* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 1rem auto;
    padding: 0.75rem;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Control panel for more compact layout */
.control-panel {
    margin-bottom: 1rem;
    background-color: #f5f5f5;
    border-radius: 6px;
    padding: 0.75rem;
    border: 1px solid #ddd;
}

.control-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.language-inline-selector {
    display: flex;
    align-items: center;
    margin: 0 0.5rem;
    flex-grow: 1;
}

.language-inline-selector select {
    padding: 0.4rem;
    border-radius: 4px;
    border: 1px solid #ccc;
    background-color: white;
    font-size: 0.9rem;
    min-width: 100px;
}

.language-inline-selector .direction-arrow {
    margin: 0 0.5rem;
    font-size: 1.1rem;
    color: #3498db;
}

/* Hide original title */
h1 {
    display: none;
}

.language-selector {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.language-selector-container {
    display: flex;
    align-items: center;
    background-color: #f5f5f5;
    padding: 1rem 1.5rem;
    border-radius: 6px;
    border: 1px solid #ddd;
    max-width: 600px;
    width: 100%;
}

.language-select-group {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.language-select-group label {
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: #2c3e50;
}

.language-select-group select {
    padding: 0.5rem;
    border-radius: 4px;
    border: 1px solid #ccc;
    background-color: white;
    font-size: 1rem;
    cursor: pointer;
}

.language-select-group select:disabled {
    background-color: #f0f0f0;
    cursor: not-allowed;
}

.direction-arrow {
    margin: 0 1.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: #3498db;
}

.language-info {
    background-color: #f5f5f5;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    text-align: center;
    font-size: 1.1rem;
    border: 1px solid #ddd;
}

.detected-language {
    display: inline-block;
    margin-left: 1rem;
    padding: 0.2rem 0.8rem;
    border-radius: 4px;
    background-color: #3498db;
    color: white;
}

.translation-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.translation-box {
    flex: 1 1 300px;
    padding: 0.75rem;
    background-color: #f9f9f9;
    border-radius: 8px;
    border: 1px solid #ddd;
}

.translation-box.compact {
    position: relative;
}

h2 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    color: #2c3e50;
    display: none; /* Hide in compact mode */
}

.text-display {
    min-height: 50px;
    white-space: pre-wrap;
    font-size: 1.1rem;
}

.short-display {
    min-height: 50px;
    max-height: 120px;
    overflow-y: auto;
}

.language-tag {
    display: inline-block;
    background-color: #3498db;
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
    font-weight: bold;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.control-btn {
    padding: 0.5rem 1rem;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    margin: 0;
}

.control-btn:hover {
    background-color: #2980b9;
}

.control-btn:disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
    opacity: 0.7;
}

.save-btn {
    background-color: #27ae60;
}

.save-btn:hover {
    background-color: #219955;
}

.clear-btn {
    background-color: #e74c3c;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

.clear-btn:hover {
    background-color: #c0392b;
}

.status {
    text-align: center;
    margin-top: 0.5rem;
    font-style: italic;
    color: #7f8c8d;
    font-size: 0.85rem;
    padding: 0.2rem 0;
}

/* Conversation History Styles */
.history-container {
    margin-top: 0.5rem;
    border-top: 1px solid #ddd;
    padding-top: 0.25rem;
}

.history-controls {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 0.3rem;
    padding: 0 0.2rem;
    align-items: center;
}

.font-size-controls {
    display: flex;
    gap: 0.2rem;
}

.font-size-btn {
    width: 24px;
    height: 24px;
    border-radius: 3px;
    border: 1px solid #ccc;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: bold;
    padding: 0;
    line-height: 1;
}

.font-size-btn:hover {
    background-color: #e0e0e0;
}

.font-size-btn.increase {
    color: #27ae60;
}

.font-size-btn.decrease {
    color: #e74c3c;
}

.history-list {
    max-height: 350px;
    overflow-y: auto;
}

.history-item {
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 0.3rem;
    overflow: hidden;
}

.history-item.compact {
    font-size: 0.85rem;
    line-height: 1.3;
}

.history-header {
    display: flex;
    justify-content: space-between;
    padding: 0.2rem 0.5rem;
    background-color: #f1f1f1;
    border-bottom: 1px solid #ddd;
}

.history-time {
    color: #666;
    font-size: 0.65rem;
}

.history-direction {
    font-weight: bold;
    font-size: 0.7rem;
    color: #3498db;
}

.history-content {
    padding: 0.3rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.history-source {
    color: #333;
    padding-bottom: 0.15rem;
    border-bottom: 1px dotted #ddd;
}

.history-translation {
    color: #2980b9;
    font-weight: 500;
}

/* Responsive Adjustments */
@media (max-width: 600px) {
    .translation-container {
        flex-direction: column;
    }
    
    .translation-box {
        min-height: 50px;
    }
    
    .history-header {
        flex-direction: column;
        align-items: flex-start;
    }
}