:root{color-scheme:dark;--navy-950: #0b192b;--navy-900: #0e2036;--navy-850: #102640;--navy-800: #152d48;--navy-700: #29405b;--blue-300: #a1b3c9;--paper-100: #e9eff5;--yellow-400: #f5cf55;--yellow-300: #ffe083;--color-bg: var(--navy-950);--color-surface: var(--navy-900);--color-board: var(--navy-850);--color-hover: var(--navy-800);--color-line: var(--navy-700);--color-text: var(--paper-100);--color-muted: var(--blue-300);--color-accent: var(--yellow-400);--color-accent-hover: var(--yellow-300);--color-on-accent: var(--navy-950);--color-focus: var(--paper-100);--font-body: "Trebuchet MS", Arial, sans-serif;--font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;--text-xs: .6875rem;--text-sm: .8125rem;--text-body: .9375rem;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);font-synthesis:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:280px}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.4}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible{outline:3px solid var(--color-focus);outline-offset:4px}button:focus-visible{position:relative;z-index:5}::selection{background:var(--color-accent);color:var(--color-on-accent)}h1,h2,h3,p{margin:0}p{line-height:1.6;text-wrap:pretty}svg{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.mono{font-family:var(--font-mono)}.shell{max-width:1224px;margin:auto;padding:0 var(--space-7)}.site-header{min-height:100px;display:flex;align-items:center;gap:var(--space-6);border-bottom:1px solid var(--color-line)}.wordmark{display:flex;align-items:center;gap:var(--space-3);color:var(--color-text);text-decoration:none;font-size:1.65rem;font-weight:700;letter-spacing:-.07em}.wordmark svg{width:28px;height:34px;color:var(--color-accent);stroke-width:2}.brand-dot{color:var(--color-accent)}.header-note,.edition{font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.1em;color:var(--color-muted)}.header-note{border-inline-start:1px solid var(--color-line);padding-inline-start:var(--space-6)}.edition{margin-inline-start:auto;display:flex;align-items:center;gap:var(--space-2)}.status-dot{width:5px;height:5px;border-radius:50%;background:var(--color-accent)}.intro{display:flex;align-items:end;justify-content:space-between;gap:var(--space-5);padding:39px 0 30px}.eyebrow{font-size:var(--text-xs);line-height:1.5;text-transform:uppercase;letter-spacing:.12em;color:var(--color-muted)}h1{font-size:clamp(2rem,4.2vw,3rem);font-weight:500;letter-spacing:-.045em;line-height:1.1;margin-top:var(--space-3);text-wrap:balance}.intro-note{color:var(--color-muted);font-size:var(--text-sm);padding-bottom:3px}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;grid-template-areas:"game scores" "game notes";gap:var(--space-5);align-items:start}.game-card{grid-area:game;min-width:0;border:1px solid var(--color-line);border-radius:8px;overflow:clip;background:var(--color-surface)}.game-toolbar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);padding:8px 14px 8px 20px;border-bottom:1px solid var(--color-line)}.site-label{font-size:var(--text-xs);letter-spacing:.025em;display:flex;align-items:center;gap:9px;color:var(--color-muted)}.crosshair{color:var(--color-accent);font-size:1.25rem}.toolbar-divider{color:var(--color-muted);margin-inline:2px}.tools{display:flex;gap:var(--space-2)}.icon-button{display:grid;place-items:center;border:1px solid var(--color-line);border-radius:4px;background:transparent;width:40px;min-height:40px}.icon-button svg{width:18px;height:18px}.scene-wrap{position:relative;background:var(--color-board)}.playfield{display:block;padding:0;border:0;width:100%;height:480px;min-height:30rem;background:transparent;text-align:inherit}.playfield:focus-visible{outline-offset:-5px;z-index:auto}canvas{display:block;width:100%;height:100%}.scene-caption,.ground-label{pointer-events:none;position:absolute;inset-inline:22px;display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;color:var(--color-muted);font-size:var(--text-xs);letter-spacing:.04em;text-transform:uppercase}.scene-caption{top:19px}.ground-label{bottom:19px}.scene-message{pointer-events:none;position:absolute;top:48%;inset-inline:16px;text-align:center}.message-tag{color:var(--color-muted);font-size:var(--text-xs);letter-spacing:.12em;text-transform:uppercase}.scene-message h2{font-weight:500;font-size:2rem;line-height:1.15;letter-spacing:-.035em;margin-block:12px;text-wrap:balance}.scene-message p{font-size:var(--text-sm);color:var(--color-muted)}.scene-message.is-status{top:50%;transform:translateY(-25%);width:min(360px,calc(100% - 40px));margin-inline:auto;padding:22px;border:1px solid var(--color-line);border-radius:6px;background:var(--color-surface)}.scene-message.is-status h2{font-size:1.65rem}.scene-message[hidden],.placement[hidden]{display:none}.placement{position:absolute;top:50%;inset-inline:0;text-align:center;color:var(--color-accent);font-family:var(--font-mono);font-size:var(--text-sm);pointer-events:none}.game-controls{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:20px 22px;border-top:1px solid var(--color-line)}.primary-button{display:flex;align-items:center;justify-content:center;gap:10px;min-height:50px;min-width:220px;border:0;border-radius:4px;padding:12px 20px;background:var(--color-accent);color:var(--color-on-accent);font-size:var(--text-body);font-weight:700}.primary-button svg{width:19px;height:19px;stroke-width:1.9}.button-arrow{margin-inline-start:auto;padding-inline-start:25px;font-size:1.2rem}.control-hint{color:var(--color-muted);font-size:var(--text-sm);white-space:nowrap}kbd{font-family:var(--font-mono);font-size:.7rem;font-weight:400;padding:4px 7px;border:1px solid var(--color-line);border-radius:3px;margin-inline-start:4px;color:var(--color-text);background:var(--color-surface)}.score-card{grid-area:scores;padding:24px 24px 17px;border:1px solid var(--color-line);border-radius:8px;background:var(--color-surface)}.score-current{min-width:0}.score-value{display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--space-3);margin-top:6px}#score{font-size:4.7rem;font-weight:400;letter-spacing:-.055em;line-height:1.1;font-variant-numeric:tabular-nums;white-space:nowrap}.score-unit{color:var(--color-muted);font-size:var(--text-sm)}.score-note{color:var(--color-muted);font-size:.75rem;margin-top:6px}.best-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-2);border-top:1px solid var(--color-line);padding-top:18px;margin-top:22px}.best-label{font-size:var(--text-sm);display:flex;align-items:center;gap:var(--space-2)}.best-label svg{width:17px;height:17px;color:var(--color-accent)}#best{font-size:1.25rem;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.storage-note{color:var(--color-muted);font-size:var(--text-xs);padding-inline-start:25px;margin-top:6px}.notes-card{grid-area:notes;padding:0 4px}.notes-heading{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2)}.notes-heading h2{font-size:var(--text-body);font-weight:700;letter-spacing:-.015em}.notes-heading>span{font-size:var(--text-xs);color:var(--color-muted)}ol{list-style:none;margin:22px 0 0;padding:0}li{display:flex;gap:14px;margin-bottom:20px}.step{color:var(--color-muted);font-size:var(--text-xs);padding-top:3px}h3{font-size:var(--text-sm);font-weight:700;line-height:1.5}li p{color:var(--color-muted);font-size:.75rem;margin-top:4px;line-height:1.6}.tip{border-top:1px solid var(--color-line);display:flex;gap:var(--space-3);padding-top:16px;align-items:center}.tip-symbol{color:var(--color-accent);font-size:1.2rem}.tip p{font-size:.75rem;color:var(--color-muted)}footer{display:flex;justify-content:space-between;align-items:center;gap:var(--space-5);padding-block:27px;margin-top:18px;color:var(--color-muted);font-size:var(--text-xs)}footer>.mono{letter-spacing:.025em}.footer-controls{display:flex;align-items:center;gap:4px}.footer-plus{margin-inline-start:25px;font-size:1.25rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}@media(hover:hover){.icon-button:hover:not(:disabled){background:var(--color-hover);border-color:var(--color-muted)}.primary-button:hover:not(:disabled){background:var(--color-accent-hover)}.wordmark:hover{color:var(--color-accent)}}@media(prefers-reduced-motion:no-preference){.primary-button,.icon-button{transition:background-color .15s,transform .15s cubic-bezier(.2,0,0,1)}.primary-button:active:not(:disabled),.icon-button:active:not(:disabled){transform:scale(.96)}}@media(max-width:65rem){.shell{padding-inline:28px}.game-layout{grid-template-columns:minmax(0,1fr) 250px;gap:20px}.header-note{display:none}.game-controls{padding:18px;gap:var(--space-3)}.primary-button{min-width:180px}.button-arrow{padding-inline-start:12px}}@media(max-width:49rem){.shell{max-width:640px;padding-inline:24px}.site-header{min-height:80px}.intro{padding-block:28px 24px}.intro-note{display:none}h1{font-size:clamp(1.9rem,5.8vw,2.6rem)}.game-layout{grid-template-columns:minmax(0,1fr);grid-template-areas:"scores" "game" "notes";gap:18px}.score-card{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-4);padding:15px 20px}.score-value{gap:var(--space-2);margin-top:4px}#score{font-size:2.4rem}.score-note,.storage-note{display:none}.score-card:has(.storage-note.is-warning){flex-wrap:wrap}.storage-note.is-warning{display:block;flex-basis:100%;padding:0;margin:0}.best-row{margin:0;padding:0;border:0;flex-direction:column;align-items:end;gap:6px}.best-label{font-size:.75rem}#best{font-size:1.5rem}.playfield{height:405px;min-height:25.3125rem}.notes-card{padding:12px 4px 0}ol{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}li{display:block;margin:0}.step{display:block;margin-bottom:7px}.tip{margin-top:24px}footer{margin-top:5px;font-size:.625rem}.footer-controls{display:none}.icon-button{min-width:44px;min-height:44px}}@media(max-width:27rem){.shell{padding-inline:16px}.site-header{min-height:72px;flex-wrap:wrap;row-gap:8px;padding-block:14px}.wordmark{font-size:1.5rem}.edition{font-size:.5625rem;letter-spacing:.045em}.edition .status-dot{display:none}.intro{padding-block:25px 21px}.eyebrow{font-size:.625rem}.game-toolbar{padding:8px 10px}.site-label{font-size:.625rem;gap:6px}.site-label .crosshair,.toolbar-divider{display:none}.site-label{flex-wrap:wrap;max-width:165px}.playfield{height:365px;min-height:22.8125rem}.scene-caption,.ground-label{inset-inline:15px;font-size:.5625rem}.scene-message{top:46%}.scene-message h2{font-size:1.75rem}.scene-message p{font-size:.75rem}.game-controls{padding:14px;gap:var(--space-2);flex-wrap:wrap}.primary-button{min-width:0;flex:1;padding-inline:14px}.button-arrow{display:none}.control-hint{font-size:.6875rem}.control-hint kbd{margin-inline-start:1px;font-size:.625rem;padding:4px}ol{display:block}li{display:flex;margin-bottom:18px;gap:var(--space-4)}.step{margin:0}li p{font-size:var(--text-sm)}.notes-heading h2{font-size:1rem}.score-card{padding:14px 17px}}@media(forced-colors:active){button,.game-card,.score-card{border:1px solid ButtonText}button:focus-visible,a:focus-visible{outline-color:Highlight}canvas{forced-color-adjust:none}}