/* =========================================================
   RESPONSIVE PARA EL PANEL DE ADMINISTRACIÓN (CELULARES)
   ========================================================= */

@media (max-width: 768px) {
    
    /* 1. CABECERA */
    .header {
        flex-wrap: wrap !important;
        gap: 10px !important;
        padding: 10px !important;
        justify-content: center !important;
    }
    .logo {
        height: 40px !important;
    }
    .titulo-header h1 {
        font-size: 1.1rem !important;
    }
    .titulo-header p {
        font-size: 0.8rem !important;
    }
    .btn-cerrar {
        font-size: 0.8rem !important;
        padding: 8px 12px !important;
        margin-top: 5px !important;
    }

    /* 2. MENÚ (CORREGIDO) */
    .menu {
        position: static !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
        top: auto !important;
        width: 100% !important;
        gap: 8px !important;
        padding: 15px !important;
        margin: 20px 0 !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
    }
    .tab-btn {
        flex: 1 1 calc(50% - 5px) !important;
        width: calc(50% - 5px) !important;
        padding: 12px 0 !important;
        font-size: 0.9rem !important;
        text-align: center !important;
        background: rgba(255, 255, 255, 0.1) !important;
        border: 1px solid rgba(255, 255, 255, 0.2) !important;
        border-radius: 8px !important;
        color: white !important;
        margin: 0 !important;
    }
    .tab-btn.active {
        background-color: var(--crema) !important;
        color: var(--azul-oscuro) !important;
        border-color: transparent !important;
    }

    /* 3. CONTENEDOR PRINCIPAL */
    .contenedor { padding: 10px !important; }
    .contenedor-principal, .grid-reportes, .config-grid, div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
    
    /* 4. TARJETAS */
    .tarjeta { padding: 15px !important; }
    .tarjeta-blanca { padding: 15px !important; }
    .header-usuarios { flex-direction: column !important; align-items: flex-start !important; gap: 15px !important; }
    .header-usuarios h2 { font-size: 1.4rem !important; }

    /* 5. FORMULARIOS */
    .grid-form { grid-template-columns: 1fr !important; }
    input[type="text"], input[type="date"], input[type="email"], input[type="password"], select, textarea {
        font-size: 16px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    /* 6. BOTONES */
    .btn-tabla, .btn { display: block !important; width: 100% !important; margin-bottom: 8px !important; padding: 10px !important; box-sizing: border-box !important; }
    div[style*="display: flex"] { flex-wrap: wrap !important; }

    /* 7. TABLAS */
    .tabla-wrapper { overflow-x: auto !important; -webkit-overflow-scrolling: touch !important; display: block !important; }
    table { min-width: 700px !important; width: max-content !important; }

    /* 8. RESERVAS POR SEMANA */
    div[style*="repeat(6, 1fr)"] { grid-template-columns: repeat(3, 1fr) !important; gap: 5px !important; }

    /* 9. TARJETAS DE ESTADÍSTICAS */
    .resumen-tarjetas { grid-template-columns: 1fr !important; }
    .resumen-caja { flex-direction: row !important; }

    /* 10. MODALES */
    .modal, #modalMes > div, #modalClaveAdmin > div, #modalAdvertencia > div, #modalEditarDocente > div, #modalReservasPasadasAdmin > div {
        width: 95% !important; max-width: 95% !important; padding: 15px !important; box-sizing: border-box !important;
    }

    /* 11. CONFIGURACIÓN */
    .config-grid { grid-template-columns: 1fr !important; }

    /* 12. PIE DE PÁGINA (CORREGIDO) */
    .footer-institucional {
        position: static !important;
        left: auto !important;
        right: auto !important;
        bottom: auto !important;
        top: auto !important;
        width: 100% !important;
        text-align: center !important;
        margin-top: 20px !important;
        padding: 15px 10px !important;
        background-color: #FFF8E7 !important;
        border-top: 1px solid #ddd !important;
        box-sizing: border-box !important;
    }
} /* <-- ESTA ERA LA LLAVE QUE FALTABA */

/* =========================================================
   RESPONSIVE PARA EL LOGIN (CELULARES Y TABLETS)
   ========================================================= */

@media (max-width: 600px) {
    body { padding: 15px !important; height: auto !important; min-height: 100vh !important; display: flex !important; align-items: center !important; justify-content: center !important; }
    .tarjeta { width: 100% !important; max-width: 380px !important; padding: 25px 20px !important; margin: 10px auto !important; box-sizing: border-box !important; border-radius: 15px !important; margin-left: auto !important; margin-right: auto !important; }
    .tarjeta h1 { font-size: 1.5rem !important; margin-bottom: 20px !important; }
    .campo { margin-bottom: 16px !important; }
    .campo label { font-size: 0.9rem !important; margin-bottom: 4px !important; }
    input[type="text"], input[type="password"] { font-size: 16px !important; padding: 14px 12px !important; border-radius: 8px !important; width: 100% !important; box-sizing: border-box !important; }
    .boton { font-size: 1rem !important; padding: 14px !important; border-radius: 8px !important; width: 100% !important; box-sizing: border-box !important; }
    .enlace { font-size: 0.9rem !important; margin-top: 20px !important; }
    .error { font-size: 0.85rem !important; padding: 10px !important; border-radius: 8px !important; margin-bottom: 15px !important; }
    .primer-ingreso { font-size: 0.75rem !important; margin-bottom: 12px !important; }
    .footer-institucional { font-size: 0.7rem !important; padding-top: 12px !important; margin-top: 20px !important; }
}

/* Para pantallas muy pequeñas (menos de 380px) */
@media (max-width: 380px) {
    .tarjeta { padding: 18px 15px !important; }
    .tarjeta h1 { font-size: 1.3rem !important; }
    input[type="text"], input[type="password"] { padding: 12px 10px !important; font-size: 15px !important; }
    .boton { padding: 12px !important; font-size: 0.95rem !important; }
}