:root{color-scheme:light;--bg: #f6f8fb;--panel: #ffffff;--panel-strong: #edf2f8;--text: #253140;--muted: #657386;--line: #d8e1ec;--accent: #2078d4;--accent-strong: #135fae;--green: #20a67a;--red: #e53935;--yellow: #f8c840;--shadow: 0 18px 50px rgba(33, 47, 66, .12);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=dark]{color-scheme:dark;--bg: #11161c;--panel: #1a222b;--panel-strong: #222d38;--text: #eef4fb;--muted: #a4b1c0;--line: #344150;--accent: #68b7ff;--accent-strong: #8cc8ff;--green: #47d197;--red: #ff5a56;--yellow: #ffd65a;--shadow: 0 18px 50px rgba(0, 0, 0, .35)}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button{border:0;cursor:pointer}button:disabled{cursor:wait;opacity:.7}.login-page,.app-shell{min-height:100vh;min-height:100dvh}.login-page{display:grid;place-items:center;padding:24px}.login-panel{width:min(440px,100%);background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:28px}.brand-mark{display:grid;place-items:center;width:58px;aspect-ratio:1;background:var(--text);color:var(--bg);border-radius:8px;font-weight:900}.brand-mark.small{width:34px;font-size:.8rem}h1,p{margin-top:0}h1{margin-bottom:10px;letter-spacing:0}.login-panel p,.intro p,.game-card small,.eyebrow{color:var(--muted)}.login-form{display:grid;gap:16px;margin-top:26px}label{display:grid;gap:7px;color:var(--muted);font-size:.92rem;font-weight:700}input,select{width:100%;border:1px solid var(--line);border-radius:8px;background:var(--panel-strong);color:var(--text);padding:12px 13px}.primary-button,.custom-size button,.win-banner button{min-height:44px;border-radius:8px;background:var(--accent);color:#fff;font-weight:800;padding:0 18px}.primary-button:hover,.custom-size button:hover,.win-banner button:hover{background:var(--accent-strong)}.form-error{margin:0;color:var(--red);font-weight:700}.topbar{position:sticky;top:0;z-index:10;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;padding:12px clamp(14px,3vw,34px);background:color-mix(in srgb,var(--bg) 88%,transparent);border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.wordmark{display:inline-flex;align-items:center;gap:10px;background:transparent;color:var(--text);font-weight:900;white-space:nowrap}.topbar nav,.utility-actions,.segmented{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.topbar nav button,.utility-actions button,.segmented button,.d-pad button{min-height:38px;border-radius:8px;background:var(--panel);color:var(--text);border:1px solid var(--line);font-weight:800;padding:0 12px}.topbar nav button.active,.segmented button.active{background:var(--text);color:var(--bg)}.home,.game-screen{width:min(1120px,100%);margin:0 auto;padding:clamp(18px,4vw,42px)}.intro{max-width:680px;margin:28px 0}.intro h1,.toolbar h1{font-size:clamp(2rem,5vw,4rem);line-height:1}.eyebrow{margin-bottom:8px;font-size:.8rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.game-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.game-card{min-height:220px;display:grid;align-content:end;justify-items:start;gap:28px;text-align:left;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:24px;box-shadow:var(--shadow)}.game-card strong{display:block;margin-bottom:8px;font-size:1.6rem}.game-icon{display:grid;place-items:center;width:76px;aspect-ratio:1;border-radius:8px}.cube-icon{background:var(--red);box-shadow:inset -13px -13px #00000024}.tile-icon{background:var(--yellow);color:#253140;font-size:1.6rem;font-weight:900}.toolbar{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px}.toolbar h1{margin:0}.stats-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:16px}.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px}.stat-card span{display:block;color:var(--muted);font-size:.78rem;font-weight:900;text-transform:uppercase}.stat-card strong{display:block;margin-top:4px;overflow-wrap:anywhere}.win-banner{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;background:color-mix(in srgb,var(--green) 16%,var(--panel));border:1px solid color-mix(in srgb,var(--green) 52%,var(--line));border-radius:8px;padding:12px 14px;font-weight:900}.maze-layout{display:grid;grid-template-columns:minmax(260px,720px) minmax(136px,180px);align-items:start;gap:18px}.maze-board,.slider-board{display:grid;width:100%;aspect-ratio:1;background:var(--text);border:6px solid var(--text);border-radius:8px;overflow:hidden;touch-action:manipulation}.maze-cell{position:relative;display:grid;place-items:center;min-width:0}.maze-cell.wall{background:#263241}:root[data-theme=dark] .maze-cell.wall{background:#071018}.maze-cell.path{background:var(--panel)}.maze-cell.start{background:color-mix(in srgb,var(--accent) 22%,var(--panel))}.maze-cell.end{background:color-mix(in srgb,var(--green) 28%,var(--panel))}.player-cube{width:74%;aspect-ratio:1;border-radius:4px;background:var(--red);box-shadow:inset -5px -5px #0000002e}.d-pad{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.d-pad button:first-child,.d-pad button:last-child{grid-column:1 / -1}.d-pad button{min-height:58px;-webkit-user-select:none;user-select:none;touch-action:none}.custom-size{display:flex;flex-wrap:wrap;align-items:end;gap:10px;margin-bottom:16px}.custom-size label{width:min(180px,100%)}.slider-wrap{display:grid;place-items:center}.slider-board{width:min(720px,100%);gap:4px;padding:4px;background:var(--line);border-color:var(--line)}.number-tile{display:grid;place-items:center;min-width:0;border-radius:6px;background:var(--panel);color:var(--text);border:1px solid var(--line);font-weight:900}.number-tile:not(.empty):hover{background:var(--panel-strong)}.number-tile.empty{background:transparent;border-color:transparent;cursor:default}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:50;overflow:hidden}.confetti span{--delay: 0s;--x: 0px;position:absolute;top:-20px;left:calc(50% + var(--x));width:10px;height:16px;border-radius:2px;background:var(--accent);animation:fall 1.8s ease-in var(--delay) forwards}.confetti span:nth-child(3n){background:var(--red)}.confetti span:nth-child(3n+1){background:var(--yellow)}.confetti span:nth-child(4n){background:var(--green)}@keyframes fall{to{transform:translate3d(calc(var(--x) / -2),110vh,0) rotate(520deg);opacity:0}}@media(max-width:820px){.topbar{grid-template-columns:1fr;align-items:stretch}.topbar nav,.utility-actions{justify-content:stretch}.topbar nav button,.utility-actions button{flex:1}.game-grid,.maze-layout{grid-template-columns:1fr}.stats-row{grid-template-columns:repeat(2,minmax(0,1fr))}.toolbar{display:grid;align-items:start}.d-pad{grid-template-columns:repeat(4,minmax(0,1fr))}.d-pad button:first-child,.d-pad button:last-child{grid-column:auto}}@media(max-width:520px){.home,.game-screen{padding:16px}.login-panel{padding:20px}.stats-row{grid-template-columns:1fr}.d-pad{grid-template-columns:repeat(2,minmax(0,1fr))}.d-pad button:first-child,.d-pad button:last-child{grid-column:1 / -1}}