/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS变量主题系统 */
:root {
    /* 亮色主题（默认） */
    --bg-primary: #f3f4f6;
    --bg-secondary: rgba(255, 255, 255, 0.95);
    --bg-tertiary: #f8fafc;
    --bg-quaternary: #f7fafc;
    --bg-modal: rgba(0, 0, 0, 0.5);
    
    --text-primary: #333;
    --text-secondary: #4a5568;
    --text-tertiary: #64748b;
    --text-quaternary: #6b7280;
    --text-inverse: white;
    
    --border-primary: #e2e8f0;
    --border-secondary: #cbd5e0;
    --border-focus: #475569;
    
    --accent-primary: linear-gradient(135deg, #475569, #334155);
    --accent-secondary: #e2e8f0;
    --accent-tertiary: #f8fafc;
    --primary-color: #3b82f6;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    
    --success-bg: linear-gradient(135deg, #dcfce7, #bbf7d0);
    --success-text: #166534;
    --success-border: #86efac;
    
    --error-bg: linear-gradient(135deg, #fef2f2, #fecaca);
    --error-text: #dc2626;
    --error-border: #fca5a5;
    
    --warning-bg: linear-gradient(135deg, #fef3c7, #fed7aa);
    --warning-text: #d97706;
    --warning-border: #fdba74;
    
    --shadow-primary: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-secondary: 0 20px 60px rgba(0, 0, 0, 0.15);
    --shadow-modal: 0 20px 60px rgba(0, 0, 0, 0.3);
    
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.2);
}

/* 暗色主题 */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: rgba(30, 41, 59, 0.95);
    --bg-tertiary: #1e293b;
    --bg-quaternary: #334155;
    --bg-modal: rgba(0, 0, 0, 0.7);
    
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --text-quaternary: #64748b;
    --text-inverse: #ffffff;
    
    --border-primary: #334155;
    --border-secondary: #475569;
    --border-focus: #64748b;
    
    --accent-primary: linear-gradient(135deg, #64748b, #475569);
    --accent-secondary: #334155;
    --accent-tertiary: #1e293b;
    --primary-color: #38bdf8;
    --card-bg: #1e293b;
    --border-color: #334155;
    
    --success-bg: linear-gradient(135deg, #064e3b, #047857);
    --success-text: #bbf7d0;
    --success-border: #059669;
    
    --error-bg: linear-gradient(135deg, #7f1d1d, #b91c1c);
    --error-text: #fecaca;
    --error-border: #dc2626;
    
    --warning-bg: linear-gradient(135deg, #78350f, #d97706);
    --warning-text: #fed7aa;
    --warning-border: #f59e0b;
    
    --shadow-primary: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-secondary: 0 20px 60px rgba(0, 0, 0, 0.4);
    --shadow-modal: 0 20px 60px rgba(0, 0, 0, 0.8);
    
    --glass-bg: rgba(30, 41, 59, 0.95);
    --glass-border: rgba(100, 116, 139, 0.2);
}

/* 登录页面样式 */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: 20px;
}

/* 自动登录加载页面样式 */
.auto-login-content {
    text-align: center;
    padding: 20px;
}

.loading-spinner {
    margin: 0 auto 20px;
    width: 60px;
    height: 60px;
}

.spinner {
    width: 100%;
    height: 100%;
    border: 4px solid #e5e7eb;
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.auto-login-content h2 {
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 24px;
    font-weight: 600;
}

.auto-login-content p {
    color: var(--text-tertiary);
    font-size: 16px;
    line-height: 1.5;
}

/* 登录页面头部布局 */
.login-header-top {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
    position: relative;
}

.login-title {
    width: 100%;
    text-align: center;
    margin-bottom: 30px;
}

/* 头部控制按钮组 */
.header-controls {
    display: flex;
    gap: 8px;
    align-items: center;
    height: 100%;
}

/* 登录页面的控制按钮组样式 */
.login-header-top .header-controls {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    margin-top: 8px; /* 与标题拉开距离，避免遮挡 */
    margin-bottom: 20px;
}

.login-header-top .header-controls:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

[data-theme="dark"] .login-header-top .header-controls {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(100, 116, 139, 0.3);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .login-header-top .header-controls:hover {
    background: rgba(30, 41, 59, 0.9);
    border-color: rgba(100, 116, 139, 0.5);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.language-switcher,
.theme-switcher {
    position: relative;
    flex-shrink: 0;
}

.language-btn,
.theme-btn {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    color: var(--text-tertiary);
    transition: all 0.3s ease;
    white-space: nowrap;
    backdrop-filter: blur(5px);
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* 登录页面的按钮样式优化 */
.login-header-top .language-btn,
.login-header-top .theme-btn {
    padding: 8px 12px;
    font-size: 13px;
    height: 36px;
    min-width: 36px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #64748b;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.login-header-top .language-btn:hover,
.login-header-top .theme-btn:hover {
    background: rgba(255, 255, 255, 1);
    border-color: rgba(100, 116, 139, 0.3);
    color: #475569;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .login-header-top .language-btn,
[data-theme="dark"] .login-header-top .theme-btn {
    background: rgba(30, 41, 59, 0.9);
    border: 1px solid rgba(100, 116, 139, 0.3);
    color: #94a3b8;
}

[data-theme="dark"] .login-header-top .language-btn:hover,
[data-theme="dark"] .login-header-top .theme-btn:hover {
    background: rgba(51, 65, 85, 0.95);
    border-color: rgba(100, 116, 139, 0.5);
    color: #cbd5e1;
}

.language-btn:hover,
.theme-btn:hover {
    background: var(--accent-secondary);
    border-color: var(--border-secondary);
    color: var(--text-secondary);
}

.language-btn i,
.theme-btn i {
    margin-right: 6px;
}

.theme-btn.active {
    background: var(--accent-primary);
    color: var(--text-inverse);
}

.login-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow-secondary);
    border: 1px solid var(--glass-border);
}

.login-header {
    text-align: center;
    margin-bottom: 25px;
}

/* 选项卡导航样式 */
.connection-tabs {
    display: flex;
    margin-bottom: 25px;
    margin-top: 10px;
    border-radius: 12px;
    background: var(--bg-tertiary);
    padding: 4px;
    border: 1px solid var(--border-primary);
}

.tab-button {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    color: var(--text-tertiary);
}

.tab-button:hover {
    background: var(--accent-tertiary);
}

.tab-button.active {
    background: var(--accent-primary);
    color: var(--text-inverse);
    box-shadow: var(--shadow-primary);
}

.tab-button i {
    font-size: 20px;
    min-width: 20px;
}

.tab-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.tab-title {
    font-weight: 600;
    font-size: 16px;
}

.tab-subtitle {
    font-size: 12px;
    opacity: 0.8;
    line-height: 1.3;
}

/* 代理设置样式 */
.proxy-settings {
    margin-bottom: 25px;
    padding: 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 10px;
}

.proxy-settings label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
}

.proxy-settings input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.proxy-settings input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--border-primary);
}

/* 连接表单样式 */
.connection-form {
    display: none;
}

.connection-form.active {
    display: block;
}

/* 本地URL组合输入框样式 */
.local-url-group {
    display: flex;
    align-items: center;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    background: var(--bg-secondary);
    transition: all 0.3s ease;
    overflow: hidden;
}

.local-url-group:focus-within {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--border-primary);
}

.url-prefix {
    padding: 12px 16px;
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    font-weight: 500;
    font-size: 14px;
    border-right: 1px solid var(--border-primary);
    white-space: nowrap;
}

.local-url-group input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    font-size: 14px;
    background: transparent;
    color: var(--text-primary);
    outline: none;
    min-width: 80px;
}

.local-url-group input::-webkit-outer-spin-button,
.local-url-group input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.local-url-group input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

.login-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    color: var(--text-secondary);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0;
    line-height: 1.2;
}

#login-logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    border-radius: 6px;
    padding: 2px;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.login-subtitle {
    color: #64748b;
    font-size: 1rem;
    margin: 0;
    text-align: center;
}

.login-form {
    width: 100%;
}

.login-form .form-group {
    margin-bottom: 25px;
}

.login-form .form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
}

.login-form .form-hint {
    margin-top: 6px;
    color: #64748b;
    font-size: 12px;
}

.login-form .input-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.login-form input[type="text"],
.login-form input[type="password"] {
    flex: 1;
    padding: 14px 16px;
    border: 2px solid var(--border-primary);
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.login-form input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--border-primary);
}

.login-form .btn-secondary {
    padding: 14px 16px;
    border: 2px solid #e2e8f0;
    background: #f8fafc;
    color: #64748b;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.login-form .btn-secondary:hover {
    background: #e2e8f0;
    border-color: #cbd5e0;
}

.form-actions {
    margin-top: 30px;
    text-align: center;
}

.login-btn {
    width: 100%;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    background: linear-gradient(135deg, #475569, #334155);
    color: white;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(51, 65, 85, 0.4);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.login-error {
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    color: var(--error-text);
    padding: 12px 16px;
    border-radius: 8px;
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
}

.login-error i {
    color: var(--error-text);
}

/* 响应式设计 - 登录页面 */
@media (max-width: 640px) {
    .login-card {
        padding: 30px 20px;
        margin: 10px;
        max-width: 100%;
    }
    
    .login-header-top {
        flex-direction: column;
        gap: 20px;
        align-items: center;
        margin-bottom: 30px;
    }
    
    .header-controls {
        flex-direction: row;
        justify-content: center;
        gap: 8px;
        margin-bottom: 10px; /* 在小屏幕上给控制按钮组添加下边距 */
    }
    
    /* 登录页面小屏幕优化 */
    .login-header-top .header-controls {
        margin: 8px auto 0 auto; /* 顶部留白，避免与标题拥挤 */
        background: rgba(255, 255, 255, 0.08);
        padding: 6px;
        border-radius: 10px;
    }
    
    .login-header-top .language-btn,
    .login-header-top .theme-btn {
        padding: 6px 10px;
        font-size: 12px;
        height: 32px;
        min-width: 32px;
    }
    
    .language-btn,
    .theme-btn {
        padding: 8px 16px;
        font-size: 13px;
        height: 36px; /* 在小屏幕上稍微减小高度 */
    }
    
    .login-title {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 10px;
        text-align: center;
        justify-content: center;
        margin-bottom: 25px;
    }
    
    #login-logo {
        height: 50px;
    }
    
    .connection-tabs {
        flex-direction: column;
        gap: 4px;
    }
    
    .tab-button {
        flex-direction: row;
        gap: 12px;
        padding: 14px;
    }
    
    .tab-subtitle {
        display: none;
    }
    
    .proxy-settings {
        padding: 12px;
    }
    
    .local-url-group {
        flex-direction: column;
    }
    
    .url-prefix {
        border-right: none;
        border-bottom: 1px solid #e2e8f0;
        border-radius: 8px 8px 0 0;
        text-align: center;
    }
    
    .local-url-group input {
        border-radius: 0 0 8px 8px;
        text-align: center;
    }
    
    .login-form .input-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .login-form .btn-secondary {
        width: 100%;
        margin-top: 10px;
    }
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部样式 */
.header {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 48px 28px; /* 再次拉长，适配更大 Logo */
    margin-bottom: 20px;
    box-shadow: var(--shadow-primary);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    color: var(--text-secondary);
    font-size: 1.6rem; /* 字体小一号 */
    font-weight: 600;
}

.header h1.brand {
    display: flex;
    align-items: flex-end; /* 文字在 Logo 右下角（底对齐） */
    gap: 18px;
    line-height: 1; /* 减少标题内上下空白 */
}

.header h1 i {
    color: #64748b; /* slate-500 */
    margin-right: 10px;
}

/* 站点 Logo（嵌入头部） */
#site-logo {
    height: 88px;
    width: auto;
    display: inline-block;
    object-fit: contain;
    border-radius: 6px;
    padding: 2px;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.brand-title {
    display: inline-block;
    line-height: 1.1; /* 保持原字号不变，同时更紧凑 */
    margin-bottom: 4px; /* 让文字更贴近更高的 Logo 底部 */
}

/* 小屏幕适配：避免 Logo 过大占位 */
@media (max-width: 640px) {
    #site-logo { height: 64px; }
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    height: 40px; /* 统一高度 */
}


/* 认证区域 */
.auth-section {
    margin-bottom: 20px;
}

/* 连接信息样式 */
.connection-info {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-primary);
}

.info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
}

.info-label i {
    color: var(--text-tertiary);
    width: 16px;
}

.info-value {
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 13px;
    background: var(--bg-secondary);
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-primary);
    max-width: 300px;
    word-break: break-all;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-indicator.connected {
    background: var(--success-bg);
    color: var(--success-text);
    border: 1px solid var(--success-border);
}

.status-indicator.disconnected {
    background: var(--error-bg);
    color: var(--error-text);
    border: 1px solid var(--error-border);
}

.status-indicator.connecting {
    background: var(--warning-bg);
    color: var(--warning-text);
    border: 1px solid var(--warning-border);
}

.connection-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.connection-actions .btn {
    flex: 1;
    max-width: 150px;
}

/* 响应式设计 - 连接信息 */
@media (max-width: 768px) {
    .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .info-value {
        max-width: 100%;
        width: 100%;
    }
    
    .connection-actions {
        flex-direction: column;
    }
    
    .connection-actions .btn {
        max-width: 100%;
    }
}

/* 主要内容区域 */
.main-content {
    display: flex;
    gap: 20px;
}

/* 侧边栏 */
.sidebar {
    width: 250px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    height: fit-content;
    box-shadow: var(--shadow-primary);
}

.nav-menu {
    list-style: none;
}

.nav-menu li {
    margin-bottom: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.nav-item:hover {
    background: var(--accent-tertiary);
    color: var(--text-secondary);
}

.nav-item.active {
    background: var(--accent-primary);
    color: var(--text-inverse);
    box-shadow: var(--shadow-primary);
}

.nav-item i {
    margin-right: 10px;
    width: 20px;
}

/* 内容区域 */
.content-area {
    flex: 1;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.content-section h2 {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 600;
}

/* 卡片样式 */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-primary);
    overflow: hidden;
}

.card-header {
    background: var(--bg-tertiary);
    padding: 20px;
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    color: var(--text-secondary);
    font-size: 1.2rem;
    font-weight: 600;
}

.card-header h3 i {
    color: var(--text-tertiary);
    margin-right: 10px;
}

.card-content {
    padding: 20px;
}

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    height: 40px;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--text-inverse);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.btn-secondary {
    background: var(--accent-secondary);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: var(--border-secondary);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #b91c1c);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(185, 28, 28, 0.45);
}

.btn-success {
    background: linear-gradient(135deg, #22c55e, #15803d);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(21, 128, 61, 0.45);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* 表单元素 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-hint {
    margin-top: 6px;
    color: var(--text-tertiary);
    font-size: 12px;
}

.input-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="url"],
textarea,
select {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--border-primary);
}

/* 切换开关 */
.toggle-group {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 25px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--accent-secondary);
    transition: .4s;
    border-radius: 25px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 19px;
    width: 19px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-inverse);
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background: var(--accent-primary);
}

input:checked + .slider:before {
    transform: translateX(25px);
}

.toggle-label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* 列表样式 */
.key-list,
.provider-list,
.file-list {
    max-height: 400px;
    overflow-y: auto;
}

.key-item,
.provider-item,
.file-item {
    background: var(--bg-quaternary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.key-item:hover,
.provider-item:hover,
.file-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-secondary);
    transform: translateY(-1px);
}

.item-content {
    flex: 1;
}

.item-actions {
    display: flex;
    gap: 8px;
}

.item-title {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.item-subtitle {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.item-value {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    background: var(--bg-tertiary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    word-break: break-all;
}

/* 状态信息 */
.status-info {
    background: var(--bg-quaternary);
    border-radius: 8px;
    padding: 20px;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-primary);
}

.status-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.status-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.status-value {
    color: var(--text-tertiary);
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-modal);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--bg-secondary);
    margin: 8% auto;
    padding: 0;
    border-radius: 15px;
    width: 90%;
    max-width: 550px;
    box-shadow: var(--shadow-modal);
    animation: modalSlideIn 0.3s ease;
    position: relative;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close {
    color: var(--text-tertiary);
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close:hover,
.close:focus {
    color: var(--text-secondary);
    background-color: var(--bg-tertiary);
}

#modal-body {
    padding: 50px 35px 35px 35px;
}

/* 模态框标题样式 */
#modal-body h3 {
    color: var(--text-secondary);
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0 0 25px 0;
    text-align: center;
    border-bottom: 2px solid var(--border-primary);
    padding-bottom: 15px;
}

/* 模态框表单组 */
#modal-body .form-group {
    margin-bottom: 20px;
}

#modal-body .form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
}

#modal-body .form-group input,
#modal-body .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-family: inherit;
}

#modal-body .form-group input:focus,
#modal-body .form-group textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--border-primary);
}

#modal-body .form-group textarea {
    resize: vertical;
    min-height: 80px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 13px;
}

/* 模态框按钮组 */
#modal-body .modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-primary);
}

#modal-body .modal-actions .btn {
    min-width: 80px;
    padding: 10px 20px;
}

/* 通知 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 1001;
    transform: translateX(400px);
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: linear-gradient(135deg, #68d391, #38a169);
}

.notification.error {
    background: linear-gradient(135deg, #fc8181, #e53e3e);
}

.notification.info {
    background: linear-gradient(135deg, #63b3ed, #3182ce);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        order: 2;
    }
    
    .content-area {
        order: 1;
    }
    
    .nav-menu {
        display: flex;
        overflow-x: auto;
        gap: 10px;
    }
    
    .nav-menu li {
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .input-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .card-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .header-actions {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .header-controls {
        order: -1; /* 确保控制按钮在小屏幕上排在前面 */
    }
    
    /* 模态框响应式 */
    .modal-content {
        margin: 5% auto;
        width: 95%;
        max-width: none;
    }
    
    #modal-body {
        padding: 40px 25px 25px 25px;
    }
    
    #modal-body h3 {
        font-size: 1.2rem;
        margin-bottom: 20px;
    }
    
    #modal-body .modal-actions {
        flex-direction: column-reverse;
        gap: 10px;
    }
    
    #modal-body .modal-actions .btn {
        width: 100%;
        margin: 0;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-tertiary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--border-secondary);
}

.empty-state h3 {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #475569, #334155);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #334155, #1f2937);
}

/* 连接状态指示器 */
.connection-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
}

.connection-indicator.connected {
    background-color: #68d391;
    box-shadow: 0 0 8px rgba(104, 211, 145, 0.6);
}

.connection-indicator.disconnected {
    background-color: #fc8181;
    box-shadow: 0 0 8px rgba(252, 129, 129, 0.6);
}

.connection-indicator.connecting {
    background-color: #fbb040;
    animation: pulse 1.5s infinite;
}

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


/* Gemini Web Token 模态框样式 */
.gemini-web-form .form-group {
    margin-bottom: 20px;
}

.gemini-web-form .form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 14px;
}

.gemini-web-form .form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.gemini-web-form .form-group input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--border-primary);
}

.gemini-web-form .form-hint {
    margin-top: 6px;
    color: var(--text-tertiary);
    font-size: 12px;
    line-height: 1.4;
}

/* 使用统计样式 */
.stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.stat-card:hover {
    border-color: var(--border-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.stat-icon.success {
    background: #10b981;
}

.stat-icon.error {
    background: #ef4444;
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.charts-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 1200px) {
    .charts-container {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    min-height: 400px;
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

.chart-controls {
    display: flex;
    gap: 8px;
}

.btn.btn-small {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn.btn-small:hover {
    border-color: var(--border-primary);
    color: var(--text-primary);
}

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

.api-stats-table {
    overflow-x: auto;
}

.stats-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.stats-table th,
.stats-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.stats-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.stats-table td {
    color: var(--text-secondary);
    font-size: 14px;
}

.stats-table tr:hover {
    background: var(--bg-secondary);
}

.model-details {
    margin-top: 8px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    font-size: 12px;
}

.model-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
    color: var(--text-tertiary);
}

.model-name {
    font-weight: 500;
    color: var(--text-secondary);
}

.loading-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    color: var(--text-tertiary);
    font-size: 14px;
}

.no-data-message {
    text-align: center;
    color: var(--text-tertiary);
    font-style: italic;
    padding: 40px;
}

/* 暗色主题适配 */
[data-theme="dark"] .stat-card {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .stat-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .btn.btn-small {
    background: var(--bg-tertiary);
}