@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

:root {
    --font-primary: 'Outfit', sans-serif;
    
    /* Paleta de colores oficial del examen municipal */
    --color-bg-main: #f4f6f9;
    --color-border-soft: #dcdfe6;
    --color-text-dark: #2c3e50;
    --color-text-muted: #5e6d7e;
    
    /* Botón anterior/siguiente y timer */
    --color-success-green: #2e7d32;
    --color-success-green-hover: #1b5e20;
    --color-timer-bg: #235124; /* Fondo verde oficial solicitado */
    --color-timer-green: #ffffff; /* Letras blancas oficiales */
    
    /* Municipal Blue (Cuadros de preguntas contestadas y activo) */
    --color-muni-blue: #0f4c81;
    --color-muni-blue-hover: #0a335c;
    --color-muni-blue-selected: #e1f5fe;
    
    /* Botón Finalizar */
    --color-danger-red: #c62828;
    --color-danger-red-hover: #b71c1c;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-main);
    color: var(--color-text-dark);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ==========================================================================
   Welcome / Setup Screen
   ========================================================================== */
.welcome-container {
    max-width: 650px;
    margin: 60px auto;
    padding: 40px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border: 1px solid var(--color-border-soft);
}

.welcome-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #003366;
}

.welcome-logo .flag {
    width: 50px;
    height: 35px;
    background: linear-gradient(to bottom, #003366 50%, #c62828 50%);
    position: relative;
    border: 1px solid #ccc;
}
.welcome-logo .flag::before {
    content: "★";
    color: white;
    position: absolute;
    top: 2px;
    left: 4px;
    font-size: 14px;
}

.welcome-title {
    font-size: 24px;
    font-weight: 700;
    color: #003366;
}

.welcome-subtitle {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 18px;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-text-dark);
}

.form-group input, .form-group select {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-primary);
    font-size: 15px;
    border: 1px solid var(--color-border-soft);
    border-radius: 6px;
    background-color: #fafbfc;
    color: var(--color-text-dark);
    transition: all 0.2s ease;
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--color-muni-blue);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.15);
}

/* Mode Carousel Wrapper */
.mode-carousel-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    margin: 25px 0 15px 0;
}

/* Updated Mode Selector as a Carousel Track */
.mode-selector {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding: 10px 5px;
    width: 100%;
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;  /* Firefox */
}

.mode-selector::-webkit-scrollbar {
    display: none; /* Chrome, Safari and Opera */
}

/* Modern responsive Mode Cards inside Carousel */
.mode-card {
    flex: 0 0 100%;
    scroll-snap-align: center;
    border: 2px solid var(--color-border-soft);
    border-radius: 12px;
    padding: 24px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: left;
    background-color: #fafbfc;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

/* Badges for cards */
.card-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 4px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
    user-select: none;
}

.card-badge.bg-blue {
    background-color: #e1f5fe;
    color: #0f4c81;
}

.card-badge.bg-green {
    background-color: #e8f5e9;
    color: #2e7d32;
}

.card-badge.bg-red {
    background-color: #ffebee;
    color: #c62828;
}

.card-badge.bg-retro {
    background-color: rgba(255, 0, 85, 0.1);
    color: #ff0055;
    border: 1px solid rgba(255, 0, 85, 0.3);
    font-family: 'Press Start 2P', monospace;
    font-size: 7px;
    padding: 5px 6px;
}

.mode-card:hover {
    border-color: var(--color-muni-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.05);
}

.mode-card.active {
    border-color: var(--color-muni-blue);
    background-color: var(--color-muni-blue-selected);
    box-shadow: 0 8px 20px rgba(15, 76, 129, 0.08);
}

/* Estilo retro activo especial para la tarjeta */
#mode-retro.active {
    border-color: #ff0055;
    background-color: rgba(255, 0, 85, 0.03);
    box-shadow: 0 0 15px rgba(255, 0, 85, 0.2);
}

.mode-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #003366;
    display: flex;
    align-items: center;
    gap: 8px;
}

#mode-retro h3 {
    transition: color 0.3s ease;
}

#mode-retro.active h3 {
    color: #ff0055;
}

.mode-card p {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Carousel Nav Buttons */
.carousel-nav-btn {
    background: #ffffff;
    border: 1px solid var(--color-border-soft);
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    color: var(--color-text-dark);
    position: absolute;
    z-index: 10;
    transition: all 0.2s ease;
    user-select: none;
}

.carousel-nav-btn:hover {
    background: var(--color-muni-blue);
    color: #ffffff;
    border-color: var(--color-muni-blue);
}

.prev-btn {
    left: -18px;
}

.next-btn {
    right: -18px;
}

/* Indicators */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
}

.indicator-dot {
    width: 8px;
    height: 8px;
    background-color: #dcdfe6;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

.indicator-dot.active {
    background-color: var(--color-muni-blue);
    width: 20px;
    border-radius: 4px;
}

@media (max-width: 600px) {
    .carousel-nav-btn {
        display: none; /* Ocultar flechas en móvil y usar swipe táctil */
    }
}

.btn-start {
    display: block;
    width: 100%;
    padding: 16px;
    background-color: #003366;
    color: white;
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: 700;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    margin-top: 10px;
}

.btn-start:hover {
    background-color: #002244;
}

.btn-start:active {
    transform: scale(0.99);
}

/* ==========================================================================
   Exam Layout (Cabecera oficial y estructura de doble columna)
   ========================================================================== */
.exam-container {
    display: none; /* Se activa con JS */
    flex-direction: column;
    min-height: 100vh;
    background-color: #f0f2f5;
}

/* Cabecera superior */
.exam-header {
    background-color: #ffffff;
    border-bottom: 1px solid var(--color-border-soft);
    padding: 12px 30px;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #eee;
    padding-bottom: 8px;
    margin-bottom: 8px;
}

.header-title-box {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-gob {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-right: 1px solid #ccc;
    padding-right: 12px;
}

.logo-gob .chile-icon {
    width: 28px;
    height: 18px;
    background: linear-gradient(to right, #003366 33%, white 33%, white 66%, #c62828 66%);
    border: 1px solid #bbb;
}

.header-titles {
    text-align: left;
}

.header-titles h1 {
    font-size: 13px;
    font-weight: 700;
    color: #2c3e50;
    text-transform: uppercase;
}

.header-titles p {
    font-size: 11px;
    color: var(--color-text-muted);
}

.header-right-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

/* Sub-cabecera con datos del postulante */
.postulante-bar {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--color-text-muted);
    background-color: #fafbfc;
    padding: 6px 12px;
    border-radius: 4px;
    border: 1px solid #eef0f2;
}

.postulante-bar span strong {
    color: var(--color-text-dark);
}

/* Main Layout Grid */
.exam-main {
    display: grid;
    grid-template-columns: 1fr 280px;
    flex-grow: 1;
    gap: 1px; /* Para simular línea de división fina */
    background-color: var(--color-border-soft);
}

/* ==========================================================================
   Left Panel: Tarjeta de Pregunta Activa
   ========================================================================== */
.question-panel {
    background-color: #ffffff;
    padding: 30px 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.question-content {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

/* Número de la pregunta en recuadro azul sólido */
.question-number-badge {
    width: 48px;
    height: 48px;
    background-color: var(--color-muni-blue);
    color: white;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    margin-bottom: 25px;
    box-shadow: 0 4px 10px rgba(15, 76, 129, 0.2);
}

/* Soporte de Imágenes */
.question-image-box {
    margin-bottom: 25px;
    text-align: center;
    background-color: #fafbfc;
    border: 1px dashed var(--color-border-soft);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    max-height: 280px;
    overflow: hidden;
}

.question-image-box img {
    max-width: 100%;
    max-height: 240px;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
}

/* Enunciado de la Pregunta */
.question-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 30px;
    text-align: left;
}

.question-text strong {
    font-weight: 700;
    color: #c62828; /* Resaltar NO / FALSA en rojo */
}

/* Tarjeta de información de doble puntaje o multirespuesta */
.question-info-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.pill-double {
    background-color: #ffebee;
    color: #c62828;
}

.pill-multi {
    background-color: #e8f5e9;
    color: #2e7d32;
}

/* Alternativas de respuestas */
.options-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 40px;
}

.option-item {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border-soft);
    border-radius: 8px;
    padding: 18px 24px;
    cursor: pointer;
    background-color: #ffffff;
    transition: all 0.2s ease;
    text-align: left;
}

.option-item:hover {
    border-color: var(--color-muni-blue);
    background-color: #f7faff;
}

.option-item.selected {
    border-color: var(--color-muni-blue);
    background-color: var(--color-muni-blue-selected);
    box-shadow: 0 2px 8px rgba(15, 76, 129, 0.1);
}

/* Letra de la opción (A, B, C, D) */
.option-letter {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-muni-blue);
    width: 24px;
    flex-shrink: 0;
}

/* Control circular o checkbox */
.option-control-box {
    margin-right: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Ocultar input nativo */
.option-control-box input {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--color-muni-blue);
}

.option-text {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-dark);
}

/* Modo de Práctica: Caja de Explicación Directa */
.practice-explanation-box {
    background-color: #eef9ff;
    border-left: 4px solid var(--color-muni-blue);
    padding: 16px 20px;
    border-radius: 0 8px 8px 0;
    margin-bottom: 25px;
    text-align: left;
    display: none; /* Mostrado solo en práctica */
}

.practice-explanation-box h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-muni-blue);
    margin-bottom: 6px;
}

.practice-explanation-box p {
    font-size: 13px;
    color: var(--color-text-dark);
}

/* Barra de navegación de botones */
.navigation-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--color-border-soft);
    padding-top: 25px;
    margin-top: auto;
}

.btn-nav {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border: 2px solid var(--color-success-green);
    background-color: transparent;
    color: var(--color-success-green);
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 700;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: lowercase; /* Mantiene la estética de las fotos "anterior" "siguiente" */
}

.btn-nav:hover:not(:disabled) {
    background-color: var(--color-success-green);
    color: white;
}

.btn-nav:disabled {
    border-color: var(--color-border-soft);
    color: var(--color-text-muted);
    cursor: not-allowed;
}

/* ==========================================================================
   Right Panel: Sidebar de Navegación y Cronómetro
   ========================================================================== */
.sidebar-panel {
    background-color: #f7f9fa;
    padding: 25px 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-left: 1px solid var(--color-border-soft);
}

/* Tiempo Restante Box */
.timer-section {
    margin-bottom: 20px;
}

.timer-section-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: 6px;
    text-align: left;
}

.timer-box {
    background-color: var(--color-timer-bg);
    border: none; /* Sin borde oscuro artificial */
    border-radius: 4px;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.timer-box svg {
    width: 24px;
    height: 24px;
    fill: var(--color-timer-green);
}

.timer-text {
    font-family: var(--font-primary); /* Tipografía limpia idéntica al examen real */
    font-size: 28px;
    font-weight: 700;
    color: var(--color-timer-green);
    letter-spacing: 0.5px;
}

/* F1 Ayuda link */
.ayuda-link {
    display: block;
    text-align: right;
    font-size: 11px;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    cursor: pointer;
    font-weight: 600;
}

/* Question Grid Section */
.grid-section-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 12px;
    text-align: left;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--color-border-soft);
}

.questions-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
    margin-bottom: 25px;
}

.grid-cell {
    aspect-ratio: 1;
    background-color: #ffffff;
    border: 1px solid var(--color-border-soft);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--color-text-dark);
}

.grid-cell:hover {
    border-color: var(--color-muni-blue);
    background-color: #f0f7ff;
}

/* Estado: Pregunta Activa (borde negro grueso) */
.grid-cell.active {
    border: 2px solid #000000 !important;
    background-color: #ffffff !important;
    color: #000000 !important;
    font-weight: 700;
}

/* Estado: Contestada (azul sólido con texto blanco) */
.grid-cell.answered {
    background-color: var(--color-muni-blue);
    color: #ffffff;
    border-color: var(--color-muni-blue);
}

/* Legend Section */
.legend-box {
    background-color: #ffffff;
    border: 1px solid var(--color-border-soft);
    border-radius: 6px;
    padding: 10px 12px;
    margin-bottom: 25px;
    font-size: 11px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
}

.legend-square {
    width: 14px;
    height: 14px;
    border-radius: 2px;
}

.legend-square.answered {
    background-color: var(--color-muni-blue);
}

.legend-square.active {
    border: 1.5px solid #000;
    background-color: #fff;
}

/* Red Finish Button */
.btn-finish {
    width: 100%;
    padding: 14px;
    background-color: var(--color-danger-red);
    color: white;
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 700;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn-finish:hover {
    background-color: var(--color-danger-red-hover);
}

.btn-finish:active {
    transform: scale(0.98);
}

/* ==========================================================================
   Modals (Confirmación y Resultados Finales)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-content {
    background-color: #ffffff;
    border-radius: 10px;
    max-width: 500px;
    width: 100%;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    text-align: center;
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
    color: #003366;
    margin-bottom: 12px;
}

.modal-desc {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 25px;
}

.modal-actions {
    display: flex;
    gap: 12px;
}

.btn-modal {
    flex: 1;
    padding: 12px;
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 700;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-modal-cancel {
    border: 1px solid var(--color-border-soft);
    background-color: #f7f9fa;
    color: var(--color-text-dark);
}

.btn-modal-cancel:hover {
    background-color: #eef0f2;
}

.btn-modal-confirm {
    border: none;
    background-color: var(--color-danger-red);
    color: white;
}

.btn-modal-confirm:hover {
    background-color: var(--color-danger-red-hover);
}

/* ==========================================================================
   Results Overlay (Pantalla de Resultados de Alta Fidelidad)
   ========================================================================== */
.results-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #f0f2f5;
    z-index: 1050;
    overflow-y: auto;
    padding: 40px 20px;
}

.results-card {
    max-width: 800px;
    margin: 0 auto;
    background-color: #ffffff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    border: 1px solid var(--color-border-soft);
    text-align: center;
}

.results-badge {
    display: inline-block;
    font-size: 32px;
    font-weight: 800;
    padding: 12px 40px;
    border-radius: 50px;
    margin-bottom: 25px;
    text-transform: uppercase;
}

.results-badge.aprobado {
    background-color: #e8f5e9;
    color: #2e7d32;
    border: 2px solid #2e7d32;
    box-shadow: 0 0 20px rgba(46, 125, 50, 0.15);
}

.results-badge.reprobado {
    background-color: #ffebee;
    color: #c62828;
    border: 2px solid #c62828;
    box-shadow: 0 0 20px rgba(198, 40, 40, 0.15);
}

.score-text {
    font-size: 20px;
    color: var(--color-text-dark);
    margin-bottom: 12px;
}

.score-number {
    font-size: 64px;
    font-weight: 800;
    color: #003366;
}

.score-details-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin: 30px 0;
    padding: 20px 0;
    border-top: 1px solid var(--color-border-soft);
    border-bottom: 1px solid var(--color-border-soft);
}

.score-detail-item h5 {
    font-size: 12px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-bottom: 6px;
}

.score-detail-item p {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-dark);
}

.results-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.btn-result {
    padding: 14px 28px;
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 700;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-result-restart {
    background-color: #003366;
    color: white;
    border: none;
}

.btn-result-restart:hover {
    background-color: #002244;
}

.btn-result-home {
    background-color: transparent;
    border: 2px solid var(--color-border-soft);
    color: var(--color-text-dark);
}

.btn-result-home:hover {
    background-color: #f7f9fa;
    border-color: var(--color-text-muted);
}

/* Panel de Revisión Detallada de Respuestas */
.review-section {
    margin-top: 40px;
    text-align: left;
}

.review-title {
    font-size: 18px;
    font-weight: 700;
    color: #003366;
    margin-bottom: 20px;
    padding-bottom: 6px;
    border-bottom: 2px solid #003366;
}

.review-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.review-item {
    border: 1px solid var(--color-border-soft);
    border-radius: 8px;
    padding: 24px;
    background-color: #ffffff;
}

.review-item.correct {
    border-left: 5px solid #2e7d32;
}

.review-item.incorrect {
    border-left: 5px solid #c62828;
}

.review-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.review-number {
    font-weight: 700;
    font-size: 14px;
    color: #003366;
    text-transform: uppercase;
}

.review-status {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 4px;
}

.review-status.correct {
    background-color: #e8f5e9;
    color: #2e7d32;
}

.review-status.incorrect {
    background-color: #ffebee;
    color: #c62828;
}

.review-question-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 15px;
}

.review-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 15px;
}

.review-option {
    font-size: 13px;
    padding: 8px 12px;
    border-radius: 4px;
    background-color: #fafbfc;
    border: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.review-option.correct-option {
    background-color: #e8f5e9;
    border-color: #a5d6a7;
    color: #1b5e20;
    font-weight: 600;
}

.review-option.user-selected-wrong {
    background-color: #ffebee;
    border-color: #ef9a9a;
    color: #c62828;
    font-weight: 600;
}

.review-badge {
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 12px;
    font-weight: 700;
    text-transform: uppercase;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
}

.review-badge.badge-correct {
    background-color: #2e7d32;
    color: #ffffff;
}

.review-badge.badge-wrong {
    background-color: #c62828;
    color: #ffffff;
}

.review-badge.badge-omitted {
    background-color: #f9a825;
    color: #ffffff;
}

.review-explanation {
    background-color: #eef9ff;
    border-left: 3px solid var(--color-muni-blue);
    padding: 12px 16px;
    border-radius: 0 4px 4px 0;
    font-size: 13px;
}

.review-explanation strong {
    color: var(--color-muni-blue);
}

/* ==========================================================================
   Media Queries & Responsividad
   ========================================================================== */
@media (max-width: 900px) {
    .exam-main {
        grid-template-columns: 1fr;
    }
    .sidebar-panel {
        border-left: none;
        border-top: 1px solid var(--color-border-soft);
        gap: 20px;
    }
    .questions-grid {
        grid-template-columns: repeat(10, 1fr);
    }
}

@media (max-width: 600px) {
    .welcome-container {
        margin: 20px;
        padding: 20px;
    }
    .mode-selector {
        grid-template-columns: 1fr;
    }
    .questions-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    .results-actions {
        flex-direction: column;
        gap: 10px;
    }
}

/* ==========================================================================
   Retro Sudden Death / Muerte Súbita Mode Scoped Styles
   ========================================================================== */

/* Overlay principal retro */
.retro-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(10, 10, 15, 0.96);
    z-index: 2000;
    overflow-y: auto;
    align-items: center;
    justify-content: center;
    padding: 20px;
    font-family: 'Outfit', sans-serif;
}

.retro-container {
    max-width: 600px;
    width: 100%;
    background-color: #12121e;
    border: 4px solid #ff0055; /* Neon magenta base border */
    box-shadow: 0 0 25px #ff0055, inset 0 0 15px rgba(255, 0, 85, 0.3);
    border-radius: 8px;
    padding: 30px;
    color: #ffffff;
    text-align: center;
    position: relative;
    box-sizing: border-box;
}

/* Estilo verde neón para la victoria */
.retro-container.victory {
    border-color: #39ff14; /* Verde neón */
    box-shadow: 0 0 25px #39ff14, inset 0 0 15px rgba(57, 255, 20, 0.3);
}

.retro-title {
    font-family: 'Press Start 2P', monospace;
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.retro-title.game-over-title {
    color: #ff0055;
    text-shadow: 0 0 10px rgba(255, 0, 85, 0.8);
    animation: retro-blink 1.5s infinite;
}

.retro-title.victory-title {
    color: #39ff14;
    text-shadow: 0 0 10px rgba(57, 255, 20, 0.8);
    animation: retro-blink 1.5s infinite;
}

@keyframes retro-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.retro-image {
    max-width: 100%;
    height: 180px;
    object-fit: contain;
    margin: 15px auto;
    border: 2px solid #5e6d7e;
    background-color: #000000;
    border-radius: 4px;
    display: block;
}

.retro-stat-box {
    background-color: #1a1a2e;
    border: 2px dashed #ff0055;
    padding: 15px;
    border-radius: 6px;
    margin: 20px 0;
    font-family: 'Press Start 2P', monospace;
    font-size: 11px;
    color: #ff9800;
    line-height: 1.8;
}

.retro-container.victory .retro-stat-box {
    border-color: #39ff14;
    color: #39ff14;
}

.retro-review-details {
    text-align: left;
    background-color: #1a1a2e;
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.6;
    border-left: 4px solid #ff0055;
}

.retro-review-details h4 {
    color: #ff0055;
    margin-bottom: 8px;
    font-size: 15px;
    font-weight: 700;
}

.retro-review-details p {
    margin-bottom: 10px;
    color: #e0e0e0;
}

.retro-pedagogical-tip {
    background-color: rgba(255, 152, 0, 0.1);
    border-left: 4px solid #ff9800;
    padding: 12px 15px;
    border-radius: 0 6px 6px 0;
    text-align: left;
    font-size: 13px;
    color: #ffb74d;
    margin-bottom: 25px;
}

.retro-btn-restart {
    font-family: 'Press Start 2P', monospace;
    background-color: #ff0055;
    color: #ffffff;
    border: none;
    padding: 15px 25px;
    font-size: 11px;
    cursor: pointer;
    border-radius: 4px;
    width: 100%;
    box-shadow: 0 4px 0 #990033, 0 8px 15px rgba(255, 0, 85, 0.4);
    transition: all 0.1s ease;
    text-transform: uppercase;
}

.retro-container.victory .retro-btn-restart {
    background-color: #39ff14;
    color: #000000;
    box-shadow: 0 4px 0 #1b9e0c, 0 8px 15px rgba(57, 255, 20, 0.4);
}

.retro-btn-restart:hover {
    transform: translateY(2px);
    box-shadow: 0 2px 0 #990033, 0 4px 8px rgba(255, 0, 85, 0.4);
}

.retro-container.victory .retro-btn-restart:hover {
    box-shadow: 0 2px 0 #1b9e0c, 0 4px 8px rgba(57, 255, 20, 0.4);
}

.retro-btn-restart:active {
    transform: translateY(4px);
    box-shadow: none;
}

/* Retro Mode Sidebar Adjustments */
.retro-active .timer-box {
    background-color: #12121e;
    border: 2px solid #ff9800;
    box-shadow: 0 0 10px rgba(255, 152, 0, 0.5);
}

.retro-active .timer-text {
    font-family: 'Press Start 2P', monospace;
    font-size: 12px;
    color: #ff9800;
}

/* Retro Instructions Screen */
.retro-instructions-container {
    width: 100%;
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    box-sizing: border-box;
}

@keyframes retro-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.03);
    }
}