/* ============================================
   INSTITUTO TECNOLÓGICO TAULAR
   Estilo institucional - Sin capa blanca
   La imagen de fondo se ve completamente
   ============================================ */

:root {
    --taular-rojo: #C0392B;
    --taular-rojo-oscuro: #A93226;
    --taular-azul: #2471A3;
    --taular-azul-oscuro: #1A5276;
    --taular-dorado: #F39C12;
    --taular-amarillo: #F1C40F;
    --taular-blanco: #FFFFFF;
    --taular-gris-claro: #F8F9FA;
}

/* Fondo general - IMAGEN COMPLETAMENTE VISIBLE */
body {
    background: url('../img/fondo-preceptorias.jpg') no-repeat center center fixed;
    background-size: cover;
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
    min-height: 100vh;
}

/* Badges para estados */
.badge {
    padding: 5px 10px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
}

.bg-success {
    background-color: #27AE60 !important;
    color: white;
}

.bg-secondary {
    background-color: #6c757d !important;
    color: white;
}

/* Tablas */
.table-hover tbody tr:hover {
    background-color: rgba(36, 113, 163, 0.08);
    cursor: pointer;
}

/* Imagen de perfil */
.img-perfil {
    width: 45px;
    height: 45px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--taular-dorado);
}

/* Sin capa blanca - la imagen se ve directo */

/* Navbar institucional */
.bg-institucional {
    background: linear-gradient(90deg, var(--taular-rojo) 0%, var(--taular-azul) 100%);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.navbar-brand {
    font-weight: 600;
    letter-spacing: 0.5px;
    color: white !important;
}

.navbar-brand img {
    filter: drop-shadow(2px 2px 2px rgba(0, 0, 0, 0.2));
    transition: transform 0.3s ease;
    background-color: white;
    border-radius: 50%;
    padding: 5px;
}

.navbar-nav .nav-link {
    color: white !important;
    font-weight: 500;
    margin: 0 5px;
    transition: all 0.3s ease;
    border-radius: 25px;
    padding: 8px 18px;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Tarjetas - fondo blanco pero semitransparente para ver fondo */
.card {
    background-color: rgba(255, 255, 255, 0.92);
    border-radius: 20px;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    padding: 25px;
    margin-bottom: 25px;
    border-top: 5px solid var(--taular-dorado);
    backdrop-filter: blur(2px);
}

/* Tablas */
.table {
    background-color: rgba(255, 255, 255, 0.92);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.table thead {
    background: linear-gradient(90deg, var(--taular-rojo) 0%, var(--taular-azul) 100%);
    color: white;
}

.table thead th {
    font-weight: 600;
    padding: 14px;
    border: none;
}

.table tbody tr:hover {
    background-color: rgba(36, 113, 163, 0.1);
}

/* Botones */
.btn {
    border-radius: 50px;
    padding: 8px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background-color: var(--taular-azul);
    border-color: var(--taular-azul);
    color: white;
}

.btn-primary:hover {
    background-color: var(--taular-azul-oscuro);
    border-color: var(--taular-azul-oscuro);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: var(--taular-dorado);
    border-color: var(--taular-dorado);
    color: white;
}

.btn-secondary:hover {
    background-color: #e67e22;
    border-color: #e67e22;
    transform: translateY(-2px);
}

.btn-success {
    background-color: #27AE60;
    border-radius: 50px;
    padding: 8px 20px;
}

.btn-danger {
    background-color: var(--taular-rojo);
    border-color: var(--taular-rojo);
}

/* Títulos */
h1, h2, h3, h4, .titulo {
    color: var(--taular-azul);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

h2:after, .titulo:after {
    content: '';
    display: block;
    width: 70px;
    height: 4px;
    background: var(--taular-dorado);
    margin-top: 8px;
    border-radius: 4px;
}

/* Formularios */
.form-control, .form-select {
    border-radius: 12px;
    border: 1px solid #ddd;
    padding: 10px 16px;
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.95);
}

.form-control:focus, .form-select:focus {
    border-color: var(--taular-azul);
    box-shadow: 0 0 0 3px rgba(36, 113, 163, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--taular-azul);
    margin-bottom: 8px;
}

/* Footer */
footer {
    background: linear-gradient(90deg, var(--taular-rojo) 0%, var(--taular-azul) 100%);
    margin-top: 50px;
    padding: 25px 0;
    color: white;
}

footer a {
    color: var(--taular-amarillo);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: white;
    text-decoration: underline;
}

/* Alertas */
.alert-success {
    background-color: rgba(39, 174, 96, 0.95);
    color: white;
    border: none;
    border-radius: 16px;
}

.alert-danger {
    background-color: rgba(192, 57, 43, 0.95);
    color: white;
    border: none;
    border-radius: 16px;
}

.alert-warning {
    background-color: var(--taular-dorado);
    color: white;
    border: none;
    border-radius: 16px;
}

/* Imagen de perfil */
.img-perfil {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--taular-dorado);
}

/* Responsive */
@media (max-width: 768px) {
    .card {
        padding: 15px;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 6px 14px;
        font-size: 0.85rem;
    }
}