/* Preferences page styles */
.preferences-container {
    max-width: 800px;
    margin: 0 auto;
}

.preferences-form {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px var(--shadow);
    border: 1px solid var(--border-color);
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
}

.learning-style-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.learning-style-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.25rem 1rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    min-height: 120px;
}

.learning-style-btn:hover {
    border-color: var(--primary-color);
    background: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.learning-style-btn.active {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.learning-style-btn.active .btn-icon,
.learning-style-btn.active .btn-label,
.learning-style-btn.active .btn-desc {
    color: white;
}

.learning-style-btn .btn-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
}

.learning-style-btn .btn-label {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.learning-style-btn .btn-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

.learning-style-btn.active .btn-desc {
    color: rgba(255, 255, 255, 0.9);
}

.form-hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    line-height: 1.5;
}

.custom-instructions-list {
    margin-bottom: 1.5rem;
}

.instruction-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 0.75rem;
    transition: all 0.2s ease;
}

.instruction-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px var(--shadow);
}

.instruction-item:last-child {
    margin-bottom: 0;
}

.instruction-text {
    flex: 1;
    color: var(--text-primary);
    line-height: 1.5;
    word-wrap: break-word;
}

.instruction-delete {
    background: var(--error-color);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.instruction-delete:hover {
    background: #dc2626;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
}

.instruction-delete:active {
    transform: translateY(0);
}

.add-instruction-form {
    margin-top: 1rem;
}

.add-instruction-form textarea {
    width: 100%;
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9375rem;
    resize: vertical;
    transition: border-color 0.2s ease;
}

.add-instruction-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px var(--shadow);
}

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

.empty-instructions {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
    background: var(--bg-secondary);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
}

@media (max-width: 640px) {
    .learning-style-buttons {
        grid-template-columns: 1fr;
    }
}