-history-meta{text-align:left;grid-column:2}.pr-result{grid-template-columns:auto minmax(0,1fr)}.pr-result-actions{flex-direction:row;grid-column:1/-1}.pr-test{padding:18px 16px 20px}.pr-test-meta{margin-left:0}}@media (max-width:760px){.pr-mine,.pr-l3-note{font-size:16px}}@media (max-width:520px){.pr-tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}.pr-item-row:focus-visible,.pr-l3-head:focus-visible,.pr-pal-btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}