/*! pipes — styles.css © 2026 2bworks. All rights reserved. https://2bworks.games */
:root{--bg: #0a0a0a;--board-panel: #242424;--card: #000000;--outline: rgba(255, 255, 255, .92);--tile-face: #2f2f2f;--pipe: #8b8b8b;--player: #5cc8f7;--in: #4ed35e;--out: #efbc4a;--accent: #ab8dfa;--bad: #ff5722;--light: #e3e3e3;--primary-text: #0a0a0a;--text: #ffffff;--muted: #9b9b9b}body.light{--bg: #f1f1f4;--board-panel: #dededf;--card: #ffffff;--outline: rgba(0, 0, 0, .88);--tile-face: #c9c9cf;--pipe: #4a4a52;--light: #14141a;--primary-text: #f4f4f6;--text: #101014;--muted: #5c5c66}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,system-ui,sans-serif;-webkit-tap-highlight-color:transparent}.app{max-width:460px;height:100vh;height:100dvh;margin:0 auto;padding:max(10px,env(safe-area-inset-top)) 12px calc(12px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:10px}.bar{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.tools{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end;margin-left:auto}[hidden]{display:none}select{background:var(--card);color:var(--text);border:2px solid var(--outline);border-radius:999px;padding:8px 14px;font-size:15px;font-weight:700}.clock{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text)}.legend{flex:0 0 auto;margin:0;text-align:center;font-size:13px;color:var(--muted)}.viewport{position:relative;flex:1 1 auto;min-height:0;overflow:hidden;border-radius:26px;background:var(--board-panel);display:grid;place-items:center;padding:10px;touch-action:manipulation}.board{display:grid;gap:2px;grid-template-columns:repeat(var(--cols, 1),var(--size, 34px));grid-auto-rows:var(--size, 34px)}.square{border-radius:8px}.square.piece{background:var(--tile-face);box-shadow:inset 0 0 0 1px #00000038;cursor:pointer;position:relative;transition:transform .16s ease-out,background-color .12s linear;transform:rotate(calc(var(--turn, 0) * 90deg))}.square.piece:active{transform:rotate(calc(var(--turn, 0) * 90deg)) scale(.94)}.square.piece svg{display:block;width:100%;height:100%}.square.piece svg path{fill:none;stroke:var(--pipe);stroke-width:22;stroke-linecap:round;stroke-linejoin:round;transition:stroke .12s linear}.square.piece.wet svg path{stroke:var(--player)}.square.piece.fixed{cursor:default}.square.piece.in{background:color-mix(in srgb,var(--in) 26%,var(--tile-face))}.square.piece.out{background:color-mix(in srgb,var(--out) 26%,var(--tile-face))}.square.piece.in svg path{stroke:var(--in)}.square.piece.out svg path{stroke:var(--out)}.square.piece.in svg circle{fill:var(--in)}.square.piece.out svg circle{fill:var(--out)}.square.piece svg circle{fill:var(--pipe)}.square.piece.wet svg circle{fill:var(--player)}.square.piece.loose{box-shadow:inset 0 0 0 3px var(--bad)}.square.piece.hinted{box-shadow:inset 0 0 0 3px var(--accent)}.square.piece.cursor{box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--accent)}.btn{background:var(--card);color:var(--text);border:2px solid var(--outline);border-radius:999px;padding:16px 20px;font-size:17px;font-weight:700;cursor:pointer}.btn.mini{padding:5px 9px;font-size:12px;border-width:1px}.btn:active{transform:scale(.97)}.btn.primary{background:var(--light);border-color:var(--light);color:var(--primary-text)}.btn.hidden{display:none}.overlay{position:fixed;inset:0;background:#000000b8;display:grid;place-items:center;padding:20px}.overlay.hidden{display:none}.panel{background:var(--card);border-radius:22px;border:2px solid var(--outline);padding:26px 22px;text-align:center;max-width:320px;width:100%}.panel h2{margin:0 0 8px;font-size:28px;font-weight:800}.panel p{margin:0 0 18px;color:var(--muted);font-size:15px;line-height:1.5}.panel .btn{width:100%}.panel .btn+.btn{margin-top:10px}