:root{--bg: #f5f6fa;--surface: #ffffff;--border: rgba(0, 0, 0, .08);--text: #0f172a;--muted: #64748b;--primary: #4361ee;--primary-hover: #3a56d4;--primary-light: rgba(67, 97, 238, .1);--danger: #ef4444;--success: #10b981;--warn: #f59e0b;--radius: 12px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .06)}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.admin-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.admin-sidebar{background:var(--surface);border-right:1px solid var(--border);padding:24px 16px;display:flex;flex-direction:column}.admin-sidebar__brand{font-size:20px;font-weight:900;color:var(--primary);letter-spacing:-.5px;padding:4px 12px 24px}.admin-sidebar__nav{display:flex;flex-direction:column;gap:4px;flex:1}.admin-sidebar__item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--muted);font-size:14px;font-weight:600;cursor:pointer;text-decoration:none}.admin-sidebar__item:hover{background:#4361ee0d;color:var(--text);text-decoration:none}.admin-sidebar__item.active{background:var(--primary-light);color:var(--primary)}.admin-sidebar__footer{font-size:12px;color:var(--muted);border-top:1px solid var(--border);padding-top:12px}.admin-main{padding:32px 36px 60px;max-width:1280px;width:100%;margin:0 auto}.admin-page-title{margin:0 0 24px;font-size:24px;font-weight:800;letter-spacing:-.5px}.metric-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:28px}.metric-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow-sm)}.metric-card__label{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}.metric-card__value{margin-top:8px;font-size:28px;font-weight:800;letter-spacing:-1px}.metric-card__sub{margin-top:6px;font-size:12px;color:var(--muted)}.chart-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px;box-shadow:var(--shadow-sm)}.chart-card__title{margin:0 0 12px;font-size:14px;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}.data-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.data-table th,.data-table td{padding:12px 16px;text-align:left;font-size:14px;border-bottom:1px solid var(--border)}.data-table th{background:#00000005;font-weight:700;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px}.data-table tbody tr:hover{background:#4361ee08;cursor:pointer}.data-table tbody tr:last-child td{border-bottom:none}.badge{display:inline-block;padding:2px 10px;border-radius:100px;font-size:11px;font-weight:700}.badge--green{background:#10b9811f;color:#047857}.badge--red{background:#ef44441f;color:#b91c1c}.badge--gray{background:#64748b1f;color:#475569}.badge--purple{background:var(--primary-light);color:var(--primary)}.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:10px;border:1px solid transparent;font-weight:700;font-size:14px;cursor:pointer;transition:all .15s}.btn--primary{background:var(--primary);color:#fff}.btn--primary:hover{background:var(--primary-hover)}.btn--secondary{background:var(--surface);border-color:var(--border);color:var(--text)}.btn--secondary:hover{background:var(--bg)}.btn--danger{background:var(--danger);color:#fff}.btn:disabled{opacity:.6;cursor:not-allowed}.input,.select{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:10px;font-size:14px;background:var(--surface);color:var(--text)}.input:focus,.select:focus{outline:2px solid var(--primary-light);border-color:var(--primary)}.field{margin-bottom:16px}.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}.error-msg{background:#ef44441a;color:#b91c1c;padding:10px 14px;border-radius:10px;font-size:14px;margin-bottom:16px}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-card{width:100%;max-width:380px;background:var(--surface);border-radius:16px;border:1px solid var(--border);padding:32px 28px;box-shadow:var(--shadow-md)}.login-brand{text-align:center;font-size:24px;font-weight:900;color:var(--primary);margin-bottom:8px}.login-subtitle{text-align:center;font-size:13px;color:var(--muted);margin-bottom:24px}