/* 
 * WebSocket 聊天系統測試界面樣式
 * 文件路徑: static/css/style.css
 */

:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #1abc9c;
    --light-color: #ecf0f1;
    --dark-color: #34495e;
    --border-color: #bdc3c7;
    --bg-color: #f8f9fa;
    --text-color: #333;
    --text-light: #7f8c8d;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-color);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* 頭部樣式 */
.header {
    background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
    color: white;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.server-info {
    display: flex;
    gap: 20px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 20px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.label {
    font-size: 12px;
    opacity: 0.8;
    margin-bottom: 4px;
}

.value {
    font-weight: 600;
    font-size: 14px;
}

.status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status.connected, .status.authenticated {
    background: var(--success-color);
}

.status.offline, .status.disconnected {
    background: var(--danger-color);
}

/* 主內容區域 */
.main-content {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 0;
    min-height: 600px;
}

/* 控制面板 */
.control-panel {
    background: var(--light-color);
    border-right: 1px solid var(--border-color);
    padding: 20px;
    overflow-y: auto;
}

.panel-section {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.panel-section h3 {
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.button-group {
    display: flex;
    gap: 10px;
    margin: 15px 0;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex: 1;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-info {
    background: var(--info-color);
    color: white;
}

.btn-warning {
    background: var(--warning-color);
    color: white;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-quick {
    padding: 8px 12px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 5px;
    flex: 1;
}

.btn-quick:hover {
    border-color: var(--primary-color);
    background: var(--light-color);
}

.system-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-light);
    font-size: 13px;
}

.info-value {
    font-weight: 600;
    font-size: 13px;
}

.quick-commands {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* 消息面板 */
.message-panel {
    display: flex;
    flex-direction: column;
    height: 600px;
}

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

.panel-header h3 {
    color: var(--secondary-color);
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.log-filter {
    display: flex;
    gap: 10px;
    font-size: 12px;
}

.log-filter label {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.log-container {
    flex: 1;
    overflow: hidden;
}

.message-log {
    height: 100%;
    overflow-y: auto;
    padding: 20px;
    background: #f8f9fa;
}

.log-entry {
    padding: 12px 15px;
    margin-bottom: 10px;
    border-radius: 8px;
    background: white;
    border-left: 4px solid var(--border-color);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.log-entry.system {
    border-left-color: var(--info-color);
    background: rgba(26, 188, 156, 0.05);
}

.log-entry.received {
    border-left-color: var(--success-color);
    background: rgba(46, 204, 113, 0.05);
}

.log-entry.sent {
    border-left-color: var(--primary-color);
    background: rgba(52, 152, 219, 0.05);
}

.log-time {
    color: var(--text-light);
    font-size: 12px;
    margin-right: 10px;
    font-family: 'Courier New', monospace;
}

.log-source {
    font-weight: 600;
    color: var(--dark-color);
    margin-right: 8px;
}

.log-content {
    color: var(--text-color);
    word-break: break-word;
}

.connection-status {
    background: white;
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 15px;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--danger-color);
}

.status-indicator.connected {
    background: var(--success-color);
    box-shadow: 0 0 10px var(--success-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.status-text {
    flex: 1;
    font-size: 14px;
}

.latency {
    font-size: 14px;
    padding: 4px 10px;
    border-radius: 4px;
    background: var(--light-color);
}

.latency .good {
    color: var(--success-color);
    font-weight: 600;
}

.latency .medium {
    color: var(--warning-color);
    font-weight: 600;
}

.latency .poor {
    color: var(--danger-color);
    font-weight: 600;
}

/* 底部 */
.footer {
    background: var(--secondary-color);
    color: white;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-info {
    display: flex;
    gap: 20px;
    font-size: 13px;
    opacity: 0.9;
}

.footer-info span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-actions {
    display: flex;
    gap: 10px;
}

/* 響應式設計 */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .control-panel {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .server-info {
        flex-direction: column;
        gap: 5px;
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .panel-header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .footer {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .footer-info {
        flex-wrap: wrap;
        justify-content: center;
    }
}