:root{
  --primary:#4f46e5;
  --primary-dark:#4338ca;
  --bg-grad-1:#4f46e5;
  --bg-grad-2:#7c3aed;
  --text:#1e293b;
  --muted:#64748b;
  --border:#e2e8f0;
  --danger:#ef4444;
  --success:#16a34a;
  --card-bg:#ffffff;
  --radius:16px;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--bg-grad-1),var(--bg-grad-2));
  padding:20px;
  color:var(--text);
}
body.admin-body{
  display:block;
  background:#f4f5fb;
  padding:0;
}
.auth-card{
  background:var(--card-bg);
  border-radius:var(--radius);
  box-shadow:0 20px 50px rgba(30,27,75,.25);
  width:100%;
  max-width:420px;
  padding:40px 36px;
}
.auth-logo{
  text-align:center;
  margin-bottom:24px;
}
.auth-logo .emoji{font-size:38px;display:block;margin-bottom:6px}
.auth-logo h1{font-size:20px;font-weight:800;color:var(--text)}
.auth-logo p{font-size:13px;color:var(--muted);margin-top:4px}
.field{margin-bottom:16px}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--text);
  margin-bottom:6px;
}
.field input{
  width:100%;
  padding:11px 14px;
  border:1.5px solid var(--border);
  border-radius:10px;
  font-size:14px;
  outline:none;
  transition:border-color .15s, box-shadow .15s;
  background:#f8fafc;
}
.field input:focus{
  border-color:var(--primary);
  background:#fff;
  box-shadow:0 0 0 3px rgba(79,70,229,.12);
}
.btn-primary{
  width:100%;
  padding:12px;
  background:var(--primary);
  color:#fff;
  border:none;
  border-radius:10px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:background .15s, transform .05s;
  margin-top:6px;
}
.btn-primary:hover{background:var(--primary-dark)}
.btn-primary:active{transform:scale(.98)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed}
.auth-alert{
  padding:10px 14px;
  border-radius:10px;
  font-size:13px;
  margin-bottom:16px;
  display:none;
}
.auth-alert.error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca;display:block}
.auth-alert.success{background:#f0fdf4;color:var(--success);border:1px solid #bbf7d0;display:block}
.auth-footer{
  text-align:center;
  margin-top:22px;
  font-size:13.5px;
  color:var(--muted);
}
.auth-footer a{color:var(--primary);font-weight:700;text-decoration:none}
.auth-footer a:hover{text-decoration:underline}
.spinner{
  display:inline-block;width:14px;height:14px;border:2px solid #fff;
  border-top-color:transparent;border-radius:50%;
  animation:spin .6s linear infinite;vertical-align:-2px;margin-right:6px;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* Área logada (index.php) */
.app-shell{max-width:640px;width:100%}
.app-header{
  display:flex;align-items:center;justify-content:space-between;
  background:#fff;border-radius:var(--radius);padding:20px 28px;
  box-shadow:0 20px 50px rgba(30,27,75,.2);
}
.app-header h2{font-size:18px}
.app-header .muted{color:var(--muted);font-size:13px}
.btn-logout{
  background:#fee2e2;color:#b91c1c;border:none;padding:9px 16px;
  border-radius:9px;font-weight:700;font-size:13px;cursor:pointer;text-decoration:none;
}
.btn-logout:hover{background:#fecaca}

@media(max-width:480px){
  .auth-card{padding:30px 22px}
}

/* ===================== Painel administrativo ===================== */
.admin-shell{max-width:960px;margin:0 auto;padding:28px 20px 60px}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  background:#fff;border-radius:14px;padding:16px 22px;margin-bottom:22px;
  box-shadow:0 10px 30px rgba(30,27,75,.10);
}
.topbar .brand{font-weight:800;font-size:16px;display:flex;align-items:center;gap:8px}
.topbar nav a{color:var(--muted);text-decoration:none;font-size:13.5px;font-weight:600;margin-right:18px}
.topbar nav a:hover,.topbar nav a.active{color:var(--primary)}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--primary);text-decoration:none;font-weight:600}

.panel{background:#fff;border-radius:14px;padding:24px;box-shadow:0 10px 30px rgba(30,27,75,.08);margin-bottom:20px}
.panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:10px}
.panel-top h1{font-size:19px}
.panel-top p{font-size:13px;color:var(--muted);margin-top:2px}

.btn-secondary{
  background:#eef2ff;color:var(--primary);border:none;padding:9px 16px;
  border-radius:9px;font-weight:700;font-size:13.5px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:6px;
}
.btn-secondary:hover{background:#e0e7ff}
.btn-sm{padding:6px 12px;font-size:12.5px;border-radius:7px}
.btn-danger-outline{
  background:#fff;color:var(--danger);border:1px solid #fecaca;padding:6px 12px;
  border-radius:7px;font-weight:700;font-size:12.5px;cursor:pointer;
}
.btn-danger-outline:hover{background:#fef2f2}

table.data-table{width:100%;border-collapse:collapse;font-size:13.5px}
table.data-table th{
  text-align:left;color:var(--muted);font-weight:700;font-size:11.5px;text-transform:uppercase;
  letter-spacing:.03em;padding:10px 12px;border-bottom:2px solid var(--border);
}
table.data-table td{padding:12px;border-bottom:1px solid var(--border);vertical-align:middle}
table.data-table tr:last-child td{border-bottom:none}
table.data-table tr:hover td{background:#fafbff}

.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11.5px;font-weight:700}
.badge-green{background:#dcfce7;color:#15803d}
.badge-gray{background:#f1f5f9;color:#64748b}

.empty-state{text-align:center;color:var(--muted);padding:36px 10px;font-size:13.5px}

.modal-backdrop{
  display:none !important;
  position:fixed;inset:0;background:rgba(15,23,42,.55);
  align-items:center;justify-content:center;z-index:1000;padding:20px;
}
.modal-backdrop.open{
  display:flex !important;
}
.modal-box{
  background:#fff;border-radius:16px;padding:26px;width:100%;max-width:420px;
  box-shadow:0 25px 60px rgba(0,0,0,.3);
}
.modal-box h3{font-size:17px;margin-bottom:16px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}
.btn-ghost{background:none;border:none;color:var(--muted);font-weight:700;font-size:13.5px;cursor:pointer;padding:9px 14px}
.btn-ghost:hover{color:var(--text)}

.checkbox-row{display:flex;align-items:center;gap:8px;margin-bottom:16px}
.checkbox-row input{width:auto}
.checkbox-row label{font-size:13.5px;font-weight:600;margin:0}

/* Dashboard */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:20px}
.stat-card{background:#fff;border-radius:14px;padding:18px 20px;box-shadow:0 10px 30px rgba(30,27,75,.08)}
.stat-card .stat-value{font-size:28px;font-weight:900;color:var(--text);line-height:1.1}
.stat-card .stat-label{font-size:12.5px;color:var(--muted);margin-top:4px}
.stat-card.warn .stat-value{color:#d97706}
.stat-card.warn .stat-icon{color:#d97706}
.stat-card .stat-icon{font-size:20px;margin-bottom:6px;display:block}