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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-image: url('background.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    position: relative;
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.4) 0%, rgba(118, 75, 162, 0.4) 100%);
    z-index: -1;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 30px;
}

header {
    text-align: center;
    margin-bottom: 0;
    padding-bottom: 20px;
}

header h1 {
    color: #667eea;
    font-size: 2.5em;
    margin-bottom: 10px;
}

.subtitle {
    color: #666;
    font-size: 1.1em;
}

/* Introduction Section */
.intro-section {
    background: linear-gradient(135deg, #e8f4f8 0%, #f0f8ff 100%);
    padding: 15px 20px;
    margin: 0 0 30px;
    border-radius: 10px;
    border-left: 4px solid #667eea;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
    border-bottom: 3px solid #667eea;
    padding-bottom: 20px;
}

.intro-section p {
    font-size: 0.95em;
    line-height: 1.6;
    color: #555;
    text-align: justify;
    margin: 0;
}

.intro-section p strong {
    color: #667eea;
    font-weight: 600;
}

.questions-container {
    margin: 30px 0;
}

.question-item {
    background: #f8f9fa;
    border-left: 4px solid #667eea;
    padding: 20px;
    margin-bottom: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.question-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.question-number {
    font-weight: bold;
    color: #667eea;
    font-size: 0.9em;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.question-text {
    font-size: 1.2em;
    line-height: 1.8;
    color: #333;
    margin-bottom: 15px;
}

.answer-highlight {
    background: #ffc0cb;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 600;
    color: #c2185b;
    display: inline-block;
    box-shadow: 0 2px 4px rgba(255, 192, 203, 0.5);
}

.audio-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #e0e0e0;
    flex-wrap: wrap;
}

.explanation-text {
    flex: 1;
    font-size: 0.95em;
    color: #666;
    font-style: italic;
    line-height: 1.5;
    min-width: 200px;
}

.play-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    box-shadow: 0 4px 6px rgba(102, 126, 234, 0.3);
}

.play-btn:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(102, 126, 234, 0.4);
}

.play-btn:active {
    transform: translateY(0);
}

.play-btn.playing {
    background: #48bb78;
}

.play-btn.playing:hover {
    background: #38a169;
}

.play-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 30px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.nav-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 6px rgba(102, 126, 234, 0.3);
}

.nav-btn:hover:not(:disabled) {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(102, 126, 234, 0.4);
}

.nav-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
}

#pageInfo, #pageInfoBottom {
    font-size: 1.1em;
    font-weight: 600;
    color: #667eea;
    min-width: 120px;
    text-align: center;
}

/* Info Sections */
.info-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 30px;
    margin: 30px 0;
    border-radius: 12px;
    border-left: 5px solid #667eea;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.section-icon {
    font-size: 3em;
    text-align: center;
    margin-bottom: 15px;
}

.info-section h2 {
    color: #667eea;
    font-size: 1.8em;
    margin-bottom: 20px;
    text-align: center;
}

.info-section p {
    font-size: 1.1em;
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
    text-align: justify;
}

.info-section p:last-child {
    margin-bottom: 0;
}

.info-section strong {
    color: #667eea;
    font-weight: 600;
}

.benefits-list {
    margin: 20px 0;
    padding-left: 30px;
}

.benefits-list li {
    font-size: 1.05em;
    line-height: 1.8;
    color: #555;
    margin-bottom: 12px;
}

.benefits-list li strong {
    color: #667eea;
}

/* Support Section */
.support-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 40px;
    margin: 40px 0 0;
    border-radius: 12px;
    color: white;
    text-align: center;
}

.support-content h2 {
    font-size: 2em;
    margin-bottom: 20px;
    color: white;
}

.support-content p {
    font-size: 1.1em;
    line-height: 1.8;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.95);
}

.support-cta {
    font-size: 1.2em !important;
    font-weight: 600;
    margin: 25px 0 !important;
}

.support-cta strong {
    color: #ffd700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.support-thanks {
    font-size: 1.15em !important;
    margin-top: 20px !important;
    font-weight: 500;
}

.social-share {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid rgba(255, 255, 255, 0.3);
}

.social-share h3 {
    font-size: 1.5em;
    margin-bottom: 20px;
    color: white;
}

.social-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1em;
    transition: all 0.3s;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    color: white;
}

.social-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.social-btn.facebook {
    background: #1877f2;
}

.social-btn.facebook:hover {
    background: #1565c0;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(24, 119, 242, 0.4);
}

.social-btn.instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-btn.instagram:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(188, 24, 136, 0.4);
    opacity: 0.9;
}

.social-btn.tiktok {
    background: #000000;
}

.social-btn.tiktok:hover {
    background: #333333;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
}

@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    header h1 {
        font-size: 2em;
    }

    .question-text {
        font-size: 1.1em;
    }

    .play-btn {
        padding: 10px 20px;
        font-size: 0.9em;
    }

    .explanation-text {
        font-size: 0.85em;
        margin-top: 10px;
        width: 100%;
    }

    .audio-controls {
        flex-direction: column;
        align-items: flex-start;
    }

    .intro-section {
        padding: 12px 15px;
        margin: 15px 0 20px;
    }

    .intro-section p {
        font-size: 0.9em;
        line-height: 1.5;
    }

    .info-section {
        padding: 20px;
    }

    .info-section h2 {
        font-size: 1.5em;
    }

    .info-section p {
        font-size: 1em;
    }

    .support-section {
        padding: 25px 20px;
    }

    .support-content h2 {
        font-size: 1.6em;
    }

    .support-content p {
        font-size: 1em;
    }

    .social-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .social-btn {
        justify-content: center;
    }
}