/**
 * DriveMaster Quiz - Estilos Públicos
 * Mobile-First Responsive Design
 * 
 * @package DriveMaster_Quiz
 */

/* ========================================
   Variables CSS
   ======================================== */
:root {
    --dm-primary: #2563eb;
    --dm-primary-dark: #1e40af;
    --dm-success: #10b981;
    --dm-error: #ef4444;
    --dm-warning: #f59e0b;
    --dm-gray-50: #f9fafb;
    --dm-gray-100: #f3f4f6;
    --dm-gray-200: #e5e7eb;
    --dm-gray-300: #d1d5db;
    --dm-gray-600: #4b5563;
    --dm-gray-700: #374151;
    --dm-gray-900: #111827;
    --dm-radius: 12px;
    --dm-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --dm-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* ========================================
   Reset y Base
   ======================================== */
.dm-quiz-wrapper *,
.dm-dashboard-wrapper *,
.dm-weekly-review-wrapper * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ========================================
   Botones
   ======================================== */
.dm-button {
    display: inline-block;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--dm-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 44px;
    min-width: 44px;
}

.dm-button-primary {
    background-color: var(--dm-primary);
    color: white;
}

.dm-button-primary:hover {
    background-color: var(--dm-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--dm-shadow-lg);
}

.dm-button-secondary {
    background-color: var(--dm-gray-100);
    color: var(--dm-gray-700);
}

.dm-button-secondary:hover {
    background-color: var(--dm-gray-200);
}

.dm-button-large {
    padding: 16px 32px;
    font-size: 18px;
    width: 100%;
}

.dm-button-small {
    padding: 8px 16px;
    font-size: 14px;
}

.dm-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========================================
   Quiz Wrapper
   ======================================== */
.dm-quiz-wrapper {
    max-width: 600px;
    margin: 0 auto;
    padding: 16px;
}

/* Header del Quiz */
.dm-quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--dm-gray-50);
    border-radius: var(--dm-radius);
    margin-bottom: 20px;
}

.dm-streak-badge {
    display: flex;
    align-items: center;
    gap: 8px;
}

.streak-icon {
    font-size: 24px;
}

.streak-count {
    font-size: 24px;
    font-weight: 700;
    color: var(--dm-primary);
}

.streak-label {
    font-size: 14px;
    color: var(--dm-gray-600);
}

.dm-progress-summary {
    text-align: right;
}

.progress-label {
    display: block;
    font-size: 12px;
    color: var(--dm-gray-600);
}

.progress-count {
    font-size: 18px;
    font-weight: 600;
    color: var(--dm-gray-900);
}

/* ========================================
   Pantalla de Inicio
   ======================================== */
.dm-quiz-start {
    background: white;
    border-radius: var(--dm-radius);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--dm-shadow);
}

.start-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.dm-quiz-start h2 {
    font-size: 28px;
    color: var(--dm-gray-900);
    margin-bottom: 12px;
}

.start-description {
    color: var(--dm-gray-600);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.start-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 32px;
}

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

.stat-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--dm-primary);
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--dm-gray-600);
    margin-top: 4px;
}

/* ========================================
   Pantalla de Pregunta
   ======================================== */
.dm-quiz-question {
    background: white;
    border-radius: var(--dm-radius);
    padding: 24px;
    box-shadow: var(--dm-shadow);
}

/* Barra de progreso */
.dm-question-progress {
    margin-bottom: 24px;
}

.progress-bar {
    height: 8px;
    background: var(--dm-gray-200);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: var(--dm-primary);
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    font-size: 14px;
    color: var(--dm-gray-600);
    font-weight: 600;
}

/* Meta de la pregunta */
.dm-question-meta {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.question-category,
.question-difficulty {
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
}

.question-category {
    background: var(--dm-primary);
    color: white;
}

.question-difficulty {
    background: var(--dm-gray-200);
    color: var(--dm-gray-700);
}

/* Texto de la pregunta */
.dm-question-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--dm-gray-900);
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Imagen de la pregunta */
.dm-question-image {
    margin-bottom: 20px;
}

.dm-question-image img {
    width: 100%;
    height: auto;
    border-radius: var(--dm-radius);
    box-shadow: var(--dm-shadow);
}

/* Opciones de respuesta */
.dm-question-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dm-option {
    padding: 16px 20px;
    background: var(--dm-gray-50);
    border: 2px solid var(--dm-gray-200);
    border-radius: var(--dm-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 16px;
    text-align: left;
    min-height: 60px;
    display: flex;
    align-items: center;
}

.dm-option:hover {
    border-color: var(--dm-primary);
    background: white;
}

.dm-option.selected {
    border-color: var(--dm-primary);
    background: rgba(37, 99, 235, 0.1);
}

.dm-option.correct {
    border-color: var(--dm-success);
    background: rgba(16, 185, 129, 0.1);
}

.dm-option.incorrect {
    border-color: var(--dm-error);
    background: rgba(239, 68, 68, 0.1);
}

.dm-option.disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.option-letter {
    display: inline-block;
    width: 32px;
    height: 32px;
    line-height: 32px;
    text-align: center;
    background: var(--dm-primary);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    margin-right: 12px;
    flex-shrink: 0;
}

.dm-option.correct .option-letter {
    background: var(--dm-success);
}

.dm-option.incorrect .option-letter {
    background: var(--dm-error);
}

/* Feedback */
.dm-question-feedback {
    margin-top: 24px;
    padding: 20px;
    border-radius: var(--dm-radius);
    animation: fadeIn 0.3s ease;
}

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

.feedback-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.feedback-icon {
    font-size: 32px;
}

.feedback-title {
    font-size: 20px;
    font-weight: 700;
}

.feedback-explanation {
    font-size: 16px;
    line-height: 1.6;
    color: var(--dm-gray-700);
    margin-bottom: 20px;
}

/* Sección de notas */
.dm-note-section {
    margin-bottom: 20px;
}

.dm-note-section label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dm-gray-700);
    margin-bottom: 8px;
}

.dm-note-section textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--dm-gray-200);
    border-radius: var(--dm-radius);
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
}

.dm-note-section textarea:focus {
    outline: none;
    border-color: var(--dm-primary);
}

/* ========================================
   Pantalla de Resultados
   ======================================== */
.dm-quiz-results {
    background: white;
    border-radius: var(--dm-radius);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--dm-shadow);
}

.results-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.dm-quiz-results h2 {
    font-size: 28px;
    color: var(--dm-gray-900);
    margin-bottom: 24px;
}

.results-stats {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 24px;
}

.result-stat {
    text-align: center;
    padding: 16px;
    background: var(--dm-gray-50);
    border-radius: var(--dm-radius);
    min-width: 100px;
}

.result-stat-primary {
    background: rgba(37, 99, 235, 0.1);
}

.result-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--dm-primary);
}

.result-label {
    display: block;
    font-size: 14px;
    color: var(--dm-gray-600);
    margin-top: 4px;
}

.results-streak {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px;
    background: var(--dm-gray-50);
    border-radius: var(--dm-radius);
    margin-bottom: 24px;
}

.results-streak .streak-icon {
    font-size: 32px;
}

.streak-message {
    font-size: 16px;
    font-weight: 600;
    color: var(--dm-gray-700);
}

.results-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ========================================
   Dashboard
   ======================================== */
.dm-dashboard-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    padding: 16px;
}

.dm-dashboard-header {
    text-align: center;
    margin-bottom: 32px;
}

.dm-dashboard-header h1 {
    font-size: 32px;
    color: var(--dm-gray-900);
    margin-bottom: 8px;
}

.dashboard-subtitle {
    font-size: 16px;
    color: var(--dm-gray-600);
}

/* Grid de estadísticas */
.dm-stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 32px;
}

.dm-stat-card {
    background: white;
    border-radius: var(--dm-radius);
    padding: 20px;
    box-shadow: var(--dm-shadow);
    display: flex;
    align-items: center;
    gap: 16px;
}

.dm-stat-card-primary {
    background: linear-gradient(135deg, var(--dm-primary) 0%, var(--dm-primary-dark) 100%);
    color: white;
}

.dm-stat-card .stat-icon {
    font-size: 40px;
}

.dm-stat-card .stat-content {
    flex: 1;
}

.dm-stat-card .stat-value {
    font-size: 32px;
    font-weight: 700;
    display: block;
    margin-bottom: 4px;
}

.dm-stat-card-primary .stat-value {
    color: white;
}

.dm-stat-card .stat-label {
    font-size: 14px;
    color: var(--dm-gray-600);
}

.dm-stat-card-primary .stat-label {
    color: rgba(255, 255, 255, 0.9);
}

.stat-success {
    color: var(--dm-success);
    font-size: 14px;
    font-weight: 600;
    margin-top: 4px;
}

.stat-warning {
    color: var(--dm-warning);
    font-size: 14px;
    font-weight: 600;
    margin-top: 4px;
}

/* Sección del dashboard */
.dm-dashboard-section {
    background: white;
    border-radius: var(--dm-radius);
    padding: 24px;
    box-shadow: var(--dm-shadow);
    margin-bottom: 24px;
}

.dm-dashboard-section h2 {
    font-size: 22px;
    color: var(--dm-gray-900);
    margin-bottom: 20px;
}

/* Gráfico semanal */
.dm-weekly-chart {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    height: 200px;
    padding: 20px 0;
    border-bottom: 2px solid var(--dm-gray-200);
    margin-bottom: 16px;
}

.weekly-day {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.day-bar-container {
    width: 100%;
    height: 150px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.day-bar {
    width: 80%;
    background: var(--dm-primary);
    border-radius: 4px 4px 0 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 8px;
    transition: height 0.3s ease;
}

.day-count {
    color: white;
    font-size: 14px;
    font-weight: 700;
}

.day-label {
    font-size: 12px;
    color: var(--dm-gray-600);
    font-weight: 600;
}

.weekly-summary {
    text-align: center;
    color: var(--dm-gray-600);
    font-size: 14px;
}

/* Categorías */
.dm-categories-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.category-item {
    padding: 16px;
    background: var(--dm-gray-50);
    border-radius: var(--dm-radius);
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.category-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--dm-gray-900);
}

.category-accuracy {
    font-size: 18px;
    font-weight: 700;
}

.accuracy-good {
    color: var(--dm-success);
}

.accuracy-medium {
    color: var(--dm-warning);
}

.accuracy-low {
    color: var(--dm-error);
}

.category-progress-bar {
    height: 8px;
    background: var(--dm-gray-200);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.category-progress-fill {
    height: 100%;
    background: var(--dm-primary);
    transition: width 0.3s ease;
}

.category-meta {
    font-size: 12px;
    color: var(--dm-gray-600);
}

/* Badges */
.dm-badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 16px;
}

.badge-item {
    text-align: center;
    padding: 20px;
    background: var(--dm-gray-50);
    border-radius: var(--dm-radius);
    border: 2px solid var(--dm-gray-200);
}

.badge-earned {
    background: white;
    border-color: var(--dm-primary);
}

.badge-icon {
    font-size: 48px;
    margin-bottom: 8px;
}

.badge-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--dm-gray-900);
    margin-bottom: 4px;
}

.badge-description {
    font-size: 12px;
    color: var(--dm-gray-600);
}

/* Acciones del dashboard */
.dm-dashboard-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
}

/* ========================================
   Reflexión Semanal
   ======================================== */
.dm-weekly-review-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 16px;
}

.dm-review-header {
    text-align: center;
    margin-bottom: 32px;
}

.dm-review-header h1 {
    font-size: 32px;
    color: var(--dm-gray-900);
    margin-bottom: 8px;
}

.review-subtitle {
    font-size: 16px;
    color: var(--dm-gray-600);
}

.dm-current-review {
    background: white;
    border-radius: var(--dm-radius);
    padding: 24px;
    box-shadow: var(--dm-shadow);
    margin-bottom: 24px;
}

.review-period {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--dm-gray-50);
    border-radius: var(--dm-radius);
    margin-bottom: 24px;
}

.period-icon {
    font-size: 20px;
}

.period-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--dm-gray-700);
}

.review-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.review-stat {
    text-align: center;
    padding: 20px;
    background: var(--dm-gray-50);
    border-radius: var(--dm-radius);
}

.review-stat-primary {
    background: rgba(37, 99, 235, 0.1);
}

.review-categories {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.category-highlight {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    border-radius: var(--dm-radius);
}

.category-strong {
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--dm-success);
}

.category-weak {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid var(--dm-error);
}

.category-icon {
    font-size: 32px;
}

.category-title {
    font-size: 12px;
    color: var(--dm-gray-600);
    text-transform: uppercase;
    font-weight: 600;
}

.category-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--dm-gray-900);
}

/* Recomendaciones */
.review-recommendations {
    margin-bottom: 24px;
}

.review-recommendations h3 {
    font-size: 18px;
    color: var(--dm-gray-900);
    margin-bottom: 12px;
}

.recommendations-list {
    list-style: none;
    padding: 0;
}

.recommendations-list li {
    padding: 12px 16px;
    background: var(--dm-gray-50);
    border-left: 4px solid var(--dm-primary);
    border-radius: 4px;
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.6;
}

/* Reflexión personal */
.review-reflection h3 {
    font-size: 18px;
    color: var(--dm-gray-900);
    margin-bottom: 12px;
}

.reflection-display {
    padding: 16px;
    background: var(--dm-gray-50);
    border-radius: var(--dm-radius);
    margin-bottom: 12px;
}

.reflection-display p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--dm-gray-700);
    margin-bottom: 12px;
}

.reflection-form textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--dm-gray-200);
    border-radius: var(--dm-radius);
    font-size: 14px;
    font-family: inherit;
    margin-bottom: 12px;
}

.reflection-form textarea:focus {
    outline: none;
    border-color: var(--dm-primary);
}

/* ========================================
   Loading
   ======================================== */
.dm-loading {
    text-align: center;
    padding: 40px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--dm-gray-200);
    border-top-color: var(--dm-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   Responsive - Tablet
   ======================================== */
@media (min-width: 768px) {
    .dm-quiz-wrapper,
    .dm-weekly-review-wrapper {
        padding: 24px;
    }
    
    .dm-dashboard-wrapper {
        padding: 32px;
    }
    
    .dm-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .results-actions {
        flex-direction: row;
    }
    
    .dm-dashboard-actions {
        flex-direction: row;
    }
    
    .review-categories {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ========================================
   Responsive - Desktop
   ======================================== */
@media (min-width: 1024px) {
    .dm-stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .dm-badges-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}

/* ========================================
   Login Required
   ======================================== */
.dm-quiz-login-required {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: var(--dm-radius);
    box-shadow: var(--dm-shadow);
}

.dm-quiz-login-required p {
    font-size: 16px;
    color: var(--dm-gray-600);
    margin-bottom: 20px;
}