:root {
    --unam-blue: #1a365d;
    --unam-gold: #D4A017;
    --bg-gray: #F4F6F9;
    --text-dark: #2D3748;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-gray);
    color: var(--text-dark);
    margin: 0;
    padding: 0;
}

/* Encabezado Institucional Global */
header {
    background-color: var(--unam-blue);
    color: white;
    padding: 15px 30px;
    border-bottom: 4px solid var(--unam-gold);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logos-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 48px;
    width: auto;
}

.logo-divider {
    width: 1px;
    height: 35px;
    background-color: rgba(255, 255, 255, 0.3);
}

.logo-container h1 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
}

.logo-container p {
    margin: 2px 0 0 0;
    font-size: 12px;
    opacity: 0.85;
}

header nav {
    display: flex;
    align-items: center;
    gap: 15px;
}

header nav a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: color 0.2s ease;
}

header nav a:hover {
    color: var(--unam-gold);
}

.nav-btn-primary {
    background-color: var(--unam-gold);
    color: var(--unam-blue) !important;
    padding: 6px 14px;
    border-radius: 4px;
}

.nav-btn-outline {
    border: 1px solid white;
    padding: 5px 12px;
    border-radius: 4px;
}

/* Layout General */
.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

.section-title {
    color: var(--unam-blue);
    border-bottom: 2px solid var(--unam-gold);
    padding-bottom: 8px;
    margin-bottom: 20px;
    font-size: 20px;
}

/* Banner de Plantel */
.hero-plantel {
    background: white;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.hero-img-container {
    flex: 1 1 400px;
    max-height: 320px;
    overflow: hidden;
}

.hero-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-info {
    flex: 1 1 400px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-info h2 {
    margin: 0 0 10px 0;
    color: var(--unam-blue);
    font-size: 24px;
}

.hero-info p {
    margin: 5px 0;
    color: #718096;
    font-size: 15px;
}

.badge-sigla {
    display: inline-block;
    background-color: var(--unam-gold);
    color: var(--unam-blue);
    font-weight: bold;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    width: fit-content;
    margin-bottom: 12px;
}

/* Grid Métricas */
.grid-metricas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin-bottom: 35px;
}

.card-metrica, .card-meteo {
    background: white;
    padding: 18px;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    text-align: center;
    border-top: 3px solid var(--unam-blue);
}

.card-metrica .label, .card-meteo h3 {
    font-size: 13px;
    color: #718096;
    text-transform: uppercase;
    font-weight: 600;
    margin: 0;
}

.card-metrica .valor, .card-meteo .valor {
    font-size: 24px;
    font-weight: bold;
    color: var(--unam-blue);
    margin: 8px 0;
}

.card-metrica .unidad {
    font-size: 13px;
    color: #A0AEC0;
}

/* Gráficas */
.grid-graficas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.card-grafica {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    position: relative;
    display: flex;
    flex-direction: column;
}

.card-grafica h3 {
    margin-top: 0;
    font-size: 16px;
    color: var(--unam-blue);
    margin-bottom: 15px;
}

.card-grafica canvas {
    max-height: 280px;
    width: 100% !important;
}

footer {
    text-align: center;
    padding: 20px;
    color: #718096;
    font-size: 13px;
    background-color: white;
    border-top: 1px solid #E2E8F0;
    margin-top: 50px;
}

@media (max-width: 600px) {
    .grid-graficas {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Estilos específicos de la Página de Inicio (Mapa y Tarjetas de Planteles)
    border-color: var(--unam-blue, #1a365d);
   ========================================================================== */

/* Sección del Mapa Interactivo */
.mapa-container {
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    margin-bottom: 40px;
    position: relative; /* Evita desbordamiento */
    overflow: hidden;
}

#mapa-pembu {
    height: 500px;
    width: 100%;
    min-height: 400px;
    border-radius: 8px;
    background-color: #e2e8f0;
    position: relative;
    z-index: 1;
}

/* Grid de Tarjetas de Planteles */
.grid-planteles {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.card-plantel {
    background: white;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.card-plantel:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-hover-shadow, 0 8px 20px rgba(0, 0, 0, 0.15));
}

.card-img-wrapper {
    position: relative;
    height: 180px;
    overflow: hidden;
    background-color: #e2e8f0;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.card-plantel:hover .card-img-wrapper img {
    transform: scale(1.05);
}

.badge-sigla {
    position: absolute;
    top: 12px;
    right: 12px;
    background-color: var(--unam-blue);
    color: white;
    border: 1px solid var(--unam-gold);
    font-weight: bold;
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 12px;
}

.card-body {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-body h3 {
    margin: 0 0 10px 0;
    font-size: 16px;
    color: var(--unam-blue);
    line-height: 1.3;
}

.card-body p {
    margin: 4px 0;
    font-size: 13px;
    color: #718096;
}

.card-footer-btn {
    margin-top: 15px;
    padding: 8px 0;
    background-color: var(--unam-blue);
    color: white;
    text-align: center;
    border-radius: 5px;
    font-weight: 600;
    font-size: 13px;
    transition: background-color 0.2s, color 0.2s;
}

.card-plantel:hover .card-footer-btn {
    background-color: var(--unam-gold);
    color: var(--unam-blue);
}
/* ==========================================================================
   Estilos para Formularios de Autenticación (Login, Registro, Modales)
   ========================================================================== */

/* Layout Centrado para Login/Registro */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px); /* Ajuste relativo al header y footer */
    padding: 20px 0;
}

.login-container { 
    max-width: 400px; 
    width: 100%; 
    background: white; 
    padding: 40px 30px; 
    border-radius: 8px; 
    box-shadow: var(--card-shadow); 
}

.logo-section {
    text-align: center;
    margin-bottom: 25px;
}

.logo-section h2 { 
    color: var(--unam-blue); 
    margin: 0; 
    font-size: 22px; 
    font-weight: 700;
}

.logo-section p { 
    color: #718096; 
    margin: 5px 0 0 0; 
    font-size: 14px; 
}

.form-group { 
    margin-bottom: 20px; 
}

.form-group label { 
    display: block; 
    margin-bottom: 6px; 
    font-weight: 600; 
    color: #4a5568; 
    font-size: 14px; 
}
/* Agrega o actualiza este selector para asegurar alineación idéntica */
.form-group input[type="text"], 
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="date"],
.form-group select { 
    width: 100%; 
    height: 42px; /* Forzar misma altura en navegadores con Webkit (Chrome/Edge) */
    padding: 10px 12px; 
    border: 1px solid #cbd5e0; 
    border-radius: 5px; 
    box-sizing: border-box; /* Asegura que el padding no altere el ancho global */
    font-size: 14px;
    font-family: inherit;
    background-color: #ffffff;
    color: var(--text-dark, #2d3748);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Estado Focus unificado */
.form-group input[type="text"]:focus, 
.form-group input[type="password"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="date"]:focus,
.form-group select:focus {
    border-color: var(--unam-blue, #1a365d);
    outline: none;
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.btn-auth-submit { 
    width: 100%; 
    padding: 12px; 
    background-color: var(--unam-blue); 
    border: none; 
    color: white; 
    font-size: 16px; 
    font-weight: bold; 
    border-radius: 5px; 
    cursor: pointer; 
    transition: background-color 0.2s ease; 
    margin-top: 10px;
}

.btn-auth-submit:hover { 
    background-color: var(--unam-blue-hover, #001a2d); 
}

/* Alertas de Notificación (Flask Flash Messages) */
.alert {
    padding: 12px;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.5;
}

.alert-danger, .alert-error {
    background-color: #fed7d7;
    color: #9b2c2c;
    border: 1px solid #feb2b2;
}

.alert-warning {
    background-color: #feebc8;
    color: #9c4221;
    border: 1px solid #fbd38d;
}

.alert-success {
    background-color: #c6f6d5;
    color: #22543d;
    border: 1px solid #9ae6b4;
}
/* ==========================================================================
   Estilos para el Módulo de Descarga de Datos (L1 / L1_T2)
   ========================================================================== */
/* Asegura que las etiquetas y los inputs de fecha sigan el mismo formato que select */
.form-group input[type="date"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd5e0;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 14px;
    background-color: white;
    color: var(--text-dark, #2d3748);
    transition: border-color 0.2s ease;
}

.form-group input[type="date"]:focus {
    border-color: var(--unam-blue);
    outline: none;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-dark, #2d3748);
}
.download-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 220px);
    padding: 20px 0;
}

.card-download {
    background-color: #ffffff;
    padding: 35px 30px;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    width: 100%;
    max-width: 520px;
}

.card-download h2 {
    color: var(--unam-blue);
    margin-top: 0;
    border-bottom: 2px solid var(--unam-gold);
    padding-bottom: 10px;
    text-align: center;
    font-size: 22px;
}

.card-download h2 .subtitle {
    display: block;
    font-size: 14px;
    font-weight: normal;
    color: #666;
    margin-top: 4px;
}

.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd5e0;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 14px;
    background-color: white;
    color: var(--text-dark);
    transition: border-color 0.2s ease;
}

.form-group select:focus {
    border-color: var(--unam-blue);
    outline: none;
}

.btn-download-submit {
    width: 100%;
    padding: 12px;
    background-color: var(--unam-blue);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s ease;
    margin-top: 10px;
}

.btn-download-submit:hover {
    background-color: var(--unam-blue-hover, #001a2d);
}
nav {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    padding: 6px 10px;
    border-radius: 4px;
    transition: background 0.2s;
}

nav a:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.nav-btn-primary {
    background-color: #003366;
    color: #ffffff !important;
    font-weight: bold;
}

.nav-btn-outline {
    border: 1px solid #ffffff;
}

.nav-btn-link {
    font-size: 0.85rem;
    color: #d1e7dd !important;
    text-decoration: underline;
}

.user-badge {
    color: #ffd700;
    font-weight: 600;
    margin-right: 5px;
}
.nav-btn-admin {
    background-color: #28a745;
    color: #ffffff !important;
    font-weight: bold;
    padding: 6px 12px;
    border-radius: 4px;
}

.nav-btn-admin:hover {
    background-color: #218838;
}
/* ==========================================================================
   Contenedor y Marcadores del Mapa PEMBU (Leaflet)
   ========================================================================== */
.mapa-container {
    width: 100%;
    height: 520px;
    margin-bottom: 35px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

#mapa-pembu {
    width: 100%;
    height: 100%;
}

/* Reset de contenedor Leaflet para DivIcon */
.custom-div-icon {
    background: transparent !important;
    border: none !important;
}

/* Marcadores circulares por tipo de plantel */
.custom-marker {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: #ffffff;
    font-weight: bold;
    font-size: 11px;
    border: 2px solid #ffffff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.4);
    font-family: Arial, sans-serif;
}

/* Prepa UNAM (Azul UNAM) */
.marker-enp {
    background-color: #002B49;
}

/* CCH (Dorado / Amarillo UNAM) */
.marker-cch {
    background-color: #D4A017;
}

/* ICAyCC / Institutos */
.marker-ica {
    background-color: #008080;
}