:root{--color-primary: #1e40af;--color-primary-dark: #1e3a8a;--color-primary-light: #dbeafe;--color-surface: #ffffff;--color-background: #f8fafc;--color-text: #0f172a;--color-text-secondary: #64748b;--color-text-muted: #94a3b8;--color-border: #e2e8f0;--color-hover: #f1f5f9;--color-danger: #dc2626;--color-danger-light: #fef2f2;--color-success: #059669;--color-success-light: #ecfdf5;--color-warning: #d97706;--color-warning-light: #fffbeb;--radius: 8px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07), 0 2px 4px rgba(0, 0, 0, .06)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px;color:var(--color-text);background:var(--color-background);-webkit-font-smoothing:antialiased}.layout{display:flex;min-height:100vh}.layout-main{margin-left:240px;flex:1;display:flex;flex-direction:column}.page-content{padding:32px;flex:1}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.card-header{padding:20px 24px;border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between}.card-header h2{font-size:16px;font-weight:600}.card-body{padding:24px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:12px 16px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-secondary);background:var(--color-background);border-bottom:1px solid var(--color-border)}td{padding:14px 16px;font-size:14px;border-bottom:1px solid var(--color-border)}tr:hover td{background:var(--color-hover)}.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;font-size:14px;font-weight:500;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;transition:all .15s ease;text-decoration:none;font-family:inherit}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover{background:var(--color-hover)}.btn-danger{background:var(--color-surface);color:var(--color-danger);border-color:var(--color-danger)}.btn-danger:hover{background:var(--color-danger-light)}.btn-sm{padding:6px 12px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:13px;font-weight:500;color:var(--color-text-secondary);margin-bottom:6px}.form-control{width:100%;padding:10px 14px;font-size:14px;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-text);transition:border-color .15s ease;outline:none;font-family:inherit}.form-control:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.form-control::placeholder{color:var(--color-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 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.badge{display:inline-block;padding:3px 10px;font-size:12px;font-weight:600;border-radius:12px}.badge-success{background:var(--color-success-light);color:var(--color-success)}.badge-danger{background:var(--color-danger-light);color:var(--color-danger)}.badge-warning{background:var(--color-warning-light);color:var(--color-warning)}.badge-info{background:var(--color-primary-light);color:var(--color-primary)}.badge-neutral{background:var(--color-hover);color:var(--color-text-secondary)}.modal-overlay{position:fixed;inset:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .15s ease}.modal{background:var(--color-surface);border-radius:12px;width:480px;max-width:90vw;max-height:90vh;display:flex;flex-direction:column;box-shadow:var(--shadow-md);animation:scaleIn .2s ease}.modal-header{padding:20px 24px;border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between}.modal-header h3{font-size:16px;font-weight:600}.modal-close{background:none;border:none;font-size:20px;color:var(--color-text-secondary);cursor:pointer;padding:4px 8px;border-radius:4px}.modal-close:hover{background:var(--color-hover)}.modal-body{padding:24px;overflow-y:auto;flex:1}.modal-footer{padding:16px 24px;border-top:1px solid var(--color-border);display:flex;justify-content:flex-end;gap:8px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:28px}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px 24px}.stat-label{font-size:13px;color:var(--color-text-secondary);font-weight:500;margin-bottom:8px}.stat-value{font-size:28px;font-weight:700;color:var(--color-text)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-background)}.auth-card{width:420px;max-width:90vw;background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:40px;box-shadow:var(--shadow-md)}.auth-brand{text-align:center;margin-bottom:32px}.auth-brand .brand-icon{width:48px;height:48px;background:var(--color-primary);color:#fff;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:22px;margin-bottom:12px}.auth-brand h1{font-size:22px;font-weight:700}.auth-brand p{font-size:14px;color:var(--color-text-secondary);margin-top:6px}.auth-footer{text-align:center;margin-top:20px;font-size:14px;color:var(--color-text-secondary)}.auth-footer a{color:var(--color-primary);text-decoration:none;font-weight:500}.auth-footer a:hover{text-decoration:underline}.alert{padding:12px 16px;border-radius:var(--radius);font-size:14px;margin-bottom:20px}.alert-error{background:var(--color-danger-light);color:var(--color-danger);border:1px solid #fecaca}.alert-success{background:var(--color-success-light);color:var(--color-success);border:1px solid #a7f3d0}.text-muted{color:var(--color-text-secondary)}.text-sm{font-size:13px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}