:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#f4f4f5;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--bg:#101114;--panel:#181a1f;--panel-strong:#20232a;--border:#30333b;--text:#f4f4f5;--muted:#a1a1aa;--subtle:#71717a;--accent:#e5e7eb;--danger:#fca5a5;--shadow:0 24px 80px #00000047;background:#101114;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:radial-gradient(circle at top, #50535f47, transparent 34rem), var(--bg);min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{-webkit-tap-highlight-color:transparent}#root{min-height:100vh}.app-header,.screen{width:min(100%,520px);margin:0 auto}.app-header{padding:calc(env(safe-area-inset-top) + 20px) 20px 10px;justify-content:space-between;align-items:center;display:flex}.app-header h1,.hero-card h1,.finish-panel h1{letter-spacing:-.04em;margin:4px 0 0}.screen{padding:18px 20px calc(env(safe-area-inset-bottom) + 24px)}.home-screen{gap:18px;display:grid}.stack-screen,.countdown-screen{gap:16px;display:grid}.hero-card,.panel,.timer-card,.rule-card,.brainlock-card,.core-line-card,.metric-card,.summary-line{border:1px solid var(--border);box-shadow:var(--shadow);background:#181a1fe0;border-radius:28px}.hero-card{flex-direction:column;justify-content:space-between;min-height:420px;padding:28px;display:flex}.hero-copy{gap:12px;display:grid}.eyebrow{color:var(--subtle);letter-spacing:.12em;text-transform:uppercase;margin:0;font-size:.78rem;font-weight:700}h1,h2,p{margin:0}h1{font-size:clamp(2.15rem,8vw,3.4rem);line-height:.98}h2{font-size:1rem;line-height:1.4}.muted,.hint{color:var(--muted);line-height:1.65}.hint{margin-top:14px;font-size:.88rem}.primary-button,.secondary-button,.danger-button,.text-button,.icon-button,.choice,.stat-tile{cursor:pointer;border:0}.primary-button{background:var(--accent);color:#111827;letter-spacing:-.02em;border-radius:18px;width:100%;min-height:58px;font-weight:800}.primary-button:disabled{cursor:not-allowed;opacity:.45}.secondary-button,.danger-button{min-height:48px;color:var(--text);border:1px solid var(--border);background:#242730;border-radius:16px;padding:0 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strong{color:var(--muted);font-size:.95rem}.panel{gap:14px;padding:20px;display:grid}.segmented-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.segmented-grid.two{grid-template-columns:repeat(2,1fr)}.choice{min-height:52px;color:var(--muted);border:1px solid var(--border);background:#242730;border-radius:16px;font-weight:800}.choice.selected{color:#111827;background:#f4f4f5;border-color:#f4f4f5}.sticky-action{bottom:calc(env(safe-area-inset-bottom) + 16px);position:sticky}.summary-line{gap:10px;padding:12px;display:flex}.summary-line span{color:var(--muted);text-align:center;background:#242730;border-radius:14px;flex:1;padding:11px 10px;font-weight:800}.brainlock-card,.core-line-card{padding:22px}.brainlock-card{color:var(--muted);gap:12px;line-height:1.55;display:grid}.core-line-card{align-content:center;gap:12px;min-height:220px;display:grid}.core-line-card h2,.timer-card h2{letter-spacing:-.05em;font-size:clamp(1.8rem,7vw,3rem);line-height:1.05}.countdown-screen{align-content:center;min-height:100vh}.timer-card{gap:18px;padding:28px;display:grid}.timer{font-variant-numeric:tabular-nums;letter-spacing:-.08em;font-size:clamp(4rem,22vw,7.5rem);font-weight:850;line-height:.9}.rule-card{color:var(--muted);gap:10px;padding:20px;line-height:1.6;display:grid}.finish-panel{align-content:center;min-height:180px}.data-lines{color:var(--muted);gap:8px;display:grid}.button-row{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.file-button{cursor:pointer;justify-content:center;align-items:center;display:inline-flex}.file-button input{display:none}@media (width<=380px){.compact-stats,.stats-grid,.segmented-grid,.segmented-grid.two,.button-row{grid-template-columns:1fr}.hero-card{min-height:360px}}.app-header h1,.hero-card h1{white-space:nowrap;word-break:keep-all}.app-header h1{letter-spacing:-.04em;font-size:clamp(1.05rem,4.2vw,1.35rem);line-height:1.1}.hero-card h1{letter-spacing:-.05em;font-size:clamp(1.75rem,8.2vw,3rem);line-height:1.02}.top-bar .text-button{border:1px solid var(--border);min-height:40px;color:var(--text);background:#181a1fb8;border-radius:999px;justify-self:start;padding:0 14px;font-weight:800}.top-bar .text-button:active{background:#242730;transform:translateY(1px)}@media (width<=360px){.hero-card h1{font-size:1.62rem}.app-header h1{font-size:1rem}}.uncertainty-copy{line-height:1.18}.hero-description{line-height:1.7}.uncertainty-copy{letter-spacing:-.015em;text-align:left;width:100%;margin:0;font-size:clamp(1.12rem,4.6vw,1.48rem);font-weight:760;line-height:1.58}.core-line-card .uncertainty-copy{margin-bottom:14px}.timer-card .uncertainty-copy{margin-top:16px;margin-bottom:12px}.core-line-card p,.timer-card .muted{text-align:left;margin-top:0}@media (width<=390px){.uncertainty-copy{font-size:1.08rem;line-height:1.62}}