@import"https://fonts.googleapis.com/css2?family=Pretendard:wght@300;400;500;600;700&display=swap";:root{--color-bg: #0F1923;--color-surface: #1A2535;--color-surface-2: #1F2D40;--color-border: #2A3A50;--color-border-light: #334455;--color-primary: #2E7CF6;--color-primary-hover: #1A6AE0;--color-primary-dim: rgba(46, 124, 246, .15);--color-success: #22C55E;--color-success-dim: rgba(34, 197, 94, .12);--color-warning: #F59E0B;--color-warning-dim: rgba(245, 158, 11, .12);--color-danger: #EF4444;--color-danger-dim: rgba(239, 68, 68, .12);--color-text-primary: #F0F4F8;--color-text-secondary: #8A9BB0;--color-text-muted: #556677;--font-family: "Pretendard", -apple-system, sans-serif;--font-size-xs: 11px;--font-size-sm: 13px;--font-size-md: 14px;--font-size-lg: 16px;--font-size-xl: 20px;--font-size-2xl: 24px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--sidebar-width: 220px;--header-height: 56px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:var(--color-bg);color:var(--color-text-primary);font-size:var(--font-size-md);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit}.app-layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-width);background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;flex-shrink:0;z-index:100}.sidebar-logo{height:var(--header-height);display:flex;align-items:center;padding:0 20px;border-bottom:1px solid var(--color-border)}.sidebar-logo-text{font-size:var(--font-size-lg);font-weight:700;color:var(--color-primary);letter-spacing:-.3px}.sidebar-logo-sub{font-size:var(--font-size-xs);color:var(--color-text-muted);margin-top:2px}.sidebar-nav{flex:1;padding:12px 0;overflow-y:auto}.nav-section{padding:0 12px;margin-bottom:4px}.nav-section-label{font-size:10px;font-weight:600;color:var(--color-text-muted);letter-spacing:.08em;text-transform:uppercase;padding:8px 8px 4px}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:var(--radius-md);color:var(--color-text-secondary);font-size:var(--font-size-sm);font-weight:500;transition:all .15s;cursor:pointer;border:none;background:none;width:100%;text-align:left}.nav-item:hover{background:var(--color-surface-2);color:var(--color-text-primary)}.nav-item.active{background:var(--color-primary-dim);color:var(--color-primary)}.nav-item svg{flex-shrink:0}.sidebar-footer{padding:12px;border-top:1px solid var(--color-border)}.main-area{flex:1;display:flex;flex-direction:column;overflow:hidden}.top-header{height:var(--header-height);background:var(--color-surface);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;flex-shrink:0}.page-title{font-size:var(--font-size-lg);font-weight:600}.page-content{flex:1;overflow-y:auto;padding:24px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:500;border:none;transition:all .15s;white-space:nowrap}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface-2);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{border-color:var(--color-border-light)}.btn-danger{background:var(--color-danger-dim);color:var(--color-danger);border:1px solid rgba(239,68,68,.2)}.btn-sm{padding:5px 12px;font-size:var(--font-size-xs)}.btn-lg{padding:11px 22px;font-size:var(--font-size-md)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card-title{font-size:var(--font-size-md);font-weight:600}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:99px;font-size:var(--font-size-xs);font-weight:500}.badge-blue{background:var(--color-primary-dim);color:var(--color-primary)}.badge-green{background:var(--color-success-dim);color:var(--color-success)}.badge-yellow{background:var(--color-warning-dim);color:var(--color-warning)}.badge-red{background:var(--color-danger-dim);color:var(--color-danger)}.badge-gray{background:#8a9bb01f;color:var(--color-text-secondary)}.form-group{margin-bottom:16px}.form-label{display:block;font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary);margin-bottom:6px}.form-input,.form-select,.form-textarea{width:100%;background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:9px 12px;color:var(--color-text-primary);font-size:var(--font-size-sm);transition:border-color .15s;outline:none}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--color-primary)}.form-input::placeholder{color:var(--color-text-muted)}.form-select option{background:var(--color-surface-2)}.form-textarea{resize:vertical;min-height:100px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px}.stat-label{font-size:var(--font-size-xs);color:var(--color-text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}.stat-value{font-size:var(--font-size-2xl);font-weight:700;line-height:1;margin-bottom:6px}.stat-change{font-size:var(--font-size-xs);color:var(--color-text-muted)}.stat-change.up{color:var(--color-success)}.stat-change.down{color:var(--color-danger)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;font-size:var(--font-size-xs);font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;padding:10px 12px;border-bottom:1px solid var(--color-border)}td{padding:12px;font-size:var(--font-size-sm);border-bottom:1px solid var(--color-border)}tr:last-child td{border-bottom:none}tr:hover td{background:var(--color-surface-2)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:var(--color-text-muted);text-align:center}.empty-state svg{margin-bottom:12px;opacity:.4}.empty-state p{font-size:var(--font-size-sm)}.spinner{width:20px;height:20px;border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.sidebar{display:none}.sidebar.mobile-open{display:flex;position:fixed;top:0;right:0;bottom:0;left:0;width:100%}.page-content{padding:16px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.top-header{padding:0 16px}}