:root{color-scheme:light dark;--bg: #faf6f1;--surface: #ffffff;--text: #2b1d14;--muted: #7a6a5e;--accent: #8b5a2b;--accent-contrast: #ffffff;--border: #e6dcd2;--danger: #b3261e;--ok: #2e7d32;--warn: #b26a00;--radius: 14px;font-family:system-ui,-apple-system,Segoe UI,Noto Sans Thai,sans-serif;line-height:1.4}@media(prefers-color-scheme:dark){:root{--bg: #17110d;--surface: #221a14;--text: #f3ebe3;--muted: #a8988b;--accent: #d9a066;--accent-contrast: #1a120c;--border: #3a2e25;--danger: #f2b8b5;--ok: #81c784;--warn: #ffb74d}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:disabled{opacity:.4;cursor:default}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app{max-width:480px;margin:0 auto;padding:max(16px,env(safe-area-inset-top)) 16px max(24px,env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:16px}.app-header{display:flex;align-items:center;justify-content:space-between}.app-header h1{font-size:1.25rem;margin:0;display:flex;align-items:center;gap:6px}.icon{width:1.2em;height:1.2em;flex:none;vertical-align:-.25em}.app-header h1 .icon{color:var(--accent)}.lang-toggle{display:flex;border:1px solid var(--border);border-radius:999px;overflow:hidden}.lang-toggle button{border:0;background:transparent;padding:6px 12px;font-size:.85rem}.lang-toggle button[aria-pressed=true]{background:var(--accent);color:var(--accent-contrast)}.methods{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}.chip{flex:none;border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:8px 14px;white-space:nowrap}.chip[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast)}.calc{display:grid;grid-template-columns:1fr auto 1fr;align-items:start;gap:8px}.calc-swap{padding-top:40px;color:var(--muted);font-size:1.25rem}.field{display:flex;flex-direction:column;gap:4px;min-width:0}.field label{font-size:.85rem;color:var(--muted)}.field input{width:100%;font-size:2rem;font-variant-numeric:tabular-nums;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text)}.field input[aria-invalid=true]{border-color:var(--danger)}.field-error{margin:0;font-size:.8rem;color:var(--danger)}.ratio{display:flex;align-items:center;gap:8px}.ratio-label{color:var(--muted);margin-right:auto}.ratio-value{min-width:4.5ch;text-align:center;font-size:1.25rem;font-variant-numeric:tabular-nums}.icon-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:var(--surface);font-size:1.25rem;display:inline-flex;align-items:center;justify-content:center;padding:0;color:var(--text)}.guide{margin:0;display:grid;gap:8px;padding:12px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.guide div{display:flex;justify-content:space-between;gap:12px}.guide dt{color:var(--muted);display:flex;align-items:center;gap:6px}.guide dd{margin:0;text-align:right}.steps h2{font-size:1rem;margin:0 0 8px}.steps ol{list-style:none;margin:0;padding:0;display:grid;gap:6px}.steps li{display:flex;gap:10px;align-items:baseline}.step-time{font-variant-numeric:tabular-nums;color:var(--muted);min-width:3.5ch}.step-target{margin-left:auto;font-variant-numeric:tabular-nums}.muted{color:var(--muted);margin:0}.start{border:0;border-radius:var(--radius);background:var(--accent);color:var(--accent-contrast);font-size:1.15rem;font-weight:600;padding:16px;display:flex;align-items:center;justify-content:center;gap:8px}.overlay{position:fixed;inset:0;z-index:10;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:max(24px,env(safe-area-inset-top)) 16px max(24px,env(safe-area-inset-bottom));text-align:center}.timer-time{margin:0;font-size:clamp(4rem,22vw,6rem);font-weight:700;font-variant-numeric:tabular-nums}.timer-label{margin:0;font-size:1.25rem}.timer-target{margin:0;font-size:clamp(2rem,11vw,3rem);font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}.timer-next{margin:0;color:var(--muted)}.progress{width:100%;max-width:420px;height:8px;border-radius:999px;background:var(--border);overflow:hidden}.progress-bar{height:100%;background:var(--accent);transition:width .2s linear}.timer-controls{display:flex;gap:20px;margin-top:16px}.icon-btn.big{width:64px;height:64px;font-size:1.5rem}.icon-btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast)}.shot-badge{margin:0;padding:6px 14px;border-radius:999px;font-weight:600;border:2px solid currentColor}.shot-before{color:var(--warn)}.shot-within{color:var(--ok)}.shot-over{color:var(--danger)}.update-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;border-radius:var(--radius);background:var(--accent);color:var(--accent-contrast)}.update-banner button{border:0;border-radius:999px;padding:6px 14px;background:var(--accent-contrast);color:var(--accent);font-weight:600}