body{margin:0;padding:24px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(180deg,#f7f7f9,#ececf1);color:#1f2328}.splash-page{position:fixed;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;z-index:10000;transition:opacity .5s ease,visibility .5s ease}.splash-page.hidden{opacity:0;visibility:hidden;pointer-events:none}.splash-content{text-align:center;color:#fff;max-width:500px;padding:40px;background:#ffffff1a;border-radius:20px;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);box-shadow:0 20px 40px #0000001a}.splash-title{font-size:48px;font-weight:800;margin:0 0 16px;text-shadow:0 4px 8px rgba(0,0,0,.3);background:linear-gradient(45deg,#fff,#f0f0f0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.splash-subtitle{font-size:20px;font-weight:600;margin:0 0 12px;opacity:.9}.splash-description{font-size:16px;margin:0 0 32px;opacity:.8;line-height:1.5}.player-name-input{margin:0 0 24px;text-align:left}.player-name-input label{display:block;font-size:16px;font-weight:600;color:#ffffffe6;margin-bottom:8px}.player-name-input input{width:100%;padding:12px 16px;font-size:16px;border:2px solid rgba(255,255,255,.3);border-radius:12px;background:#ffffff1a;color:#fff;backdrop-filter:blur(10px);transition:all .3s ease;box-sizing:border-box}.player-name-input input::placeholder{color:#fff9}.player-name-input input:focus{outline:none;border-color:#fff9;background:#ffffff26;box-shadow:0 0 0 3px #ffffff1a}.start-game-btn{font-size:18px;font-weight:700;padding:16px 32px;background:linear-gradient(135deg,#4f46e5,#06b6d4);border:none;border-radius:50px;color:#fff;cursor:pointer;transition:all .3s ease;box-shadow:0 8px 20px #4f46e566;text-transform:uppercase;letter-spacing:1px}.start-game-btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px #4f46e580;background:linear-gradient(135deg,#4338ca,#0891b2)}.start-game-btn:active{transform:translateY(0);box-shadow:0 6px 15px #4f46e566}.tab-navigation{display:flex;justify-content:center;margin-bottom:24px;gap:8px}.tab-button{padding:12px 24px;border:2px solid #e5e7eb;background:#fff;color:#667085;border-radius:12px;font-weight:600;cursor:pointer;transition:all .2s ease}.tab-button:hover{border-color:#4f46e5;color:#4f46e5;transform:none;box-shadow:0 4px 12px #4f46e526}.tab-button.active{background:linear-gradient(135deg,#4f46e5,#06b6d4);border-color:transparent;color:#fff;box-shadow:0 8px 20px #4f46e540}.tab-content{display:none}.tab-content.active{display:block}.gallery-header{text-align:center;margin-bottom:32px}.gallery-header h2{margin:0 0 8px;color:#1f2328;font-size:28px;font-weight:700}.gallery-header p{margin:0;color:#667085;font-size:16px}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px;max-width:1200px;margin:0 auto;padding:0 20px;align-items:start}.gallery-item{position:relative;background:#fff;border:1px solid #e5e7eb;border-radius:12px;overflow:hidden;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px #00000014}.gallery-item:hover{transform:translateY(-2px);box-shadow:0 8px 24px #0000001f}.gallery-item img{width:100%;height:200px;object-fit:cover;display:block}.gallery-item-info{padding:12px;background:#fff}.gallery-item-title{font-weight:600;color:#1f2328;margin:0 0 4px;font-size:14px}.gallery-item-date{font-size:12px;color:#667085;margin:0}.gallery-item-actions{position:absolute;top:8px;right:8px;display:flex;gap:4px;opacity:0;transition:opacity .2s ease}.gallery-item:hover .gallery-item-actions{opacity:1}.gallery-action-btn{width:32px;height:32px;border-radius:6px;background:#ffffffe6;border:1px solid #e5e7eb;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;font-size:14px}.gallery-action-btn:hover{background:#fff;border-color:#4f46e5;color:#4f46e5}.clear-all-btn{grid-column:1 / -1;margin-bottom:20px;padding:12px 24px;background:#dc2626;color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s ease}.clear-all-btn:hover{background:#b91c1c;transform:none;box-shadow:0 4px 12px #dc26264d}.gallery-empty{text-align:center;padding:60px 20px;color:#667085}.gallery-empty h3{margin:0 0 12px;font-size:20px;font-weight:600}.gallery-empty p{margin:0;font-size:16px}.controls{margin:16px auto 12px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 16px;background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:0 10px 30px #00000014,0 1px 2px #0000000f;width:fit-content}#canvas{display:block;margin:0 auto;border:1px solid #e5e7eb;border-radius:12px;background:#fff;cursor:crosshair;box-shadow:0 20px 50px #0000001f,0 2px 8px #00000014}.status{margin-top:12px;font-size:14px;color:#667085;text-align:center}button{--b1: #4f46e5;--b2: #06b6d4;--hover1: #4338ca;--hover2: #0891b2;border:none;padding:10px 16px;border-radius:999px;color:#fff;font-weight:700;letter-spacing:.2px;background:linear-gradient(135deg,var(--b1),var(--b2));box-shadow:0 10px 20px #4f46e540,0 2px 6px #06b6d440;transition:transform .1s ease,box-shadow .2s ease,background .3s ease;cursor:pointer}button:hover{background:linear-gradient(135deg,var(--hover1),var(--hover2));box-shadow:0 14px 26px #4f46e54d,0 4px 10px #06b6d447}button:active{transform:translateY(1px)}.below-canvas{margin:10px auto 16px;display:flex;justify-content:center}#syncOverlay{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:#fffc;backdrop-filter:blur(2px);z-index:1000}.overlay-content{padding:10px 14px;border-radius:10px;border:1px solid #e5e7eb;background:#fff;color:#475467;font-weight:600;box-shadow:0 10px 30px #00000014,0 1px 2px #0000000f}label{font-weight:600;color:#475467}#radiusValue{padding:2px 8px;border-radius:8px;background:#f2f4f7;border:1px solid #e5e7eb;font-variant-numeric:tabular-nums;color:#475467}#colorPicker{width:44px;height:34px;padding:0;border:1px solid #e5e7eb;border-radius:8px;background:#fff}#colorPicker::-webkit-color-swatch-wrapper{padding:4px;border-radius:8px}#colorPicker::-webkit-color-swatch{border:none;border-radius:6px}.color-history{display:flex;gap:4px;flex-wrap:wrap;max-width:200px}.color-history-item{width:24px;height:24px;border:2px solid #e5e7eb;border-radius:6px;cursor:pointer;transition:all .2s ease;position:relative}.color-history-item:hover{border-color:#4f46e5;transform:scale(1.1);box-shadow:0 2px 8px #4f46e54d}.color-history-item:active{transform:scale(.95)}#radiusSlider{width:240px;background:transparent}#radiusSlider::-webkit-slider-runnable-track{height:6px;background:linear-gradient(90deg,#e5e7eb,#d1d5db);border-radius:999px}#radiusSlider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;margin-top:-6px;width:18px;height:18px;background:#1f6feb;border:2px solid #ffffff;border-radius:50%;box-shadow:0 1px 2px #0003}#radiusSlider::-moz-range-track{height:6px;background:linear-gradient(90deg,#e5e7eb,#d1d5db);border-radius:999px}#radiusSlider::-moz-range-thumb{width:18px;height:18px;background:#1f6feb;border:2px solid #ffffff;border-radius:50%;box-shadow:0 1px 2px #0003}#canvas:hover{box-shadow:0 24px 60px #00000024,0 4px 12px #0000001a}.controls:focus-within{box-shadow:0 12px 34px #00000017,0 1px 4px #00000014}.cat-thumbnails{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.cat-thumbnail{width:60px;height:60px;border:2px solid #e5e7eb;border-radius:8px;background:#f9fafb;position:relative;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.cat-thumbnail:hover{border-color:#1f6feb;transform:translateY(-2px);box-shadow:0 4px 12px #1f6feb26}.cat-thumbnail.current{border-color:#1f6feb;background:#eff6ff;box-shadow:0 0 0 2px #1f6feb33}.cat-thumbnail.completed{border-color:#10b981;background:#f0fdf4}.cat-thumbnail.locked{opacity:.5;cursor:not-allowed}.cat-thumbnail.locked:hover{transform:none;border-color:#e5e7eb;box-shadow:none}.cat-thumbnail svg{width:100%;height:100%;padding:8px;display:flex;align-items:center;justify-content:center}.cat-thumbnail .lock-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:20px;height:20px;color:#9ca3af}.cat-thumbnail .level-number{position:absolute;bottom:2px;right:2px;background:#1f6feb;color:#fff;font-size:10px;font-weight:600;padding:2px 4px;border-radius:4px;line-height:1}.game-info-overlay{position:fixed;top:20px;left:20px;z-index:1000;padding:16px;background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:0 4px 12px #00000014,0 1px 2px #0000000f;display:flex;flex-direction:column;align-items:center;gap:8px;transition:all .2s ease}.game-info-overlay:hover{box-shadow:0 8px 20px #0000001f,0 2px 4px #00000014}.game-info-overlay .timer{font-size:24px;font-weight:700;color:#1f6feb;text-align:center}.game-info-overlay .level-info{font-size:16px;font-weight:600;color:#475467;text-align:center}.status-indicator{position:fixed;top:20px;right:20px;z-index:1000;transition:opacity .3s ease,visibility .3s ease}.status-indicator.hidden{opacity:0;visibility:hidden;pointer-events:none}.status-content{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#fff;border:1px solid #e5e7eb;border-radius:20px;box-shadow:0 4px 12px #00000014,0 1px 2px #0000000f;font-size:12px;color:#475467;font-weight:500;transition:all .2s ease}.status-spinner{width:12px;height:12px;border:2px solid #e5e7eb;border-top:2px solid #1f6feb;border-radius:50%;animation:spin 1s linear infinite}.status-indicator.connected .status-content{border-color:#10b981;background:#f0fdf4}.status-indicator.connected .status-spinner{border-color:#10b981;border-top-color:#10b981;animation:none}.status-indicator.offline .status-content{border-color:#f59e0b;background:#fffbeb}.status-indicator.offline .status-spinner{border-color:#f59e0b;border-top-color:#f59e0b;animation:none}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}