/* === German App Theme === */

/* Override CSS variables with German theme */
:root {
    --primary: var(--german-primary);
    --secondary: var(--german-secondary);
    --tertiary: var(--german-tertiary);
}

/* App-specific German theme */
body {
    background: linear-gradient(135deg, #F5F0FF 0%, #E8F5E9 100%);
}

body::before {
    background: var(--german-primary);
}

body::after {
    background: var(--german-secondary);
}

h1 {
    color: var(--german-primary);
    text-shadow: 3px 3px 0px var(--german-secondary);
}

.card {
    border-color: var(--german-primary);
    box-shadow: 0 8px 32px rgba(155, 89, 182, 0.15);
}

.card::before {
    content: '📚';
}

select, input[type="number"] {
    border-color: var(--german-secondary);
}

select:focus, input:focus {
    border-color: var(--german-primary);
    box-shadow: 0 0 0 4px rgba(155, 89, 182, 0.1);
}

.btn-back {
    color: var(--german-primary);
    border-color: var(--german-primary);
    box-shadow: 0 4px 15px rgba(155, 89, 182, 0.2);
}

.btn-back:hover {
    background: var(--german-primary);
    box-shadow: 0 6px 20px rgba(155, 89, 182, 0.3);
}

button {
    background: linear-gradient(135deg, var(--german-primary), #C39BD3);
    box-shadow: 0 4px 15px rgba(155, 89, 182, 0.4);
}

button:hover {
    box-shadow: 0 6px 25px rgba(155, 89, 182, 0.5);
}

.preview-header {
    border-bottom-color: var(--german-secondary);
}

.preview-title {
    color: var(--german-primary);
}

.task-item {
    border-color: var(--german-secondary);
}

.syllable-btn {
    border-color: var(--german-secondary);
}

.syllable-btn:hover {
    border-color: var(--german-primary);
}

.syllable-btn.correct {
    border-color: var(--success);
}

.syllable-btn.incorrect {
    border-color: var(--german-tertiary);
}

.milestone-celebration {
    background: linear-gradient(135deg, var(--german-primary), var(--german-secondary));
}

footer a {
    color: var(--german-primary);
}

/* === Deutsch-specific styles === */
.task-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.emoji-display {
    font-size: 8rem;
    margin: 1rem 0 2rem 0;
    animation: bounceIn 0.6s ease-out;
    text-align: center;
}

/* AI-generated word images */
.word-image {
    width: 200px;
    height: 200px;
    object-fit: contain;
    border-radius: 16px;
    background: white;
    padding: 1rem;
    box-shadow: 0 4px 20px rgba(155, 89, 182, 0.15);
    animation: bounceIn 0.6s ease-out;
}

@media (max-width: 768px) {
    .word-image {
        width: 150px;
        height: 150px;
    }
}

.syllable-options {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.syllable-btn {
    padding: 1.25rem 2rem;
    border: 3px solid var(--german-secondary);
    border-radius: 16px;
    font-size: 1.8rem;
    font-weight: 700;
    font-family: 'Fredoka', sans-serif;
    background: white;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
}

.syllable-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 20px rgba(52, 152, 219, 0.3);
    border-color: var(--german-primary);
}

.syllable-btn.correct {
    background: linear-gradient(135deg, #D5F4E6 0%, #ABEBC6 100%);
    border-color: var(--success);
    animation: celebrate 0.6s ease-in-out;
}

.syllable-btn.incorrect {
    background: linear-gradient(135deg, #FADBD8 0%, #F5B7B1 100%);
    border-color: var(--german-tertiary);
    animation: shake 0.5s ease-in-out;
}

@media (max-width: 768px) {
    .emoji-display {
        font-size: 6rem;
    }

    .syllable-btn {
        font-size: 1.5rem;
        padding: 1rem 1.5rem;
        min-width: 100px;
    }
}

/* Milestone celebration */
.milestone-celebration {
    background: linear-gradient(135deg, var(--german-primary), var(--german-secondary));
}

/* === Buchstaben-Trainer Styles === */
.letter-display {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin: 2rem auto 3rem auto;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(155,89,182,0.1), rgba(52,152,219,0.1));
    border-radius: 20px;
    max-width: 300px;
}

.letter-large,
.letter-small {
    font-family: 'Fredoka', sans-serif;
    font-weight: 700;
    color: var(--german-primary);
    text-align: center;
}

.letter-large {
    font-size: 5rem;
    line-height: 1;
}

.letter-small {
    font-size: 3.5rem;
    line-height: 1;
    opacity: 0.8;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 0 auto;
    max-width: 700px;
    justify-items: center;
}

.image-item {
    position: relative;
    background: white;
    border: 3px solid transparent;
    border-radius: 20px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    user-select: none;
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-item:hover:not(.correct):not(.incorrect) {
    border-color: var(--german-primary);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 20px rgba(155,89,182,0.3);
}

.image-emoji {
    font-size: 5rem;
    line-height: 1;
}

.image-checkbox {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    width: 32px;
    height: 32px;
    border: 3px solid var(--german-primary);
    border-radius: 50%;
    background: white;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.image-item.correct {
    border-color: var(--success);
    background: linear-gradient(135deg, rgba(46,204,113,0.1), rgba(39,174,96,0.1));
    animation: bounceIn 0.5s ease-out;
    pointer-events: none;
}

.image-item.correct .image-checkbox {
    display: flex;
    background: var(--success);
    border-color: var(--success);
}

.image-item.correct .image-checkbox::after {
    content: '✓';
    color: white;
}

.image-item.incorrect {
    border-color: #E74C3C;
    background: linear-gradient(135deg, rgba(231,76,60,0.1), rgba(192,57,43,0.1));
    animation: shake 0.5s ease-out;
    pointer-events: none;
}

.image-item.incorrect .image-checkbox {
    display: flex;
    background: #E74C3C;
    border-color: #E74C3C;
}

.image-item.incorrect .image-checkbox::after {
    content: '✗';
    color: white;
}

.task-counter {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--german-primary);
}

/* Mobile Responsiveness for Buchstaben-Trainer */
@media (max-width: 768px) {
    .letter-display {
        gap: 1rem;
        padding: 1.5rem;
        max-width: 250px;
    }

    .letter-large {
        font-size: 4rem;
    }

    .letter-small {
        font-size: 3rem;
    }

    .image-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .image-item {
        width: 120px;
        height: 120px;
    }

    .image-emoji {
        font-size: 4rem;
    }
}

@media (max-width: 480px) {
    .letter-large {
        font-size: 3rem;
    }

    .letter-small {
        font-size: 2rem;
    }

    .image-grid {
        gap: 0.75rem;
    }

    .image-item {
        width: 100px;
        height: 100px;
        padding: 1rem;
    }

    .image-emoji {
        font-size: 3.5rem;
    }

    .image-checkbox {
        width: 28px;
        height: 28px;
        font-size: 1.2rem;
    }
}