:root{--bg-primary: #0B0B0F;--bg-surface: #1A1A23;--bg-surface-hover: #24242F;--accent: #00FFA3;--accent-dim: rgba(0, 255, 163, .15);--text-primary: #EAEAEF;--text-secondary: #8A8A9A;--text-muted: #5A5A6A;--border: #2A2A35;--correct-green: #00E676;--danger: #FF5252;--warning: #FFD740;--font-sans: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%}body{background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}.dashboard{display:flex;gap:12px;padding:12px;height:100vh;width:100vw;overflow:hidden}.sidebar{width:320px;flex-shrink:0;display:flex;flex-direction:column;gap:12px;overflow:hidden}.main{flex:1;min-width:0;display:flex;flex-direction:column}.panel{background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;padding:16px;overflow:hidden}.panel-header{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--accent);margin-bottom:12px}.panel-canvas{flex:1;display:flex;flex-direction:column;gap:12px;padding:12px}.panel-controls{flex-shrink:0;overflow-y:auto}.panel-scoreboard{flex-shrink:0;max-height:35%;overflow-y:auto}.panel-chat{flex:1;display:flex;flex-direction:column;min-height:0}button{font-family:var(--font-sans);font-size:13px;font-weight:600;border:none;border-radius:8px;padding:8px 16px;cursor:pointer;transition:background .15s,opacity .15s}button:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--bg-primary)}.btn-primary:hover:not(:disabled){background:#33ffb8}.btn-secondary{background:var(--bg-surface-hover);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:#2e2e3a}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#ff6e6e}.btn-small{padding:4px 10px;font-size:12px}select,input[type=number],input[type=text]{font-family:var(--font-sans);font-size:13px;background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);padding:6px 10px;outline:none;width:100%}input:focus{border-color:var(--accent)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:4px;background:var(--border);border-radius:2px;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);cursor:pointer}input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--accent);border:none;cursor:pointer}