:root {
    --bg-color: #f4f6f9;
    --surface-color: #ffffff;
    --primary-color: #1e293b;
    --accent-color: #2563eb;
    --border-color: #e2e8f0;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    padding: 24px 16px;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Navegaciones */
nav {
    background-color: var(--surface-color);
    border-radius: 8px;
    padding: 12px 20px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.nav-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 16px;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary-color);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    background: #f1f5f9;
    transition: all 0.2s ease;
}

.nav-links a:hover {
    background-color: var(--accent-color);
    color: #ffffff;
}

/* Perfil de Estudiante */
.profile-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 32px;
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
    align-items: start;
}

@media (max-width: 768px) {
    .profile-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.profile-photo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.profile-photo {
    width: 180px;
    height: 180px;
    border-radius: 8px;
    object-fit: cover;
    background-color: #e2e8f0;
    border: 2px solid var(--border-color);
}

.profile-info h1 {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.profile-info .academic-role {
    font-size: 1.05rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 20px;
}

.student-meta {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Secciones y Cajas */
.section-box {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
}

.career-meta {
    margin-bottom: 16px;
    font-size: 0.95rem;
}

/* Tabla de Foja Académica */
.academic-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.academic-table th, 
.academic-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.academic-table th {
    background-color: #f8fafc;
    color: var(--text-muted);
    font-weight: 600;
}

.status-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-approved {
    background-color: #dcfce7;
    color: #15803d;
}

.status-in-progress {
    background-color: #e0f2fe;
    color: #0369a1;
}

/* Cuadrícula de Datos Institucionales */
.meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    font-size: 0.95rem;
}

.meta-item {
    background-color: #f8fafc;
    padding: 12px 16px;
    border-radius: 6px;
    border-left: 3px solid var(--accent-color);
}

.meta-item strong {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
}

/* Pie de Página / Info Legal */
footer {
    margin-top: 16px;
    padding: 24px;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.825rem;
    color: var(--text-muted);
    text-align: justify;
    line-height: 1.6;
}

footer h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
    text-transform: uppercase;
}