body {
            background: #000;
            font-family: 'Open Sans', sans-serif;
            color: #fff;
            margin: 0;
            padding: 20px;
            line-height: 1.6;
        }
        .container {
            max-width: 900px;
            margin: 0 auto;
        }
        h1, h2, h3 {
            font-family: 'Bangers', cursive;
            letter-spacing: 1px;
        }
        a {
            color: #ff4a4a;
            text-decoration: none;
        }
        a:hover {
            opacity: 0.8;
        }
        .back-link {
            display: inline-block;
            margin-bottom: 20px;
            color: #ff4a4a;
            text-decoration: none;
        }
        .back-link:hover {
            opacity: 0.8;
        }
        .hero-image {
            max-width: 260px;
            display: block;
            margin: 0 auto 30px auto;
            border-radius: 12px;
        }
        h1 {
            font-family: 'Bangers', cursive;
            font-size: 2.3rem;
            color: #ff4a4a;
            text-align: center;
            margin-bottom: 20px;
        }
        .content-box {
            background: #111;
            border: 2px solid #222;
            padding: 25px;
            border-radius: 12px;
            margin-bottom: 30px;
        }
        .mistake {
            background: #111;
            border: 2px solid #333;
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 25px;
        }
        .mistake-number {
            background: #ff4a4a;
            color: white;
            width: 35px;
            height: 35px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin-bottom: 20px;
            font-family: 'Bangers', cursive;
            font-size: 1.2rem;
        }
        .mistake-section {
            margin-bottom: 15px;
        }
        .mistake-section strong {
            display: block;
            margin-bottom: 8px;
            font-family: 'Bangers', cursive;
            font-size: 1.1rem;
            letter-spacing: 0.5px;
        }
        .wrong {
            color: #ff4a4a;
            background: #2a1111;
            padding: 12px;
            border-radius: 8px;
            font-style: italic;
            border-left: 4px solid #ff4a4a;
        }
        .explanation {
            color: #ccc;
            background: #1a1a1a;
            padding: 12px;
            border-radius: 8px;
            border-left: 4px solid #666;
        }
        .sounds-like {
            color: #ffd500;
            background: #2a2a11;
            padding: 12px;
            border-radius: 8px;
            border-left: 4px solid #ffd500;
        }
        .correct {
            color: #4cd964;
            background: #112a11;
            padding: 12px;
            border-radius: 8px;
            font-weight: 500;
            border-left: 4px solid #4cd964;
        }
        .practice-block {
            background: #111;
            border: 2px solid #ff4a4a;
            border-radius: 12px;
            padding: 25px;
            margin: 30px 0;
        }
        .practice-block h3 {
            color: #ff4a4a;
            margin-top: 0;
            font-family: 'Bangers', cursive;
            font-size: 1.5rem;
        }
        .fix-sentence {
            background: #1a1a1a;
            border: 2px solid #333;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 15px;
        }
        .fix-sentence .incorrect {
            background: #2a1111;
            color: #ff4a4a;
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 15px;
            font-style: italic;
            border-left: 4px solid #ff4a4a;
        }
        .fix-button {
            background: #ff4a4a;
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            font-family: 'Open Sans', sans-serif;
            transition: background 0.3s;
        }
        .fix-button:hover {
            background: #e63946;
        }
        .fix-button:disabled {
            background: #666;
            cursor: not-allowed;
        }
        .answer-reveal {
            margin-top: 15px;
            padding: 15px;
            border-radius: 8px;
            display: none;
        }
        .answer-reveal.show {
            display: block;
        }
        .answer-reveal .correct-answer {
            background: #112a11;
            color: #4cd964;
            padding: 12px;
            border-radius: 6px;
            margin-bottom: 10px;
            border-left: 4px solid #4cd964;
            font-weight: 500;
        }
        .answer-reveal .explanation {
            background: #1a1a1a;
            color: #ccc;
            padding: 12px;
            border-radius: 6px;
            border-left: 4px solid #666;
        }
        .multiple-choice {
            background: #1a1a1a;
            border: 2px solid #333;
            border-radius: 8px;
            padding: 20px;
        }
        .multiple-choice .question-text {
            margin-bottom: 15px;
            font-weight: 600;
        }
        .choice-option {
            background: #222;
            border: 2px solid #444;
            border-radius: 6px;
            padding: 12px;
            margin-bottom: 10px;
            cursor: pointer;
            transition: all 0.3s;
        }
        .choice-option:hover {
            border-color: #ff4a4a;
            background: #2a1111;
        }
        .choice-option.correct {
            background: #112a11;
            border-color: #4cd964;
            color: #4cd964;
        }
        .choice-option.incorrect {
            background: #2a1111;
            border-color: #ff4a4a;
            color: #ff4a4a;
        }
        .choice-option.disabled {
            cursor: not-allowed;
            opacity: 0.6;
        }
        .choice-feedback {
            margin-top: 15px;
            padding: 12px;
            border-radius: 6px;
            display: none;
        }
        .choice-feedback.show {
            display: block;
        }
        .choice-feedback.correct {
            background: #112a11;
            color: #4cd964;
            border-left: 4px solid #4cd964;
        }
        .choice-feedback.incorrect {
            background: #2a1111;
            color: #ff4a4a;
            border-left: 4px solid #ff4a4a;
        }
        .cta-section {
            background: #111;
            border: 2px solid #ff4a4a;
            color: white;
            padding: 25px;
            border-radius: 12px;
            text-align: center;
            margin-top: 30px;
        }
        .cta-section h2 {
            margin-top: 0;
            color: #ff4a4a;
            font-family: 'Bangers', cursive;
        }
        .cta-link {
            display: inline-block;
            background: #ff4a4a;
            color: white;
            padding: 12px 24px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: bold;
            margin-top: 15px;
        }
        .cta-link:hover {
            background: #e63946;
            color: white;
        }
        
        @media(max-width:600px){
            body { font-size: 1.05rem; }
            .content-box, .mistake, .exercise { padding: 18px; }
            h1 { font-size: 1.8rem !important; }
            .container { padding: 0 10px; }
        }

/* Index page overrides */
.index-page .container {
    max-width: 800px;
}
.index-page h1 {
    font-family: 'Bangers', cursive;
    color: #ff4a4a;
    text-align: center;
    margin-bottom: 30px;
    font-size: 2.5rem;
    letter-spacing: 1px;
}
.index-page .intro {
    background: #111;
    border: 2px solid #222;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 30px;
    text-align: center;
}
.index-page .intro p {
    font-size: 1.1rem;
    margin-bottom: 15px;
}
.index-page .intro p:first-child {
    font-weight: 600;
    color: #ff4a4a;
}
.index-page .cta-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 10px;
}
.index-page .cta-link.secondary {
    background: transparent;
    border: 2px solid #ff4a4a;
    color: #ff4a4a;
}
.index-page .cta-link.secondary:hover {
    background: #1a1a1a;
    color: #ff4a4a;
}
.index-page .countries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}
.index-page .country-link {
    display: block;
    padding: 20px;
    background: #111;
    border: 2px solid #333;
    border-radius: 12px;
    text-decoration: none;
    color: #fff;
    text-align: center;
    transition: all 0.3s ease;
}
.index-page .country-link:hover {
    border-color: #ff4a4a;
    background: #1a1a1a;
    color: #fff;
}
.index-page .country-flag {
    font-size: 28px;
    margin-bottom: 12px;
}
.index-page .country-link strong {
    font-family: 'Bangers', cursive;
    font-size: 1.2rem;
    letter-spacing: 0.5px;
    color: #ff4a4a;
}
.index-page .country-link small {
    display: block;
    margin-top: 8px;
    color: #888;
    font-style: italic;
}
.index-page .coming-soon {
    opacity: 0.6;
    cursor: not-allowed;
}
.index-page .coming-soon:hover {
    border-color: #333;
    background: #111;
}
.index-page .coming-soon strong {
    color: #888;
}

@media(max-width:600px){
    .index-page .intro { padding: 18px; }
    .index-page h1 { font-size: 2rem !important; }
    .index-page .container { padding: 0 10px; }
    .index-page .countries-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; }
    .index-page .country-link { padding: 15px; }
}


.flag-fallback {
    font-size: 12px;
    letter-spacing: 0.5px;
    margin-left: 6px;
    color: #888;
}