:root{--bg:#f4f6fb;--card:#fff;--border:#e3e8f0;--text:#1f2937;--muted:#6b7280;--primary:#2563eb;--primary-dark:#1d4ed8;--ok:#16a34a;--warn:#d97706;--danger:#dc2626}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}.shell{display:flex;min-height:100vh}.sidebar{width:250px;background:#0f172a;color:#cbd5e1;display:flex;flex-direction:column;padding:20px 14px}.brand{font-weight:700;color:#fff;font-size:18px;padding:6px 10px 18px}.nav-link{display:block;padding:10px 12px;border-radius:8px;color:#cbd5e1;margin-bottom:4px}.nav-link:hover{background:#1e293b;color:#fff}.nav-link.active{background:var(--primary);color:#fff}.logout{margin-top:auto;background:transparent;border:1px solid #334155;color:#cbd5e1;padding:10px;border-radius:8px;cursor:pointer}.logout:hover{background:#1e293b;color:#fff}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{background:var(--card);border-bottom:1px solid var(--border);padding:16px 28px;display:flex;align-items:center;gap:14px}.topbar-name{font-weight:600}.topbar-sub{color:var(--muted);font-size:13px}.content{padding:28px}.menu-btn{display:none;background:transparent;border:0;color:var(--text);font-size:24px;line-height:1;padding:4px 8px;cursor:pointer;border-radius:8px}.menu-btn:hover{background:#eef2ff}.nav-backdrop{display:none}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:20px}.card h2{margin:0 0 14px;font-size:16px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.stat{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px}.stat .label{color:var(--muted);font-size:13px}.stat .value{font-size:26px;font-weight:700;margin-top:6px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}.badge.pending{background:#fef3c7;color:var(--warn)}.badge.approved{background:#dcfce7;color:var(--ok)}.badge.rejected{background:#fee2e2;color:var(--danger)}.empty{text-align:center;color:var(--muted);padding:40px 10px}button{background:var(--primary);color:#fff;border:0;padding:10px 16px;border-radius:8px;cursor:pointer;font-size:14px}button:hover{background:var(--primary-dark)}button.secondary{background:#eef2ff;color:var(--primary)}button:disabled{opacity:.6;cursor:default}.row-actions{display:flex;gap:10px;flex-wrap:wrap}label{display:block;font-size:13px;color:var(--muted);margin-bottom:12px}input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:8px;font-size:14px;margin-top:4px;font-family:inherit}.form-error{background:#fee2e2;color:var(--danger);padding:10px 12px;border-radius:8px;margin-bottom:12px;font-size:14px}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:28px;width:100%;max-width:380px}.auth-card h1{margin:0 0 18px;font-size:22px}.auth-card button{width:100%;margin-top:6px}.auth-alt{text-align:center;font-size:14px;color:var(--muted);margin:16px 0 0}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;padding:20px}.modal{background:var(--card);border-radius:14px;padding:24px;width:100%;max-width:440px}.modal h3{margin:0 0 16px}@media (max-width:760px){.shell{flex-direction:column}.menu-btn{display:block}.sidebar{position:fixed;top:0;left:0;bottom:0;width:78%;max-width:300px;transform:translate(-100%);transition:transform .25s ease;z-index:50}.sidebar.open{transform:translate(0);box-shadow:0 12px 40px #0206178c}.nav-link{margin-bottom:6px}.nav-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;z-index:40}.content{padding:18px 16px}h1{font-size:24px;margin-top:8px}.card{overflow-x:auto}th,td{white-space:nowrap}}