/* Variables necesarias */
:root {
    --primary-color: rgba(1, 1, 1, 0.9);
    --secondary-color: #ff8c42;
    --accent-color: #4a90e2;
    --success-color: #5cb85c;
    --error-color: #d9534f;
    --warning-color: #f0ad4e;
    --light-color: #f9f9f9;
    --dark-color: #333;
    --white: #ffffff;
    --black: #000000;
    --gray-light: #f0f0f0;
    --gray-medium: #ccc;
    --gray-dark: #777;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 6px 16px rgba(0, 0, 0, 0.15);
}

/* Reset básico */
* {
    font-family: "Poppins", sans-serif;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.6;
    padding-top: 80px;
}

/* Animación para el menú desplegable */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(1, 1, 1, 0.9);
    padding: 0 10%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border-bottom: 2px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.header:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
}

.navigation ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.header .navigation ul li {
    float: left;
    position: relative;
}

.header .navigation ul li a {
    font-size: 16px;
    font-weight: 500;
    color: var(--white);
    text-decoration: none;
    padding: 22px 20px;
    display: block;
    transition: all 0.3s ease;
}

.header .navigation ul li a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    color: var(--black);
}

#toggle,
.header label {
    display: none;
    cursor: pointer;
}

.menu {
    width: 28px;
    height: 28px;
    filter: brightness(0) invert(1);
}

/* Media Queries para responsive */
@media (max-width: 950px) {
    .header label {
        display: initial;
    }

    .header {
        padding: 15px 10%;
    }

    .header .navigation {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-color);
        display: none;
        border-radius: 0 0 12px 12px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }

    .header .navigation ul li {
        width: 100%;
    }

    .header .navigation ul li a {
        padding: 12px 20px;
        font-size: 18px;
    }

    #toggle:checked ~ .navigation {
        display: block;
        animation: slideDown 0.4s ease-out;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 22px;
    }

    .header {
        padding: 12px 5%;
    }
}

/* Estilos generales */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.main-content section {
    padding: 60px 0;
}

h1, h2, h3 {
    color: var(--dark-color);
    margin-bottom: 20px;
}

h1 {
    font-size: 2.8rem;
    text-align: center;
    color: var(--accent-color);
}

h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 40px;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 15px;
}

.subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray-dark);
    margin-bottom: 40px;
}

/* Sección de Introducción */
.intro-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.intro-card {
    background-color: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    max-width: 800px;
    margin: 0 auto;
}

.intro-card h2 {
    text-align: left;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.intro-card h2 i {
    color: var(--secondary-color);
    margin-right: 10px;
}

.example-box {
    background-color: #f0f8ff;
    padding: 20px;
    border-radius: 10px;
    margin: 25px 0;
    border-left: 4px solid var(--accent-color);
}

.example-box h3 {
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.start-button {
    display: inline-block;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    margin-top: 20px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    border: none;
    cursor: pointer;
}

.start-button:hover {
    background-color: #e67e22;
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

/* Sección del Juego */
.game-section {
    background-color: var(--white);
}

.game-description {
    text-align: center;
    font-size: 1.1rem;
    color: var(--gray-dark);
    margin-bottom: 40px;
}

.game-board {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--light-color);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--shadow);
}

/* Panel de Puntuación */
.score-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.score-box {
    background-color: var(--white);
    padding: 15px 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    min-width: 150px;
    text-align: center;
}

.score-label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-dark);
    margin-bottom: 5px;
}

.score-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.progress-box {
    flex: 1;
    min-width: 250px;
}

.progress-label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-dark);
    margin-bottom: 10px;
}

.progress-bar {
    height: 10px;
    background-color: var(--gray-light);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background-color: var(--secondary-color);
    width: 0%;
    transition: width 0.5s ease;
}

.progress-text {
    display: block;
    text-align: center;
    font-weight: 600;
    color: var(--dark-color);
}

/* Área de Pregunta */
.question-area {
    background-color: var(--white);
    border-radius: 10px;
    padding: 25px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--gray-light);
}

.question-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.question-type {
    font-size: 0.9rem;
    background-color: var(--gray-light);
    padding: 5px 15px;
    border-radius: 20px;
    color: var(--dark-color);
}

.question-content {
    margin-bottom: 25px;
}

.instruction {
    font-size: 1.1rem;
    color: var(--gray-dark);
    margin-bottom: 20px;
}

.sentence-box {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.original-sentence {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--dark-color);
    min-height: 60px;
    display: flex;
    align-items: center;
}

.answer-area {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.answer-input {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    flex-wrap: wrap;
    min-height: 50px;
    padding: 10px;
    background-color: #fff;
    border-radius: 6px;
    border: 1px solid var(--gray-light);
}

.answer-input span {
    font-size: 1.2rem;
    white-space: nowrap;
}

.answer-input input {
    padding: 12px 15px;
    font-size: 1.2rem;
    border: 2px solid var(--gray-medium);
    border-radius: 8px;
    min-width: 200px;
    max-width: 300px;
    transition: border-color 0.3s ease;
}

.answer-input input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.hint-button {
    padding: 10px 15px;
    background-color: var(--warning-color);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hint-button:hover {
    background-color: #ec971f;
}

/* Feedback Box */
.feedback-box {
    padding: 15px;
    border-radius: 8px;
    background-color: #e8f4fd;
    border-left: 4px solid var(--accent-color);
    margin-top: 20px;
}

.feedback-box.correct {
    background-color: #d4edda;
    border-left-color: var(--success-color);
}

.feedback-box.incorrect {
    background-color: #f8d7da;
    border-left-color: var(--error-color);
}

.feedback-content {
    display: flex;
    align-items: center;
}

.feedback-content i {
    font-size: 1.5rem;
    margin-right: 15px;
}

.feedback-box.correct .feedback-content i {
    color: var(--success-color);
}

.feedback-box.incorrect .feedback-content i {
    color: var(--error-color);
}

.feedback-box .feedback-content i {
    color: var(--accent-color);
}

/* Botones de Control */
.control-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.control-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.control-btn i {
    font-size: 1.1rem;
}

.check-btn {
    background-color: var(--success-color);
    color: var(--white);
}

.check-btn:hover {
    background-color: #4cae4c;
}

.next-btn {
    background-color: var(--accent-color);
    color: var(--white);
}

.next-btn:hover {
    background-color: #357ae8;
}

.skip-btn {
    background-color: var(--gray-dark);
    color: var(--white);
}

.skip-btn:hover {
    background-color: #5a6268;
}

.control-btn:disabled {
    background-color: var(--gray-medium);
    cursor: not-allowed;
}

/* Botones del Juego */
.game-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.game-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.restart-btn {
    background-color: var(--error-color);
    color: var(--white);
}

.restart-btn:hover {
    background-color: #c9302c;
}

.rules-btn {
    background-color: var(--gray-dark);
    color: var(--white);
}

.rules-btn:hover {
    background-color: #5a6268;
}

/* Sección de Reglas */
.rules-section {
    background-color: #f8f9fa;
}

.rules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.rule-card {
    background-color: var(--white);
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease;
}

.rule-card:hover {
    transform: translateY(-5px);
}

.rule-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.rule-card h3 {
    margin-bottom: 15px;
    color: var(--accent-color);
}

.rule-card p {
    margin-bottom: 15px;
}

.example {
    background-color: #f0f8ff;
    padding: 12px;
    border-radius: 6px;
    font-style: italic;
    margin-top: 15px;
}

.practice-examples {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

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

.example-item {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--secondary-color);
}

/* Sección de Resultados */
.results-section {
    background-color: var(--white);
}

.results-board {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--light-color);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.final-score {
    text-align: center;
    flex: 1;
    min-width: 300px;
}

.score-circle {
    background-color: var(--white);
    width: 200px;
    height: 200px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 20px auto;
    box-shadow: var(--shadow);
    border: 8px solid var(--accent-color);
}

.score-circle span:first-child {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.score-max {
    font-size: 1.5rem;
    color: var(--gray-dark);
}

.score-message {
    font-size: 1.2rem;
    color: var(--gray-dark);
    max-width: 400px;
    margin: 20px auto 0;
}

.results-details {
    flex: 1;
    min-width: 300px;
}

.results-stats {
    background-color: var(--white);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-light);
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--dark-color);
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-color);
}

.results-actions {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.play-again-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex: 1;
    background-color: var(--secondary-color);
    color: var(--white);
}

.play-again-btn:hover {
    background-color: #e67e22;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
}

.footer p {
    margin-bottom: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .score-panel {
        flex-direction: column;
        align-items: stretch;
    }
    
    .score-box, .progress-box {
        width: 100%;
    }
    
    .answer-area {
        flex-direction: column;
        align-items: stretch;
    }
    
    .answer-input input {
        width: 100%;
        max-width: 100%;
    }
    
    .control-buttons {
        flex-direction: column;
    }
    
    .control-btn {
        width: 100%;
    }
    
    .results-board {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .main-content section {
        padding: 40px 0;
    }
    
    .intro-card, .game-board, .results-board {
        padding: 20px;
    }
    
    .answer-input {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .answer-input span {
        margin-bottom: 5px;
    }
}