/* Variables de colores y estilos */
:root {
    --pastel-orange: #ffd8a6;
    --pastel-orange-dark: #ffc285;
    --pastel-brown: #d7ccc8;
    --pastel-brown-dark: #bcaaa4;
    --pastel-brown-ultra-dark: #21140c;
    --pastel-green: #c8e6c9;
    --pastel-green-dark: #a5d6a7;
    --pastel-green-light: #e8f5e9;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

/* Fuentes para caracteres chinos */
.chinese-character.noto-serif,
.option-chinese.noto-serif,
.word-character.noto-serif {
    font-family: 'Noto Serif SC', serif;
}

.chinese-character.noto-sans,
.option-chinese.noto-sans,
.word-character.noto-sans {
    font-family: 'Noto Sans SC', sans-serif;
}

.chinese-character.simsun,
.option-chinese.simsun,
.word-character.simsun {
    font-family: 'SimSun', '宋体', serif;
}

.chinese-character.kaiti,
.option-chinese.kaiti,
.word-character.kaiti {
    font-family: 'KaiTi', '楷体', serif;
}

.chinese-character.heiti,
.option-chinese.heiti,
.word-character.heiti {
    font-family: 'HeiTi', '黑体', 'Microsoft YaHei', sans-serif;
}

.chinese-character.fangsong,
.option-chinese.fangsong,
.word-character.fangsong {
    font-family: 'FangSong', '仿宋', serif;
}

/* Fuente por defecto (mantener la existente) */
.chinese-character,
.option-chinese,
.word-character {
    font-family: 'Noto Serif SC', serif;
    font-weight: 700;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--pastel-green-light);
    color: #5d4037;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Header */
#header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: var(--pastel-brown);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: var(--transition);
}

.header-left:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

#logo {
    font-size: 2rem;
    margin-right: 0.5rem;
}

#app-title {
    font-size: 1.5rem;
    color: #5d4037;
}

.header-right {
    display: flex;
    align-items: center;
}

.icon-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
}

.icon-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

#game-stats {
    display: flex;
    gap: 0.5rem;
    font-size: 1rem;
}

/* Main content */
#main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem;
}

.screen {
    display: none;
    flex: 1;
}

.screen.active {
    display: flex;
    flex-direction: column;
}

/* Pantalla de Menú */
.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 500px;
    margin: auto;
}

.menu-btn {
    display: flex;
    align-items: center;
    padding: 1rem;
    background-color: var(--pastel-orange);
    border: none;
    border-radius: 12px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
    color: #5d4037;
}

.menu-btn:hover {
    background-color: var(--pastel-orange-dark);
    transform: translateY(-2px);
}

.menu-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
}

/* Pantallas popup (Listados, Configuración, Estadísticas) */
.popup-content {
    background-color: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 600px;
    margin: auto;
}

.popup-content h2 {
    margin-bottom: 1.5rem;
    text-align: center;
    color: #5d4037;
}

.popup-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn {
    padding: 0.5rem 1rem;
    background-color: var(--pastel-green);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    color: #5d4037;
    box-shadow: var(--shadow);
}

.btn:hover {
    background-color: var(--pastel-green-dark);
}

/* Listados de vocabulario */
.lists-container {
    display: grid;
    gap: 0.5rem;
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 1rem;
}

.vocab-list-btn {
    padding: 0.75rem;
    background-color: var(--pastel-orange);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.vocab-list-btn:hover {
    background-color: var(--pastel-orange-dark);
}

/* Configuración */
/* Settings compactas - Corregidas para alinear a la izquierda */
.setting-group {
    display: flex;
    align-items: center;
    justify-content: flex-start;  
    margin-bottom: 12px;
    padding: 10px 15px;
    background: var(--pastel-orange);
    border-radius: 12px;
    gap: 15px;
    min-height: 50px;
}

.setting-group label {
    flex: 0 0 auto; /* ← CAMBIAR: Ancho automático según contenido */
    font-weight: 600;
    color: #5d4037;
    font-size: 14px;
    margin: 0;
    text-align: left;
    white-space: nowrap; /* Evitar que el texto se divida en varias líneas */
}

/* Select compacto - Corregido */
.setting-group select {
    flex: 0 1 auto; /* ← CAMBIAR: Ancho automático */
    padding: 8px 12px;
    border: 2px solid var(--pastel-orange);
    border-radius: 8px;
    background: white;
    font-size: 14px;
    min-width: 120px; /* Ancho mínimo para selects */
}

/* Select compacto */
.setting-group select {
    flex: 1;
    padding: 8px 12px;
    border: 2px solid var(--pastel-orange);
    border-radius: 8px;
    background: white;
    font-size: 14px;
    max-width: 200px;
}

/* Emoji de dificultad */
#difficulty-emoji {
    font-size: 18px;
    width: 30px;
    text-align: center;
}

/* Botones compactos */
.popup-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
    flex-wrap: wrap;
}

.popup-buttons .btn {
    flex: 1;
    min-width: 120px;
    max-width: 250px;
    padding: 10px 15px;
    font-size: 14px;
}

/* Ajustes responsivos */
@media (max-width: 768px) {
    .setting-group {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        text-align: center;
    }
    
    .setting-group label {
        flex: none;
        text-align: center;
    }
    
    .slider-container {
        justify-content: center;
    }
    
    .setting-group select {
        max-width: none;
    }
    
    .popup-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .popup-buttons .btn {
        max-width: 200px;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .setting-group {
        padding: 8px 12px;
    }
    
    .setting-group label {
        font-size: 13px;
    }
    
    .slider-container input[type="range"] {
        margin: 0 10px;
    }
    
    .slider-value {
        font-size: 12px;
        padding: 3px 6px;
    }
}

/* Estadísticas */
.stats-container {
    margin-bottom: 1.5rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--pastel-brown);
}

.stat-label {
    font-weight: 500;
}

.stat-value {
    font-weight: bold;
    color: #5d4037;
}

/* Pantalla de Juego */
.game-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: space-between;
}

#question-container {
    text-align: center;
    margin-bottom: 2rem;
}

.question-text {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #5d4037;
    font-weight: bold;
}

.timer-bar {
    width: 100%;
    height: 10px;
    background-color: var(--pastel-brown);
    border-radius: 5px;
    overflow: hidden;
}

.timer-progress {
    height: 100%;
    background-color: var(--pastel-orange);
    width: 100%;
    transition: width 1s linear;
}

.options-container {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr 1fr;
}

/* Estilos mejorados para respuestas */
.option-btn {
    padding: 1.2rem;
    background-color: var(--pastel-green);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.6rem;
    color: #5d4037;
    box-shadow: var(--shadow);
    border: 3px solid transparent;
}

/* Hover solo para botones normales (sin feedback) */
.option-btn:hover:not(.correct):not(.incorrect):not(.correct-answer):not(:disabled) {
    background-color: var(--pastel-green-dark);
    transform: translateY(-2px);
}

/* Los botones deshabilitados no deben tener efectos hover */
.option-btn:disabled:hover {
    background-color: inherit;
    transform: none;
    cursor: not-allowed;
}

/* Estilos de feedback - estos deben tener prioridad */
.option-btn.correct {
    background-color: #4caf50;
    color: white;
    border-color: #2e7d32;
    animation: pulse-green 0.6s;
}

.option-btn.incorrect {
    background-color: #f44336;
    color: white;
    border-color: #c62828;
    animation: shake 0.5s;
}

.option-btn.correct-answer {
    background-color: #ffeb3b;
    color: #5d4037;
    border-color: #fbc02d;
    animation: pulse-yellow 0.6s;
}

/* Animaciones mejoradas */
@keyframes pulse-green {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes pulse-yellow {
    0%, 100% { 
        transform: scale(1);
        background-color: #ffeb3b;
    }
    50% { 
        transform: scale(1.05);
        background-color: #fff176;
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Efecto de deshabilitar botones después de responder */
.option-btn:disabled {
    cursor: not-allowed;
    opacity: 0.9;
}

.option-btn:disabled:hover {
    transform: none;
}

/* Mayor especificidad para los colores de feedback */
button.option-btn.correct:disabled {
    background-color: #4caf50;
    color: white;
    border-color: #2e7d32;
}

button.option-btn.incorrect:disabled {
    background-color: #f44336;
    color: white;
    border-color: #c62828;
}

button.option-btn.correct-answer:disabled {
    background-color: #ffeb3b;
    color: #5d4037;
    border-color: #fbc02d;
}

/* Footer */
#footer {
    text-align: center;
    padding: 1rem;
    background-color: var(--pastel-brown);
    color: #5d4037;
    font-size: 0.9rem;
}

/* Toast */
.toast {
    position: fixed;
    top: 80px; /* 80px desde la parte superior */
    left: 20px; /* 20px desde la izquierda */
    transform: none; /* Eliminar transform anterior */
    padding: 0.7rem 1.4rem;
    background-color: var(--pastel-brown-ultra-dark); /* Usar la variable para todos */
    color: var(--pastel-orange);
    border-radius: 8px;
    box-shadow: var(--shadow);
    z-index: 1000;
    font-weight: bold;
    font-size: 0.9rem;
    max-width: 80%;
    text-align: center;
}

.toast.hidden {
    display: none;
}

/* Utilidades */
.hidden {
    display: none !important;
}

/* Responsive para móviles */
@media (max-width: 768px) {
    #header {
        padding: 0.75rem;
    }
    
    #app-title {
        font-size: 1.2rem;
    }
    
    .menu-btn {
        font-size: 1rem;
        padding: 0.75rem;
    }
    
    .menu-icon {
        font-size: 1.2rem;
        margin-right: 0.75rem;
    }
    
    .popup-content {
        padding: 1rem;
        margin: 1rem;
    }
    
    .question-text {
        font-size: 2rem;
    }
    
    .options-container {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .option-btn {
        padding: 1rem;
        font-size: 1rem;
    }
    
    #footer {
        font-size: 0.8rem;
        padding: 0.75rem;
    }
}

/* Responsive para pantallas altas (más altura que anchura) */
@media (max-height: 700px) and (min-width: 769px) {
    .menu-buttons {
        max-width: 400px;
    }
    
    .menu-btn {
        padding: 0.75rem;
    }
    
    .question-text {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .options-container {
        gap: 0.75rem;
    }
    
    .option-btn {
        padding: 1rem;
    }
}

/* Responsive para pantallas anchas (más anchura que altura) */
@media (min-width: 769px) and (min-height: 701px) {
    .options-container {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 0.8rem;
    }
}

/* Añadir al final del archivo CSS */
.lists-container p {
    text-align: center;
    padding: 2rem;
    color: #3b2517;
    font-style: italic;
}

.vocab-list-btn {
    padding: 0.5rem;
    background-color: var(--pastel-orange);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    margin-bottom: 0.5rem;
    width: 100%;
}

.vocab-list-btn:hover {
    background-color: var(--pastel-orange-dark);
    transform: translateY(-2px);
}

/* Mejorar la visibilidad del contenedor de listados */
.lists-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 1rem;
    padding: 0.5rem;
    border: 1px solid var(--pastel-brown);
    border-radius: 8px;
    background-color: var(--pastel-brown);
}

/* Estilos para la pantalla de palabras - Una sola línea */
.words-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--pastel-brown);
}

.words-count {
    font-weight: bold;
    color: #5d4037;
    font-size: 1.1rem;
}

.words-container {
    max-height: 60vh;
    overflow-y: auto;
    padding: 0.4rem;
    border: 1px solid var(--pastel-brown);
    border-radius: 8px;
    background-color: var(--pastel-green-light);
}

.word-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.5rem;
    margin-bottom: 0.4rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    gap: 1rem;
}

.word-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.word-chinese {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex: 1;
}

.word-character {
    font-size: 1.8rem;
    font-weight: bold;
    color: #5d4037;
    min-width: 6rem;
    text-align: center;
}

.word-pinyin {
    font-size: 1rem;
    color: #795548;
    min-width: 6rem;
}

.word-translation {
    font-size: 0.8rem;
    color: #5d4037;
    font-weight: 500;
    text-align: right;
    flex: 1;
}

/* Responsive para móviles */
@media (max-width: 768px) {
    .word-item {
        padding: 0.5rem 0.75rem;
        gap: 0.5rem;
    }
    
    .word-chinese {
        gap: 0.5rem;
    }
    
    .word-character {
        font-size: 1.3rem;
        min-width: 2.5rem;
    }
    
    .word-pinyin {
        font-size: 0.8rem;
        min-width: 5rem;
    }
    
    .word-translation {
        font-size: 0.9rem;
    }
    
    .words-header {
        flex-direction: column;
        gap: 0.5rem;
        align-items: stretch;
    }
    
    .words-header .btn {
        align-self: flex-end;
    }
}

/* Para pantallas muy pequeñas */
@media (max-width: 480px) {
    .word-pinyin {
        display: none; /* Ocultar pinyin en pantallas muy pequeñas */
    }
    
    .word-chinese {
        gap: 0.25rem;
    }
}

/* Estilos para la configuración mejorada */
.slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
}

.slider-value {
    min-width: 3rem;
    font-weight: bold;
    color: #5d4037;
}

.switch-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Switch personalizado */
.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--pastel-brown);
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--pastel-brown-ultra-dark);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Estilo para pinyin en preguntas */
.question-text small {
    font-size: 0.7em;
    color: #795548;
    font-style: italic;
    margin-top: 0.5rem;
    display: block;
}

/* Estilos para el juego con caracteres chinos */
.chinese-character {
    font-size: 3rem;
    font-weight: bold;
    color: #5d4037;
    margin-bottom: 0.5rem;
}

.pinyin-text {
    font-size: 1.2rem;
    color: #795548;
    font-style: italic;
}

.translation-text {
    font-size: 2.5rem;
    color: #5d4037;
    font-weight: bold;
}

/* Estilos para opciones en chino */
.option-chinese {
    font-size: 2.8rem;
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.option-pinyin {
    font-size: 1.2rem;
    color: #795548;
    /*font-style: italic;*/
}

/* Responsive para móviles */
@media (max-width: 768px) {
    .chinese-character {
        font-size: 2.5rem;
    }
    
    .pinyin-text {
        font-size: 1rem;
    }
    
    .translation-text {
        font-size: 2rem;
    }
    
    .option-chinese {
        font-size: 1.8rem;
    }
    
    .option-pinyin {
        font-size: 0.7rem;
    }
}

/* Vista previa de fuente */
.font-preview {
    font-size: 1.8rem;
    font-weight: bold;
    color: #5d4037;
    min-width: 180px;
    text-align: center;
    padding: 8px 12px;
    background-color: white;
    border: 2px solid var(--pastel-orange);
    border-radius: 8px;
    margin-left: 10px;
}

/* Aplicar fuentes a la vista previa */
.font-preview.noto-serif {
    font-family: 'Noto Serif SC', serif;
}

.font-preview.noto-sans {
    font-family: 'Noto Sans SC', sans-serif;
}

.font-preview.simsun {
    font-family: 'SimSun', '宋体', serif;
}

.font-preview.kaiti {
    font-family: 'KaiTi', '楷体', serif;
}

.font-preview.heiti {
    font-family: 'HeiTi', '黑体', 'Microsoft YaHei', sans-serif;
}

.font-preview.fangsong {
    font-family: 'FangSong', '仿宋', serif;
}

/* Ajuste responsive para la vista previa */
@media (max-width: 768px) {
    .font-preview {
        font-size: 1.5rem;
        min-width: 150px;
        margin-left: 0;
        margin-top: 5px;
    }
    
    .setting-group {
        align-items: center;
    }
}

/* Estilos para botones de filtro */
.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1rem;
    padding: 0.5rem;
    background-color: var(--pastel-brown);
    border-radius: 12px;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 2px solid var(--pastel-brown-dark);
    border-radius: 20px;
    background-color: var(--pastel-orange);
    color: #5d4037;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: bold;
}

.filter-btn:hover {
    background-color: var(--pastel-orange-dark);
    transform: translateY(-2px);
}

.filter-btn.active {
    background-color: var(--pastel-brown-dark);
    color: white;
}

/* Contenedor para listas filtradas */
.lists-content {
    max-height: 350px;
    overflow-y: auto;
    padding: 0.5rem;
    border: 1px solid var(--pastel-brown);
    border-radius: 8px;
    background-color: var(--pastel-brown);
}

/* Responsive para botones de filtro */
@media (max-width: 768px) {
    .filter-buttons {
        gap: 0.3rem;
    }
    
    .filter-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}

/* Añadir estilos para las opciones de emoji */
.emoji-option {
    font-size: 4rem;
    text-align: center;
}

/* Ajustar tamaño de caracteres chinos para game4 */
#game-screen .chinese-character {
    font-size: 4rem !important;
}

/* Efecto 3D para imágenes PNG transparentes en Game4 */
#game-screen .option-btn img {
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3)) 
            drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    transform: translateY(0);
    transition: transform 0.2s ease, filter 0.2s ease;
}

/* Efecto hover para acentuar el 3D */
#game-screen .option-btn:not(:disabled):hover img {
    transform: translateY(-2px);
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.4)) 
            drop-shadow(0 3px 6px rgba(0, 0, 0, 0.3));
}

/* POPUP resultados del juego */
.results-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.results-content {
    background: linear-gradient(135deg, var(--pastel-orange), var(--pastel-green));
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    text-align: center;
    max-width: 500px;
    width: 90%;
    border: 4px solid #5d4037;
}

.results-title {
    font-size: 2rem;
    color: #5d4037;
    margin-bottom: 1rem;
    font-weight: bold;
}

.results-message {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: bold;
}

.results-stats {
    background: white;
    padding: 0.5rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    border: 2px solid var(--pastel-brown);
    min-height: 200px;  
    display: flex;
    flex-direction: column;
}

.results-score {
    font-size: 1rem;
    color: #5d4037;
    margin-bottom: 0.5rem;
}

.results-missed {
    font-size: 1rem;
    color: #795548;
    max-height: 250px;
    overflow-y: auto;
    text-align: left;
    padding: 0.5rem;
    flex: 1;
}

.missed-word {
    padding: 0.3rem;
    border-bottom: 1px solid var(--pastel-brown);
    display: flex;
    justify-content: space-between;
}

.results-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.results-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    min-width: 140px;
}

.results-btn.play-again {
    background: var(--pastel-green);
    color: #5d4037;
}

.results-btn.back-menu {
    background: var(--pastel-orange);
    color: #5d4037;
}

.results-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}