/* --- Estilos Globales --- */
:root {
    --color-primario: #003366;
    /* Azul oscuro corporativo */
    --color-secundario: #0055A4;
    /* Azul medio */
    --color-acento: #FFC107;
    /* Acento amarillo/dorado */
    --color-fondo: #f4f7f6;
    --color-texto: #333;
    --color-blanco: #fff;
    --sombra-caja: 0 4px 8px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background-color: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* --- Estilos del Login --- */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-box {
    background: var(--color-blanco);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--sombra-caja);
    text-align: center;
    width: 100%;
    max-width: 400px;
}

.login-box .logo {
    max-width: 150px;
    margin-bottom: 20px;
}

.login-box h2 {
    color: var(--color-primario);
    margin-bottom: 20px;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: var(--color-secundario);
}

.input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

button[type="submit"] {
    width: 100%;
    padding: 12px;
    background-color: var(--color-primario);
    color: var(--color-blanco);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

button[type="submit"]:hover {
    background-color: var(--color-secundario);
}

.error-message {
    color: #D8000C;
    margin-top: 15px;
    font-size: 0.9em;
}

/* --- Estilos del Dashboard --- */
header {
    background-color: var(--color-primario);
    color: var(--color-blanco);
    padding: 15px 0;
    box-shadow: var(--sombra-caja);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo-header {
    height: 50px;
    background-color: var(--color-blanco);
    padding: 5px;
    border-radius: 5px;
}

header h1 {
    margin: 0;
    font-size: 1.8em;
}

header nav a {
    color: var(--color-blanco);
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

header nav a:hover {
    background-color: var(--color-secundario);
}

main {
    padding: 40px 0;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #e9ecef;
    color: #6c757d;
    margin-top: 40px;
}

/* --- Componentes --- */
#cursos-container {
    padding-top: 10px;
}

.curso-card {
    background: var(--color-blanco);
    border-radius: 8px;
    box-shadow: var(--sombra-caja);
    padding: 20px;
    transition: transform 0.2s ease-in-out;
}

.curso-card:hover {
    transform: translateY(-5px);
}

.curso-card h3 {
    color: var(--color-primario);
    margin-top: 0;
}

.curso-card p {
    font-size: 0.9em;
}

.curso-details {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.curso-details p {
    font-size: 0.85em;
    color: #555;
    margin: 5px 0;
}

.curso-details p strong {
    color: var(--color-secundario);
}

a.curso-link {
    text-decoration: none;
    color: inherit;
}

/* --- Estilos de la Página de Curso --- */
.tarea-item {
    background: var(--color-blanco);
    padding: 15px 20px;
    border-radius: 5px;
    margin-bottom: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border-left: 5px solid var(--color-secundario);
}

.tarea-item h3 {
    margin-top: 0;
    color: var(--color-primario);
}

.submission-status,
.submission-form {
    margin-top: 15px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 4px;
    border: 1px solid #dee2e6;
}

.submission-form h4,
.submission-status h4 {
    margin-top: 0;
    color: var(--color-secundario);
}

.submission-form input[type="file"] {
    margin-bottom: 10px;
}

.submission-form button {
    padding: 8px 15px;
    background-color: var(--color-secundario);
    color: var(--color-blanco);
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.submission-form button:hover {
    background-color: var(--color-primario);
}

.submission-message {
    margin-top: 10px;
    font-size: 0.9em;
}

.button-calificar {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 15px;
    background-color: var(--color-acento);
    color: var(--color-primario);
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.button-calificar:hover {
    background-color: #ffca28;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    /* Proporción 16:9 */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    background: #000;
    margin: 20px 0;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* --- Estilos de la Página de Calificación --- */
.entrega-item {
    background: var(--color-blanco);
    padding: 20px;
    border-radius: 5px;
    margin-bottom: 20px;
    box-shadow: var(--sombra-caja);
}

.calificar-form {
    margin-top: 15px;
}

.calificar-form .form-group {
    margin-bottom: 10px;
}

.calificar-form label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
}

.calificar-form input[type="number"],
.calificar-form textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.calificar-form textarea {
    resize: vertical;
    min-height: 80px;
}

.calificar-form button {
    padding: 10px 15px;
    background-color: var(--color-primario);
    color: var(--color-blanco);
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.calificar-form button:hover {
    background-color: var(--color-secundario);
}

.calificar-message {
    margin-top: 10px;
    font-size: 0.9em;
}

/* --- Estilos de Formularios Generales --- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-family: inherit;
    font-size: 1em;
}


/* --- Estilos del Formulario de Administración --- */
#crear-curso-form fieldset {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    background-color: var(--color-blanco);
}

#crear-curso-form legend {
    font-weight: bold;
    color: var(--color-primario);
    padding: 0 10px;
    font-size: 1.2em;
}

#crear-curso-form .form-group {
    margin-bottom: 15px;
}

#crear-curso-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    color: #555;
}

#crear-curso-form input[type="text"],
#crear-curso-form input[type="datetime-local"],
#crear-curso-form select,
#crear-curso-form textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-family: inherit;
    font-size: 1em;
}

#crear-curso-form textarea {
    resize: vertical;
    min-height: 100px;
}


/* --- Estilos de Tablas --- */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    box-shadow: var(--sombra-caja);
}

table thead {
    background-color: var(--color-primario);
    color: var(--color-blanco);
}

table th,
table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

table tbody tr:nth-of-type(even) {
    background-color: #f8f9fa;
}

table tbody tr:hover {
    background-color: #e9ecef;
}

/* --- Clases de utilidad --- */
.btn {
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    font-size: 1em;
    transition: opacity 0.3s;
}

.btn:hover {
    opacity: 0.9;
}

.btn-primary {
    background-color: var(--color-primario);
    color: var(--color-blanco);
}

.btn-secondary {
    background-color: #6c757d;
    color: var(--color-blanco);
}

.btn-danger {
    background-color: #dc3545;
    color: var(--color-blanco);
}

.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--color-secundario);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* --- Estilos de Gestión de Programas --- */
#crear-programa-form {
    background-color: var(--color-blanco);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--sombra-caja);
    margin-bottom: 40px;
}

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

#crear-programa-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #555;
}

#crear-programa-form input[type="text"],
#crear-programa-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-family: inherit;
    font-size: 1em;
}

#crear-programa-form textarea {
    resize: vertical;
    min-height: 100px;
}

#programas-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.programa-card {
    background: var(--color-blanco);
    border-radius: 8px;
    box-shadow: var(--sombra-caja);
    padding: 20px;
    border-left: 5px solid var(--color-acento);
}

.programa-card h3 {
    color: var(--color-primario);
    margin-top: 0;
    margin-bottom: 10px;
}

.programa-card p {
    font-size: 0.95em;
    margin-bottom: 15px;
    /* Añadido espacio para los botones */
    color: #666;
}

.card-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.action-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    margin-left: 8px;
    color: #555;
    background-color: #f0f0f0;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.action-icon:hover {
    background-color: var(--color-secundario);
    color: var(--color-blanco);
    transform: scale(1.1);
}

.action-icon .fas {
    font-size: 14px;
}

.form-message {
    margin-top: 15px;
    font-size: 0.9em;
    text-align: center;
}

/* --- Estilos del Modal --- */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}

.modal-content {
    background-color: var(--color-blanco);
    padding: 30px 40px;
    border: none;
    width: 90%;
    max-width: 550px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    position: relative;
    animation: slideIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-content h2 {
    color: var(--color-primario);
    margin-top: 0;
    margin-bottom: 25px;
    padding-bottom: 15px;
    text-align: center;
    font-size: 1.7em;
    font-weight: 600;
    border-bottom: 1px solid #e0e0e0;
}

.modal-content .form-group {
    margin-bottom: 22px;
}

.modal-content label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-secundario);
    font-size: 0.95em;
}

.modal-content input[type="text"],
.modal-content input[type="email"],
.modal-content input[type="password"],
.modal-content input[type="number"],
.modal-content select,
.modal-content textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
    font-family: inherit;
    font-size: 1em;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.modal-content textarea {
    resize: vertical;
    min-height: 120px;
}

.modal-content input[type="text"]:focus,
.modal-content input[type="email"]:focus,
.modal-content input[type="password"]:focus,
.modal-content input[type="number"]:focus,
.modal-content select:focus,
.modal-content textarea:focus {
    border-color: var(--color-secundario);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 85, 164, 0.15);
}

#user-form .btn {
    width: 100%;
    padding: 14px;
    font-size: 1.1em;
    font-weight: bold;
    margin-top: 10px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.close-button {
    color: #888;
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 32px;
    font-weight: normal;
    line-height: 1;
    transition: color 0.3s, transform 0.3s;
}

.close-button:hover,
.close-button:focus {
    color: #333;
    transform: rotate(90deg);
    text-decoration: none;
    cursor: pointer;
}

.plan-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #eee;
}

.plan-item:last-child {
    border-bottom: none;
}

.plan-actions {
    display: flex;
    align-items: center;
}


/* --- Estilos específicos para el Modal de Maestría --- */
.body-modal {
    background-color: var(--color-blanco);
    /* Fondo blanco para el contenido del iframe */
}

.modal-maestria-header {
    background: linear-gradient(135deg, var(--color-primario), var(--color-secundario));
    color: var(--color-blanco);
    padding: 40px 20px;
    text-align: center;
    border-bottom: 5px solid var(--color-acento);
}

.modal-maestria-header .header-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.modal-maestria-header .header-icon {
    font-size: 4em;
    opacity: 0.8;
}

.modal-maestria-header h1 {
    margin: 0;
    font-size: 2.2em;
    font-weight: 700;
}

.modal-maestria-header p {
    margin: 5px 0 0;
    font-size: 1.1em;
    opacity: 0.9;
}

.container-modal {
    max-width: 1100px;
    margin: 0 auto;
    padding: 30px;
}

.section-destacada {
    background-color: var(--color-fondo);
    padding: 30px;
    border-radius: 8px;
}

.perfiles-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.perfil-card {
    background: var(--color-blanco);
    border-radius: 8px;
    box-shadow: var(--sombra-caja);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.perfil-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.perfil-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background-color: var(--color-primario);
    color: var(--color-blanco);
}

.perfil-header .perfil-icon {
    font-size: 2em;
}

.perfil-header h4 {
    margin: 0;
    font-size: 1.4em;
}

.perfil-body {
    padding: 20px;
}

.perfil-body ul {
    padding-left: 20px;
    margin: 0;
}

/* --- Responsividad --- */
@media (max-width: 992px) {
    .container {
        padding: 15px;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .header-content .logo {
        margin-bottom: 10px;
    }

    header nav {
        margin-top: 10px;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
    }

    header nav a {
        margin: 5px;
    }

    #cursos-container {
        grid-template-columns: 1fr;
    }

    .profile-container {
        flex-direction: column;
    }

    .profile-container .card {
        width: 100%;
        margin-bottom: 20px;
    }
}

@media (max-width: 576px) {
    .login-box {
        padding: 20px;
    }

    header h1 {
        font-size: 1.5em;
    }

    .main-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .main-header h2 {
        margin-bottom: 10px;
    }

    .btn {
        width: 100%;
        text-align: center;
        margin-bottom: 10px;
    }

    table,
    thead,
    tbody,
    th,
    td,
    tr {
        display: block;
    }

    table thead {
        display: none;
    }

    table tr {
        margin-bottom: 15px;
        border: 1px solid #ddd;
    }

    table td {
        border: none;
        border-bottom: 1px solid #eee;
        position: relative;
        padding-left: 50%;
        text-align: right;
    }

    table td::before {
        content: attr(data-label);
        position: absolute;
        left: 10px;
        width: calc(50% - 20px);
        padding-right: 10px;
        white-space: nowrap;
        text-align: left;
        font-weight: bold;
    }
}

/* --- Estilos del Menú de Administración --- */
.admin-menu {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.menu-card {
    background-color: var(--color-blanco);
    border-radius: 8px;
    box-shadow: var(--sombra-caja);
    padding: 25px;
    text-align: center;
    text-decoration: none;
    color: var(--color-texto);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-left: 5px solid var(--color-secundario);
}

.menu-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.menu-card i {
    font-size: 3em;
    color: var(--color-primario);
    margin-bottom: 15px;
}

.menu-card h3 {
    color: var(--color-primario);
    margin: 0 0 10px 0;
    font-size: 1.3em;
}

.menu-card p {
    font-size: 0.9em;
    color: #666;
    margin: 0;
}

.menu-card.disabled {
    background-color: #f8f9fa;
    border-left-color: #ccc;
    cursor: not-allowed;
    opacity: 0.7;
}

.menu-card.disabled:hover {
    transform: none;
    box-shadow: var(--sombra-caja);
}

/* --- Estilos de la Página de Perfil --- */
.profile-page {
    max-width: 900px;
    margin: 20px auto;
}

.card {
    background-color: var(--color-blanco);
    border-radius: 8px;
    box-shadow: var(--sombra-caja);
    padding: 25px;
    margin-bottom: 20px;
}

.profile-header {
    background-color: var(--color-blanco);
    border-radius: 8px;
    box-shadow: var(--sombra-caja);
    margin-bottom: 30px;
    overflow: hidden;
}

.profile-cover {
    position: relative;
    height: 250px;
    background-color: #e9ecef;
    border-radius: 8px 8px 0 0;
    overflow: hidden;
}

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

.change-cover-btn {
    position: absolute;
    bottom: 15px;
    right: 15px;
    z-index: 2;
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--color-primario);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.1em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s, box-shadow 0.3s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.change-cover-btn:hover {
    background-color: var(--color-blanco);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.25);
}

.profile-info-bar {
    display: flex;
    align-items: flex-end;
    padding: 0 30px;
    position: relative;
    margin-top: -80px;
}

.profile-avatar-container {
    position: relative;
    z-index: 2;
}

.profile-avatar {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 5px solid var(--color-blanco);
    background-color: var(--color-blanco);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.change-pic-btn {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background-color: var(--color-blanco);
    color: var(--color-primario);
    border: 1px solid #ddd;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.1em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s, color 0.3s, box-shadow 0.3s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.change-pic-btn:hover {
    background-color: #f8f9fa;
    color: var(--color-secundario);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.profile-user-info {
    flex-grow: 1;
    margin-left: 20px;
    padding-bottom: 15px;
}

.profile-user-info h2 {
    margin: 0 0 5px 0;
    color: var(--color-primario);
    font-size: 2em;
    font-weight: 700;
}

.profile-user-info p {
    margin: 0;
    color: #666;
    font-size: 1.1em;
}

.profile-actions {
    padding-bottom: 15px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    margin-bottom: 0;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--color-secundario);
    cursor: pointer;
    font-size: 1.1em;
    padding: 5px;
    border-radius: 50%;
    transition: background-color 0.3s, color 0.3s;
}

.btn-icon:hover {
    background-color: #e9ecef;
    color: var(--color-primario);
}

.editable-content {
    transition: background-color 0.3s, box-shadow 0.3s;
    padding: 10px;
    margin: -10px;
    /* Compensar el padding para mantener alineación */
}

.editable-content[contenteditable="true"] {
    outline: none;
    box-shadow: 0 0 0 2px var(--color-acento);
    background-color: #fff;
    border-radius: 4px;
}

.tags-container-editable {
    min-height: 40px;
    /* Para que el área sea clickeable aunque esté vacía */
}

.form-actions {
    margin-top: 15px;
    text-align: right;
}

.form-actions .btn {
    margin-left: 10px;
}

.profile-nav {
    display: flex;
    border-top: 1px solid #ddd;
    padding: 0 30px;
    margin-top: 20px;
}

.profile-nav a {
    padding: 15px 20px;
    text-decoration: none;
    color: #555;
    font-weight: 600;
    border-bottom: 3px solid transparent;
    transition: color 0.3s, border-color 0.3s;
}

.profile-nav a:hover {
    color: var(--color-primario);
}

.profile-nav a.active {
    color: var(--color-primario);
    border-bottom-color: var(--color-primario);
}

.profile-content .card h3 {
    margin-top: 0;
    color: var(--color-primario);
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 20px;
    font-size: 1.3em;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s;
}

/* Estilos para formularios en la pestaña de configuración */
#configuracion-tab .form-actions {
    padding-top: 15px;
    margin-top: 15px;
    border-top: 1px solid #eee;
}

#account-info-display p {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 10px;
    align-items: center;
    margin: 0 0 15px 0;
}

#account-info-display strong {
    font-weight: 600;
    color: var(--color-texto);
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tags-container span {
    background-color: #e9ecef;
    color: #555;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.9em;
}

#profile-courses-container .curso-card {
    margin-bottom: 15px;
}

/* --- Estilos del Menú de Usuario en el Header --- */
header .main-nav {
    display: flex;
    align-items: center;
}

header .user-menu {
    display: flex;
    align-items: center;
    margin-left: 20px;
}

header .user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--color-blanco);
    transition: transform 0.2s;
}

header .user-avatar-link:hover .user-avatar {
    transform: scale(1.1);
}

header .user-menu a {
    color: var(--color-blanco);
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

header .user-menu a:hover {
    background-color: var(--color-secundario);
}

/* --- Estilos Mejorados para Formularios de Perfil --- */
#configuracion-tab .card-content {
    padding-top: 20px;
}

#update-profile-form,
#update-password-form {
    padding-top: 20px;
    margin-top: 20px;
    border-top: 1px solid #e9ecef;
}

#configuracion-tab .form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

#configuracion-tab .form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-secundario);
}

#configuracion-tab .form-group input {
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1em;
    transition: border-color 0.3s, box-shadow 0.3s;
}

#configuracion-tab .form-group input:focus {
    border-color: var(--color-secundario);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 85, 164, 0.15);
}

#configuracion-tab .form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding-top: 10px;
    border-top: none;
}

/* --- Estilos para el Modal Fullscreen de Maestría --- */
.maestria-modal-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.maestria-modal-content {
    position: relative;
    width: 95%;
    height: 95%;
    background-color: var(--color-blanco);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.maestria-modal-close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2.2em;
    font-weight: 300;
    color: #fff;
    background-color: rgba(0, 0, 0, 0.4);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    cursor: pointer;
    z-index: 2010;
    transition: background-color 0.3s, transform 0.3s;
}

.maestria-modal-close-btn:hover {
    background-color: rgba(0, 0, 0, 0.8);
    transform: rotate(90deg);
}

#maestria-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* --- Estilos para la Página de Detalle de Maestría --- */
.maestria-header {
    text-align: center;
    padding: 30px 0;
    border-bottom: 1px solid #ddd;
    margin-bottom: 40px;
}

.maestria-header h2 {
    color: var(--color-primario);
    font-size: 2.5em;
    margin-bottom: 10px;
}

.maestria-header .subtitulo {
    font-size: 1.2em;
    color: var(--color-secundario);
}

.maestria-section {
    margin-bottom: 50px;
}

.maestria-section .section-title {
    text-align: center;
    color: var(--color-primario);
    font-size: 2em;
    margin-bottom: 30px;
}

.maestria-section .card {
    background: var(--color-blanco);
    border-radius: 8px;
    box-shadow: var(--sombra-caja);
    padding: 25px;
    border-left: 4px solid var(--color-acento);
}

.maestria-section .card h4 {
    color: var(--color-secundario);
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.maestria-section .card h4 i {
    margin-right: 10px;
}

.maestria-section ul {
    padding-left: 20px;
    list-style: none;
}

.maestria-section ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 15px;
}

.maestria-section ul li::before {
    content: '\f00c';
    /* FontAwesome check icon */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--color-acento);
    position: absolute;
    left: -10px;
    top: 2px;
}

.grid-2-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.grid-3-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.text-center {
    text-align: center;
}

.icon-lg {
    font-size: 2.5em;
    color: var(--color-primario);
    margin-bottom: 15px;
}

/* Estilos para la Línea de Tiempo (Timeline) */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 20px;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 4px;
    background: #e9ecef;
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
    padding-left: 30px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 5px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-blanco);
    border: 4px solid var(--color-secundario);
}

.timeline-content h4 {
    color: var(--color-primario);
    margin-top: 0;
}

.timeline-content .semestre-titulo {
    font-weight: bold;
    color: var(--color-secundario);
    margin-bottom: 5px;
}

/* Estilos para el Acordeón */
.accordion-item {
    background-color: var(--color-blanco);
    margin-bottom: 10px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid #eee;
}

.accordion-header {
    width: 100%;
    background-color: #f8f9fa;
    border: none;
    padding: 15px 20px;
    text-align: left;
    font-size: 1.1em;
    font-weight: 600;
    color: var(--color-primario);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 8px 8px 0 0;
}

.accordion-header:hover {
    background-color: #e9ecef;
}

.accordion-header i {
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-header i {
    transform: rotate(180deg);
}

.accordion-content {
    padding: 20px;
    border-top: 1px solid #eee;
    display: none;
}

.accordion-item.active .accordion-content {
    display: block;
}

/* --- Estilos para la página de Asignación de Estudiantes --- */
.enrollment-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-top: 20px;
}

.enrollment-column {
    flex: 1;
    background-color: var(--color-blanco);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--sombra-caja);
    height: 400px;
    display: flex;
    flex-direction: column;
}

.enrollment-column h3 {
    color: var(--color-primario);
    margin-top: 0;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.student-list {
    list-style: none;
    padding: 0;
    margin: 0;
    overflow-y: auto;
    flex-grow: 1;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.student-list li {
    padding: 10px 15px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.2s;
}

.student-list li:last-child {
    border-bottom: none;
}

.student-list li:hover {
    background-color: #f8f9fa;
}

.student-list li.selected {
    background-color: var(--color-secundario);
    color: var(--color-blanco);
    font-weight: bold;
}

.enrollment-actions {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-self: center;
    gap: 15px;
}

.enrollment-actions .btn {
    width: 50px;
    height: 50px;
    font-size: 1.5em;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primario);
    color: var(--color-blanco);
}

.enrollment-actions .btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

/* --- Estilos para la información del usuario en el header --- */
.user-info {
    display: flex;
    align-items: center;
    margin-right: 15px;
}

#user-name-role {
    color: var(--color-blanco);
    font-weight: 500;
    font-size: 0.9em;
    text-align: right;
}

.avatar-container {
    position: relative;
    width: 40px;
    height: 40px;
}

.initials-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-acento);
    color: var(--color-primario);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2em;
    border: 2px solid var(--color-blanco);
}