:root{--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: #eff6ff;--danger: #dc2626;--danger-light: #fef2f2;--success: #16a34a;--success-light: #f0fdf4;--text: #111827;--text-muted: #6b7280;--border: #e5e7eb;--bg: #f9fafb;--surface: #ffffff;--surface-raised: #f3f4f6;--radius: 6px;--radius-lg: 10px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px -1px rgba(0, 0, 0, .1)}*,*:before,*:after{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica Neue,Arial,sans-serif;font-size:14px;line-height:1.5;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}h1{font-size:1.375rem;font-weight:700;margin:0 0 1.5rem;letter-spacing:-.02em}h2{font-size:1.0625rem;font-weight:600;margin:0 0 1rem}h3{font-size:.9375rem;font-weight:600;margin:0 0 .75rem}p{margin:0 0 1rem}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}input:not([type=checkbox]):not([type=radio]),select,textarea{display:block;width:100%;padding:.4375rem .75rem;font-size:14px;font-family:inherit;line-height:1.5;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);outline:none;transition:border-color .15s,box-shadow .15s;appearance:none}input[type=checkbox],input[type=radio]{width:1rem;height:1rem;margin:0;padding:0;flex-shrink:0;accent-color:var(--primary)}input:not([type=checkbox]):not([type=radio]):focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}input:disabled,select:disabled,textarea:disabled{background:var(--surface-raised);cursor:not-allowed;opacity:.6}select{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");background-position:right .5rem center;background-repeat:no-repeat;background-size:1.25rem;padding-right:2.25rem}input[type=search]::-webkit-search-cancel-button{-webkit-appearance:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.375rem;padding:.4375rem .875rem;font-size:14px;font-family:inherit;font-weight:500;line-height:1.5;border-radius:var(--radius);border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,color .15s,opacity .15s;text-decoration:none;white-space:nowrap;-webkit-user-select:none;user-select:none}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);text-decoration:none}.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border)}.btn-secondary:hover{background:var(--surface-raised);text-decoration:none}.btn-danger{background:transparent;color:var(--danger);border-color:var(--border)}.btn-danger:hover{background:var(--danger-light);border-color:var(--danger);text-decoration:none}.btn-ghost{background:transparent;color:var(--text-muted);border-color:transparent}.btn-ghost:hover{background:var(--surface-raised);color:var(--text);text-decoration:none}.btn-sm{padding:.25rem .625rem;font-size:12px}table{width:100%;border-collapse:collapse}th,td{padding:.5625rem 1rem;text-align:left;border-bottom:1px solid var(--border);font-size:13px}th{font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);background:var(--surface-raised);white-space:nowrap}tr:last-child td{border-bottom:none}tbody tr:hover td{background:#fafafa}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.card-header{padding:.875rem 1.25rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-title{font-weight:600;font-size:14px;margin:0}.card-body{padding:1.25rem}.field{margin-bottom:.875rem}.field label{display:block;font-size:13px;font-weight:500;margin-bottom:.3125rem;color:var(--text)}.field .hint{font-size:12px;color:var(--text-muted);margin-top:.25rem}.optional{font-size:11px;color:var(--text-muted);font-weight:400;margin-left:.25rem}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.alert{padding:.625rem .875rem;border-radius:var(--radius);font-size:13px;line-height:1.4}.alert-error{background:var(--danger-light);color:var(--danger);border:1px solid #fca5a5}.alert-success{background:var(--success-light);color:var(--success);border:1px solid #86efac}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}.page-header h1{margin:0}.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;text-align:center;color:var(--text-muted)}.empty-state p{margin:0;font-size:15px}.form-edit-banner{display:flex;align-items:center;justify-content:space-between;padding:.5rem .75rem;background:var(--primary-light);border-radius:var(--radius);margin-bottom:1rem;font-size:13px;color:var(--primary)}.form-actions{margin-top:1.25rem;display:flex;gap:.5rem;align-items:center}.fieldset-plain{border:none;padding:0;margin:0;min-width:0}.fieldset-plain legend{font-size:13px;font-weight:500;margin-bottom:.3125rem;color:var(--text);padding:0;width:100%}