/* Language Learning Styles */
.tool-header {
    margin-bottom: 30px;
}

.breadcrumb {
    margin-bottom: 20px;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.tool-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 800px;
    line-height: 1.6;
}

.language-setup {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.setup-section {
    background: var(--surface);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.setup-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.language-card {
    background: var(--background);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.language-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.language-flag {
    font-size: 3rem;
    margin-bottom: 10px;
    display: block;
}

.language-card h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.language-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.level-options {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.level-card {
    background: var(--background);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.level-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.level-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}

.level-card h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.level-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Conversation Area */
.conversation-area {
    background: var(--surface);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 40px;
}

.conversation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 15px;
}

.language-info h3 {
    font-size: 1.4rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.session-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.level-badge {
    background: var(--success-color);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.session-streak {
    background: var(--warning-color);
    color: white;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.conversation-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.conversation-display {
    background: var(--background);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
    min-height: 300px;
    max-height: 500px;
    overflow-y: auto;
}

.welcome-message {
    margin-bottom: 20px;
}

.message {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 12px;
    max-width: 80%;
}

.ai-message {
    background: var(--primary-color);
    color: white;
    margin-right: auto;
}

.user-message {
    background: var(--success-color);
    color: white;
    margin-left: auto;
    flex-direction: row-reverse;
}

.message-avatar {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    flex-shrink: 0;
}

.message-content {
    flex: 1;
}

.message-sender {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.message-text {
    line-height: 1.5;
}

.user-input-area {
    background: var(--background);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.input-container {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

#userInput {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    min-height: 60px;
    background: var(--surface);
    color: var(--text-primary);
}

#userInput:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.input-hints {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
}

/* Translation Display */
.translation-display {
    background: var(--background);
    border-radius: 8px;
    padding: 15px;
    border: 1px solid var(--border-color);
    margin-top: 15px;
}

.translation-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.original-text, .translated-text {
    padding: 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.original-text {
    background: var(--surface);
    border-left: 3px solid var(--error-color);
}

.translated-text {
    background: var(--surface);
    border-left: 3px solid var(--success-color);
}

/* Vocabulary Section */
.vocabulary-section {
    background: var(--surface);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 40px;
}

.vocabulary-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.vocab-exercise {
    background: var(--background);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.exercise-prompt {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.exercise-input {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

#vocabAnswer {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text-primary);
    font-size: 1rem;
    width: 200px;
}

/* Educational Info */
.educational-info {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid var(--border-color);
}

.educational-info h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.tip-card {
    background: var(--surface);
    border-radius: 8px;
    padding: 20px;
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.tip-card h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tip-card p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .language-setup {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .conversation-header {
        flex-direction: column;
        align-items: stretch;
    }

    .session-info {
        justify-content: center;
    }

    .conversation-controls {
        justify-content: center;
    }

    .input-container {
        flex-direction: column;
    }

    .input-buttons {
        justify-content: center;
    }

    .translation-content {
        grid-template-columns: 1fr;
    }

    .exercise-input {
        flex-direction: column;
        align-items: center;
    }

    .tips-grid {
        grid-template-columns: 1fr;
    }
}