.classic-jigsaw{background:linear-gradient(160deg,#4a2c6a,#3d2460,#2e1a4a);color:#f0e6ff}.classic-jigsaw h2,.classic-jigsaw .subtitle{color:#f0e6ff}.classic-jigsaw .subtitle{opacity:.85}.classic-jigsaw .stat-badge{background:#ffffff1f;color:#f0e6ff}.classic-jigsaw .difficulty-picker{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.25rem}.classic-jigsaw .diff-btn{padding:.45rem .9rem;border-radius:999px;background:#ffffff1a;color:#d4c4f0;font-weight:700;font-size:.85rem;border:none;cursor:pointer;transition:background .15s,color .15s}.classic-jigsaw .diff-btn:hover{background:#ffffff2e}.classic-jigsaw .diff-btn.active{background:#9b6fd4;color:#fff}.classic-jigsaw .timer-badge.urgent{background:#ff6b6b40;color:#ffb4b4;animation:timerPulse .8s ease-in-out infinite}.classic-jigsaw .lose-banner{text-align:center;padding:1rem 1.5rem;background:linear-gradient(135deg,#ff787840,#c83c3c33);border:1px solid rgba(255,140,140,.35);border-radius:8px;margin-bottom:1.25rem;animation:popIn .4s ease}.classic-jigsaw .lose-banner h3{margin:0;font-size:1.3rem;color:#ffb4b4}.classic-jigsaw .lose-banner p{margin:.35rem 0 0;color:#ffc8c8e6}@keyframes timerPulse{0%,to{transform:scale(1)}50%{transform:scale(1.04)}}.classic-layout{display:flex;flex-direction:column;gap:.65rem;max-width:100%;margin:0 auto}.classic-preview{position:relative;width:100%;aspect-ratio:1 / 1;border-radius:8px;overflow:hidden;border:2px solid rgba(255,255,255,.2);box-shadow:0 2px 10px #00000040;background:#1a1028}.classic-preview img{display:block;width:100%;height:100%;object-fit:fill}.preview-label{position:absolute;top:6px;left:8px;padding:.2rem .55rem;background:#0000008c;color:#f0e6ff;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;border-radius:4px;z-index:1}.classic-preview-row{display:flex;align-items:center;justify-content:center;gap:.75rem;width:100%}.classic-preview-row .classic-preview{width:auto;flex:0 0 auto;aspect-ratio:1 / 1}.classic-timer-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.2rem;min-width:108px;padding:.65rem .9rem;background:#00000080;border:1px solid rgba(255,255,255,.18);border-radius:12px;box-shadow:0 2px 12px #00000059}.classic-timer-panel.urgent{background:#7814148c;border-color:#ff787873;animation:timerPulse .8s ease-in-out infinite}.timer-panel-label{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#f0e6ffbf}.timer-panel-value{font-size:1.85rem;font-weight:800;font-variant-numeric:tabular-nums;line-height:1;color:#fff}.classic-timer-panel.urgent .timer-panel-value{color:#ffb4b4}.timer-panel-placed{font-size:.72rem;font-weight:600;color:#d4c4f0d9}.classic-game-unit{width:100%;border-radius:8px;overflow:hidden;border:2px solid rgba(255,255,255,.15);box-shadow:0 4px 16px #00000059}.classic-workspace{position:relative;width:100%;background:#0003;overflow:hidden}.classic-board-area{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;border:none;border-radius:0;box-shadow:inset 0 0 24px #0003;background:repeating-linear-gradient(90deg,transparent,transparent 24px,rgba(0,0,0,.04) 24px,rgba(0,0,0,.04) 26px),linear-gradient(160deg,#c4a882,#a67c52 45%,#8b6914)}.slot-layer{display:block;pointer-events:none}.classic-pieces-layer{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:10}.tray-piece-wrap,.board-piece-wrap{position:absolute;pointer-events:auto;touch-action:none}.board-piece-wrap.locked{pointer-events:none}.board-piece-wrap.dragging{filter:drop-shadow(3px 6px 8px rgba(0,0,0,.45))}.tray-jigsaw-piece{filter:drop-shadow(1px 2px 3px rgba(0,0,0,.4))}.tray-jigsaw-piece:hover{filter:drop-shadow(2px 3px 5px rgba(0,0,0,.5)) brightness(1.04)}.classic-bottom-tray{width:100%;background:#1e0f32f2;border-top:2px solid rgba(255,255,255,.12);border-radius:0;overflow:hidden}.classic-tray-header{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.65rem 1rem;border-bottom:1px solid rgba(255,255,255,.08)}.classic-tray-header h4{margin:0;font-size:1rem;color:#d4c4f0;white-space:nowrap}.tray-hint{margin:0;font-size:.8rem;color:#d4c4f08c;white-space:nowrap}.classic-tray-scroll{overflow-x:auto;overflow-y:hidden;padding:.5rem 0 .65rem;scrollbar-width:thin;scrollbar-color:rgba(155,111,212,.6) rgba(0,0,0,.2)}.classic-tray-scroll::-webkit-scrollbar{height:6px}.classic-tray-scroll::-webkit-scrollbar-track{background:#00000026;border-radius:3px}.classic-tray-scroll::-webkit-scrollbar-thumb{background:#9b6fd4a6;border-radius:3px}.classic-tray-content{position:relative;height:156px;min-width:100%}.tray-empty{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;margin:0;font-size:.8rem;color:#d4c4f080}.classic-lobby{text-align:center}.classic-lobby .difficulty-picker{justify-content:center}.classic-lobby-preview{width:min(280px,100%);aspect-ratio:1 / 1;margin:0 auto 1.25rem;border-radius:12px;overflow:hidden;border:2px solid rgba(255,255,255,.2);box-shadow:0 4px 16px #0000004d}.classic-lobby-preview img{display:block;width:100%;height:100%;object-fit:fill}.start-game-btn{display:inline-flex;align-items:center;justify-content:center;min-width:200px;padding:.85rem 2rem;border:none;border-radius:999px;background:linear-gradient(135deg,#b88ae8,#9b6fd4);color:#fff;font-weight:800;font-size:1.05rem;cursor:pointer;box-shadow:0 4px 18px #9b6fd473;transition:transform .15s,filter .15s}.start-game-btn:hover{filter:brightness(1.08);transform:translateY(-2px)}.classic-fullscreen{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10000;display:flex;flex-direction:column;background:linear-gradient(160deg,#4a2c6a,#3d2460,#2e1a4a);color:#f0e6ff}.classic-fullscreen:fullscreen{width:100%;height:100%;max-width:none;max-height:none}.classic-fs-controls{position:absolute;top:.75rem;right:.75rem;z-index:20;display:flex;flex-wrap:wrap;gap:.5rem;justify-content:flex-end}.fs-control-btn{padding:.45rem .9rem;border:1px solid rgba(255,255,255,.22);border-radius:999px;background:#0000008c;color:#f0e6ff;font-weight:700;font-size:.82rem;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:background .15s,transform .15s}.fs-control-btn:hover{background:#000000b8;transform:translateY(-1px)}.fs-control-btn.exit-btn{background:#ffffff24}.fs-control-btn.exit-btn:hover{background:#ffffff3d}.classic-fs-stage{flex:1;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:.5rem .75rem .75rem;overflow:auto}.classic-fs-banner{flex-shrink:0;width:min(480px,100%);margin-bottom:.5rem}.classic-fs-scale-host{flex-shrink:0;overflow:hidden;margin:0 auto}.classic-fs-scale-inner{transform-origin:top left}.classic-fullscreen .classic-fs-layout{flex-shrink:0}.classic-fs-scale-host.is-wide{flex:1;width:100%!important;min-height:0;display:flex;align-items:center;justify-content:center}.classic-fs-scale-host.is-wide .classic-fs-scale-inner{transform:none!important;width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:0 clamp(.75rem,2vw,2rem)}.classic-layout-wide{width:100%!important;height:auto!important;gap:0}.classic-play-area-wide{display:flex;flex-direction:row;align-items:center;width:100%;max-width:min(1680px,100%);gap:clamp(1.5rem,4vw,3rem)}.classic-side-panel{flex:1;display:flex;align-items:center;min-width:0}.classic-side-left{justify-content:flex-end}.classic-side-right{justify-content:flex-start}.classic-layout-wide .classic-game-unit{flex:0 0 480px;width:480px}.classic-layout-wide .classic-side-right .classic-preview{width:min(480px,38vw);height:min(480px,38vw);aspect-ratio:1 / 1;border-radius:12px;border-width:3px}.classic-layout-wide .classic-side-right .preview-label{font-size:.85rem;padding:.35rem .75rem}.classic-layout-wide .classic-side-left .classic-timer-panel{width:min(280px,22vw);min-height:min(360px,30vw);padding:2rem 2.25rem;gap:.65rem;border-radius:16px}.classic-layout-wide .classic-side-left .timer-panel-label{font-size:.9rem;letter-spacing:.08em}.classic-layout-wide .classic-side-left .timer-panel-value{font-size:clamp(3.5rem,6vw,5.25rem)}.classic-layout-wide .classic-side-left .timer-panel-placed{font-size:1.05rem;margin-top:.25rem}.classic-fullscreen .classic-bottom-tray{flex-shrink:0}@media(max-aspect-ratio:1/1){.classic-preview-row{flex-direction:row;justify-content:center;align-items:center;height:auto!important;gap:.75rem}.classic-preview-row .classic-preview{order:1;width:min(140px,38vw);height:min(140px,38vw)}.classic-timer-panel{order:2;flex-direction:column;flex-wrap:nowrap;justify-content:center;gap:.2rem;padding:.65rem .9rem}.classic-fullscreen .classic-preview-row .classic-preview{width:min(140px,38vw);height:min(140px,38vw)}.timer-panel-value{font-size:1.5rem}}@media(max-width:680px){.classic-fs-controls{left:.75rem;right:.75rem}}.sliding-workspace,.sliding-board-area{display:flex;align-items:center;justify-content:center}.sliding-board{display:grid;box-sizing:border-box}.sliding-tile{padding:0;border:none;border-radius:4px;background-repeat:no-repeat;cursor:pointer;transition:transform .12s ease,filter .12s;box-shadow:0 2px 6px #00000059}.sliding-tile:not(.empty):hover:not(:disabled){transform:scale(1.04);filter:brightness(1.06);z-index:1}.sliding-tile:not(.empty):active:not(:disabled){transform:scale(.97)}.sliding-tile.empty{background:#ffffff24;border:1.8px solid rgba(255,255,255,.55);cursor:default;box-shadow:inset 0 2px 6px #00000040}.sliding-tile:disabled:not(.empty){cursor:default;opacity:.65}.sliding-footer{min-height:56px}.sliding-footer .classic-tray-header{border-bottom:none}.grid-workspace,.grid-board-area{display:flex;align-items:center;justify-content:center}.grid-jigsaw-board{display:grid;box-sizing:border-box}.grid-slot{border-radius:4px;overflow:hidden;transition:outline .15s}.grid-slot.empty{background:#ffffff24;border:1.8px solid rgba(255,255,255,.55)}.grid-slot.wrong{animation:gridSlotWrong .4s ease}@keyframes gridSlotWrong{0%,to{outline:none}50%{outline:3px solid #ffc857;outline-offset:1px}}.grid-piece{background-repeat:no-repeat;border-radius:3px;cursor:grab;transition:transform .15s,filter .15s;box-shadow:0 2px 6px #00000059}.grid-piece.placed{cursor:default;box-shadow:none}.grid-piece.tray-piece{filter:drop-shadow(1px 2px 3px rgba(0,0,0,.4))}.grid-piece.tray-piece:hover{filter:drop-shadow(2px 3px 5px rgba(0,0,0,.5)) brightness(1.04);transform:scale(1.04)}.grid-piece.dragging{opacity:.5;cursor:grabbing}.grid-piece.locked{cursor:default}.grid-piece.misplaced{opacity:.9;outline:2px dashed rgba(255,200,87,.75);outline-offset:-2px}.classic-bottom-tray:has(.grid-piece.dragging){border-top-color:#9b6fd48c}.app{max-width:1100px;margin:0 auto;padding:1.5rem}.app-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:2rem;flex-wrap:wrap}.mode-tabs{display:flex;gap:.5rem}.mode-tab{padding:.55rem 1rem;background:var(--surface);color:var(--text-muted);border-radius:999px;font-weight:700;font-size:.9rem;box-shadow:var(--shadow);transition:background .15s,color .15s,transform .15s}.mode-tab:hover{transform:translateY(-1px)}.mode-tab.active{background:var(--primary);color:#fff}.app-header h1{margin:0;font-size:1.75rem;font-weight:800;color:var(--primary-dark)}.back-btn{padding:.6rem 1.2rem;background:var(--surface);color:var(--primary-dark);border-radius:999px;font-weight:700;font-size:.95rem;box-shadow:var(--shadow);transition:transform .15s,background .15s}.back-btn:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}.app-main{animation:fadeIn .35s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.game-panel{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem}.game-panel h2{margin:0 0 .25rem;font-size:1.4rem;color:var(--primary-dark)}.game-panel .subtitle{margin:0 0 1.25rem;color:var(--text-muted);font-size:.95rem}.game-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem;margin-bottom:1.25rem}.stat-badge{display:inline-flex;align-items:center;gap:.35rem;padding:.4rem .85rem;background:#f0f7ff;border-radius:999px;font-weight:700;font-size:.9rem;color:var(--primary-dark)}.action-btn{padding:.55rem 1.1rem;background:var(--accent);color:#fff;border-radius:999px;font-weight:700;font-size:.9rem;transition:transform .15s,filter .15s}.action-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}.action-btn.secondary{background:var(--primary)}.win-banner{text-align:center;padding:1rem 1.5rem;background:linear-gradient(135deg,#d4edda,#c3e6cb);border-radius:var(--radius);margin-bottom:1.25rem;animation:popIn .4s ease}.win-banner h3{margin:0;font-size:1.3rem;color:#155724}.win-banner p{margin:.35rem 0 0;color:#1e7e34}@keyframes popIn{0%{transform:scale(.9);opacity:0}70%{transform:scale(1.03)}to{transform:scale(1);opacity:1}}@media(max-width:640px){.app{padding:1rem}.app-header h1{font-size:1.35rem}}*,*:before,*:after{box-sizing:border-box}:root{--bg: #e8f4fd;--surface: #ffffff;--primary: #4a90d9;--primary-dark: #357abd;--accent: #ff8c42;--success: #5cb85c;--text: #2c3e50;--text-muted: #7f8c8d;--wood: #8b6914;--wood-light: #c4a035;--shadow: 0 4px 20px rgba(0, 0, 0, .12);--radius: 16px}body{margin:0;min-height:100vh;font-family:Nunito,system-ui,sans-serif;background:linear-gradient(160deg,#e8f4fd,#d4edda,#fff3cd);color:var(--text)}#root{min-height:100vh}button{font-family:inherit;cursor:pointer;border:none}img{display:block;max-width:100%}
