:root{color:#f4f1ea;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#07111f;font-family:Noto Sans SC,PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,sans-serif;font-weight:400;line-height:1.5}html,body,#root{min-height:100%}body{margin:0}a{color:inherit;text-decoration:none}:root{--bg:#07111f;--bg-strong:#05070a;--panel:#0e1624;--panel-2:#0e1624c7;--text:#f4f1ea;--muted:#a7a196;--line:#f4f1ea38;--accent:#c7a46a;--ink:#0a0a0b;--paper:#f4f1ea}*{box-sizing:border-box}button,textarea{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;color:var(--text);background:radial-gradient(circle at top left, #c7a46a14, transparent 32%), linear-gradient(180deg, var(--bg) 0%, var(--bg-strong) 100%)}.grain{pointer-events:none;opacity:.05;background-image:radial-gradient(#f4f1ea4d .7px,#0000 .7px);background-size:12px 12px;position:fixed;inset:0}.topbar,.page-frame{z-index:1;width:min(1280px,100% - 40px);margin:0 auto;position:relative}.topbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:22px 0;display:flex}.brand-button{color:inherit;text-align:left;background:0 0;border:0;padding:0}.brand-title,.hero-copy h1,.list-header h2{font-family:Noto Serif SC,Songti SC,STSong,Georgia,serif}.brand-title{font-size:24px;display:block}.eyebrow{color:var(--accent);letter-spacing:.22em;text-transform:uppercase;margin:0 0 10px;font-family:IBM Plex Mono,JetBrains Mono,ui-monospace,monospace;font-size:11px}.eyebrow.dark{color:#766241}.topnav{gap:10px;display:flex}.topnav button,.ghost-button,.primary-button,.type-card,.brand-button{transition:transform .16s,border-color .16s,background .16s,opacity .16s}.topnav button,.ghost-button,.primary-button,.type-card{border:1px solid var(--line);color:inherit;background:0 0}.topnav button,.ghost-button,.primary-button{min-height:42px;padding:0 16px}.topnav button.active,.primary-button{background:var(--paper);color:var(--ink);border-color:#f4f1ea66}.page-frame{padding:42px 0 64px}.home-layout{grid-template-columns:1.1fr .9fr;align-items:start;gap:32px;min-height:calc(100vh - 130px);display:grid}.hero-copy{padding:56px 0 24px}.hero-copy h1{letter-spacing:-.04em;margin:0;font-size:clamp(52px,7vw,92px);line-height:1.02}.hero-slogan{margin:26px 0 12px;font-size:26px;line-height:1.3}.hero-summary{max-width:560px;color:var(--muted);margin:0;font-size:18px;line-height:1.8}.hero-actions{margin-top:36px}.hero-side{gap:18px;display:grid}.card-dark,.type-card{background:var(--panel-2);border:1px solid var(--line);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.overview-card,.status-panel,.draft-panel,.action-panel,.list-header,.stats-card,.record-panel,.empty-card,.review-card,.question-stage,.countdown-stage{padding:20px}.overview-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.overview-grid span,.status-label,.review-meta span,.recent-meta span,.metric-list span,.type-subtitle,.type-index,.micro-hint{color:var(--muted);font-size:13px}.overview-grid strong,.stats-card strong,.status-stack strong{margin-top:8px;font-size:28px;font-weight:600;display:block}.type-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.type-card{text-align:left;flex-direction:column;align-items:flex-start;gap:8px;padding:18px;display:flex}.type-card strong{font-size:18px;font-weight:600}.practice-layout,.list-layout,.records-layout{gap:22px;display:grid}.practice-layout-focused{gap:18px}.meta-row{flex-wrap:wrap;gap:8px;display:flex}.meta-row span,.result-pill,.light-tags span,.question-stage-tags span{border:1px solid var(--line);letter-spacing:.05em;padding:6px 10px;font-size:12px}.meta-row-primary span{background:#f4f1ea0a}.meta-row.compact span{padding:5px 8px}.question-stage{gap:28px;padding:22px 26px 28px;display:grid}.question-stage-top{justify-content:space-between;align-items:flex-start;gap:24px;display:flex}.question-copy{color:var(--text);font-family:Noto Serif SC,Songti SC,Georgia,serif}.question-copy-focused{letter-spacing:-.04em;max-width:980px;font-size:clamp(42px,5vw,78px);line-height:1.08}.question-stage-tags{flex-wrap:wrap;gap:8px;display:flex}.countdown-stage{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:8px;min-height:280px;display:flex}.countdown-number{color:var(--text);font-family:Noto Serif SC,Songti SC,Georgia,serif;font-size:clamp(92px,18vw,180px);line-height:1;animation:.88s both countdownPulse}.countdown-hint{color:var(--muted);letter-spacing:.12em;text-transform:uppercase;margin:0;font-family:IBM Plex Mono,JetBrains Mono,ui-monospace,monospace;font-size:12px}.practice-main-lower{grid-template-columns:1fr;display:grid}.practice-side{gap:18px;display:grid}.practice-side-wide{grid-template-columns:.8fr 1.2fr 1fr;align-items:start}.status-stack{grid-template-columns:1fr 1fr;gap:16px;display:grid}.status-stack-single{align-items:start}.micro-hint{margin:14px 0 0;line-height:1.7}.draft-label{color:var(--text);margin-bottom:12px;display:block}textarea{resize:vertical;border:1px solid var(--line);width:100%;min-height:180px;color:var(--text);background:#05070a40;padding:14px 16px}textarea::placeholder{color:var(--muted)}.action-group,.card-actions{flex-wrap:wrap;gap:12px;display:flex}.answer-sheet{background:var(--paper);color:var(--ink);border:1px solid #0a0a0b14;padding:28px}.answer-sheet-header{border-bottom:1px solid #0a0a0b1f;justify-content:space-between;align-items:center;padding-bottom:18px;display:flex}.result-pill{border-color:#0a0a0b29}.answer-grid{grid-template-columns:1.2fr .8fr;gap:22px;padding-top:20px;display:grid}.answer-grid article{border-bottom:1px solid #0a0a0b1a;padding-bottom:18px}.answer-grid h3{margin:0 0 12px;font-family:Noto Serif SC,Songti SC,Georgia,serif}.answer-grid p,.answer-grid li{line-height:1.8}.light-tags{flex-wrap:wrap;gap:8px;display:flex}.light-tags span{border-color:#0a0a0b24}.list-stack,.recent-list{gap:16px;display:grid}.list-header{justify-content:space-between;align-items:center;display:flex}.review-card h3,.recent-item h3{margin:0;font-size:22px;font-weight:500;line-height:1.5}.review-main{gap:10px;display:grid}.review-meta,.recent-meta{flex-wrap:wrap;gap:16px;margin:14px 0 18px;display:flex}.records-grid{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.records-panels{grid-template-columns:.75fr 1.25fr;gap:18px;display:grid}.metric-list{gap:10px;margin:0;padding:0;list-style:none;display:grid}.metric-list li,.recent-item{border-top:1px solid var(--line);justify-content:space-between;gap:16px;padding:12px 0;display:flex}.metric-list li:first-child,.recent-item:first-child{border-top:0}.recent-type{color:var(--accent);letter-spacing:.12em;text-transform:uppercase;margin:0 0 8px;font-family:IBM Plex Mono,JetBrains Mono,ui-monospace,monospace;font-size:12px}.empty-card,.empty-hint{color:var(--muted)}.primary-button:hover,.ghost-button:hover,.type-card:hover,.topnav button:hover{transform:translateY(-1px)}@keyframes countdownPulse{0%{opacity:0;transform:scale(.88)}20%{opacity:1;transform:scale(1)}78%{opacity:1;transform:scale(1.04)}to{opacity:.12;transform:scale(1.08)}}@media (width<=1100px){.home-layout,.answer-grid,.records-panels,.practice-side-wide{grid-template-columns:1fr}.records-grid,.overview-grid{grid-template-columns:repeat(2,1fr)}.question-copy-focused{font-size:clamp(34px,6vw,58px)}}@media (width<=720px){.topbar{flex-direction:column;align-items:flex-start;gap:16px}.type-grid,.records-grid,.overview-grid,.status-stack{grid-template-columns:1fr}.page-frame{padding-top:24px}.question-stage-top,.list-header{flex-direction:column;align-items:flex-start}.question-copy-focused{font-size:30px}.countdown-number{font-size:96px}}.sealed-stage{align-content:start;gap:28px;min-height:420px;display:grid}.sealed-content{border-top:1px solid var(--line);gap:16px;max-width:760px;padding-top:24px;display:grid}.sealed-content h2{letter-spacing:-.03em;margin:0;font-family:Noto Serif SC,Songti SC,Georgia,serif;font-size:clamp(32px,4vw,54px);line-height:1.16}.sealed-content p{color:var(--muted);margin:0;line-height:1.8}.countdown-stage-large{min-height:460px}.answer-sheet{transform-origin:0;animation:.52s cubic-bezier(.2,.85,.2,1) both answerSheetOpen;box-shadow:0 24px 60px #00000038}@keyframes answerSheetOpen{0%{opacity:0;transform:perspective(1400px)rotateY(-16deg)translate(-24px)scale(.98)}55%{opacity:1;transform:perspective(1400px)rotateY(2deg)translate(0)scale(1.005)}to{opacity:1;transform:perspective(1400px)rotateY(0)translate(0)scale(1)}}.topbar-right{align-items:center;gap:14px;display:flex}.user-chip-wrap{position:relative}.user-chip{border:1px solid var(--line);min-height:42px;color:var(--text);text-align:left;background:#f4f1ea0a;padding:8px 14px}.user-chip strong{font-size:15px;display:block}.user-switcher{z-index:5;width:min(360px,80vw);padding:16px;position:absolute;top:calc(100% + 10px);right:0}.user-list{gap:8px;margin-bottom:14px;display:grid}.user-list-item{text-align:left;border:1px solid var(--line);color:var(--text);background:#f4f1ea08;gap:4px;padding:10px 12px;display:grid}.user-list-item span{color:var(--muted);font-size:12px}.user-create-inline{gap:10px;display:grid}.profile-gate-wrap{z-index:1;place-items:center;width:min(860px,100% - 40px);min-height:100vh;margin:0 auto;display:grid;position:relative}.profile-gate{width:100%;max-width:720px;padding:28px}.profile-gate h1{margin:0 0 16px;font-family:Noto Serif SC,Songti SC,Georgia,serif;font-size:clamp(32px,4vw,56px);line-height:1.15}.profile-gate p{color:var(--muted);margin:0 0 18px;line-height:1.8}.profile-input{border:1px solid var(--line);width:100%;min-height:48px;color:var(--text);background:#05070a40;padding:0 14px}.sealed-content-strong h2{max-width:840px}.sealed-content-strong p:last-of-type{margin-bottom:4px}.bank-stat-inline{color:var(--muted);max-width:640px;margin-top:18px;line-height:1.8}.question-source{color:#f4f1eaad;background:#f4f1ea08;border:1px solid #f4f1ea29;align-items:center;gap:10px;width:fit-content;max-width:100%;padding:8px 12px;font-size:13px;line-height:1.6;display:inline-flex}.question-source-label{color:var(--accent);letter-spacing:.18em;text-transform:uppercase;font-family:IBM Plex Mono,JetBrains Mono,ui-monospace,monospace;font-size:10px}