@import"https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;600;700;900&display=swap";*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-panel: #1a1a2e;--bg-input: #16213e;--text-primary: #f0f0f0;--text-secondary: #a0a0b0;--accent: #feca57;--accent-hover: #ffda7a;--accent-dark: #e0b040;--danger: #ff4757;--success: #2ed573;--border: #2a2a3e;--shadow: rgba(0, 0, 0, .4)}[data-theme=light]{--bg-primary: #f5f5f5;--bg-secondary: #ffffff;--bg-panel: #ffffff;--bg-input: #f0f0f5;--text-primary: #1a1a2e;--text-secondary: #666;--border: #ddd;--shadow: rgba(0, 0, 0, .1)}html,body{width:100%;height:100%;overflow:hidden;font-family:Noto Sans KR,sans-serif;background:var(--bg-primary);color:var(--text-primary)}#app{display:flex;width:100%;height:100%}#side-panel{width:340px;min-width:340px;height:100%;background:var(--bg-panel);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;z-index:10;transition:transform .3s ease}#side-panel.collapsed{transform:translate(-340px);min-width:0;width:0}.logo-area{padding:20px 24px;border-bottom:1px solid var(--border);text-align:center}.logo-title{font-size:28px;font-weight:900;letter-spacing:-1px;background:linear-gradient(135deg,var(--accent),#ff6b81);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.logo-subtitle{font-size:12px;color:var(--text-secondary);margin-top:4px;letter-spacing:3px;text-transform:uppercase}.panel-section{padding:16px 24px;border-bottom:1px solid var(--border)}.section-title{font-size:12px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:2px;margin-bottom:12px}#name-input{width:100%;min-height:140px;padding:12px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:10px;color:var(--text-primary);font-family:Noto Sans KR,sans-serif;font-size:14px;line-height:1.6;resize:vertical;transition:border-color .2s}#name-input:focus{outline:none;border-color:var(--accent)}#name-input::placeholder{color:var(--text-secondary);opacity:.6}.input-hint{font-size:11px;color:var(--text-secondary);margin-top:8px;line-height:1.5}.input-hint code{background:var(--bg-input);padding:1px 5px;border-radius:4px;font-size:11px}#participant-count{display:inline-block;margin-top:8px;padding:4px 10px;background:var(--accent);color:#000;border-radius:12px;font-size:12px;font-weight:700}.setting-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0}.setting-label{font-size:14px;color:var(--text-primary)}select{padding:6px 12px;background:var(--bg-input);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-family:Noto Sans KR,sans-serif;font-size:13px;cursor:pointer}select:focus{outline:none;border-color:var(--accent)}.toggle-switch{position:relative;width:44px;height:24px;cursor:pointer}.toggle-switch input{display:none}.toggle-slider{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--border);border-radius:12px;transition:background .3s}.toggle-slider:after{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .3s}.toggle-switch input:checked+.toggle-slider{background:var(--accent)}.toggle-switch input:checked+.toggle-slider:after{transform:translate(20px)}.radio-group{display:flex;gap:6px;flex-wrap:wrap}.radio-btn{padding:6px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:8px;color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all .2s}.radio-btn.active{background:var(--accent);color:#000;border-color:var(--accent);font-weight:700}.radio-btn:hover:not(.active){border-color:var(--accent);color:var(--text-primary)}#custom-rank-input{width:50px;padding:6px 8px;background:var(--bg-input);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:13px;text-align:center}#custom-rank-input:focus{outline:none;border-color:var(--accent)}.btn-group{display:flex;gap:10px;padding:20px 24px;margin-top:auto}.btn{flex:1;padding:14px;border:none;border-radius:12px;font-family:Noto Sans KR,sans-serif;font-size:16px;font-weight:700;cursor:pointer;transition:all .2s;letter-spacing:1px}.btn:active{transform:scale(.97)}.btn-shuffle{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border)}.btn-shuffle:hover{border-color:var(--accent);color:var(--accent)}.btn-start{background:linear-gradient(135deg,var(--accent),#ff6b81);color:#000;box-shadow:0 4px 15px #feca574d}.btn-start:hover{box-shadow:0 6px 20px #feca5780;transform:translateY(-1px)}.btn-start:active{transform:translateY(0) scale(.97)}.btn-reset{background:transparent;color:var(--danger);border:1px solid var(--danger)}.btn-reset:hover{background:var(--danger);color:#fff}#canvas-area{flex:1;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);position:relative;overflow:hidden}#game-canvas{display:block;border-radius:8px;box-shadow:0 0 40px #00000080}#panel-toggle{position:absolute;top:16px;left:16px;width:40px;height:40px;background:var(--bg-panel);border:1px solid var(--border);border-radius:10px;color:var(--text-primary);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:20;transition:all .2s}#panel-toggle:hover{background:var(--accent);color:#000}.credits{padding:12px 24px;text-align:center;font-size:11px;color:var(--text-secondary);opacity:.5;border-top:1px solid var(--border)}input[type=range]{-webkit-appearance:none;width:100px;height:4px;background:var(--border);border-radius:2px;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;background:var(--accent);border-radius:50%;cursor:pointer}@media (max-width: 768px){#app{flex-direction:column-reverse}#side-panel{width:100%;min-width:100%;max-height:45vh;border-right:none;border-top:1px solid var(--border)}#side-panel.collapsed{transform:translateY(100%);max-height:0}#canvas-area{flex:1;min-height:55vh}.logo-area,.panel-section,.btn-group{padding:12px 16px}#panel-toggle{bottom:16px;top:auto}}.toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%) translateY(100px);background:var(--bg-panel);color:var(--text-primary);padding:12px 24px;border-radius:12px;border:1px solid var(--accent);font-size:14px;font-weight:600;z-index:100;transition:transform .3s ease;pointer-events:none}.toast.show{transform:translate(-50%) translateY(0)}