:root{--bg: #0f1220;--bg-2: #14182a;--panel: #1b2036;--panel-2: #232a45;--line: #2c3352;--ink: #eef1f8;--ink-soft: #9aa3bd;--ink-dim: #6b7392;--accent: #7c83ff;--accent-ink: #ffffff;--yes: #3fb950;--yes-dim: #1f7a37;--no: #74809c;--warn: #f2c14e;--lose: #e5484d;--radius: 16px;--radius-sm: 11px;--shadow: 0 8px 30px rgba(0, 0, 0, .35);--maxw: 540px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:radial-gradient(1200px 600px at 50% -10%,#1a2036 0%,var(--bg) 55%);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji",sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overscroll-behavior-y:none}h1,h2{margin:0;font-weight:750;letter-spacing:-.02em}.app{max-width:var(--maxw);margin:0 auto;padding:0 16px calc(40px + env(safe-area-inset-bottom));min-height:100vh}.app-loading,.loading{display:grid;place-items:center;min-height:60vh;color:var(--ink-soft);font-size:28px}.app-header{position:sticky;top:0;z-index:20;background:linear-gradient(var(--bg) 70%,rgba(15,18,32,.7));-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding-top:calc(12px + env(safe-area-inset-top))}.header-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px 0 10px}.brand{display:flex;flex-direction:column;cursor:pointer;line-height:1}.brand-name{font-size:26px;font-weight:800;letter-spacing:.12em}.brand-tag{font-size:12.5px;color:var(--ink-soft);margin-top:4px}.header-actions{display:flex;gap:8px}.app-nav{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;padding-bottom:10px;border-bottom:1px solid var(--line)}.app-nav::-webkit-scrollbar{display:none}.nav-item{flex:0 0 auto;border:none;background:transparent;color:var(--ink-soft);font-size:14.5px;font-weight:600;padding:8px 12px;border-radius:999px;cursor:pointer;transition:all .15s}.nav-item.active{background:var(--panel-2);color:var(--ink)}.app-main{padding-top:18px;animation:fade .25s ease}@keyframes fade{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.btn{border:1px solid transparent;border-radius:var(--radius-sm);font-family:inherit;font-size:16px;font-weight:700;padding:13px 18px;cursor:pointer;transition:transform .08s,background .15s,opacity .15s;color:var(--ink);background:var(--panel-2)}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-soft)}.btn-commit{width:100%;margin-top:16px;background:transparent;border:1px dashed var(--accent);color:var(--accent)}.btn-tiny{padding:7px 11px;font-size:13px;border-radius:999px;background:var(--panel);border:1px solid var(--line);color:var(--ink-soft)}.btn-share{width:100%}.card-view{width:100%;height:100%;display:block}.given-board{display:flex;gap:12px;margin-bottom:22px}.given-group{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px}.given-yes{flex:3}.given-no{flex:1.15;border-color:#e5484d66}.given-caption{font-size:12px;font-weight:700;color:var(--ink-soft);margin-bottom:10px;display:flex;align-items:center;gap:5px}.tick{color:var(--yes)}.cross{color:var(--lose)}.given-cards{display:flex;gap:8px}.given-card{flex:1;aspect-ratio:1;background:var(--bg-2);border-radius:12px;padding:6px;border:1px solid var(--line)}.given-card.is-negative{border-color:#e5484d73;background:#e5484d0f}.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px}.section-head h2{font-size:18px}.probe-counter{font-size:13px;font-weight:700;color:var(--ink-soft);background:var(--panel);border:1px solid var(--line);padding:4px 10px;border-radius:999px}.probe-counter.low{color:var(--warn);border-color:#f2c14e66}.builder{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.builder-preview{display:grid;place-items:center;margin-bottom:14px}.preview-card{width:128px;height:128px;background:var(--bg-2);border:1px solid var(--line);border-radius:16px;padding:12px}.builder-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-top:1px solid var(--line)}.builder-label{width:62px;font-size:13px;font-weight:700;color:var(--ink-soft);flex:0 0 auto}.builder-options{display:flex;gap:8px;flex:1}.opt{flex:1;aspect-ratio:1;max-height:52px;border:1.5px solid var(--line);background:var(--bg-2);border-radius:12px;display:grid;place-items:center;cursor:pointer;padding:6px;transition:all .12s;color:var(--ink)}.opt.active{border-color:var(--accent);background:#7c83ff24;box-shadow:0 0 0 1px var(--accent) inset}.opt:disabled{opacity:.5}.mini{width:100%;height:100%}.swatch{width:22px;height:22px;border-radius:50%;border:1.5px solid rgba(0,0,0,.25)}.count-num{font-size:20px;font-weight:800}.probe-submit{width:100%;margin-top:14px}.probe-note{color:var(--warn);font-size:13px;margin-top:8px;text-align:center}.probe-history{margin-top:20px}.probe-history-head{font-size:12px;font-weight:700;color:var(--ink-soft);margin-bottom:10px;text-transform:uppercase;letter-spacing:.05em}.probe-empty{color:var(--ink-dim);font-size:14px}.probe-list{display:flex;flex-wrap:wrap;gap:10px}.probe-chip{width:62px;border-radius:12px;padding:6px;border:1px solid var(--line);background:var(--panel);text-align:center}.probe-chip.yes{border-color:var(--yes-dim)}.probe-chip.no{border-color:var(--line);opacity:.85}.probe-thumb{width:100%;aspect-ratio:1;background:var(--bg-2);border-radius:8px}.probe-verdict{display:block;font-size:11px;font-weight:800;margin-top:4px;letter-spacing:.05em}.probe-chip.yes .probe-verdict{color:var(--yes)}.probe-chip.no .probe-verdict{color:var(--no)}.commit-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}.commit-head h2{font-size:19px}.commit-sub{color:var(--ink-soft);font-size:14px;margin:6px 0 16px}.commit-options{display:flex;flex-direction:column;gap:10px}.commit-option{display:flex;align-items:center;gap:12px;text-align:left;background:var(--bg-2);border:1.5px solid var(--line);border-radius:12px;padding:15px 14px;cursor:pointer;color:var(--ink);font-size:15.5px;font-weight:600;line-height:1.35;transition:all .12s}.commit-option.selected{border-color:var(--accent);background:#7c83ff1f}.commit-radio{width:20px;height:20px;border-radius:50%;border:2px solid var(--ink-dim);flex:0 0 auto;transition:all .12s}.commit-option.selected .commit-radio{border-color:var(--accent);background:radial-gradient(circle,var(--accent) 40%,transparent 46%)}.commit-actions{display:flex;gap:10px;margin-top:18px}.commit-actions .btn{flex:1}.reveal{animation:fade .3s ease}.reveal-verdict{text-align:center;margin-bottom:22px}.reveal-emoji{font-size:52px;line-height:1}.reveal-verdict h1{font-size:30px;margin-top:8px}.reveal-streak{display:inline-block;margin-top:10px;font-size:13px;font-weight:700;color:var(--warn);background:#f2c14e1f;padding:5px 12px;border-radius:999px}.reveal-rule{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;text-align:center;margin-bottom:18px}.reveal-rule-label{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);margin-bottom:6px}.reveal-rule-text{font-size:20px;font-weight:750;letter-spacing:-.01em}.reveal-picked{margin-top:10px;font-size:14px;color:var(--lose)}.reveal-picked em{color:var(--ink-soft);font-style:italic}.reveal-twist{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:18px}.reveal-twist h2{font-size:17px;margin-bottom:14px}.twist-grid{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.twist-chip{position:relative;width:46px;height:46px;border-radius:10px;padding:5px;background:var(--bg-2);border:1.5px solid var(--line)}.twist-chip.confirmatory{border-color:var(--ink-dim)}.twist-chip.falsifying{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}.twist-thumb{width:100%;height:100%}.twist-dot{position:absolute;right:-3px;top:-3px;width:12px;height:12px;border-radius:50%;border:2px solid var(--panel)}.twist-dot.yes{background:var(--yes)}.twist-dot.no{background:var(--no)}.twist-line{font-size:15.5px;font-weight:650;margin:6px 0}.twist-flavour{font-size:14px;color:var(--accent);margin:0 0 14px}.twist-pop{border-top:1px solid var(--line);padding-top:12px;font-size:14px;color:var(--ink-soft)}.twist-pop p{margin:4px 0}.twist-pop-rate{color:var(--ink);font-weight:600}.reveal-actions{display:flex;flex-direction:column;gap:12px}.reveal-next{text-align:center;color:var(--ink-soft);font-size:14px;margin:4px 0 0}.stats-view h1,.archive-view h1,.howto-view h1{font-size:24px;margin-bottom:16px}.stat-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:26px}.stat-tile{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 8px;text-align:center}.stat-value{font-size:26px;font-weight:800}.stat-label{font-size:11.5px;color:var(--ink-soft);margin-top:4px}.dist-title{font-size:15px;color:var(--ink-soft);margin-bottom:12px}.dist{display:flex;flex-direction:column;gap:6px}.dist-row{display:flex;align-items:center;gap:10px}.dist-key{width:14px;text-align:center;font-weight:700;color:var(--ink-soft);font-size:13px}.dist-bar-track{flex:1}.dist-bar{background:var(--accent);min-width:26px;height:24px;border-radius:6px;display:flex;align-items:center;justify-content:flex-end;padding-right:8px;color:#fff;font-size:12px;font-weight:700;transition:width .4s ease}.empty-note{color:var(--ink-soft)}.archive-sub{color:var(--ink-soft);margin:-8px 0 18px;font-size:14px}.archive-list{display:flex;flex-direction:column;gap:8px}.archive-item{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px;cursor:pointer;color:var(--ink);text-align:left}.archive-item.solved{border-color:var(--yes-dim)}.archive-item.failed{border-color:#e5484d66}.archive-day{font-weight:700;font-size:15px}.archive-today-tag{color:var(--accent);font-weight:700}.archive-date{margin-left:auto;color:var(--ink-soft);font-size:13px}.archive-status{font-weight:800;width:20px;text-align:center}.archive-status.solved{color:var(--yes)}.archive-status.failed{color:var(--lose)}.archive-status.new{color:var(--ink-dim)}.back-btn{margin-bottom:12px;padding:8px 14px}.howto-steps{padding-left:20px;display:flex;flex-direction:column;gap:14px;margin:0 0 24px}.howto-steps li{font-size:16px;line-height:1.4}.howto-key{color:var(--accent);font-weight:650}.howto-actions{display:flex;flex-direction:column;gap:10px}.tutorial-banner{background:linear-gradient(135deg,#7c83ff2e,#7c83ff0f);border:1px solid rgba(124,131,255,.4);border-radius:12px;padding:14px 16px;font-size:15px;font-weight:600;line-height:1.4;margin-bottom:18px}.practice-wrap,.archive-play{position:relative}.practice-tag{display:inline-block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-soft);background:var(--panel);border:1px solid var(--line);padding:5px 11px;border-radius:999px;margin-bottom:14px}@media (min-width: 560px){.preview-card{width:148px;height:148px}.reveal-rule-text{font-size:22px}}