:root{--bg:#0f1115;--panel:#171a21;--grid:#1d2129;--snake:#4ade80;--snake-head:#86efac;--food:#f472b6;--text:#e6e8eb;--muted:#8b919c;--accent:#4ade80}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg);height:100%;color:var(--text);font-family:ui-monospace,SF Mono,Cascadia Code,Menlo,Consolas,monospace}#app{flex-direction:column;justify-content:center;align-items:center;gap:1.25rem;min-height:100%;padding:1.5rem;display:flex}.hud{justify-content:space-between;align-items:baseline;width:min(400px,92vw);display:flex}.hud h1{letter-spacing:.15em;color:var(--accent);text-transform:lowercase;font-size:1.5rem;font-weight:700}.scores{color:var(--muted);gap:1rem;font-size:.85rem;display:flex}.scores strong{color:var(--text);margin-left:.25rem}.board{aspect-ratio:1;width:min(400px,92vw);position:relative}canvas{background:var(--panel);border:1px solid var(--grid);touch-action:none;border-radius:12px;width:100%;height:100%;display:block}.overlay{text-align:center;cursor:pointer;background:#0f1115d1;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;padding:1rem;display:flex;position:absolute;inset:0}.overlay[hidden]{display:none}.overlay p{letter-spacing:.05em;font-size:1.5rem;font-weight:700}.overlay .sub{color:var(--muted);font-size:.9rem;font-weight:400}.controls{flex-direction:column;align-items:center;gap:.6rem;display:flex}button#restart{font:inherit;color:var(--bg);background:var(--accent);cursor:pointer;border:none;border-radius:8px;padding:.55rem 1.25rem;font-size:.9rem;transition:transform 80ms,opacity .15s}button#restart:hover{opacity:.9}button#restart:active{transform:translateY(1px)}.hint{color:var(--muted);font-size:.78rem}.credit{color:var(--muted);font-size:.72rem}.credit a{color:var(--muted)}