:root{--color-primary: #1e40af;--color-primary-hover: #1d4ed8;--color-primary-light: #dbeafe;--color-danger: #dc2626;--color-danger-hover: #b91c1c;--color-success: #16a34a;--color-warning: #f59e0b;--color-bg: #f1f5f9;--color-surface: #ffffff;--color-text: #1e293b;--color-text-muted: #64748b;--color-border: #e2e8f0;--color-sidebar: #0f172a;--color-sidebar-text: #cbd5e1;--color-sidebar-active: #1e40af;--radius: 6px;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 12px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}#app{min-height:100vh}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button,.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:14px;font-weight:500;font-family:inherit;cursor:pointer;transition:all .15s ease;background:var(--color-surface);color:var(--color-text)}button:hover,.btn:hover{background:var(--color-bg)}.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:hover{background:var(--color-primary-hover)}.btn-danger{background:var(--color-danger);color:#fff;border-color:var(--color-danger)}.btn-danger:hover{background:var(--color-danger-hover)}.btn-sm{padding:4px 10px;font-size:13px}input,select,textarea{width:100%;padding:8px 12px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:14px;font-family:inherit;background:var(--color-surface);color:var(--color-text);transition:border-color .15s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}label{display:block;font-size:14px;font-weight:500;margin-bottom:4px;color:var(--color-text)}table{width:100%;border-collapse:collapse;background:var(--color-surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}thead{background:var(--color-bg)}th{text-align:left;padding:12px 16px;font-size:13px;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--color-border)}td{padding:12px 16px;font-size:14px;border-bottom:1px solid var(--color-border)}tr:last-child td{border-bottom:none}tr:hover td{background:var(--color-bg)}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:500}.badge-success{background:#dcfce7;color:#166534}.badge-danger{background:#fee2e2;color:#991b1b}.badge-info{background:var(--color-primary-light);color:var(--color-primary)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-header h1{font-size:24px;font-weight:700}.card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.form-group{margin-bottom:16px}.form-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:24px}.alert{padding:12px 16px;border-radius:var(--radius);margin-bottom:16px;font-size:14px}.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}