:root{color-scheme:light;--paper:#f4efe6;--card:#fffdf8;--ink:#2a2f3a;--muted:#6f6878;--line:#e2dccd;--green:#1f6b4b;--amber:#c27f22;--gold:#e7c25a;--re-bg:var(--card);--re-ink:var(--ink);--re-muted:var(--muted);--re-line:var(--line);--re-accent:var(--green)}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,sans-serif}[hidden]{display:none!important}button{font:inherit;color:inherit;min-height:44px;border:1px solid var(--line);border-radius:9px;background:var(--card);padding:8px 12px;cursor:pointer;touch-action:manipulation}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible{outline:3px solid var(--amber);outline-offset:3px}a{color:var(--green)}
.shell{max-width:1280px;margin:auto;padding:24px 32px 10px}header{display:flex;gap:12px;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px}.brand{display:inline-flex;align-items:center;min-height:44px;font-size:16px;font-weight:800;letter-spacing:2px;text-decoration:none;color:var(--ink)}.brand span{color:var(--amber)}.utilities{display:flex;gap:6px;flex-wrap:wrap}.utilities button{font-size:13px}.heading{margin:30px 0 22px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--green);font-weight:800}h1{font-size:clamp(36px,6vw,60px);letter-spacing:-2px;margin:0;line-height:1.1}h1 span{color:var(--green)}.howto{color:var(--muted);line-height:1.5}.layout{max-width:1140px;margin:auto}.lab{position:relative;border:1px solid var(--line);border-radius:20px;background:var(--card);padding:20px;box-shadow:0 12px 40px #3a2f1a08}
.game-area{scroll-margin-top:76px;width:min(100%,620px);margin:auto}
/* Level picker: one button per disk count, with the best stars earned on it. */
.levels{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}.level{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:4px 2px;min-width:0;font-weight:800;line-height:1.1}.level small{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:1px}.level small .on{color:var(--amber)}.level[aria-pressed="true"]{background:#243d37;border-color:#243d37;color:#fff8e6}.level[aria-pressed="true"] small{color:#cfc7b4}.level[aria-pressed="true"] small .on{color:var(--gold)}
.hud{display:grid;grid-template-columns:repeat(3,1fr);margin:14px 0;padding:10px 0;border-block:1px solid var(--line);text-align:center}.hud small{font-size:12px;color:var(--muted)}.hud strong{display:block;font-size:22px;font-variant-numeric:tabular-nums;margin-top:4px}
/* The rack has a fixed height, so changing level never shifts the page. */
.field{position:relative;border-radius:16px;background:radial-gradient(120% 90% at 50% 0,#2f4f47,#1d302b);padding:10px 8px 0;box-shadow:inset 0 0 0 3px #b98a3e,inset 0 0 0 5px #5c4524}
.pegs{--n:3;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;height:280px;container-type:size;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;touch-action:none}
.peg{position:relative;display:flex;flex-direction:column-reverse;align-items:center;justify-content:flex-start;gap:2px;height:100%;min-height:0;padding:0 0 22px;border:0;border-radius:12px 12px 0 0;background:none;color:#fff8e6}
/* Glass rod, brass base and peg letter. */
.peg::before{content:"";position:absolute;left:50%;bottom:22px;width:10px;height:calc(100% - 52px);transform:translateX(-50%);border-radius:6px 6px 0 0;background:linear-gradient(90deg,#9fe7da55,#e8fffbaa 45%,#7fcfc155);box-shadow:0 0 10px #7fe0d055}
.peg::after{content:attr(data-name);position:absolute;left:4px;right:4px;bottom:0;height:22px;border-radius:6px;background:linear-gradient(#d7aa52,#9c7230);color:#3b2a10;font-size:12px;font-weight:800;line-height:22px}
.peg[data-selected="true"]{background:#ffffff14}.peg[data-hint="from"],.peg[data-hint="to"]{background:#e7c25a24}.peg[data-hint="to"]::after{background:linear-gradient(#ffe08a,#d7aa52)}.peg[data-drop="true"]{background:#ffffff1f}
.peg:focus-visible{outline:3px solid var(--gold);outline-offset:-3px}
.disk{--d:0;position:relative;z-index:1;flex:none;width:calc(28% + 72% * (var(--d) + 1) / var(--n));height:min(26px,calc((100cqh - 70px) / var(--n)));border-radius:999px;background-color:hsl(var(--h) 62% 48%);background-image:linear-gradient(#ffffff59,#fff0 45%,#0000002e);box-shadow:inset 0 -3px 0 #0003,0 0 8px hsl(var(--h) 80% 60% / .45);transition:transform .14s ease-out}
.disk[data-d="0"]{--h:195}.disk[data-d="1"]{--h:275}.disk[data-d="2"]{--h:350}.disk[data-d="3"]{--h:32}.disk[data-d="4"]{--h:95}.disk[data-d="5"]{--h:168}.disk[data-d="6"]{--h:225}.disk[data-d="7"]{--h:312}
.disk[data-lifted="true"]{transform:translateY(-18px);box-shadow:inset 0 -3px 0 #0003,0 0 16px hsl(var(--h) 90% 65%)}.disk[data-dragging="true"]{opacity:.25}
.ghost{position:fixed;z-index:20;pointer-events:none;transform:translate(-50%,-50%);transition:none}
body[data-phase="won"] .disk{animation:glow .7s ease-out}@keyframes glow{50%{filter:brightness(1.4)}}
.paused-note{position:absolute;inset:0;display:grid;place-content:center;gap:12px;text-align:center;border-radius:16px;background:#243d37;color:white;font-size:24px;font-weight:800}.paused-note p{margin:0}.paused-note button{background:var(--gold);color:var(--ink)}body[data-phase="paused"] .pegs{visibility:hidden}
.controls{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.controls button{font-weight:700}
.tools{display:flex;justify-content:center;margin-top:8px}.tools a{display:inline-flex;align-items:center;min-height:44px;font-size:14px}.small,.instructions{font-size:13px;color:var(--muted);line-height:1.65}#status{font-size:14px;line-height:1.5;min-height:42px;margin-bottom:4px}#status[data-tone="warn"]{color:#9b3d2c}.small{margin:0}.instructions{margin:14px 4px}
.result-stars{margin:0;font-size:30px;letter-spacing:4px;color:var(--amber)}.result-stars .off{color:var(--line)}.result-actions{display:flex;gap:8px;flex-wrap:wrap}
@media(max-width:600px){.shell{padding:12px 12px 4px}header{position:sticky;top:0;z-index:3;background:var(--paper);padding:6px 0 12px;gap:6px}.utilities{flex-wrap:nowrap}.lab{padding:12px}.heading{margin:16px 0 12px}.howto{font-size:14px;margin:8px 0}.eyebrow{letter-spacing:1px}.brand{font-size:12px;letter-spacing:1px}.utilities button{padding:6px 8px}.hud{margin:10px 0;padding:8px 0}.hud strong{font-size:18px;margin-top:2px}.levels{gap:4px}.pegs{height:240px;gap:3px}.field{padding:8px 4px 0}}
.game-help-links{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;margin:12px 4px}.game-help-links button,.game-help-links a{display:inline-flex;align-items:center;min-height:44px;font-size:13px}.game-help-links button{border:0;background:none;color:var(--green);padding:0}#help-panel{width:min(520px,calc(100% - 24px));max-height:calc(100dvh - 32px);padding:0;border:1px solid var(--line);border-radius:16px;background:var(--card);color:var(--ink)}#help-panel::backdrop{background:#17271fd9}#help-panel[open]{display:flex;flex-direction:column}.help-body{overflow:auto;padding:20px;line-height:1.65}.help-body h2{margin-top:0}.help-actions{padding:12px 20px;border-top:1px solid var(--line)}.help-actions button{width:100%}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.disk{transition:none}body[data-phase="won"] .disk{animation:none}}