:root{--gray-50: #fafafa;--gray-100: #f5f5f5;--gray-200: #e5e5e5;--gray-300: #d4d4d4;--gray-400: #a3a3a3;--gray-500: #737373;--gray-600: #525252;--gray-700: #404040;--gray-800: #262626;--gray-850: #1f1f1f;--gray-900: #171717;--gray-950: #0a0a0a;--accent-50: #f8fafc;--accent-100: #f1f5f9;--accent-200: #e2e8f0;--accent-300: #cbd5e1;--accent-400: #94a3b8;--accent-500: #64748b;--accent-600: #475569;--accent-700: #334155;--accent-800: #1e293b;--accent-900: #0f172a;--success: #6b8e70;--warning: #a08558;--danger: #a07070;--bg-primary: #fafafa;--bg-secondary: #ffffff;--bg-tertiary: #f5f5f5;--bg-elevated: #ffffff;--bg-hover: #f0f0f0;--text-primary: #171717;--text-secondary: #525252;--text-muted: #737373;--text-disabled: #a3a3a3;--border-subtle: #e5e5e5;--border-medium: #d4d4d4;--border-strong: #a3a3a3;--accent: var(--accent-600);--accent-hover: var(--accent-500);--shadow-sm: 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .08), 0 2px 4px -2px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .04);--font-sans: "Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", Monaco, Consolas, monospace;--radius: 12px;--radius-sm: 6px;--radius-lg: 16px;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease}body.dark-mode{--bg-primary: #1a1a1a;--bg-secondary: #222222;--bg-tertiary: #2a2a2a;--bg-elevated: #252525;--bg-hover: #333333;--text-primary: #e5e5e5;--text-secondary: #d4d4d4;--text-muted: #a3a3a3;--text-disabled: #737373;--border-subtle: #2a2a2a;--border-medium: #333333;--border-strong: #404040;--accent: var(--accent-400);--accent-hover: var(--accent-300);--success: #86a58d;--warning: #b89968;--danger: #b88a8a;--shadow-sm: 0 2px 4px -1px rgba(0, 0, 0, .2);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .25), 0 2px 4px -2px rgba(0, 0, 0, .15);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -4px rgba(0, 0, 0, .2)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;transition:background var(--transition-slow),color var(--transition-slow);-webkit-font-smoothing:antialiased}.text-right{text-align:right!important}.text-mono{font-family:var(--font-mono);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.header{padding:1.25rem 2rem;border-bottom:1px solid var(--border-subtle);display:flex;justify-content:space-between;align-items:center;background:var(--bg-secondary)}.header-left{display:flex;align-items:center;gap:1rem}.logo{display:flex;align-items:center;gap:.5rem;font-size:1.25rem;font-weight:700;color:var(--text-primary)}.logo-icon{width:28px;height:28px;border-radius:6px}.header-actions{display:flex;align-items:center;gap:.75rem}.theme-toggle{background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:.5rem;cursor:pointer;font-size:1.1rem;line-height:1;transition:all var(--transition-fast)}.theme-toggle:hover{background:var(--bg-hover);border-color:var(--border-medium)}.container{max-width:1400px;margin:0 auto;padding:2rem}.card{background:var(--bg-secondary);border-radius:var(--radius);padding:1.5rem;border:1px solid var(--border-subtle);box-shadow:var(--shadow-sm);transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-md);border-color:var(--border-medium)}.tab-nav{display:flex;gap:0;margin-bottom:1.5rem;border-bottom:1px solid var(--border-subtle);background:var(--bg-secondary);border-radius:var(--radius) var(--radius) 0 0}.tab-btn{padding:1rem 1.5rem;background:transparent;border:none;color:var(--text-muted);font-weight:600;font-size:.9rem;cursor:pointer;position:relative;transition:color var(--transition-fast);display:flex;align-items:center;gap:.5rem}.tab-btn:hover,.tab-btn.active{color:var(--text-primary)}.filter-group{display:flex;background:var(--bg-tertiary);padding:2px;border-radius:var(--radius-sm);border:1px solid var(--border-subtle)}.filter-btn{padding:.25rem .75rem;border:none;background:transparent;color:var(--text-muted);font-size:.75rem;font-weight:600;cursor:pointer;border-radius:calc(var(--radius-sm) - 2px);transition:all var(--transition-fast)}.filter-btn:hover{color:var(--text-primary)}.filter-btn.active{background:var(--bg-secondary);color:var(--accent);box-shadow:var(--shadow-sm)}.tab-btn.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--gray-800)}body.dark-mode .tab-btn.active:after{background:var(--gray-200)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:1.5rem}.stat-card{text-align:center;padding:1.25rem}.stat-value{font-size:1.75rem;font-weight:700;font-family:var(--font-mono);color:var(--text-primary)}.stat-label{color:var(--text-muted);font-size:.8rem;margin-top:.25rem;text-transform:uppercase;letter-spacing:.05em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.25rem;border:none;border-radius:var(--radius-sm);font-weight:600;font-size:.875rem;cursor:pointer;transition:all var(--transition-fast)}.btn-primary{background:var(--gray-800);color:var(--gray-50);box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){background:var(--gray-700);transform:translateY(-1px);box-shadow:var(--shadow-md)}body.dark-mode .btn-primary{background:var(--gray-200);color:var(--gray-900)}body.dark-mode .btn-primary:hover:not(:disabled){background:var(--gray-100)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-subtle)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-medium)}.btn-success{background:var(--success);color:#fff;box-shadow:var(--shadow-sm)}.btn-success:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-1px);box-shadow:var(--shadow-md)}.input{padding:.625rem .875rem;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.875rem;transition:border-color var(--transition-fast)}.input:focus{outline:none;border-color:var(--accent)}.date-picker-row{display:flex;gap:.75rem;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;padding:1rem;background:var(--bg-secondary);border-radius:var(--radius);border:1px solid var(--border-subtle)}.data-table{width:100%;border-collapse:collapse;font-size:.875rem}.data-table th,.data-table td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border-subtle)}.data-table th{background:var(--bg-tertiary);color:var(--text-muted);font-weight:600;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;text-align:center}.data-table tbody tr:hover td{background:var(--bg-hover)}.report-table{width:100%;border-collapse:collapse;font-size:.8rem}.report-table th,.report-table td{padding:.5rem .75rem;border:1px solid var(--border-subtle)}.report-table th{background:var(--bg-tertiary);color:var(--text-muted);font-weight:600;font-size:.7rem;white-space:nowrap;text-align:center}.report-table tbody tr:hover td{background:var(--bg-hover)}.change-positive{color:var(--success)}.change-negative{color:var(--danger)}.highlight-cell{background:#a0855826!important}.spinner{width:40px;height:40px;border:3px solid var(--border-subtle);border-top-color:var(--text-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.spinning{animation:spin 1s linear infinite}@media(max-width:768px){.container{padding:1rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat-value{font-size:1.25rem}.header{padding:1rem}.date-picker-row{padding:.75rem}}