/* ==========================================================================
   SIMULACRO-MEJORAS.CSS - Mejoras UI/UX específicas para el módulo de simulacros
   Fecha: 17 de Octubre, 2025
   ========================================================================== */

/* ==========================================================================
   1. SELECTORES (DROPDOWNS) - Más visibles y usables
   ========================================================================== */

/* Sobrescribir estilos de selectores solo en sección de simulacros */
#simulacro-section select,
#simulacro-real-form select {
    padding: 1rem 1.2rem;
    border: 2px solid var(--bg-card);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

#simulacro-section select:hover:not(:disabled),
#simulacro-real-form select:hover:not(:disabled) {
    border-color: var(--primary-accent);
    background-color: var(--bg-card);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.15);
}

#simulacro-section select:focus,
#simulacro-real-form select:focus {
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.25);
}

#simulacro-section select:disabled,
#simulacro-real-form select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--bg-main);
    border-color: var(--bg-surface);
}

/* Flecha más visible con color morado */
#simulacro-section select,
#simulacro-real-form select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23A78BFA'%3E%3Cpath d='M11.9997 13.1714L16.9495 8.22168L18.3637 9.63589L11.9997 15.9999L5.63574 9.63589L7.04996 8.22168L11.9997 13.1714Z'%3E%3C/path%3E%3C/svg%3E");
    background-size: 1.75em;
}

/* ==========================================================================
   2. CHECKBOXES - Más grandes y claros
   ========================================================================== */

/* Sobrescribir checkboxes solo en sección de simulacros */
#simulacro-section input[type="checkbox"],
#simulacro-materias-container input[type="checkbox"] {
    width: 1.5em;
    height: 1.5em;
    border: 2px solid var(--bg-card);
    border-radius: 0.35em;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0; /* Evita que se encoja */
}

#simulacro-section input[type="checkbox"]:hover,
#simulacro-materias-container input[type="checkbox"]:hover {
    border-color: var(--primary-accent);
    background-color: rgba(139, 92, 246, 0.1);
    transform: scale(1.1);
}

#simulacro-section input[type="checkbox"]:checked,
#simulacro-materias-container input[type="checkbox"]:checked {
    background-color: var(--primary-accent);
    border-color: var(--primary-accent);
}

#simulacro-section input[type="checkbox"]:checked::before,
#simulacro-materias-container input[type="checkbox"]:checked::before {
    box-shadow: inset 1em 1em white;
}

/* ==========================================================================
   3. RADIO BUTTONS - Con indicador visual claro (círculo)
   ========================================================================== */

/* Contenedor de opciones */
#simulacro-container .opciones-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Item de opción */
#simulacro-container .opcion-item {
    display: block;
}

/* Ocultar radio button nativo */
#simulacro-container .opcion-item input[type="radio"] {
    display: none;
}

/* Label mejorado con espacio para círculo */
#simulacro-container .opcion-item label {
    display: flex;
    align-items: center;
    padding: 1.2rem;
    padding-left: 3.5rem;
    background-color: var(--bg-card);
    border: 2px solid var(--bg-surface);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    font-size: 1rem;
    line-height: 1.6;
}

/* Círculo indicador personalizado */
#simulacro-container .opcion-item label::before {
    content: '';
    position: absolute;
    left: 1.2rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--text-secondary);
    border-radius: 50%;
    background-color: var(--bg-main);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

/* Hover en label */
#simulacro-container .opcion-item label:hover {
    background-color: var(--bg-surface);
    border-color: var(--primary-accent);
    transform: translateX(4px);
}

#simulacro-container .opcion-item label:hover::before {
    border-color: var(--primary-accent);
}

/* Estado seleccionado */
#simulacro-container .opcion-item input[type="radio"]:checked + label {
    border-color: var(--primary-accent);
    background-color: rgba(139, 92, 246, 0.15);
    font-weight: 500;
}

#simulacro-container .opcion-item input[type="radio"]:checked + label::before {
    border-color: var(--primary-accent);
    background-color: var(--primary-accent);
    box-shadow: inset 0 0 0 4px var(--bg-card);
}

/* ==========================================================================
   4. BOTONES DE MODO (Práctica / Real) - Estilo propio
   ========================================================================== */

.exam-mode-selector {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 0.5rem;
    background-color: var(--bg-surface);
    border-radius: var(--border-radius);
    width: fit-content;
}

.exam-mode-selector .tab-button {
    padding: 0.75rem 1.5rem;
    border: 2px solid transparent;
    background-color: transparent;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: calc(var(--border-radius) - 2px);
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.exam-mode-selector .tab-button:hover {
    color: var(--text-primary);
    background-color: var(--bg-card);
    transform: translateY(-2px);
}

.exam-mode-selector .tab-button.active {
    background-color: var(--primary-accent);
    color: white;
    border-color: var(--primary-accent);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.3);
}

/* ==========================================================================
   5. JERARQUÍA VISUAL - Materias, Temas y Subtemas
   ========================================================================== */

/* Contenedor principal de materias */
#simulacro-materias-list.materias-list {
    padding: 1.5rem;
    background-color: var(--bg-surface);
    border-radius: var(--border-radius);
}

/* Item de materia */
.materia-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-accent);
    transition: all 0.3s ease;
}

.materia-item:hover {
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.1);
}

/* Header de materia */
.materia-header {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Item de tema */
.tema-item {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

/* Header de tema */
.tema-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.tema-header:hover {
    background-color: var(--bg-surface);
}

.tema-label {
    cursor: pointer;
    font-weight: 500;
    color: var(--text-primary);
}

/* Contenedor de subtemas */
.subtemas-container {
    padding-left: 3rem;
    margin-top: 0.75rem;
    border-left: 2px solid var(--primary-accent);
    margin-left: 1.5rem;
    padding-top: 0.5rem;
}

/* Item de subtema */
.subtema-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.4rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.subtema-item:hover {
    background-color: var(--bg-surface);
}

.subtema-label {
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Mensaje cuando no hay materias */
.no-materias-message {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* ==========================================================================
   6. CARDS PARA PREGUNTAS - Separación visual clara
   ========================================================================== */

/* Item de pregunta */
#simulacro-container .pregunta-item {
    background-color: var(--bg-card);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--bg-surface);
    transition: all 0.3s ease;
}

#simulacro-container .pregunta-item:hover {
    border-color: var(--primary-accent);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.1);
    transform: translateY(-2px);
}

/* Título de pregunta (número) */
#simulacro-container .pregunta-item h4 {
    color: var(--primary-accent);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--bg-surface);
}

/* Texto de la pregunta */
#simulacro-container .pregunta-texto {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   7. MEJORAS ADICIONALES - Inputs y botones
   ========================================================================== */

/* Inputs de número más visibles */
#simulacro-section input[type="number"],
#simulacro-real-form input[type="number"] {
    padding: 1rem 1.2rem;
    border: 2px solid var(--bg-card);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

#simulacro-section input[type="number"]:hover,
#simulacro-real-form input[type="number"]:hover {
    border-color: var(--primary-accent);
    background-color: var(--bg-card);
}

#simulacro-section input[type="number"]:focus,
#simulacro-real-form input[type="number"]:focus {
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.25);
}

/* Botones de submit mejorados */
#simulacro-section button[type="submit"],
#simulacro-real-form button[type="submit"] {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

#simulacro-section button[type="submit"]:hover,
#simulacro-real-form button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(139, 92, 246, 0.3);
}

/* Botón de enviar respuestas del simulacro */
#simulacro-container button[type="submit"] {
    width: 100%;
    padding: 1.25rem 2rem;
    font-size: 1.2rem;
    margin-top: 2rem;
}

/* ==========================================================================
   8. RESPONSIVE - Ajustes para móvil
   ========================================================================== */

@media (max-width: 768px) {
    /* Selectores más compactos en móvil */
    #simulacro-section select,
    #simulacro-real-form select {
        padding: 0.9rem 1rem;
        font-size: 0.95rem;
    }
    
    /* Checkboxes mantienen tamaño en móvil */
    #simulacro-section input[type="checkbox"],
    #simulacro-materias-container input[type="checkbox"] {
        width: 1.5em;
        height: 1.5em;
    }
    
    /* Radio buttons más compactos */
    #simulacro-container .opcion-item label {
        padding: 1rem;
        padding-left: 3rem;
        font-size: 0.95rem;
    }
    
    #simulacro-container .opcion-item label::before {
        left: 1rem;
        width: 1.3rem;
        height: 1.3rem;
    }
    
    /* Botones de modo en stack en móvil */
    .exam-mode-selector {
        flex-direction: column;
        width: 100%;
    }
    
    .exam-mode-selector .tab-button {
        width: 100%;
        text-align: center;
    }
    
    /* Preguntas más compactas */
    #simulacro-container .pregunta-item {
        padding: 1.5rem;
    }
    
    #simulacro-container .pregunta-item h4 {
        font-size: 1.1rem;
    }
    
    /* Jerarquía de temas más compacta */
    .materia-item {
        padding: 1rem;
    }
    
    .subtemas-container {
        padding-left: 2rem;
        margin-left: 1rem;
    }
}

/* ==========================================================================
   9. ANIMACIONES Y TRANSICIONES SUAVES
   ========================================================================== */

/* Fade in para preguntas cargadas */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#simulacro-container .pregunta-item {
    animation: fadeInUp 0.4s ease-out;
}

/* Stagger animation para múltiples preguntas */
#simulacro-container .pregunta-item:nth-child(1) { animation-delay: 0.05s; }
#simulacro-container .pregunta-item:nth-child(2) { animation-delay: 0.1s; }
#simulacro-container .pregunta-item:nth-child(3) { animation-delay: 0.15s; }
#simulacro-container .pregunta-item:nth-child(4) { animation-delay: 0.2s; }
#simulacro-container .pregunta-item:nth-child(5) { animation-delay: 0.25s; }

/* Pulse en checkbox al hacer check */
@keyframes checkPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

#simulacro-section input[type="checkbox"]:checked,
#simulacro-materias-container input[type="checkbox"]:checked {
    animation: checkPulse 0.3s ease;
}

/* ==========================================================================
   10. ESTADOS DE CARGA Y FEEDBACK
   ========================================================================== */

/* Loading state para selectores */
#simulacro-section select:disabled,
#simulacro-real-form select:disabled {
    position: relative;
}

/* Mensaje de ayuda más visible */
.help-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    line-height: 1.5;
}

/* Instrucciones de materias más destacadas */
.materias-instructions {
    background-color: rgba(139, 92, 246, 0.1);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-accent);
    margin-bottom: 1.5rem;
}

.materias-instructions ul {
    margin: 0;
    padding-left: 1.5rem;
}

.materias-instructions li {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* ==========================================================================
   FIN DEL ARCHIVO
   ========================================================================== */