:root{font-family:Inter,ui-rounded,SF Pro Rounded,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#f8fafc;background:#0b1020;font-synthesis:none;text-rendering:optimizeLegibility;--panel: #121a2e;--cell: #202a43;--muted: #94a3b8;--cyan: #27d3e8;--violet: #9b7bff;--amber: #ffbd43;--emerald: #43d49e;--rose: #ff6484;--blue: #4c97ff}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;overscroll-behavior:none;background:radial-gradient(circle at 50% -10%,rgba(76,151,255,.18),transparent 30rem),linear-gradient(180deg,#111827,#0b1020)}button{font:inherit}#app{min-height:100vh}.game-shell{width:min(100%,560px);margin:0 auto;padding:max(18px,env(safe-area-inset-top)) 18px max(28px,env(safe-area-inset-bottom));-webkit-user-select:none;user-select:none}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.18em;color:#60a5fa}h1{margin:2px 0 0;font-size:clamp(28px,8vw,42px);line-height:1;letter-spacing:-.04em}.icon-button{width:48px;height:48px;border:1px solid rgba(148,163,184,.2);border-radius:16px;color:#fff;background:#1e293bbf;cursor:pointer;font-size:26px;transition:transform .15s ease,background .15s ease}.icon-button:active{transform:scale(.94)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}.stat-card{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border:1px solid rgba(148,163,184,.12);border-radius:16px;background:#121a2ed1}.stat-card span{color:var(--muted);font-size:12px;font-weight:700}.stat-card strong{font-size:20px;letter-spacing:-.02em}.combo-card strong{color:#fbbf24}.board-wrap{position:relative}.message{position:absolute;z-index:5;left:50%;top:14px;transform:translate(-50%);min-width:max-content;padding:8px 12px;border-radius:999px;background:#0f172aeb;color:#cbd5e1;box-shadow:0 8px 24px #00000040;opacity:0;pointer-events:none;font-size:12px;font-weight:800;letter-spacing:.04em}.message.good{color:#6ee7b7}.message.hot{color:#fde68a}.board{display:grid;grid-template-columns:repeat(8,1fr);gap:clamp(4px,1vw,7px);width:100%;aspect-ratio:1;padding:clamp(7px,1.6vw,10px);border-radius:24px;background:#121a2ef0;border:1px solid rgba(148,163,184,.14);box-shadow:inset 0 1px #ffffff0a,0 24px 70px #0000003d;touch-action:manipulation}.board.pulse{animation:boardPulse .28s ease-out}.board-cell{min-width:0;padding:0;aspect-ratio:1;border:0;border-radius:clamp(5px,1.4vw,9px);background:var(--cell);box-shadow:inset 0 -2px #00000021;transition:transform .08s ease,opacity .08s ease,background .08s ease}.board-cell.filled,.mini-block.filled{background:var(--piece-color);box-shadow:inset 0 2px #fff3,inset 0 -3px #00000024,0 2px 7px #0000002e}[data-color=cyan]{--piece-color: var(--cyan)}[data-color=violet]{--piece-color: var(--violet)}[data-color=amber]{--piece-color: var(--amber)}[data-color=emerald]{--piece-color: var(--emerald)}[data-color=rose]{--piece-color: var(--rose)}[data-color=blue]{--piece-color: var(--blue)}.board-cell.preview-valid{background:color-mix(in srgb,var(--piece-color, #7dd3fc) 48%,var(--cell));transform:scale(.9)}.board-cell.preview-invalid{background:#f871716b;transform:scale(.9)}.tray-section{margin-top:20px}.tray-label{display:flex;justify-content:space-between;gap:12px;align-items:baseline;margin:0 2px 10px;color:#e2e8f0;font-size:13px;font-weight:800}.tray-label .hint{color:var(--muted);font-size:11px;font-weight:600;text-align:right}.tray{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.piece-slot{display:grid;place-items:center;min-width:0;min-height:112px;padding:12px 6px;border:1px solid rgba(148,163,184,.11);border-radius:18px;background:#121a2eb8;cursor:grab;touch-action:none;transition:transform .14s ease,border-color .14s ease,background .14s ease,opacity .14s ease}.piece-slot:active{cursor:grabbing;transform:scale(.98)}.piece-slot.selected{border-color:#60a5facc;background:#1e40af2b}.piece-slot.blocked{opacity:.38;filter:saturate(.55)}.piece-slot.used{opacity:.18;cursor:default}.mini-piece{display:grid;grid-template-columns:repeat(var(--shape-cols),18px);grid-template-rows:repeat(var(--shape-rows),18px);gap:3px;pointer-events:none}.mini-block{width:18px;height:18px;border-radius:5px}.mini-block.spacer{opacity:0}.drag-ghost{position:fixed;z-index:30;transform:translate(-50%,-50%) scale(1.25);transform-origin:center;pointer-events:none;opacity:0;transition:opacity .06s ease;filter:drop-shadow(0 12px 10px rgba(0,0,0,.34))}.drag-ghost.visible{opacity:.92}.modal-backdrop{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:24px;background:#030712b8;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.modal-backdrop.hidden{display:none}.modal-card{width:min(100%,380px);padding:28px;border-radius:26px;border:1px solid rgba(148,163,184,.16);background:#121a2e;box-shadow:0 30px 80px #00000075;text-align:center}.modal-badge{color:#60a5fa;font-size:11px;font-weight:900;letter-spacing:.18em}.modal-card h2{margin:8px 0;font-size:30px}.modal-card p{margin:8px 0;color:#cbd5e1}.best-message{min-height:24px;color:#fbbf24!important;font-weight:800}.primary-button{width:100%;min-height:52px;margin-top:16px;border:0;border-radius:16px;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;font-weight:900;cursor:pointer}.primary-button:active{transform:scale(.985)}@keyframes boardPulse{0%{transform:scale(1)}45%{transform:scale(1.012)}to{transform:scale(1)}}@media(max-width:390px){.game-shell{padding-left:12px;padding-right:12px}.piece-slot{min-height:96px}.mini-piece{grid-template-columns:repeat(var(--shape-cols),15px);grid-template-rows:repeat(var(--shape-rows),15px)}.mini-block{width:15px;height:15px;border-radius:4px}.tray-label .hint{display:none}.stat-card{padding:10px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}