/* CSS 變數定義 */
:root {
    --primary-color: #0d6efd;
    --primary-dark: #0056b3;
    --primary-light: #4dabf7;
    
    --bg-color: #ffffff;
    --text-color: #212529;
    --text-muted: #6c757d;
    --card-bg: #ffffff;
    --card-border: #e9ecef;
    --card-hover-border: var(--primary-color);
    --modal-bg: #ffffff;
    --modal-content-bg: #ffffff;
    --input-bg: #ffffff;
    --input-border: #ced4da;
    --light-bg: #f8f9fa;
    --footer-bg: #f8f9fa;
    --link-color: var(--primary-color);
    --pre-bg: #f8f9fa;
    
    /* 日誌標籤相關顏色 */
    --log-tab-bg: var(--primary-color);
    --log-tab-text: #ffffff;
    --log-tab-hover-bg: var(--primary-dark);
}

[data-theme="dark"] {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --text-muted: #b0b0b0;
    --card-bg: #1e1e1e;
    --card-border: #444444;
    --card-hover-border: var(--primary-light);
    --modal-bg: #1e1e1e;
    --modal-content-bg: #1e1e1e;
    --input-bg: #2a2a2a;
    --input-border: #555555;
    --light-bg: #2a2a2a;
    --footer-bg: #1a1a1a;
    --link-color: var(--primary-light);
    --pre-bg: #2a2a2a;
}

/* 基礎樣式 */
body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.text-muted {
    color: var(--text-muted) !important;
}

.node-card {
    cursor: pointer;
    transition: all 0.3s ease;
    border-color: var(--card-border) !important;
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
}

.node-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: var(--card-hover-border) !important;
}

.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.5);
}

.modal.show {
    display: block;
}

/* MTR 結果樣式優化 */
.test-output {
    overflow-x: auto;
    white-space: pre;
}

/* 大螢幕優化：modal 寬度自適應內容 */
@media (min-width: 992px) {
    .modal-dialog.modal-lg {
        max-width: fit-content;
        width: auto;
        margin: 1.75rem auto;
        min-width: 800px; /* 初始最小寬度 */
    }
    
    .modal-content {
        width: max-content;
        max-width: 95vw;
        min-width: 800px; /* 確保初始畫面不會太窄 */
    }
}

/* 手機保持原有滾動 */
@media (max-width: 991px) {
    .test-output {
        overflow-x: auto;
        white-space: pre;
    }
}

/* Modal 深色模式樣式 */
.modal-content {
    background-color: var(--modal-content-bg);
    color: var(--text-color);
}

.modal-header {
    border-bottom-color: var(--card-border);
}

.modal-header .btn-close {
    filter: var(--btn-close-filter, none);
}

[data-theme="dark"] .modal-header .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* 表單元素深色模式 */
.form-control,
.form-select {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-color);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--input-bg);
    border-color: var(--link-color);
    color: var(--text-color);
}

/* Placeholder 文字顏色 */
.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

[data-theme="dark"] .form-control::placeholder {
    color: #999999;
    opacity: 1;
}

/* Select 選項深色模式 */
[data-theme="dark"] .form-select option {
    background-color: var(--input-bg);
    color: var(--text-color);
}

/* 修復深色模式下的下拉箭頭 */
[data-theme="dark"] .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23e0e0e0' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
}

/* 背景顏色調整 */
.bg-light {
    background-color: var(--light-bg) !important;
}

/* 頁尾深色模式 */
footer {
    background-color: var(--footer-bg) !important;
}

/* 連結顏色 */
a {
    color: var(--link-color);
}

a:hover {
    color: var(--link-color);
    opacity: 0.8;
}

/* 測試輸出區域 */
.test-output {
    background-color: var(--pre-bg);
    color: var(--text-color);
    white-space: pre !important;
    overflow-x: auto;
    overflow-y: auto;
    max-width: 100%;
}

/* 主題切換按鈕 */
#themeToggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

/* 批量測試按鈕 - 與其他按鈕樣式一致 */
#batchTestBtn {
    position: fixed;
    top: 20px;
    right: 120px;
    z-index: 1000;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

#batchTestBtn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 電腦版專用內容 */
@media (min-width: 769px) {
    .mobile-only {
        display: none !important;
    }
}

/* === 手機版專用設計 === */
@media (max-width: 768px) {
    /* 隱藏電腦版內容 */
    .desktop-only {
        display: none !important;
    }
    
    /* 顯示手機版內容 */
    .mobile-only {
        display: block !important;
    }
    
    /* 手機版主體重新設計 */
    body {
        margin: 0;
        padding: 0;
        overflow-x: hidden;
    }
    
    main.container {
        padding: 0 !important;
        max-width: 100% !important;
        margin: 0 !important;
    }
    
    /* 手機版頂部導航欄 */
    .mobile-header {
        position: sticky;
        top: 0;
        left: 0;
        right: 0;
        background: var(--bg-color);
        color: var(--text-color);
        padding: 1rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        border-bottom: 1px solid var(--card-border);
    }
    
    .mobile-header h1 {
        font-size: 1.2rem;
        margin: 0;
        font-weight: 600;
        color: var(--text-color);
    }
    
    .mobile-header .header-actions {
        display: flex;
        gap: 0.5rem;
    }
    
    .mobile-header .btn {
        background: var(--card-bg);
        border: 1px solid var(--card-border);
        color: var(--text-color);
        width: 36px;
        height: 36px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0;
        transition: all 0.2s ease;
    }
    
    .mobile-header .btn:hover {
        background: var(--light-bg);
        color: var(--text-color);
        border-color: var(--primary-color);
    }
    
    /* 手機版節點選擇區域 */
    .mobile-node-selector {
        background: var(--bg-color);
        padding: 1rem;
    }
    
    .node-selector-title {
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 1rem;
        color: var(--text-color);
    }
    
    /* 手機版節點列表 - 垂直滾動設計 */
    .mobile-nodes-list {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        max-height: calc(50vh - 60px);
        overflow-y: auto;
        padding: 0;
        margin: 0;
        -webkit-overflow-scrolling: touch;
    }
    
    .mobile-node-item {
        background: var(--card-bg);
        border: 1px solid var(--card-border);
        border-radius: 12px;
        padding: 1rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        transition: all 0.2s ease;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }
    
    /* 點擊時的瞬間反饋 */
    .mobile-node-item:active {
        transform: scale(0.98);
    }
    
    /* 選中狀態（持續顯示） */
    .mobile-node-item.selected {
        background: var(--primary-color) !important;
        color: white !important;
        border-color: var(--primary-color) !important;
        box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3) !important;
        position: relative;
    }
    
    /* 選中狀態的視覺標識 */
    .mobile-node-item.selected::before {
        content: '✓';
        position: absolute;
        top: 0.5rem;
        right: 0.5rem;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 50%;
        width: 20px;
        height: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        font-weight: bold;
        color: white;
    }
    
    .mobile-node-item .node-info {
        flex: 1;
    }
    
    .mobile-node-item .node-name {
        font-weight: 600;
        font-size: 1rem;
        margin-bottom: 0.25rem;
        color: var(--text-color);
    }
    
    .mobile-node-item.selected .node-name {
        color: white !important;
    }
    
    .mobile-node-item .node-location {
        font-size: 0.875rem;
        color: var(--text-muted);
        margin-bottom: 0.25rem;
    }
    
    .mobile-node-item.selected .node-location {
        color: rgba(255, 255, 255, 0.8) !important;
    }
    
    .mobile-node-item .node-provider {
        font-size: 0.75rem;
        color: var(--text-muted);
    }
    
    .mobile-node-item.selected .node-provider {
        color: rgba(255, 255, 255, 0.7) !important;
    }
    
    .mobile-node-item .node-status {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    .mobile-node-item .status-indicator {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        flex-shrink: 0;
    }
    
    .mobile-node-item .status-indicator.online {
        background: #28a745;
        box-shadow: 0 0 6px rgba(40, 167, 69, 0.4);
    }
    
    .mobile-node-item .status-indicator.offline {
        background: #dc3545;
        box-shadow: 0 0 6px rgba(220, 53, 69, 0.4);
    }
    
    
    /* 手機版測試區域 */
    .mobile-test-area {
        background: var(--light-bg);
        padding: 1rem;
        border-top: 1px solid var(--card-border);
    }
    
    .mobile-test-form {
        background: var(--card-bg);
        border-radius: 12px;
        padding: 1rem;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    
    .mobile-test-form .form-label {
        font-weight: 600;
        font-size: 0.875rem;
        margin-bottom: 0.5rem;
        color: var(--text-color);
    }
    
    .mobile-test-form .form-control,
    .mobile-test-form .form-select {
        border-radius: 8px;
        border: 1px solid var(--input-border);
        padding: 0.75rem;
        font-size: 1rem;
        margin-bottom: 1rem;
        background: var(--input-bg);
        color: var(--text-color);
    }
    
    .mobile-test-form .form-control:focus,
    .mobile-test-form .form-select:focus {
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
    }
    
    .mobile-test-form .btn-primary {
        width: 100%;
        padding: 0.875rem;
        font-size: 1rem;
        font-weight: 600;
        border-radius: 8px;
        border: none;
        background: var(--primary-color);
        box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
        transition: all 0.2s ease;
    }
    
    .mobile-test-form .btn-primary:active {
        transform: translateY(1px);
        box-shadow: 0 2px 8px rgba(13, 110, 253, 0.3);
    }
    
    /* 手機版測試結果 */
    .mobile-test-results {
        background: var(--card-bg);
        border-radius: 12px;
        margin-top: 1rem;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    
    .mobile-test-results .result-header {
        background: var(--primary-color);
        color: white;
        padding: 1rem;
        font-weight: 600;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .mobile-test-results .result-content {
        padding: 1rem;
        font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
        font-size: 0.75rem;
        line-height: 1.3;
        white-space: pre-wrap;
        word-break: break-all;
        max-height: 400px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        background: var(--pre-bg);
        color: var(--text-color);
    }
    
    /* 手機版測試結果優化顯示 */
    .mobile-test-results .result-content.formatted {
        white-space: normal;
        word-break: normal;
        font-size: 0.8rem;
        line-height: 1.4;
    }
    
    .mobile-test-results .hop-line {
        display: block;
        margin-bottom: 0.5rem;
        padding: 0.5rem;
        background: rgba(0, 0, 0, 0.05);
        border-radius: 4px;
        border-left: 3px solid var(--primary-color);
    }
    
    .mobile-test-results .hop-number {
        font-weight: bold;
        color: var(--primary-color);
        margin-right: 0.5rem;
    }
    
    .mobile-test-results .hop-ip {
        color: var(--text-color);
        font-weight: 500;
    }
    
    .mobile-test-results .hop-time {
        color: var(--text-muted);
        font-size: 0.85em;
        margin-left: 0.5rem;
    }
    
    .mobile-test-results .ping-line {
        display: block;
        margin-bottom: 0.25rem;
        padding: 0.25rem 0.5rem;
        border-radius: 4px;
    }
    
    .mobile-test-results .ping-line:nth-child(odd) {
        background: rgba(0, 0, 0, 0.02);
    }
    
    /* 深色模式下的手機版測試結果樣式 */
    [data-theme="dark"] .mobile-test-results .hop-line {
        background: rgba(255, 255, 255, 0.05);
        border-left-color: var(--primary-light);
    }
    
    [data-theme="dark"] .mobile-test-results .hop-number {
        color: var(--primary-light);
    }
    
    [data-theme="dark"] .mobile-test-results .ping-line:nth-child(odd) {
        background: rgba(255, 255, 255, 0.02);
    }
    
    /* 深色模式下的節點選中狀態 */
    [data-theme="dark"] .mobile-node-item.selected {
        background: var(--primary-light) !important;
        border-color: var(--primary-light) !important;
        box-shadow: 0 4px 12px rgba(77, 171, 247, 0.3) !important;
    }
    
    /* 隱藏原有的電腦版元素 */
    .desktop-only,
    footer {
        display: none !important;
    }
    
    /* 隱藏原有的頂部按鈕 */
    .top-button,
    .color-toggle-btn,
    .color-picker,
    #themeToggle,
    #statsBtn,
    #batchTestBtn {
        display: none !important;
    }
    
    /* 手機版模態框樣式 */
    #mobileStatsModal .modal-content,
    #mobileLogsModal .modal-content {
        border-radius: 0;
        height: 100vh;
    }
    
    #mobileStatsModal .modal-header,
    #mobileLogsModal .modal-header {
        background: var(--bg-color);
        color: var(--text-color);
        border-bottom: 1px solid var(--card-border);
        padding: 1rem;
    }
    
    #mobileStatsModal .modal-header .btn-close,
    #mobileLogsModal .modal-header .btn-close {
        filter: none;
    }
    
    /* 深色模式下的關閉按鈕 */
    [data-theme="dark"] #mobileStatsModal .modal-header .btn-close,
    [data-theme="dark"] #mobileLogsModal .modal-header .btn-close {
        filter: brightness(0) invert(1);
    }
    
    #mobileStatsModal .modal-body,
    #mobileLogsModal .modal-body {
        padding: 1rem;
        overflow-y: auto;
        height: calc(100vh - 70px);
    }
    
    /* 手機版統計卡片 */
    .mobile-stats-card {
        background: var(--card-bg);
        border-radius: 12px;
        padding: 1rem;
        margin-bottom: 1rem;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        border: 1px solid var(--card-border);
    }
    
    .mobile-stats-card h6 {
        font-weight: 600;
        margin-bottom: 0.75rem;
        color: var(--text-color);
        font-size: 0.9rem;
    }
    
    .mobile-stats-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
        margin-bottom: 1rem;
    }
    
    .mobile-stat-item {
        text-align: center;
        padding: 0.75rem;
        background: var(--light-bg);
        border-radius: 8px;
    }
    
    .mobile-stat-value {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--primary-color);
        margin-bottom: 0.25rem;
    }
    
    .mobile-stat-label {
        font-size: 0.8rem;
        color: var(--text-muted);
        font-weight: 500;
    }
    
    /* 手機版節點狀態列表 */
    .mobile-node-status-list {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .mobile-node-status-item {
        background: var(--card-bg);
        border: 1px solid var(--card-border);
        border-radius: 8px;
        padding: 0.75rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .mobile-node-status-item .node-info {
        flex: 1;
    }
    
    .mobile-node-status-item .node-name {
        font-weight: 600;
        font-size: 0.9rem;
        margin-bottom: 0.25rem;
        color: var(--text-color);
    }
    
    .mobile-node-status-item .node-location {
        font-size: 0.8rem;
        color: var(--text-muted);
    }
    
    .mobile-node-status-item .status-badge {
        padding: 0.25rem 0.5rem;
        border-radius: 4px;
        font-size: 0.75rem;
        font-weight: 600;
    }
    
    .mobile-node-status-item .status-badge.online {
        background: #d4edda;
        color: #155724;
        border: 1px solid #c3e6cb;
    }
    
    .mobile-node-status-item .status-badge.offline {
        background: #f8d7da;
        color: #721c24;
        border: 1px solid #f5c6cb;
    }
}

[data-theme="dark"] .top-button,
[data-theme="dark"] .color-toggle-btn {
    background-color: var(--light-bg);
    border-color: var(--card-border);
    color: var(--text-color);
}

/* 按鈕樣式 */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* 按鈕深色模式 */
[data-theme="dark"] .btn-primary {
    background-color: var(--primary-light);
    border-color: var(--primary-light);
}

[data-theme="dark"] .btn-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

[data-theme="dark"] .btn-outline-secondary {
    color: var(--text-color);
    border-color: var(--card-border);
}

[data-theme="dark"] .btn-outline-secondary:hover {
    background-color: var(--light-bg);
    color: var(--text-color);
}

/* 節點卡片內文字強化 */
.node-card .text-dark {
    color: var(--text-color) !important;
}

.node-card .small {
    color: var(--text-muted) !important;
}

/* 中英文混合顯示優化 */
.node-card .text-muted.small {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Modal 標題中的中文副標題 */
.modal-title small {
    font-size: 0.85em;
    font-weight: normal;
    opacity: 0.8;
}

/* 位置顯示的分隔符號 */
.node-card .text-muted:has(•) {
    font-size: 0.95rem;
}

/* 主題色預設 */
:root[data-color="blue"] {
    --primary-color: #0d6efd;
    --primary-dark: #0056b3;
    --primary-light: #4dabf7;
}

:root[data-color="green"] {
    --primary-color: #28a745;
    --primary-dark: #1e7e34;
    --primary-light: #48c766;
}

:root[data-color="purple"] {
    --primary-color: #6f42c1;
    --primary-dark: #59359a;
    --primary-light: #8c68d3;
}

:root[data-color="orange"] {
    --primary-color: #fd7e14;
    --primary-dark: #dc6502;
    --primary-light: #fd9843;
}

:root[data-color="red"] {
    --primary-color: #dc3545;
    --primary-dark: #c82333;
    --primary-light: #e4606d;
}

:root[data-color="teal"] {
    --primary-color: #20c997;
    --primary-dark: #1ba47e;
    --primary-light: #4dd0a7;
}

/* 統一的按鈕基礎樣式 */
.top-button {
    position: fixed;
    top: 20px;
    z-index: 1000;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.top-button:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 主題切換按鈕 */
#themeToggle {
    right: 20px;
}

/* 統計按鈕 */
#statsBtn {
    right: 70px;
}

/* 主題色選擇器樣式 */
.color-picker {
    position: fixed;
    top: 20px;
    right: 120px;
    z-index: 1000;
}

.color-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.color-toggle-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.color-options {
    position: absolute;
    top: 50px;
    right: 0;
    background: var(--card-bg);
    padding: 8px 12px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    gap: 8px;
    align-items: center;
    animation: colorPickerSlide 0.2s ease-out;
}

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

/* 確保測試輸出不換行 */
.test-output {
    white-space: pre !important;
    word-break: normal !important;
    overflow-wrap: normal !important;
}


.color-option {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.active {
    border-color: var(--text-color);
    box-shadow: 0 0 0 2px var(--card-bg);
}

.color-option[data-color="blue"] { background-color: #0d6efd; }
.color-option[data-color="green"] { background-color: #28a745; }
.color-option[data-color="purple"] { background-color: #6f42c1; }
.color-option[data-color="orange"] { background-color: #fd7e14; }
.color-option[data-color="red"] { background-color: #dc3545; }
.color-option[data-color="teal"] { background-color: #20c997; }


/* 節點狀態指示器 */
.node-status-indicator {
    margin-left: 1.5rem;
    min-width: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.node-selection-item:has(.node-checkbox:disabled) {
    opacity: 0.6;
    background-color: var(--light-bg);
}

.node-selection-item:has(.node-checkbox:disabled) .form-check-label {
    color: var(--text-muted);
}

/* 主畫面節點狀態指示器 */
.node-card-status {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 統計面板深色主題支援 */
.modal-content {
    background-color: var(--modal-content-bg) !important;
    color: var(--text-color) !important;
    border-color: var(--card-border) !important;
}

.modal-header {
    background-color: var(--modal-content-bg) !important;
    color: var(--text-color) !important;
    border-bottom-color: var(--card-border) !important;
}

.modal-body {
    background-color: var(--modal-content-bg) !important;
    color: var(--text-color) !important;
}

.card {
    background-color: var(--card-bg) !important;
    border-color: var(--card-border) !important;
    color: var(--text-color) !important;
}

.card-header {
    background-color: var(--light-bg) !important;
    border-bottom-color: var(--card-border) !important;
    color: var(--text-color) !important;
}

.card-body {
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
}

.table {
    color: var(--text-color) !important;
    --bs-table-bg: var(--card-bg) !important;
}

.table th {
    border-bottom-color: var(--card-border) !important;
    color: var(--text-color) !important;
}

.table td {
    border-top-color: var(--card-border) !important;
    color: var(--text-color) !important;
}

.table-hover tbody tr:hover {
    background-color: var(--light-bg) !important;
}

.btn-close {
    filter: var(--bs-btn-close-filter, invert(1) grayscale(100%) brightness(200%));
}

[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* 統計面板置中顯示 */
#statsModal .modal-dialog.modal-xl {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 3.5rem);
    margin: 1.75rem auto;
    max-width: 90%;
}

@media (min-width: 1200px) {
    #statsModal .modal-dialog.modal-xl {
        max-width: 85%;
    }
}

.node-card-status .bi-circle-fill {
    font-size: 8px;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.node-card-status .spinner-border-sm {
    width: 12px;
    height: 12px;
    border-width: 1px;
}

/* 表單標籤文字 */
.form-label {
    color: var(--text-color);
    font-weight: 500;
}

[data-theme="dark"] .form-label {
    color: #d0d0d0;
}

/* Alert 深色模式樣式 */
[data-theme="dark"] .alert-info {
    background-color: rgba(100, 181, 246, 0.1);
    border-color: rgba(100, 181, 246, 0.3);
    color: var(--text-color);
}

[data-theme="dark"] .alert-info strong {
    color: #64b5f6;
}

/* 批量測試樣式 */
/* 批量測試模態框置中 */
#batchTestModal.modal.show {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

#batchTestModal .modal-dialog {
    margin: 0;
    max-width: 1140px;
    width: 90%;
}

#batchTestModal .modal-content {
    width: 100%;
}

/* 手機版批量測試模態框優化 */
@media (max-width: 768px) {
    #batchTestModal .modal-dialog {
        margin: 0;
        max-width: 100%;
        width: 100%;
        height: 100%;
    }
    
    #batchTestModal .modal-content {
        height: 100%;
        border-radius: 0;
    }
    
    #batchTestModal .modal-body {
        padding: 0;
    }
    
    #batchTestModal .modal-body > .row {
        margin: 0;
        height: 100%;
    }
    
    #batchTestModal .col-md-4 {
        padding: 1rem;
        border-bottom: 1px solid var(--card-border);
    }
    
    #batchTestModal .col-md-8 {
        padding: 1rem;
        height: auto;
    }
    
    #batchTestModal .node-selection-list {
        max-height: 200px;
        font-size: 0.875rem;
    }
    
    #batchTestModal .batch-results {
        max-height: 300px;
    }
    
    #batchTestModal .form-label {
        font-size: 0.875rem;
    }
    
    #batchTestModal .btn {
        font-size: 0.875rem;
        padding: 0.5rem 1rem;
    }
}

/* 比較模態框置中 */
#compareModal.modal.show {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

#compareModal .modal-dialog {
    margin: 0;
    width: 95vw;
    max-width: none;
}

#compareModal .modal-content {
    width: 100%;
}

/* 手機版比較模態框優化 */
@media (max-width: 768px) {
    #compareModal .modal-dialog {
        margin: 0;
        width: 100vw;
        max-width: 100%;
    }
    
    #compareModal .modal-content {
        height: 100vh;
        border-radius: 0;
    }
    
    #compareModal .modal-body {
        padding: 0.5rem;
    }
    
    #compareModal .card-header {
        font-size: 0.875rem;
        padding: 0.5rem;
    }
    
    #compareModal .card-body {
        font-size: 0.875rem;
        padding: 0.75rem;
    }
    
    #compareModal .test-output {
        font-size: 0.75rem;
        max-height: 200px;
    }
}

.node-selection-list {
    border: 1px solid var(--card-border);
    border-radius: 0.375rem;
    padding: 0.75rem;
}

.node-selection-item {
    padding: 0.5rem;
    border-radius: 0.25rem;
    transition: background-color 0.2s ease;
}

.node-selection-item .form-check {
    gap: 0.75rem;
}

.node-selection-item:hover {
    background-color: var(--light-bg);
}

.batch-results {
    max-height: 600px;
    overflow-y: auto;
}

.batch-result-item {
    border: 1px solid var(--card-border);
    border-radius: 0.375rem;
    margin-bottom: 1rem;
    background: var(--card-bg);
}

.batch-result-header {
    padding: 0.75rem 1rem;
    background: var(--light-bg);
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.batch-result-content {
    padding: 1rem;
    overflow-x: auto;
}

.batch-result-status {
    font-size: 0.875rem;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-weight: 500;
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
}

.batch-result-header .batch-result-info {
    margin-left: 6rem; /* 為狀態標籤留出空間 */
}

.status-pending {
    background-color: #ffc107;
    color: #000;
}

.status-running {
    background-color: #0dcaf0;
    color: #000;
}

.status-completed {
    background-color: #198754;
    color: #fff;
}

.status-failed {
    background-color: #dc3545;
    color: #fff;
}

/* 批量測試結果顯示模式 */
.batch-results.view-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 1rem;
}

.batch-results.view-cards .batch-result-item {
    margin-bottom: 0;
}

.batch-results.view-compare {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.batch-results.view-compare .batch-result-item {
    margin-bottom: 0;
    border-radius: 0;
    border-bottom: none;
}

.batch-results.view-compare .batch-result-item:first-child {
    border-top-left-radius: 0.375rem;
    border-top-right-radius: 0.375rem;
}

.batch-results.view-compare .batch-result-item:last-child {
    border-bottom-left-radius: 0.375rem;
    border-bottom-right-radius: 0.375rem;
    border-bottom: 1px solid var(--card-border);
}

/* 個別結果選擇功能 */
.batch-result-item.selectable {
    cursor: pointer;
    transition: all 0.2s ease;
}

.batch-result-item.selectable:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.batch-result-item.selected {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 1px rgba(13, 110, 253, 0.25);
}

.batch-result-checkbox {
    position: absolute;
    right: 0.75rem;
    top: 0.75rem;
    z-index: 10;
}

.batch-result-checkbox .form-check-input {
    width: 16px;
    height: 16px;
    margin: 0;
}


/* 比較模態框中的基本樣式 */
#compareModal .card {
    background-color: var(--card-bg);
    border-color: var(--card-border);
}

#compareModal .card-header {
    background-color: var(--light-bg);
    border-bottom-color: var(--card-border);
    color: var(--text-color);
}

#compareModal .card-body {
    background-color: var(--card-bg);
    color: var(--text-color);
}

/* 統計面板進度條樣式 */
.progress {
    background-color: var(--light-bg);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    background-color: var(--primary-color);
    transition: width 0.3s ease;
    border-radius: 4px;
}

[data-theme="dark"] .progress {
    background-color: var(--input-bg);
}

[data-theme="dark"] .progress-bar {
    background-color: var(--primary-light);
}

/* 統計卡片間距調整 */
#regionStats .d-flex,
#networkStats .d-flex {
    margin-bottom: 0.75rem;
}

#regionStats .d-flex:last-child,
#networkStats .d-flex:last-child {
    margin-bottom: 0;
}


/* 手機版優化 */
@media (max-width: 768px) {
    .batch-result-status {
        position: static;
        transform: none;
        display: inline-block;
        margin-bottom: 0.5rem;
    }
    
    .batch-result-header .batch-result-info {
        margin-left: 0;
    }
    
    .batch-result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .batch-result-checkbox {
        position: static;
        transform: none;
        margin-top: 0.5rem;
    }
    
    .batch-results.view-cards {
        grid-template-columns: 1fr;
    }
}

/* 日誌模態框樣式優化 */
#logsModal {
    z-index: 1060;
}

/* 使用情況分析模態框置中顯示（參考統計面板） */
#logsModal.modal.show {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

#logsModal .modal-dialog {
    position: relative;
    width: auto;
    margin: 1.75rem auto;
    max-width: 45%;
    min-width: 480px;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 3.5rem);
}

#logsModal.modal.show .modal-dialog {
    transform: none !important;
    margin: 0;
}

#logsModal .modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: var(--modal-content-bg);
    background-clip: padding-box;
    border: 1px solid rgba(0,0,0,.2);
    border-radius: .3rem;
    outline: 0;
    max-height: calc(100vh - 3.5rem);
}

#logsModal .modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: 0.5rem;
    overflow-y: auto;
    max-height: calc(85vh - 100px);
}

/* 修復關閉動畫 */
#logsModal.fade {
    transition: opacity .15s linear;
}

#logsModal.fade .modal-dialog {
    transition: transform .3s ease-out;
    transform: translate(0, -50px);
}

#logsModal.show .modal-dialog {
    transform: none;
}

/* 優化性能：減少重繪 */
#logsModal .table-responsive {
    will-change: scroll-position;
}

#logsModal .card-body > div[style*="max-height"] {
    will-change: scroll-position;
    -webkit-overflow-scrolling: touch;
}

/* 日誌介面空間優化 */
#logsModal .table {
    margin-bottom: 0 !important;
}

#logsModal .table td,
#logsModal .table th {
    padding: 0.375rem 0.5rem !important;
    line-height: 1.5 !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

/* 為不同欄位設定合適寬度 - 4欄版本 */
#logsModal .table th:nth-child(1),
#logsModal .table td:nth-child(1) {
    min-width: 140px;
    max-width: 160px;
}

#logsModal .table th:nth-child(2),
#logsModal .table td:nth-child(2) {
    min-width: 120px;
    max-width: 140px;
}

#logsModal .table th:nth-child(3),
#logsModal .table td:nth-child(3) {
    min-width: 100px;
    max-width: 120px;
}

#logsModal .table th:nth-child(4),
#logsModal .table td:nth-child(4) {
    min-width: 80px;
    max-width: 100px;
}

/* Tooltip 效果 */
#logsModal [title] {
    cursor: help;
    position: relative;
}

#logsModal [title]:hover {
    background-color: var(--light-bg);
    border-radius: 3px;
    transition: background-color 0.2s ease;
}

/* 確保文字不會被截斷時顯示省略號 */
#logsModal .text-truncate {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 統計面板進度條對齊優化 */
#regionStats .progress,
#networkStats .progress {
    border-radius: 4px;
    background-color: var(--light-bg);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

#regionStats .progress-bar,
#networkStats .progress-bar {
    background-color: var(--primary-color);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* 統計項目對齊 */
#regionStats .d-flex,
#networkStats .d-flex {
    min-height: 24px;
}

/* 文字長度統一 */
#regionStats .text-muted,
#networkStats .text-muted {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.8rem;
}

#logsModal .card-header {
    padding: 0.5rem 0.75rem !important;
}

#logsModal .badge {
    padding: 0.25rem 0.5rem !important;
}

/* 緊湊模式下的間距調整 */
#logsModal .row {
    margin: 0 !important;
}

#logsModal .row > * {
    padding-left: 0.5rem !important;
    padding-right: 0.5rem !important;
}

/* 防止內容太擠 */
#logsModal .table-responsive {
    font-size: 1rem !important;
}

#logsModal .card {
    overflow: hidden;
}

/* 確保按鈕不會太小 */
#logsModal .btn {
    min-width: auto !important;
    white-space: nowrap;
}

/* 日誌表格樣式優化 */
#logsModal .table thead th {
    background-color: var(--primary-color) !important;
    color: white !important;
    border: none !important;
    font-weight: 600;
    text-align: center;
}

#logsModal .table tbody td {
    vertical-align: middle;
    border-bottom: 1px solid var(--card-border);
}

/* 手機版日誌優化 */
@media (max-width: 768px) {
    #logsModal .modal-dialog {
        margin: 0.25rem;
        max-width: calc(100% - 0.5rem);
        height: calc(100vh - 0.5rem);
        max-height: calc(100vh - 0.5rem);
    }
    
    #logsModal .modal-content {
        height: 100%;
        border-radius: 8px;
        display: flex;
        flex-direction: column;
    }
    
    #logsModal .modal-header {
        padding: 0.75rem 1rem;
        background: var(--primary-color);
        color: white;
        border-bottom: none;
        flex-shrink: 0;
    }
    
    #logsModal .modal-header .modal-title {
        font-size: 1rem;
        font-weight: 600;
    }
    
    #logsModal .modal-header .btn-close {
        filter: brightness(0) invert(1);
        margin: 0;
        padding: 0.5rem;
    }
    
    #logsModal .modal-body {
        padding: 0.75rem;
        font-size: 1rem;
        flex: 1;
        overflow-y: auto;
    }
    
    #logsModal .modal-footer {
        padding: 0.5rem 1rem;
        border-top: 1px solid var(--card-border);
        flex-shrink: 0;
    }
    
    /* 統計概覽手機版 */
    #logsModal .row .col-3 {
        margin-bottom: 0.5rem;
        padding: 0 0.5rem;
    }
    
    #logsModal .row .col-3 > div {
        padding: 0.5rem;
        font-size: 0.875rem;
    }
    
    #logsModal .row .col-3 h5 {
        font-size: 1.25rem;
        margin-bottom: 0.25rem;
    }
    
    #logsModal .row .col-3 small {
        font-size: 0.875rem;
    }
    
    /* 卡片間距調整 */
    #logsModal .card {
        margin-bottom: 0.75rem;
        border-radius: 8px;
    }
    
    #logsModal .card-header {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }
    
    #logsModal .card-body {
        padding: 0;
    }
    
    /* 表格優化 */
    #logsModal .table {
        font-size: 0.875rem;
        margin-bottom: 0;
    }
    
    #logsModal .table th {
        padding: 0.5rem 0.375rem;
        font-size: 0.875rem;
        font-weight: 600;
    }
    
    #logsModal .table td {
        padding: 0.375rem 0.375rem;
        vertical-align: middle;
        line-height: 1.5;
    }
    
    /* 節點表格特殊調整 */
    #logsModal .table td .fw-bold {
        font-size: 0.875rem;
        line-height: 1.5;
    }
    
    #logsModal .table td small {
        font-size: 0.75rem;
        display: block;
        margin-top: 0.25rem;
    }
    
    /* 徽章大小調整 */
    #logsModal .badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    
    /* 按鈕組優化 */
    #logsModal .card-header .btn-sm {
        font-size: 0.875rem;
        padding: 0.375rem 0.75rem;
        margin-left: 0.5rem;
    }
    
    /* 最近活動表格特殊處理 */
    #logsModal .card:last-child .table td {
        font-size: 0.875rem;
    }
    
    /* 滾動區域優化 */
    #logsModal .card-body > div[style*="max-height"] {
        max-height: 150px !important;
    }
    
    /* 手機版日誌模態框 */
    #logsModal .modal-dialog {
        max-width: 90% !important;
        min-width: auto !important;
        margin: 0.5rem auto !important;
    }
    
    #logsModal .modal-body {
        padding: 0.75rem !important;
    }
    
    #logsModal .row .col-3 {
        padding: 0.5rem !important;
    }
    
    #logsModal .card {
        margin-bottom: 0.5rem !important;
    }
}

/* 模態框背景模糊效果 */
.modal-backdrop.show {
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

/* === 日誌標籤切換按鈕樣式 === */

/* 桌面版日誌標籤 */
.active-log-tab {
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(13, 110, 253, 0.2);
}

.active-log-tab:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(13, 110, 253, 0.3);
}

/* 手機版日誌標籤 */
.active-mobile-log-tab {
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(13, 110, 253, 0.2);
}

.active-mobile-log-tab:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 6px rgba(13, 110, 253, 0.3);
}

/* 日誌內容區域切換動畫 */
.log-content-section {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.log-content-section[style*="display: none"] {
    opacity: 0;
    transform: translateY(10px);
}

.mobile-log-section {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.mobile-log-section[style*="display: none"] {
    opacity: 0;
    transform: translateY(10px);
}

/* 優化日誌標籤按鈕間距 */
#showPopularTargets,
#showRecentTests,
#mobileShowRecentTests,
#mobileShowPopularTargets {
    border-radius: 6px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* 按鈕組整體樣式 */
.card-header .d-flex .d-flex {
    gap: 8px !important;
}

/* 手機版日誌按鈕組 */
.mobile-stats-card .d-flex .d-flex {
    gap: 8px !important;
}

/* 響應式調整 */
@media (max-width: 576px) {
    #showPopularTargets,
    #showRecentTests {
        font-size: 0.7rem !important;
        padding: 0.2rem 0.4rem !important;
    }
    
    #mobileShowRecentTests,
    #mobileShowPopularTargets {
        font-size: 0.75rem !important;
        padding: 0.25rem 0.5rem !important;
    }
}

/* === 熱門目標名次徽章樣式 === */

/* 名次徽章簡單樣式 */
.badge[style*="font-size: 0.7rem"],
.badge[style*="font-size: 0.8rem"] {
    font-weight: 600;
    min-width: 1.8rem;
    text-align: center;
}

/* 手機版熱門目標項目樣式優化 */
.mobile-node-status-item > div[style*="display: flex"] {
    align-items: center;
}

/* 熱門目標表格名次欄位寬度 */
th[style*="width: 50px"] {
    white-space: nowrap;
}

/* === 手機版詳細資訊模態框樣式 === */

.mobile-info-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--card-border);
}

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

.mobile-info-section h6 {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.mobile-contact-list,
.mobile-link-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mobile-contact-item,
.mobile-link-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--light-bg);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.2s ease;
}

.mobile-contact-item:hover,
.mobile-link-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(13, 110, 253, 0.3);
}

.mobile-contact-item i,
.mobile-link-item i {
    font-size: 1.2rem;
    width: 1.5rem;
    text-align: center;
    flex-shrink: 0;
}

.mobile-contact-item span,
.mobile-link-item span {
    font-weight: 500;
    flex: 1;
}

/* 手機版Footer優化 */
@media (max-width: 768px) {
    footer {
        padding: 2rem 1rem !important;
        margin-top: 2rem !important;
    }
    
    footer .container {
        padding: 0 !important;
    }
    
    footer .row {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    footer .col-md-6,
    footer .col-md-3 {
        width: 100%;
        padding: 0;
    }
    
    footer h2 {
        font-size: 1.1rem !important;
        margin-bottom: 0.75rem !important;
    }
    
    footer p {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    footer ul {
        margin-bottom: 0;
    }
    
    footer ul li {
        margin-bottom: 0.5rem !important;
    }
    
    footer ul li a {
        font-size: 0.9rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    footer hr {
        margin: 1.5rem 0 !important;
    }
    
    footer .text-center small {
        font-size: 0.8rem;
        line-height: 1.4;
    }
}