:root{--bg-primary: #f8f9fb;--bg-secondary: #ffffff;--bg-tertiary: #f0f2f5;--bg-hover: #e8ebf0;--text-primary: #1a1d23;--text-secondary: #5f6672;--text-muted: #9ba3b0;--border-color: #e2e5ea;--border-light: #eef0f3;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-light: #eff6ff;--accent-muted: #93c5fd;--success: #16a34a;--success-light: #f0fdf4;--warning: #d97706;--warning-light: #fffbeb;--danger: #dc2626;--danger-light: #fef2f2;--shadow-sm: 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.06);--shadow-lg: 0 8px 24px rgba(0,0,0,.08);--radius: 8px;--radius-lg: 12px;--transition: .2s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Noto Sans KR,Inter,system-ui,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}.app-layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--bg-secondary);border-right:1px solid var(--border-color);padding:20px 0;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-logo{padding:0 20px 20px;border-bottom:1px solid var(--border-light);margin-bottom:12px}.sidebar-logo h1{font-size:16px;font-weight:700;color:var(--accent);letter-spacing:-.3px}.sidebar-logo span{font-size:11px;color:var(--text-muted);display:block;margin-top:2px}.sidebar-nav{flex:1;padding:0 8px}.nav-group-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);padding:16px 12px 6px}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:6px;color:var(--text-secondary);text-decoration:none;font-size:13px;font-weight:500;cursor:pointer;transition:var(--transition);margin-bottom:2px}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-item.active{background:var(--accent-light);color:var(--accent);font-weight:600}.nav-item .icon{width:18px;text-align:center;font-size:15px}.main-content{flex:1;margin-left:220px;padding:24px 32px;min-height:100vh}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.page-title{font-size:22px;font-weight:700;letter-spacing:-.5px;color:var(--text-primary)}.page-subtitle{font-size:13px;color:var(--text-muted);margin-top:2px}.card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.card-header{padding:16px 20px;border-bottom:1px solid var(--border-light);display:flex;justify-content:space-between;align-items:center}.card-body{padding:20px}.data-table{width:100%;border-collapse:collapse}.data-table th{padding:10px 14px;text-align:left;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);background:var(--bg-tertiary);border-bottom:1px solid var(--border-color);white-space:nowrap}.data-table td{padding:10px 14px;border-bottom:1px solid var(--border-light);font-size:13px;color:var(--text-primary);vertical-align:middle}.data-table tr:hover td{background:var(--bg-tertiary)}.data-table .code-cell{font-family:SF Mono,Consolas,monospace;font-size:12px;font-weight:600;color:var(--accent)}.data-table .muted-cell{color:var(--text-muted);font-size:12px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:var(--transition);white-space:nowrap}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-secondary);color:var(--text-secondary);border-color:var(--border-color)}.btn-secondary:hover{background:var(--bg-tertiary);color:var(--text-primary)}.btn-danger{background:var(--danger-light);color:var(--danger);border-color:#dc262633}.btn-danger:hover{background:var(--danger);color:#fff}.btn-sm{padding:5px 10px;font-size:12px}.btn-group{display:flex;gap:6px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:12px;font-weight:600;color:var(--text-secondary);margin-bottom:5px}.form-control{width:100%;padding:9px 12px;border:1px solid var(--border-color);border-radius:6px;font-size:13px;color:var(--text-primary);background:var(--bg-secondary);transition:var(--transition);font-family:inherit}.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1a}.form-control::placeholder{color:var(--text-muted)}select.form-control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ba3b0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:30px}.form-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.search-bar{display:flex;gap:10px;margin-bottom:16px;align-items:center}.search-input{flex:1;max-width:360px;padding:9px 14px 9px 36px;border:1px solid var(--border-color);border-radius:6px;font-size:13px;color:var(--text-primary);background:var(--bg-secondary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ba3b0' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E") no-repeat 12px center;transition:var(--transition)}.search-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1a}.pagination{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-top:1px solid var(--border-light);font-size:13px;color:var(--text-muted)}.pagination-info{font-size:12px}.pagination-buttons{display:flex;gap:4px}.pagination-buttons button{padding:5px 10px;border:1px solid var(--border-color);background:var(--bg-secondary);border-radius:4px;cursor:pointer;font-size:12px;color:var(--text-secondary);transition:var(--transition)}.pagination-buttons button:hover{background:var(--bg-tertiary)}.pagination-buttons button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.pagination-buttons button:disabled{opacity:.4;cursor:not-allowed}.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600}.badge-success{background:var(--success-light);color:var(--success)}.badge-warning{background:var(--warning-light);color:var(--warning)}.badge-danger{background:var(--danger-light);color:var(--danger)}.badge-info{background:var(--accent-light);color:var(--accent)}.modal-overlay{position:fixed;inset:0;background:#0000004d;backdrop-filter:blur(2px);z-index:1000;display:flex;align-items:center;justify-content:center;animation:fadeIn .15s ease}.modal{background:var(--bg-secondary);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:640px;max-height:85vh;overflow-y:auto;animation:slideUp .2s ease}.modal-header{padding:16px 20px;border-bottom:1px solid var(--border-light);display:flex;justify-content:space-between;align-items:center}.modal-header h3{font-size:16px;font-weight:600}.modal-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--text-muted);padding:4px;line-height:1}.modal-close:hover{color:var(--text-primary)}.modal-body{padding:20px}.modal-footer{padding:14px 20px;border-top:1px solid var(--border-light);display:flex;justify-content:flex-end;gap:8px}.toast-container{position:fixed;top:20px;right:20px;z-index:2000;display:flex;flex-direction:column;gap:8px}.toast{padding:12px 16px;border-radius:8px;background:var(--bg-secondary);border:1px solid var(--border-color);box-shadow:var(--shadow-md);font-size:13px;animation:slideIn .2s ease;min-width:280px}.toast.success{border-left:3px solid var(--success)}.toast.error{border-left:3px solid var(--danger)}.empty-state{text-align:center;padding:48px 20px;color:var(--text-muted)}.empty-state .icon{font-size:40px;margin-bottom:12px;opacity:.4}.empty-state p{font-size:14px}.loading{display:flex;justify-content:center;padding:40px}.spinner{width:28px;height:28px;border:3px solid var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(12px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes slideIn{0%{transform:translate(20px);opacity:0}to{transform:translate(0);opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.sidebar{width:60px}.sidebar-logo h1,.sidebar-logo span,.nav-group-label,.nav-item span{display:none}.nav-item{justify-content:center;padding:12px}.main-content{margin-left:60px;padding:16px}.form-row{grid-template-columns:1fr}.page-header{flex-direction:column;gap:10px;align-items:flex-start}}