:root {
    --azul: #0345bf;
    --azul-oscuro: #0b3558;
    --gris: #f3f6fa;
    --texto: #1f2937;
    --borde: #dbe4ee;
    --verde: #0e9f6e;
    --rojo: #c0392b;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #eef3f8;
    color: var(--texto);
}
.container {
    width: min(1180px, 94%);
    margin: 0 auto;
}
.header {
    background: linear-gradient(135deg, var(--azul), var(--azul-oscuro));
    color: #fff;
    padding: 26px 0;
    box-shadow: 0 3px 12px rgba(0,0,0,.15);
}
.header h1 { margin: 0; font-size: 32px; }
.header p { margin: 8px 0 0; opacity: .92; }
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.btn, button, .btn-link {
    display: inline-block;
    background: var(--azul);
    color: #fff;
    text-decoration: none;
    border: 0;
    padding: 11px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}
.btn:hover, button:hover, .btn-link:hover { background: var(--azul-oscuro); }
.btn-secondary { background: #6b7280; }
.btn-danger { background: var(--rojo); }
.btn-success { background: var(--verde); }
.card, .panel {
    background: #fff;
    border: 1px solid var(--borde);
    border-radius: 14px;
    box-shadow: 0 6px 18px rgba(15,76,129,.08);
}
.filters {
    margin: 24px 0 18px;
    padding: 18px;
}
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 14px;
}
label { font-weight: bold; display: block; margin-bottom: 6px; }
input[type=text], input[type=url], input[type=email], input[type=password], select, input[type=file] {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid #cfd8e3;
    border-radius: 8px;
    background: #fff;
}
.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin: 20px 0 40px;
    align-items: start;
}
.muni-card {
    overflow: hidden;
}
.muni-card img, .img-placeholder {
    width: 100%;
    height: 190px;
    object-fit: cover;
    display: block;
    background: linear-gradient(135deg, #dbeafe, #c7d2fe);
}
.img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1d4ed8;
    font-weight: bold;
    font-size: 15px;
    text-align: center;
    padding: 16px;
}
.muni-body { padding: 16px; }
.muni-body h3 { margin: 0 0 10px; font-size: 20px; color: var(--azul-oscuro); }
.muni-body p { margin: 7px 0; line-height: 1.5; }
.muted { color: #6b7280; }
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}
th, td {
    border-bottom: 1px solid #e5e7eb;
    padding: 11px 10px;
    text-align: left;
    vertical-align: middle;
}
th {
    background: #eff6ff;
    color: var(--azul-oscuro);
}
.badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: bold;
}
.badge-on { background: #d1fae5; color: #065f46; }
.badge-off { background: #fee2e2; color: #991b1b; }
.login-box {
    width: min(430px, 92%);
    margin: 70px auto;
    padding: 24px;
}
.alert {
    padding: 12px 14px;
    border-radius: 8px;
    margin: 14px 0;
}
.alert-error { background: #fee2e2; color: #991b1b; }
.alert-success { background: #dcfce7; color: #166534; }
.small { font-size: 12px; }
.footer { text-align: center; color: #6b7280; padding: 20px 0 35px; }
.preview-thumb {
    width: 72px;
    height: 54px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #d1d5db;
}

@media (max-width: 980px) {
    .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .header h1 { font-size: 26px; }
    .topbar { flex-direction: column; align-items: flex-start; }
    .cards { grid-template-columns: 1fr; }
}