:root{--bg: #FAF7F0;--panel: #EFEBE1;--on: #E0DCD2;--line: #E0DCD2;--fg: #1B1B1F;--fg-2: #33333A;--fg-3: #55555C;--gold: #1B1B1F;--head: "Space Grotesk", system-ui, sans-serif;--body: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;--ease: cubic-bezier(.32, .72, 0, 1);color-scheme:light}*,*:before,*:after{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;background:var(--bg);color:var(--fg)}body{font:16px/1.4 var(--body);-webkit-tap-highlight-color:transparent;overscroll-behavior:none}button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}a{color:inherit}:focus-visible{outline:2px solid var(--gold);outline-offset:2px}.tap{transition:transform .12s var(--ease)}.tap:active{transform:scale(.97)}.app{max-width:480px;margin:0 auto;height:100dvh;display:flex;flex-direction:column;padding-top:env(safe-area-inset-top,0)}.hdr{flex:none;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:6px 8px 0}.iconbtn{width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:var(--fg-3)}.mark{display:flex;align-items:center;gap:8px;font:700 28px/1 var(--head);color:var(--gold)}.mark em{padding:3px 7px;border-radius:999px;background:var(--panel);color:var(--fg-2);font:700 11px/1 var(--body);font-style:normal}.counter{justify-self:end;padding-right:12px;font-size:13px;font-weight:700;color:var(--fg-3)}.main{flex:1;min-height:0;overflow-y:auto;padding:8px 16px 20px;display:flex;flex-direction:column;gap:14px}.intro{margin:0;text-align:center;font-size:14px;line-height:1.4;color:var(--fg-3)}.stage{position:relative;display:flex;justify-content:center}.begin{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);padding:0 28px}.begin.tap:active{transform:translate(-50%,-50%) scale(.97)}.grid{width:min(100%,360px);aspect-ratio:1;display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:1fr;gap:2px;padding:3px;border-radius:10px;background:#1b1b1f;user-select:none;-webkit-user-select:none}.c{display:flex;align-items:center;justify-content:center;font:700 30px/1 var(--head);color:#1b1b1f}.c.no{background:#d8d5ce!important;color:#8d8a84;font-size:18px}.checks{display:flex;gap:6px}.checks div{flex:1;padding:6px 4px;border-radius:10px;background:var(--panel);text-align:center;font-size:12px;font-weight:700}.checks b{display:block;font:700 17px var(--head)}.note{min-height:42px;margin:0;text-align:center;font-size:15px;line-height:1.35;font-weight:700;color:#c3241b}.help{min-height:44px;padding:0 2px;font-size:13px;font-weight:700;text-decoration:underline;color:var(--fg)}.howto{position:fixed;inset:0;z-index:10;max-width:480px;margin:0 auto;overflow-y:auto;padding:max(28px,env(safe-area-inset-top)) 20px 24px;display:flex;flex-direction:column;gap:10px;background:var(--bg)}.howto h2{margin:0;font:700 30px/1 var(--head)}.lead{margin:0;font-size:18px;font-weight:700}.sub{margin:0;font-size:15px;line-height:1.4;color:var(--fg-3)}.rule{display:flex;align-items:center;gap:14px;padding:10px 12px;border-radius:12px;background:#fff;font-size:16px;line-height:1.3;font-weight:600}.mini{flex:none;display:grid;grid-template-columns:repeat(3,20px);grid-auto-rows:20px;gap:1px;padding:1px;background:#1b1b1f}.mini i{display:flex;align-items:center;justify-content:center;font-size:13px;font-style:normal;color:#1b1b1f}.mark em{background:#1b1b1f;color:#faf7f0}.grid.wait{filter:blur(7px);opacity:.5}.foot{flex:none;padding:10px 16px max(16px,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--bg);display:flex;flex-direction:column;gap:6px}.status{display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:600;color:var(--fg-2)}.clock{font:700 24px/1 var(--head);font-variant-numeric:tabular-nums}.primary{min-height:52px;border-radius:12px;background:#1b1b1f;color:#faf7f0;font-size:16px;font-weight:800}.ghost{min-height:44px;color:var(--fg-3);font-size:14px;font-weight:600}.result{display:flex;flex-direction:column;gap:10px}.big{text-align:center;font:700 52px/1 var(--head);color:var(--gold)}.pct{margin:0;text-align:center;font-size:14px;color:var(--fg-2)}.sharebox{padding:14px;border-radius:12px;border:1px dashed var(--fg-3);display:flex;flex-direction:column;gap:4px;font-size:15px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--fg-3)}.muted{color:var(--fg-3);font-size:13px}.loading{color:var(--fg-2);text-align:center;padding:40px 0}.toast{position:fixed;left:50%;bottom:110px;transform:translate(-50%,20px);opacity:0;padding:10px 16px;border-radius:999px;background:var(--fg);color:var(--bg);font-weight:700;font-size:14px;pointer-events:none;transition:opacity .2s,transform .2s}.toast.on{opacity:1;transform:translate(-50%)}