/* Sistema de Diseno - TFG ITER-UCAB Postgrado */
body {
    background-color: #f8fafc;
    color: #212529;
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* Ajuste de Contenedor para coincidir con Pregrado y el resto del ITER (max-width: 1100px) */
.container {
    width: 95%;
    max-width: 1100px;
}

/* Banner de Cabecera al estilo oficial del ITER */
.banner-iter img {
    width: 100% !important;
    height: auto !important;
    display: block;
    max-width: 100%;
    margin: 0 auto;
}

/* Barra de Navegación oficial de Postgrado */
.navbar-postgrado {
    background-color: #ffffff !important;
    border-bottom: 1px solid #e9ecef !important;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
    padding: 10px 0;
}

.navbar .navbar-brand {
    color: #0d6efd !important;
    font-weight: 700;
    font-size: 1.15rem;
}

.navbar .nav-link {
    color: #495057 !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 12px !important;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: #0d6efd !important;
    background-color: rgba(13, 110, 253, 0.06);
}

/* Boton amarillo oficial de Postgrado */
.btn-custom-yellow-variant {
    background-color: #fff0c1 !important;
    border-color: #ffe79e !important;
    color: #212529 !important;
    font-weight: 600;
    transition: all 0.3s ease;
    border-radius: 50rem;
    padding: 10px 24px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-custom-yellow-variant:hover,
.btn-custom-yellow-variant:focus {
    background-color: #ffc107 !important;
    border-color: #e0a800 !important;
    color: #212529 !important;
    transform: scale(1.03);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.35);
}

/* Tarjetas con estilo Postgrado */
.card-postgrado {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    padding: 24px 28px;
    margin-bottom: 25px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card-postgrado.hover-shadow:hover {
    transform: translateY(-3px);
    box-shadow: 0 0.5rem 1.25rem rgba(0, 0, 0, 0.08) !important;
}

.card-postgrado-header {
    border-bottom: 1px solid #e9ecef;
    padding-bottom: 14px;
    margin-bottom: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.card-postgrado-title {
    color: #0b253a;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Hero Section */
.hero-postgrado {
    background: linear-gradient(135deg, #0b253a 0%, #154568 100%);
    color: #ffffff;
    padding: 42px 35px;
    border-radius: 16px;
    box-shadow: 0 10px 25px -5px rgba(11, 37, 58, 0.25);
    margin-bottom: 30px;
}

/* Badges e Insignias de Estado */
.badge-status {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 50rem;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-status-blue {
    background-color: #e0f2fe;
    color: #0369a1;
    border: 1px solid #bae6fd;
}

.badge-status-purple {
    background-color: #f3e8ff;
    color: #6b21a8;
    border: 1px solid #e9d5ff;
}

.badge-status-green {
    background-color: #dcfce7;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

.badge-status-amber {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.badge-status-red {
    background-color: #fee2e2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

/* Avisos con estilo Postgrado */
.alert-postgrado {
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 20px;
    border-left: 5px solid;
    font-size: 0.95rem;
}

.alert-postgrado-info {
    background-color: #f0f9ff;
    border-color: #0284c7;
    color: #0369a1;
}

.alert-postgrado-warning {
    background-color: #fffbeb;
    border-color: #f59e0b;
    color: #92400e;
}

.alert-postgrado-success {
    background-color: #f0fdf4;
    border-color: #22c55e;
    color: #15803d;
}

.alert-postgrado-danger {
    background-color: #fef2f2;
    border-color: #ef4444;
    color: #991b1b;
}

/* Tablas elegantes */
.table-postgrado {
    width: 100%;
    margin-bottom: 0;
    border-collapse: separate;
    border-spacing: 0;
}

.table-postgrado th {
    background-color: #f8fafc;
    color: #475569;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 16px;
    border-bottom: 2px solid #e2e8f0;
}

.table-postgrado td {
    padding: 13px 16px;
    vertical-align: middle;
    border-bottom: 1px solid #f1f5f9;
    font-size: 0.94rem;
}

.table-postgrado tbody tr:hover {
    background-color: #f8fafc;
}

/* Pie de pagina oficial del ITER (#59CCE6) */
.pie,
.pie-iter {
    background-color: #59CCE6;
    margin-top: 50px;
    padding: 24px 0 16px 0;
    border-top: 2px solid #38bdf8;
    color: #0f172a;
    font-size: 0.88rem;
}

.pie a,
.pie-iter a {
    color: #0f172a !important;
    text-decoration: none;
    font-weight: 500;
}

.pie a:hover,
.pie-iter a:hover {
    text-decoration: underline;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 30px;
    margin: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 5px;
    bottom: 5px;
    width: 2px;
    background: #cbd5e1;
}

.timeline-item {
    position: relative;
    margin-bottom: 22px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #0d6efd;
    border: 3px solid #ffffff;
    box-shadow: 0 0 0 2px #0d6efd;
}

.timeline-date {
    font-size: 0.82rem;
    color: #64748b;
    font-weight: 600;
}

.timeline-title {
    font-weight: 700;
    color: #1e293b;
    margin: 2px 0;
}

.timeline-desc {
    font-size: 0.9rem;
    color: #475569;
}

/* Hoja de Impresión */
.hoja-impresion {
    background: #ffffff;
    max-width: 820px;
    margin: 20px auto;
    padding: 50px 65px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.membrete-header {
    text-align: center;
    border-bottom: 2px solid #0d6efd;
    padding-bottom: 16px;
    margin-bottom: 30px;
}

.membrete-header h3 {
    margin: 0;
    color: #0d6efd;
    font-size: 1.25rem;
    font-weight: 700;
}

.membrete-header h4 {
    margin: 3px 0;
    color: #334155;
    font-size: 1.05rem;
    font-weight: 600;
}

.membrete-header p {
    margin: 2px 0 0;
    color: #64748b;
    font-size: 0.85rem;
}

@page {
    size: letter portrait;
    margin: 15mm 20mm 15mm 20mm;
}

@media print {
    .no-print {
        display: none !important;
    }

    body {
        background: #ffffff !important;
    }

    .hoja-impresion {
        box-shadow: none !important;
        padding: 20px !important;
        width: 100% !important;
        max-width: 100% !important;
    }
}

/* CARTAS Y OFICIOS OFICIALES - CALIBRI 12 PT */
.carta-oficial,
.carta-oficial p,
.carta-oficial div,
.carta-oficial span {
    font-family: Calibri, 'Segoe UI', Arial, sans-serif !important;
    font-size: 12pt !important;
    line-height: 1.6 !important;
}