:root{--accent:#e8283c;--accent-hover:#c91d30;--accent-soft:#ffe8ea;--text:#1d1f24;--muted:#646a75;--bg:#f5f6f8;--card:#fff;--border:#dfe2e7;--ok:#1a8a4a;--ok-soft:#e3f6ea;--ko:#c4291c;--ko-soft:#fde8e6;--radius:14px;--shadow:0 1px 2px #0000000d, 0 4px 16px #0000000a;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.45}*{box-sizing:border-box}body{background:var(--bg);min-height:100dvh;margin:0}h1,h2,h3{margin:0;line-height:1.2}h1{font-size:1.6rem}h2{font-size:1.3rem}h3{font-size:1.1rem}p{margin:0}a{color:var(--accent)}hr{border:none;border-top:1px solid var(--border);width:100%}.page{flex-direction:column;gap:20px;max-width:1080px;margin:0 auto;padding:20px 16px 48px;display:flex}.page.narrow{max-width:480px}.stack{flex-direction:column;gap:14px;display:flex}.stack.tight{gap:8px}.row{align-items:center;gap:10px;display:flex}.row.between{justify-content:space-between}.row.end{justify-content:flex-end}.row.wrap{flex-wrap:wrap}.grow{flex:1;min-width:0}.center{text-align:center}.muted{color:var(--muted)}.small{font-size:.875rem}.mono{letter-spacing:.08em;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.brand{color:var(--text);justify-content:center;align-items:center;gap:10px;padding:8px 0;font-size:1.15rem;text-decoration:none;display:flex}.brand.small{justify-content:flex-start;padding:0;font-size:1rem}.topbar{background:var(--card);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:12px 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var(--border);color:var(--text);cursor:pointer;background:#fff;border-radius:10px;justify-content:center;align-items:center;gap:6px;min-height:44px;padding:10px 18px;font-weight:600;text-decoration:none;display:inline-flex}.btn:hover:not(:disabled){border-color:var(--muted)}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.btn.ghost{color:var(--muted);background:0 0;border-color:#0000}.btn.big{min-height:54px;padding:14px 20px;font-size:1.15rem}.btn.small{min-height:36px;padding:6px 12px;font-size:.9rem}.btn:disabled{opacity:.45;cursor:not-allowed}.link-btn{font:inherit;color:var(--accent);cursor:pointer;background:0 0;border:none;align-self:center;padding:4px}.alert{background:var(--ko-soft);color:var(--ko);border-radius:10px;padding:10px 14px}.notice{background:var(--ok-soft);color:var(--ok);border-radius:10px;padding:10px 14px}.pulse{animation:2s ease-in-out infinite pulse}@keyframes pulse{50%{opacity:.45}}@media (prefers-reduced-motion:reduce){.pulse{animation:none}}.question-text{font-size:1.35rem}.question-img{border:1px solid var(--border);border-radius:10px;max-width:100%}.options{flex-direction:column;gap:10px;display:flex}.option{font:inherit;text-align:left;border:2px solid var(--border);min-height:58px;color:var(--text);cursor:pointer;background:#fff;border-radius:12px;align-items:center;gap:12px;padding:14px;display:flex}.option:disabled{cursor:default}.option.selected{border-color:var(--accent);background:var(--accent-soft)}.option.correct{border-color:var(--ok);background:var(--ok-soft)}.option.wrong{border-color:var(--ko);background:var(--ko-soft)}.option-letter{background:var(--bg);border-radius:8px;flex:none;place-items:center;width:30px;height:30px;font-size:.9rem;font-weight:700;display:inline-grid}.option.selected .option-letter{background:var(--accent);color:#fff}.feedback{flex-direction:column;gap:10px;display:flex}.feedback.ok{border-color:var(--ok);background:var(--ok-soft)}.feedback.ko{border-color:var(--ko);background:var(--ko-soft)}.score{font-size:1.6rem;font-weight:700}.row-card{color:inherit;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;text-decoration:none;display:flex}.code-chip{background:var(--accent-soft);color:var(--accent-hover);border-radius:8px;padding:4px 10px;font-weight:700}.option-edit{gap:8px}.status-chip{background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:4px 12px;font-size:.9rem;font-weight:600}.status-chip.active{background:var(--ok-soft);color:var(--ok);border-color:#0000}.join-box{text-align:center;flex-direction:column;gap:4px;display:flex}.room-code{color:var(--accent);font-size:clamp(2.5rem,12vw,5rem);font-weight:800;line-height:1.1}.dashboard{gap:20px;display:grid}@media 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th,.results-grid td{text-align:center;white-space:nowrap;padding:0}.results-grid thead th{letter-spacing:.04em;padding:6px 8px;font-size:.8rem}.results-grid th.sort{cursor:pointer;-webkit-user-select:none;user-select:none;color:#1f6f9a;text-align:left}.results-grid th.score,.results-grid td.score{text-align:right;padding-right:12px}.results-grid th.qhead{background:#fff7e0;border-bottom:3px solid #f2c94c;border-radius:6px 6px 0 0;min-width:64px;font-size:.95rem}.results-grid th.qhead.current{background:var(--accent-soft);border-bottom-color:var(--accent)}.results-grid .sticky-col{z-index:1;text-align:left;background:var(--card);padding-right:12px;position:sticky;left:0}.results-grid .name{text-overflow:ellipsis;max-width:180px;font-weight:600;overflow:hidden}.results-grid td.score{font-size:.95rem;font-weight:600}.results-grid .cell{border-radius:4px;justify-content:center;align-items:center;gap:6px;min-width:64px;height:40px;padding:0 10px;font-weight:600;display:flex}.results-grid 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var(--border);align-items:center;gap:12px;padding:8px 16px;display:flex}.play-nav .qbar{scrollbar-width:thin;flex-wrap:nowrap;flex:1;min-width:0;padding:4px 2px;overflow-x:auto}.play-nav .qbar-item{flex:none;min-width:46px;height:46px}.play-nav .qbar-item.current:not(.done,.ok,.ko){background:var(--bg)}.btn.dark{background:var(--text);border-color:var(--text);color:#fff}.btn.dark:hover:not(:disabled){background:#000}.q-layout{flex-direction:column;flex:1;display:flex}.q-media{background-color:var(--bg);border-bottom:1px solid var(--border);background-image:radial-gradient(#cdd1d8 1.2px,#0000 1.3px);background-size:22px 22px;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:16px;display:flex}.q-img-btn{cursor:zoom-in;box-shadow:var(--shadow);background:#fff;border:none;border-radius:8px;max-width:100%;padding:0}.q-img-btn img{object-fit:contain;border-radius:8px;max-width:100%;max-height:40vh;display:block}.q-zoom{z-index:50;cursor:zoom-out;background:#000000d9;border:none;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.q-zoom img{object-fit:contain;background:#fff;border-radius:8px;max-width:100%;max-height:100%}.q-main{padding:20px 16px 40px}.q-content{max-width:720px;margin:0 auto}.option-letter{border-radius:50%}@media (width>=900px){.q-layout.has-image{flex-direction:row}.q-layout.has-image .q-media{border-bottom:none;border-right:1px solid var(--border);flex:50%;padding:32px}.q-layout.has-image .q-img-btn img{max-height:calc(100dvh - 220px)}.q-layout.has-image .q-main{flex:50%;min-width:0}.q-main{padding:40px 32px 48px}}.results-grid .submitted{color:var(--ok);margin-right:6px;font-size:.85rem}body.monitored .q-layout,body.monitored .play-nav{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}body.monitored input,body.monitored textarea{-webkit-user-select:text;user-select:text}.away-cover{z-index:60;background:var(--bg);text-align:center;place-items:center;padding:24px;font-size:1.1rem;display:grid;position:fixed;inset:0}.notice-list{flex-direction:column;gap:4px;margin:0;padding-left:20px;display:flex}.tabs{border-bottom:1px solid var(--border);gap:4px;display:flex}.tabs button{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--muted);cursor:pointer;border-bottom:none;border-radius:10px 10px 0 0;margin-bottom:-1px;padding:10px 18px;font-weight:600}.tabs button[aria-selected=true]{background:var(--card);color:var(--text)}.tab-count{background:var(--accent);color:#fff;border-radius:10px;margin-left:8px;padding:1px 8px;font-size:.8rem}.segmented.small button{min-height:34px;padding:6px 12px;font-size:.9rem}.segmented.small button.active{background:var(--text)}.activity-list{flex-direction:column;display:flex}.activity-head,.activity-summary{grid-template-columns:minmax(110px,200px) 1fr 60px;align-items:center;gap:12px;display:grid}.activity-head{letter-spacing:.04em;color:var(--muted);border-bottom:1px solid var(--border);padding:8px 10px;font-size:.8rem;font-weight:700}.activity-row{border-bottom:1px solid var(--border)}.activity-summary{width:100%;font:inherit;text-align:left;color:var(--text);cursor:pointer;background:0 0;border:none;padding:10px}.activity-summary:disabled{cursor:default}.activity-summary:hover:not(:disabled){background:var(--bg)}.activity-summary .name{text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.activity-list .right{text-align:right}.activity-summary .total{color:var(--muted);font-weight:700}.activity-summary .total.some{color:var(--accent)}.chips{flex-wrap:wrap;gap:4px;display:flex}.chip{white-space:nowrap;color:#fff;background:#2b2f36;border-radius:4px;padding:2px 8px;font-size:.82rem;font-weight:600;display:inline-block}.chip.blur,.chip.resize{color:#2b2f36;background:#dfe6ee}.chip.right_click,.chip.copy{color:#2b2f36;background:#fff;box-shadow:inset 0 0 0 1px #2b2f36}.chip.extension{background:#8a4b08}.activity-detail{flex-direction:column;gap:6px;margin:0;padding:4px 10px 12px 34px;list-style:none;display:flex}.activity-detail li{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.chip.screenshot{background:var(--ko)}.logo{flex-direction:column;align-items:center;line-height:1;display:inline-flex}.logo img{width:52px;height:auto;display:block}.logo-quiz{color:#000;letter-spacing:.22em;text-transform:uppercase;margin-top:1px;padding-left:.22em;font-size:.72rem;font-weight:800}.logo.large img{width:132px}.logo.large .logo-quiz{letter-spacing:.3em;margin-top:4px;padding-left:.3em;font-size:1.35rem}.brand.column{flex-direction:column;gap:6px}.play-top .play-room{border-left:1px solid var(--border);padding-left:12px}.results-grid .name-cell{align-items:center;gap:8px;display:flex}.results-grid .name-text{text-overflow:ellipsis;overflow:hidden}.pdf-btn{font:inherit;border:1px solid var(--border);color:var(--muted);cursor:pointer;background:#fff;border-radius:4px;flex:none;margin-left:auto;padding:2px 6px;font-size:.7rem;font-weight:700}.pdf-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.google-btn{color:#1f1f1f;background:#fff;border:1px solid #c8ccd2;justify-content:center;align-items:center;gap:10px;font-weight:600;display:inline-flex}.divider{color:var(--muted);align-items:center;gap:10px;font-size:.85rem;display:flex}.divider:before,.divider:after{content:"";border-top:1px solid var(--border);flex:1}.legal{max-width:760px}.legal article h2{margin-top:8px;font-size:1.15rem}.legal article h3{font-size:1rem}.legal article ul{flex-direction:column;gap:6px;margin:0;padding-left:22px;display:flex}.legal-links a{color:var(--muted)}.session-row{flex-wrap:nowrap}.session-link{min-width:0;color:inherit;flex:1;text-decoration:none}.session-link:hover strong{color:var(--accent)}