*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-light: #60a5fa;--primary-dark: #1d4ed8;--bg: #f8fafc;--surface: #ffffff;--border: #e2e8f0;--text: #0f172a;--text-muted: #64748b;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--radius: 12px;--shadow: 0 4px 12px rgba(0,0,0,.05);font-family:Inter,system-ui,sans-serif}body{background:var(--bg);color:var(--text);line-height:1.6}.admin-layout{display:flex;min-height:100vh}.sidebar{width:280px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column}.sidebar-header{padding:24px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}.sidebar-header h2{font-size:1.25rem;font-weight:700}.sidebar-nav{padding:16px;flex:1}.nav-link{display:flex;align-items:center;padding:12px 16px;color:var(--text-muted);text-decoration:none;border-radius:8px;font-weight:500;margin-bottom:8px;transition:all .2s}.nav-link:hover{background:#f1f5f9;color:var(--text)}.nav-link.active{background:#eff6ff;color:var(--primary)}.sidebar-footer{padding:20px;border-top:1px solid var(--border)}.main-content{flex:1;padding:40px;overflow-y:auto}.page-header{margin-bottom:32px}.page-header h1{font-size:1.8rem;font-weight:700;margin-bottom:8px}.page-header p{color:var(--text-muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.table-container{overflow-x:auto;margin-top:16px}table{width:100%;border-collapse:collapse}th{text-align:left;padding:16px;font-size:.85rem;color:var(--text-muted);font-weight:600;text-transform:uppercase;border-bottom:2px solid var(--border)}td{padding:16px;border-bottom:1px solid var(--border);color:var(--text);font-size:.95rem;vertical-align:middle}tr:last-child td{border-bottom:none}tr:hover td{background:#f8fafc}.badge{display:inline-block;padding:6px 12px;border-radius:20px;font-size:.8rem;font-weight:600}.badge-warning{background:#fef3c7;color:#b45309}.badge-success{background:#d1fae5;color:#047857}.badge-error{background:#fee2e2;color:#b91c1c}.badge-muted{background:#f1f5f9;color:#64748b}.btn{padding:8px 16px;border-radius:6px;font-size:.9rem;font-weight:600;cursor:pointer;border:none;transition:opacity .2s}.btn:hover:not(:disabled){opacity:.85}.btn:disabled{cursor:not-allowed;opacity:.6}.btn-primary{background:var(--primary);color:#fff}.flex-between{display:flex;justify-content:space-between;align-items:center}.login-center{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{max-width:400px;width:100%}.form-input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:6px;margin-bottom:16px;font-family:inherit}.input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:6px;font-family:inherit;font-size:.95rem;background:var(--bg);color:var(--text);transition:border-color .2s}.input:focus{outline:none;border-color:var(--primary)}.label{display:block;font-size:.82rem;font-weight:600;color:var(--text-muted);margin-bottom:6px}