:root{--bg:#f8f9fa;--panel:#fff;--panel-alt:#fef2f2;--surface:#e9ecef;--text:#495057;--text-d:#0b459e;--border:#e5e7eb;--red:#dc3545;--soft-red:#fca5a5;--warm:#ef4444;--shadow:#00000014 0 4px 12px;--font:"Segoe UI", Roboto, system-ui, sans-serif}*{box-sizing:border-box}html,body,#root{width:100%;min-height:100vh;font-family:var(--font);color:var(--text);background:var(--bg);margin:0}.admin-shell{grid-template-columns:240px 1fr;min-height:100vh;display:grid}.sidebar{background:var(--panel);border-right:1px solid var(--border);min-height:100vh;padding:1.2rem .8rem}.sidebar .brand{color:var(--text-d);margin-bottom:1.2rem;font-weight:700}.sidebar nav{flex-direction:column;gap:.6rem;display:flex}.sidebar a{color:#495057;background:snow;border:1px solid #0000;border-radius:5px;padding:.55rem .8rem;text-decoration:none}.sidebar a.active-link,.sidebar a:hover{background:var(--surface);color:var(--text-d);border-color:var(--border)}.content-area{background:var(--bg);flex-direction:column;min-height:100vh;display:flex}.topbar{background:var(--panel);border-bottom:1px solid var(--border);box-shadow:var(--shadow);justify-content:space-between;align-items:center;padding:.9rem 1rem;display:flex}.topbar h1{margin:0;font-size:1.1rem}.topbar-right{align-items:center;gap:.7rem;display:flex}.main-content{background:var(--bg);flex:1;padding:1.2rem}.footer{text-align:right;border-top:1px solid var(--border);background:var(--panel-alt);padding:.7rem 1rem;font-size:.85rem}.login-page{background:var(--bg);place-items:center;min-height:100vh;display:grid}.login-card{background:var(--panel);border:1px solid var(--border);width:min(100%,380px);box-shadow:var(--shadow);border-radius:10px;padding:1.2rem}.login-card h2{color:var(--text-d);margin-top:0}.login-card form{gap:.8rem;display:grid}.login-card input{border:1px solid var(--border);border-radius:6px;width:100%;padding:.6rem}.btn-primary,.btn-secondary,.btn-danger{cursor:pointer;border:none;border-radius:6px;padding:.55rem .9rem;font-weight:600}.btn-primary{color:#fff;background:#0b459e}.btn-secondary{color:#495057;background:#e9ecef}.btn-danger{color:#fff;background:#dc3545}.error-text{color:#dc3545;margin:0}.card-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1rem;display:grid}.card{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:.8rem}.crud-form{gap:.6rem;margin-bottom:1rem;display:grid}.crud-form input{border:1px solid var(--border);border-radius:5px;width:100%;padding:.5rem}.crud-table{border-collapse:collapse;width:100%}.crud-table th,.crud-table td{border:1px solid var(--border);text-align:left;padding:.6rem}.crud-table tbody tr:nth-child(2n){background:#fef2f2}@media (width<=860px){.admin-shell{grid-template-columns:1fr}.sidebar{width:100%;min-height:auto;position:static}.wrapped-content{padding-top:0}}