:root{--diff-easy:#10b981;--diff-medium:#f59e0b;--diff-hard:#ef4444}html.home,html.home body{overflow:auto;height:auto;min-height:100%}html.home body{background:var(--bg)}.home-top{position:-webkit-sticky;position:sticky;top:0;z-index:30;gap:16px;padding:14px 28px;background:color-mix(in srgb,var(--chrome) 86%,transparent);-webkit-backdrop-filter:saturate(1.4) blur(10px);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--border)}.brand,.home-top{display:flex;align-items:center}.brand{gap:10px}.brand-glyph{width:30px;height:30px;border-radius:var(--r-sm);border:1px solid var(--border-strong);color:var(--text-dim);display:grid;place-items:center;flex:none}.brand-name{font-size:16px;font-weight:600;letter-spacing:-.01em}.brand-name .dim{color:var(--text-faint);font-weight:450}.top-spacer{flex:1 1}.role-badge{display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 11px 0 9px;border-radius:999px;border:1px solid var(--border);background:var(--surface);font-family:var(--font-mono);font-size:11.5px;color:var(--text-dim);cursor:pointer;transition:border-color .15s var(--ease),color .15s var(--ease)}.role-badge:hover{border-color:var(--border-strong);color:var(--text)}.role-badge .dot{width:7px;height:7px;background:var(--accent)}.avatar,.role-badge .dot{border-radius:50%;flex:none}.avatar{width:30px;height:30px;display:grid;place-items:center;font-family:var(--font-mono);font-size:11.5px;font-weight:500;color:var(--text);background:var(--surface-2);border:1px solid var(--border)}.home-wrap{max-width:1040px;margin:0 auto;padding:40px 28px 90px}.hero{margin-bottom:46px}.hero-greet{font-size:30px;font-weight:600;letter-spacing:-.02em;line-height:1.1}.hero-sub{margin-top:9px;font-family:var(--font-mono);font-size:13px;color:var(--text-dim);letter-spacing:.01em}.hero-sub b{color:var(--text);font-weight:500}.hero-actions{display:flex;gap:10px;margin-top:22px}.btn-primary{display:inline-flex;align-items:center;gap:9px;height:40px;padding:0 18px;border-radius:var(--r-md);border:1px solid var(--accent);background:var(--accent);color:#fff;font-size:13.5px;font-weight:500;letter-spacing:-.005em;transition:filter .12s var(--ease)}.btn-primary:hover{filter:brightness(1.07)}.btn-ghost{display:inline-flex;align-items:center;gap:9px;height:40px;padding:0 16px;border-radius:var(--r-md);border:1px solid var(--border);background:var(--surface);color:var(--text-dim);font-size:13.5px;font-weight:450;transition:border-color .12s var(--ease),color .12s var(--ease)}.btn-ghost:hover{border-color:var(--border-strong);color:var(--text)}.section{margin-bottom:44px}.section-head{display:flex;align-items:baseline;gap:12px;margin-bottom:16px}.section-label{font-family:var(--font-mono);font-size:11px;color:var(--text-faint);letter-spacing:.08em;text-transform:lowercase}.section-title{font-size:17px;font-weight:600;letter-spacing:-.012em}.section-action{margin-left:auto;font-family:var(--font-mono);font-size:12px;color:var(--text-dim);background:none;border:none;padding:4px 2px;display:inline-flex;align-items:center;gap:6px;transition:color .12s var(--ease)}.section-action:hover{color:var(--accent)}.q-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:14px;gap:14px}.q-grid-2{grid-template-columns:repeat(2,1fr)}.q-card{position:relative;text-align:left;display:flex;flex-direction:column;gap:13px;padding:16px 17px 15px;border-radius:var(--r-lg);border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-block);cursor:pointer;transition:border-color .15s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease)}.q-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-pop);transform:translateY(-2px)}.q-top{display:flex;gap:8px}.diff,.q-top{align-items:center}.diff{display:inline-flex;gap:6px;font-family:var(--font-mono);font-size:11px;letter-spacing:.01em;padding:2px 8px 2px 7px;border-radius:999px;border:1px solid var(--border)}.diff .dot{width:6px;height:6px;border-radius:50%;flex:none}.diff.easy{color:var(--diff-easy)}.diff.easy .dot{background:var(--diff-easy)}.diff.medium{color:var(--diff-medium)}.diff.medium .dot{background:var(--diff-medium)}.diff.hard{color:var(--diff-hard)}.diff.hard .dot{background:var(--diff-hard)}.q-domain{margin-left:auto;font-family:var(--font-mono);font-size:10.5px;color:var(--text-faint);letter-spacing:.02em}.q-title{font-size:17px;font-weight:550;letter-spacing:-.012em;line-height:1.18}:root[data-theme=dark] .q-title{color:var(--accent)}.q-prompt{font-size:12.5px;line-height:1.5;color:var(--text-dim);text-wrap:pretty;flex:1 1}.q-foot{gap:10px;padding-top:12px;border-top:1px solid var(--border)}.q-dots,.q-foot{display:flex;align-items:center}.q-dots{gap:4px}.q-dots .node-dot{width:8px;height:8px;border-radius:50%}.q-time{margin-left:auto;font-family:var(--font-mono);font-size:11px;color:var(--text-faint);display:inline-flex;align-items:center;gap:5px}.q-go{width:22px;height:22px;border-radius:var(--r-sm);flex:none;display:grid;place-items:center;color:var(--text-faint);transition:color .15s var(--ease),transform .15s var(--ease)}.q-card:hover .q-go{color:var(--accent);transform:translateX(2px)}.tease-card{cursor:default;border-style:dashed;background:transparent;box-shadow:none;pointer-events:none}.tease-card:hover{transform:none;box-shadow:none;border-color:var(--border-strong)}.tease-body{display:flex;flex-direction:column;gap:8px;flex:1 1}.tease-plus{font-size:22px;font-weight:300;line-height:1;color:var(--text-faint)}.tease-title{font-size:17px;font-weight:550;letter-spacing:-.012em;line-height:1.18;color:var(--text-dim)}.tease-tag{display:inline-flex;align-items:center;gap:5px;letter-spacing:.03em;color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);background:color-mix(in srgb,var(--accent) 8%,transparent);padding:2px 7px;border-radius:999px}.tease-soon,.tease-tag{font-family:var(--font-mono);font-size:10.5px}.tease-soon{color:var(--text-faint);letter-spacing:.04em}.rooms{display:flex;flex-direction:column;gap:9px}.session-bar{cursor:pointer}.session-bar:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.session-delete{opacity:0;flex:none;width:26px;height:26px;border-radius:var(--r-sm);display:grid;place-items:center;color:var(--text-faint);background:none;border:none;transition:opacity .15s,color .15s,background .15s}.session-bar:hover .session-delete{opacity:1}.session-delete:hover{color:var(--diff-hard);background:color-mix(in srgb,var(--diff-hard) 12%,transparent)}.rooms-empty{padding:18px 20px;font-family:var(--font-mono);font-size:12px;color:var(--text-faint);border:1px dashed var(--border);text-align:center}.room,.rooms-empty{border-radius:var(--r-md)}.room{display:flex;align-items:center;gap:18px;width:100%;text-align:left;padding:14px 18px;border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-block);cursor:pointer;transition:border-color .15s var(--ease),box-shadow .15s var(--ease),transform .12s var(--ease)}.room:hover{border-color:var(--border-strong);box-shadow:var(--shadow-pop);transform:translateX(2px)}.room-status{display:flex;align-items:center;gap:8px;width:116px;flex:none}.room-dot{width:8px;height:8px;border-radius:50%;flex:none;background:var(--text-faint)}.room-stat-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.03em;color:var(--text-faint);text-transform:lowercase}.room.live .room-dot{background:var(--diff-easy);animation:roomPulse 1.8s var(--ease) infinite}.room.live .room-stat-label{color:var(--diff-easy)}.room.scheduled .room-dot{background:var(--accent)}.room.scheduled .room-stat-label{color:var(--accent)}@keyframes roomPulse{0%{box-shadow:0 0 0 0 rgba(16,185,129,.45)}70%{box-shadow:0 0 0 6px rgba(16,185,129,0)}to{box-shadow:0 0 0 0 rgba(16,185,129,0)}}.room-main{min-width:0;flex:1 1;display:flex;flex-direction:column;gap:3px}.room-title{font-size:14.5px;font-weight:500;letter-spacing:-.008em;line-height:1.2}:root[data-theme=dark] .room-title{color:var(--accent)}.room-sub{font-family:var(--font-mono);font-size:11.5px;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.room-people{display:flex;align-items:center;flex:none}.room-people .pip{width:26px;height:26px;border-radius:50%;margin-left:-7px;display:grid;place-items:center;flex:none;font-family:var(--font-mono);font-size:10px;font-weight:500;color:var(--text);background:var(--surface-2);border:1.5px solid var(--surface)}.room-people .pip:first-child{margin-left:0}.room-time{font-family:var(--font-mono);font-size:11.5px;color:var(--text-dim);width:116px;flex:none;text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.room.live .room-time{color:var(--text)}.room-chev{color:var(--text-faint);flex:none;transition:color .15s var(--ease),transform .15s var(--ease)}.room:hover .room-chev{color:var(--accent);transform:translateX(2px)}.login-stage{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:24px;background:radial-gradient(var(--bg-dots) 1.1px,transparent 1.1px) 0 0 /22px 22px,var(--bg)}.login-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-pop);padding:30px 30px 26px}.login-brand{display:flex;align-items:center;gap:11px;margin-bottom:22px}.login-brand .brand-glyph{width:36px;height:36px}.login-brand h1{font-size:18px;font-weight:600;letter-spacing:-.01em;margin:0}.login-brand p{margin:2px 0 0;font-size:11px;letter-spacing:.01em}.field-label,.login-brand p{font-family:var(--font-mono);color:var(--text-faint)}.field-label{display:block;font-size:10.5px;letter-spacing:.04em;text-transform:lowercase;margin:0 0 7px 2px}.field-input{width:100%;height:40px;padding:0 13px;margin-bottom:18px;border-radius:var(--r-md);border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-family:var(--font-sans);font-size:14px;outline:none;transition:border-color .15s var(--ease),background .15s var(--ease)}.field-input::placeholder{color:var(--text-faint)}.field-input:focus{border-color:var(--accent);background:var(--surface)}.role-pick{display:grid;grid-template-columns:1fr 1fr;grid-gap:9px;gap:9px;margin-bottom:22px}.role-opt{position:relative;text-align:left;cursor:pointer;padding:13px 13px 12px;border-radius:var(--r-md);border:1px solid var(--border);background:var(--surface-2);transition:border-color .15s var(--ease),background .15s var(--ease)}.role-opt:hover{border-color:var(--border-strong)}.role-opt.on{border-color:var(--accent);background:var(--accent-soft)}.role-opt .ro-glyph{width:22px;height:22px;color:var(--text-dim);margin-bottom:9px}.role-opt.on .ro-glyph{color:var(--accent)}.role-opt .ro-name{font-size:13.5px;font-weight:500;letter-spacing:-.008em}.role-opt .ro-desc{font-family:var(--font-mono);font-size:10px;color:var(--text-faint);margin-top:3px;line-height:1.35}.role-opt .ro-check{position:absolute;top:11px;right:11px;width:15px;height:15px;border-radius:50%;border:1.5px solid var(--border-strong);display:grid;place-items:center;color:#fff}.role-opt.on .ro-check{background:var(--accent);border-color:var(--accent)}.login-go{width:100%;height:42px;border-radius:var(--r-md);border:1px solid var(--accent);background:var(--accent);color:#fff;font-size:14px;font-weight:500;letter-spacing:-.005em;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:filter .12s var(--ease)}.login-go:hover{filter:brightness(1.07)}.login-go:disabled{opacity:.45;cursor:default;filter:none}.login-foot{margin-top:16px;text-align:center;font-family:var(--font-mono);font-size:10.5px;color:var(--text-faint)}.login-theme{position:fixed;top:18px;right:18px;z-index:101}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;grid-gap:4px;gap:4px;padding:4px;margin-bottom:20px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-md)}.auth-tab{height:32px;border-radius:var(--r-sm);border:none;background:transparent;font-family:var(--font-mono);font-size:11.5px;color:var(--text-faint);letter-spacing:.02em;transition:color .15s var(--ease)}.auth-tab:hover{color:var(--text-dim)}.auth-tab.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow-block);border:1px solid var(--border)}.auth-msg{font-family:var(--font-mono);font-size:11.5px;padding:8px 10px;border-radius:var(--r-sm);margin-bottom:14px}.auth-msg--err{color:var(--diff-hard);background:color-mix(in srgb,var(--diff-hard) 10%,transparent);border:1px solid color-mix(in srgb,var(--diff-hard) 25%,transparent)}.auth-msg--info{color:var(--diff-easy);background:color-mix(in srgb,var(--diff-easy) 10%,transparent);border:1px solid color-mix(in srgb,var(--diff-easy) 25%,transparent)}.auth-toggle{margin-top:12px;text-align:center;font-family:var(--font-mono);font-size:11px;color:var(--text-faint)}.auth-toggle button{background:none;border:none;color:var(--accent);font-family:inherit;font-size:inherit;cursor:pointer;margin-left:4px;padding:0}.auth-toggle button:hover{text-decoration:underline}.auth-divider{display:flex;align-items:center;gap:10px;margin:16px 0 14px;font-family:var(--font-mono);font-size:10.5px;color:var(--text-faint)}.auth-divider:after,.auth-divider:before{content:"";flex:1 1;height:1px;background:var(--border)}.oauth-btn{width:100%;height:40px;border-radius:var(--r-md);border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-family:var(--font-sans);font-size:13.5px;font-weight:450;display:inline-flex;align-items:center;justify-content:center;gap:9px;margin-bottom:9px;transition:border-color .12s var(--ease),background .12s var(--ease)}.oauth-btn:last-of-type{margin-bottom:0}.oauth-btn:hover{border-color:var(--border-strong);background:var(--surface-hover)}.oauth-btn:disabled{opacity:.45;cursor:default}.auth-foot{margin-top:12px;text-align:center;font-family:var(--font-mono);font-size:10.5px;color:var(--text-faint)}.modal-backdrop{position:fixed;inset:0;z-index:200;background:color-mix(in srgb,var(--bg) 50%,transparent);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:grid;place-items:center;padding:24px}.modal-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-pop);padding:26px 28px 24px}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-title{font-size:15px;font-weight:600;letter-spacing:-.01em}.modal-err{font-family:var(--font-mono);font-size:11.5px;color:var(--diff-hard);margin-bottom:14px;padding:8px 10px;border-radius:var(--r-sm);background:color-mix(in srgb,var(--diff-hard) 10%,transparent);border:1px solid color-mix(in srgb,var(--diff-hard) 25%,transparent)}.mode-pick{display:grid;grid-template-columns:1fr 1fr;grid-gap:9px;gap:9px;margin-bottom:22px}.mode-opt{position:relative;text-align:left;cursor:pointer;padding:13px 13px 12px;border-radius:var(--r-md);border:1px solid var(--border);background:var(--surface-2);transition:border-color .15s var(--ease),background .15s var(--ease)}.mode-opt:hover{border-color:var(--border-strong)}.mode-opt.on{border-color:var(--accent);background:var(--accent-soft)}.mode-opt .ro-name{font-size:13.5px;font-weight:500;letter-spacing:-.008em;color:var(--text-dim)}.mode-opt .ro-desc{font-family:var(--font-mono);font-size:10px;color:var(--text-faint);margin-top:4px;line-height:1.4}.mode-opt .ro-check{position:absolute;top:11px;right:11px;width:15px;height:15px;border-radius:50%;border:1.5px solid var(--border-strong);display:grid;place-items:center;color:#fff}.mode-opt.on .ro-check{background:var(--accent);border-color:var(--accent)}.mode-opt:disabled{opacity:.5;cursor:default}@media (max-width:760px){.q-grid{grid-template-columns:1fr}.room-status,.room-time{width:auto}.room-people{display:none}}