/* =====================================================
   UMSS CARRERAS - ESTILOS FRONTEND
   Sistema de variables CSS unificado
   ===================================================== */

:root {
    /* VARIABLES RAÍZ - Compartidas entre admin y frontend */
    
    /* Colores primarios */
    --primary-color: #2271b1;
    --primary-light: #3d7ab3;
    --primary-dark: #0f3460;
    
    /* Colores de estado */
    --success-color: #00a049;
    --warning-color: #f0ad4e;
    --danger-color: #c82333;
    --info-color: #00d4ff;
    
    /* Escala de grises (8 niveles) */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #1f2937;
    
    /* Sombras */
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Espaciado y border */
    --spacing: 16px;
    --radius: 6px;
    --radius-lg: 12px;
    
    /* Transiciones */
    --transition: 0.2s ease;
    --transition-slow: 0.3s ease;
    
    /* Color dinámico del área seleccionada (se actualiza con JS) */
    --selected-area-color: #2271b1;
}

.umss-carreras-wrapper { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, "Helvetica Neue", Arial, sans-serif; }

/* ===================================================== RESET Y ESTILOS BASE ===================================================== */

.umss-carreras-wrapper { box-sizing: border-box; }
.umss-carreras-wrapper * { box-sizing: border-box; }
.umss-carreras-wrapper {
    max-width: 1400px; margin: 0 auto; padding: 40px 20px;
    color: var(--gray-700); line-height: 1.6;
}

/* ===================================================== BUSCADOR ===================================================== */

.umss-buscador-wrapper { max-width: 800px; margin: 0 auto var(--spacing) auto; padding: 0 15px; }

.umss-buscador-input {
    width: 100%; padding: 12px 16px; font-size: 16px;
    border: 1px solid var(--gray-300); border-radius: var(--radius-lg);
    box-shadow: var(--shadow); outline: none;
    transition: all var(--transition); font-family: inherit;
    background-color: #fff;
}

.umss-buscador-input:hover { border-color: var(--gray-400); box-shadow: var(--shadow-md); }
.umss-buscador-input:focus { border-color: var(--primary-color); box-shadow: 0 4px 12px rgba(34, 113, 177, 0.15); }
.umss-buscador-input::placeholder { color: var(--gray-400); }

/* ===================================================== FILTROS DE ÁREA ===================================================== */

.umss-filtros-container {
    display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
    margin: var(--spacing) 0; padding: var(--spacing);
    background-color: var(--gray-50); border-radius: var(--radius-lg);
}

.umss-btn-filtro {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; font-size: 14px; font-weight: 500;
    border: 2px solid var(--gray-300); border-radius: var(--radius-lg);
    background-color: #fff; color: var(--gray-700);
    cursor: pointer; transition: all var(--transition); white-space: nowrap;
}

.umss-btn-filtro:hover {
    border-color: var(--area-color, #021521); 
    background-color: var(--area-color, #021521);
    color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md);
}

.umss-btn-filtro.active {
    border-color: var(--area-color, #021521); 
    background-color: var(--area-color, #021521);
    color: #fff; box-shadow: var(--shadow-md);
}

.umss-filtro-icon { display: flex; align-items: center; font-size: 16px; }

/* ===================================================== GRID DE CARRERAS ===================================================== */

.umss-carrera-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--spacing); margin: var(--spacing) 0; }

.umss-carreras-wrapper.is-updating .umss-carrera-grid {
    opacity: 0.85;
    transition: opacity 0.12s linear;
}

.umss-carreras-wrapper.is-updating .umss-card {
    animation: none;
}

/* ===================================================== TARJETA DE CARRERA ===================================================== */

.umss-card {
    display: flex; flex-direction: column; padding: var(--spacing);
    background-color: #fff; border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg); box-shadow: var(--shadow);
    transition: all var(--transition-slow); overflow: hidden;
    height: 100%; /* Asegura que todas las tarjetas tengan la misma altura */
}

.umss-card:hover {
    transform: translateY(-4px); box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.umss-card:hover .umss-carrera-nombre { color: #021521; }
.umss-card:hover .umss-btn-postularme { background-color: var(--primary-dark); }

/* Tags de facultades */
.umss-tags-container { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: var(--spacing); }

.umss-tag {
    display: inline-block; padding: 4px 10px; font-size: 12px; font-weight: 600;
    text-transform: uppercase; background-color: var(--gray-100);
    color: var(--gray-700); border-radius: var(--radius); text-decoration: none;
    transition: all var(--transition);
}

.umss-tag-facultad { background-color: #fe2860; color: #fff; text-transform: none; font-size: 0.6rem;}
.umss-tag-facultad:hover { background-color: var(--primary-light);}

/* Nombre de carrera */
.umss-carrera-nombre {
    font-size: 18px; font-weight: 300; color: var(--gray-700);
    margin-bottom: 8px; transition: color var(--transition); line-height: 1.4;
}

/* Descripción breve */
.umss-carrera-descripcion {
    font-size: 14px; color: var(--gray-500); margin-bottom: var(--spacing);
    line-height: 1.5;
}

/* Información de duración */
.umss-info-duracion {
    display: flex; align-items: center; gap: 6px; padding: 8px; margin-bottom: var(--spacing);
    background-color: var(--gray-50); border-left: 4px solid var(--primary-color);
    border-radius: var(--radius); font-size: 14px; color: var(--gray-600);
}

.umss-info-duracion i { color: var(--primary-color); font-size: 16px; }

/* ===================================================== BOTONES DE ACCIÓN ===================================================== */

.umss-carrera-acciones {
    display: flex; gap: 10px; justify-content: space-between; margin-top: auto; /* margin-top: auto empuja los botones al fondo */
    flex-wrap: wrap; padding-top: var(--spacing);
}

.umss-btn-accion {
    flex: 1; min-width: 140px; padding: 12px 16px; font-size: 14px; font-weight: 600;
    border: none; border-radius: var(--radius); cursor: pointer;
    transition: all var(--transition); display: inline-flex; align-items: center;
    justify-content: center; gap: 8px; text-decoration: none;
    font-family: inherit;
}

/* Botón Postularme (primario) */
.umss-btn-postularme {
    background-color: #021521; color: #fff;
    flex: 1.5;
}

.umss-btn-postularme:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md); text-decoration: none;
}

.umss-btn-postularme:active { transform: translateY(0); }

/* Botón Malla (secundario) */
.umss-btn-malla {
    background-color: #fff;
    color: var(--gray-700);
    border: 1px solid #021521;
    flex: 1;
}

.umss-btn-malla:hover {
    background-color: #ffffff;
    color: var(--gray-700);
    border-color: #fe2860;
    transform: translateY(-2px); box-shadow: var(--shadow-md);
    text-decoration: none;
}

.umss-btn-malla:active { transform: translateY(0); }

/* ===================================================== NOTIFICACIONES Y MENSAJES ===================================================== */

.umss-mensaje {
    padding: var(--spacing); margin-bottom: var(--spacing); border-radius: var(--radius-lg);
    border-left: 4px solid; font-size: 14px;
}

.umss-mensaje-exito { background-color: #f0f9ff; color: var(--success-color); border-color: var(--success-color); }
.umss-mensaje-error { background-color: #fef2f2; color: var(--danger-color); border-color: var(--danger-color); }
.umss-mensaje-warning { background-color: #fffbeb; color: #92400e; border-color: var(--warning-color); }
.umss-mensaje-info { background-color: #f0f9ff; color: var(--info-color); border-color: var(--info-color); }

/* ===================================================== ESTADO SIN CARRERAS ===================================================== */

.umss-sin-carreras {
    text-align: center; padding: 60px 20px;
    background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
    border-radius: var(--radius-lg); border: 2px dashed var(--gray-300);
}

.umss-sin-carreras-icon { font-size: 48px; color: var(--gray-400); margin-bottom: var(--spacing); }
.umss-sin-carreras-text { font-size: 18px; color: var(--gray-600); font-weight: 600; margin-bottom: 8px; }
.umss-sin-carreras-desc { color: var(--gray-500); font-size: 14px; }

/* ===================================================== MODALES ===================================================== */

.umss-modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.5); display: flex; align-items: center;
    justify-content: center; z-index: 999999;
    opacity: 0; visibility: hidden; transition: all var(--transition);
}

.umss-modal.active { opacity: 1; visibility: visible; }

.umss-modal-content {
    background: #fff; width: 90%; max-width: 550px; border-radius: var(--radius-lg);
    padding: 30px; box-shadow: var(--shadow-lg); transform: translateY(-30px);
    transition: all var(--transition); max-height: 80vh; overflow-y: auto;
}

.umss-modal.active .umss-modal-content { transform: translateY(0); }

.umss-modal-header {
    display: flex; justify-content:space-between; align-items: center; margin-bottom: 20px;
    border-bottom: 2px solid var(--gray-100); padding-bottom: 15px;
}

.umss-modal-header h4 { margin: 0; font-size: 1.4em; color: var(--gray-700); font-weight: 300;}

.umss-subtitle-carrera {
    margin: 0; font-family: Inter;font-size: 0.8em; color: var(--gray-500); font-weight: 400; padding-top: 5px;
}

.umss-modal-close {
    background: none; border: none; font-size: 2em; cursor: pointer;
    color: var(--gray-400); line-height: 1; transition: all var(--transition);
    padding: 0; width: 40px; height: 40px; display: flex;
    align-items: center; justify-content: center; border-radius: 50%;
}

.umss-modal-close:hover { color: var(--gray-700); background: var(--gray-100); }

.umss-lista-sedes a {
    display: block; padding: 15px 20px; background: var(--gray-50); margin-bottom: 10px;
    border-radius: var(--radius); text-decoration: none; color: var(--primary-color);
    font-weight: 600; border: 2px solid var(--gray-200); transition: all var(--transition);
}

.umss-lista-sedes a:hover {
    background: #e6f2ff; border-color: var(--primary-color);
    transform: translateX(5px); box-shadow: 0 4px 8px rgba(34, 113, 177, 0.1);
}

/* ===================================================== ESTADO: SIN RESULTADOS ===================================================== */

.umss-no-results { text-align: center; padding: 60px 20px; color: var(--gray-500); }
.umss-no-results-icon { font-size: 4em; color: var(--gray-300); margin-bottom: var(--spacing); }
.umss-no-results-text { font-size: 1.2em; color: var(--gray-600); font-weight: 600; margin-bottom: 10px; }

/* ===================================================== ANIMACIONES ===================================================== */

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.umss-card { animation: fadeIn 0.3s ease-out; }
.umss-carrera-grid { animation: slideUp 0.4s ease-out; }

/* Evita re-animaciones agresivas durante actualizaciones por AJAX */
.umss-carreras-wrapper.is-updating .umss-carrera-grid { animation: none; }

/* ===================================================== RESPONSIVE - TABLETAS (768px) ===================================================== */

@media (max-width: 768px) {
    .umss-carreras-wrapper { padding: 24px 16px; }
    .umss-carrera-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
    .umss-filtros-container { flex-direction: row; overflow-x: auto; padding: 12px; }
    .umss-btn-filtro { flex-shrink: 0; }
    .umss-card { padding: 12px; }
    .umss-carrera-nombre { font-size: 16px;}
    .umss-carrera-acciones { gap: 8px; }
    .umss-btn-accion { padding: 10px 12px; font-size: 13px; }
}

/* ===================================================== RESPONSIVE - MÓVILES (480px) ===================================================== */

@media (max-width: 480px) {
    .umss-carreras-wrapper { padding: 16px 12px; }
    .umss-carrera-grid { grid-template-columns: 1fr; gap: 12px; }
    .umss-filtros-container { gap: 6px; padding: 8px; }
    .umss-btn-filtro { padding: 6px 12px; font-size: 12px; }
    .umss-card { padding: 12px; }
    .umss-carrera-nombre { font-size: 15px; }
    .umss-buscador-input { font-size: 16px; }
    .umss-carrera-acciones { flex-direction: column; gap: 8px; }
    .umss-btn-accion { width: 100%; padding: 10px; font-size: 13px; }
    .umss-btn-postularme { flex: 1; }
    .umss-btn-malla { flex: 1; }
    
    /* Paginación mobile */
    .umss-pagination { flex-direction: column; gap: 12px; }
    .umss-pagination-numbers { flex-wrap: wrap; justify-content: center; }
    .umss-pagination-btn { padding: 8px 12px; font-size: 12px; }
}

/* ===================================================== PAGINACIÓN ===================================================== */

.umss-pagination {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    margin-top: 40px; padding-top: 40px; border-top: 1px solid var(--gray-200);
}

.umss-pagination-btn {
    padding: 10px 16px; font-size: 14px; font-weight: 600;
    color: #021521; background-color: #fff;
    border: 1px solid var(--gray-300); border-radius: var(--radius);
    cursor: pointer; transition: all var(--transition);
    text-decoration: none; display: inline-flex; align-items: center; gap: 6px;
}

.umss-pagination-btn:hover {
    background-color: #fe2860; color: #fff;
    border-color: #fe2860;
}

.umss-pagination-numbers {
    display: flex; gap: 4px; align-items: center;
}

.umss-pagination-number {
    min-width: 36px; height: 36px; padding: 0 8px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--gray-300); border-radius: var(--radius);
    cursor: pointer; transition: all var(--transition);
    text-decoration: none; font-weight: 500; color: var(--gray-700);
    background-color: #fff;
}

.umss-pagination-number:hover {
    background-color: var(--gray-100); border-color: #fe2860;
}

.umss-pagination-number.active {
    background-color: #fe2860; color: #fff;
    border-color: #fe2860; font-weight: 700;
}

.umss-pagination-dots {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0 4px; color: var(--gray-500);
}

/* ===================================================== COMPATIBILIDAD DIVI ===================================================== */

.et_pb_section .umss-carreras-wrapper,
.et_pb_row .umss-carreras-wrapper,
.et_pb_column .umss-carreras-wrapper { font-family: inherit; }