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.quest-name{text-decoration:line-through}.quest-icon{font-size:16px}.quest-name{font-weight:600}.quest-progress{margin-left:auto;font-size:12px;color:var(--sub, #6b7280);font-variant-numeric:tabular-nums}.quest-reward{font-size:13px;color:#0284c7;margin:8px 0 0;font-weight:600}.level-chip{font-size:12px;font-weight:700;color:#7c3aed;background:#ede9fe;border-radius:999px;padding:2px 8px;margin-left:8px}.conf-hint{font-size:12px;color:var(--sub, #9ca3af);margin:2px 0 6px}.blitz-clock{font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--ac);background:color-mix(in srgb,var(--ac) 12%,transparent);border-radius:999px;padding:3px 10px;margin-left:10px}.blitz-clock.urgent{color:#dc2626;background:#fee2e2}.learn-teach-think{color:var(--sub, #9ca3af);font-size:14px;font-style:italic;margin:12px 0 0}.feed-top-right{display:flex;align-items:center;gap:8px;pointer-events:auto}.feed-chip{position:relative;display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;border:0;cursor:pointer;background:#ffffff8c;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:var(--fg, #111827)}.feed-chip-dot{position:absolute;top:4px;right:4px;width:8px;height:8px;border-radius:50%;background:var(--ac)}.feed-sheet-scrim{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:#00000059;display:flex;align-items:flex-end}.feed-sheet{width:100%;max-height:75dvh;display:flex;flex-direction:column;background:var(--bg, #fff);border-radius:18px 18px 0 0;padding:10px 16px calc(16px + env(safe-area-inset-bottom));animation:feed-sheet-up .22s ease-out}@media (prefers-reduced-motion: reduce){.feed-sheet{animation:none}}@keyframes 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.btn-primary{flex:1}.fs-clear{flex:1;border:1px solid var(--line, #d1d5db);background:transparent;border-radius:10px;padding:10px;cursor:pointer;color:var(--fg, #111827)}.feed-slide-note{background:radial-gradient(120% 90% at 50% 0%,rgba(59,130,246,.07),transparent 70%)}.feed-slide-quiz{background:radial-gradient(120% 90% at 50% 0%,rgba(16,185,129,.07),transparent 70%)}.feed-slide-bonus{background:radial-gradient(120% 90% at 50% 0%,rgba(245,158,11,.12),transparent 70%)}.feed-prompt-md{font-size:19px!important}.feed-prompt-sm{font-size:16px!important}.feed-opt:active,.feed-tf:active,.feed-zone:active{transform:scale(.97)}.feed-qa-answer,.feed-note-why{animation:feed-reveal .25s ease-out}@keyframes feed-reveal{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.feed-qa-answer .feed-note-why,.feed-tf~.feed-note-why{border-top:1px solid var(--line, #e5e7eb);padding-top:10px;margin-top:10px}.feed-top 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70%)}.welcome-steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;width:100%;max-width:380px}.welcome-steps li{display:flex;align-items:flex-start;gap:12px}.welcome-emoji{font-size:22px;line-height:1.2}.welcome-steps b{display:block;font-size:15px}.welcome-steps div>span{font-size:13px;color:var(--sub)}.welcome-code{width:100%;max-width:380px;display:flex;flex-direction:column;gap:8px;background:var(--sur);border:1px solid var(--bdr);border-radius:16px;padding:18px;box-shadow:var(--shadow-lg)}.welcome-code input{width:100%;box-sizing:border-box}.welcome-msg{font-size:13px;color:var(--sub);margin:0}