ui/theme.py

# ui/theme.py
# ui/theme.py

def get_enhanced_css() -> str:
    return """
    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800&family=JetBrains+Mono:wght@400;700&display=swap" rel="stylesheet">
    <style>
    /* ============= CSS Variables ============= */
    :root {
        --primary-color: #6366f1;
        --primary-dark: #4f46e5;
        --secondary-color: #10b981;
        --accent-color: #f59e0b;
        --danger-color: #ef4444;
        --glass-bg: rgba(255, 255, 255, 0.7);
        --glass-border: 1px solid rgba(255, 255, 255, 0.5);
        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --radius-xl: 20px;
        --font-main: 'Inter', sans-serif;
    }

    /* ============= Base Styles ============= */
    body, .gradio-container {
        font-family: var(--font-main) !important;
        background: #f8fafc !important;
    /* ⭐ 新增以下兩行：強制鎖定高度，解決 HF Space 捲動問題 ⭐ */
        height: 100vh !important;       /* 高度限制為視窗大小 */
        overflow-y: auto !important;    /* 超出範圍時，在內部產生捲軸 */
    }

    * { box-sizing: border-box; }

    /* ============= 1. Header (保留 Backup 樣式) ============= */
    .app-header-container {
        align-items: center !important;
        margin-bottom: 24px !important;
        padding: 16px 24px !important;
        background: rgba(255, 255, 255, 0.8) !important;
        backdrop-filter: blur(12px) !important;
        -webkit-backdrop-filter: blur(12px) !important;
        border-radius: var(--radius-lg) !important;
        border: 1px solid rgba(255, 255, 255, 0.5) !important;
        box-shadow: var(--shadow-md) !important;
    }

    .app-header-left {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .header-controls {
        position: fixed !important;       /* 固定定位 */
        top: 30px !important;             /* 距離頂部 */
        right: 30px !important;           /* 距離右側 */
        z-index: 99999 !important;        /* 最上層 */
        
        display: flex !important;
        flex-direction: column !important; /* 🔥 關鍵：改為垂直排列 */
        gap: 12px !important;             /* 按鈕間距 */
        align-items: center !important;   /* 水平置中 */
        
        /* 視覺優化：垂直膠囊 */
        background: rgba(255, 255, 255, 0.9) !important;
        backdrop-filter: blur(12px) !important;
        padding: 12px 8px !important;     /* 上下寬鬆，左右緊湊 */
        border-radius: 50px !important;   /* 大圓角 */
        border: 1px solid rgba(255, 255, 255, 0.6) !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
        
        width: auto !important;
        min-width: 0 !important;
        height: auto !important;
    }

    /* 按鈕微調 (確保按鈕是圓的) */
    .header-btn {
        min-width: 40px !important;
        max-width: 40px !important;
        height: 40px !important;
        font-size: 1.1rem !important;
        margin: 0 !important;
    }

    .header-btn:hover {
        background: #f1f5f9 !important;
        border-color: var(--primary-color) !important;
        color: var(--primary-color) !important;
        transform: translateY(-2px) !important;
        box-shadow: var(--shadow-md) !important;
    }

    .header-btn:active {
        transform: translateY(0) !important;
    }
    
    /* ============= 2. Animations & Agent Cards (保留 Backup 樣式) ============= */
    @keyframes breathing-glow {
        0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.6), 0 0 20px rgba(99, 102, 241, 0.3); border-color: #6366f1; }
        50% { box-shadow: 0 0 0 8px rgba(99, 102, 241, 0), 0 0 30px rgba(99, 102, 241, 0.5); border-color: #818cf8; }
        100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0), 0 0 20px rgba(99, 102, 241, 0.3); border-color: #6366f1; }
    }

    @keyframes pulse-scale {
        0%, 100% { transform: scale(1); }
        50% { transform: scale(1.03); }
    }

    /* Agent Grid (用於 Step 3 的 Agent 卡片基礎) */
    .agent-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 12px;
        margin-top: 10px;
    }

    .agent-card-mini {
        background: white;
        padding: 12px;
        border-radius: var(--radius-md);
        border: 2px solid #e2e8f0;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        position: relative;
        overflow: hidden;
    }

    .agent-card-mini.working {
        animation: breathing-glow 2s ease-in-out infinite !important;
        background: linear-gradient(135deg, #ffffff 0%, #eff6ff 100%) !important;
        border-width: 2px !important;
        z-index: 10 !important;
        position: relative !important;
    }

    .agent-card-mini.working::before {
        content: '';
        position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
        background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
        animation: pulse-scale 2s ease-in-out infinite;
    }

    .agent-card-mini:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
    .agent-avatar-mini { font-size: 28px; margin-bottom: 6px; position: relative; z-index: 1; }
    .agent-name-mini { font-weight: 600; font-size: 0.85rem; color: #1e293b; position: relative; z-index: 1; }
    .agent-status-dot { height: 8px; width: 8px; border-radius: 50%; display: inline-block; margin-top: 6px; position: relative; z-index: 1; }

    /* ============= 3. Chat & Tasks (保留 Backup 樣式) ============= */
    .chat-history {
        display: flex; flex-direction: column; gap: 16px; padding: 20px;
        background: #fff; border-radius: var(--radius-lg); border: 1px solid #e2e8f0;
        max-height: 500px; overflow-y: auto;
    }
    .chat-message { display: flex; align-items: flex-end; gap: 10px; max-width: 85%; animation: fade-in 0.3s ease-out; }
    .chat-message.user { align-self: flex-end; flex-direction: row-reverse; }
    .chat-message.assistant { align-self: flex-start; }
    .chat-bubble { padding: 12px 16px; border-radius: 18px; font-size: 0.95rem; line-height: 1.5; position: relative; box-shadow: var(--shadow-sm); }
    .chat-message.user .chat-bubble { background: var(--primary-color); color: white; border-bottom-right-radius: 4px; }
    .chat-message.assistant .chat-bubble { background: #f1f5f9; color: #334155; border-bottom-left-radius: 4px; }
    .chat-time { font-size: 0.7rem; opacity: 0.7; margin-top: 4px; text-align: right; }

    /* Task Cards */
    .task-card-item {
        background: white;
        border: 1px solid #e2e8f0;
        border-radius: 12px;
        padding: 16px;
        margin-bottom: 12px;
        transition: transform 0.2s;
    }
    .task-card-item:hover {
        border-color: var(--primary-color);
        transform: translateY(-2px);
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    }

    /* ============= 4. Timeline Redesign (Step 4 修正) ============= */
    .timeline-container {
        position: relative;
        padding: 10px 0 10px 20px;
        margin-top: 10px;
    }

    /* 垂直連接線 */
    .timeline-container::before {
        content: '';
        position: absolute;
        left: 29px;
        top: 20px;
        bottom: 20px;
        width: 2px;
        background: #e2e8f0;
        z-index: 0;
    }

    /* 時間軸項目 - 強制橫排 */
    .timeline-item {
        position: relative;
        display: flex !important;
        flex-direction: row !important;
        gap: 20px;
        margin-bottom: 24px;
        z-index: 1;
        align-items: stretch;
    }

    /* 左側圓點 */
    .timeline-left {
        display: flex;
        flex-direction: column;
        align-items: center;
        min-width: 20px;
        padding-top: 4px;
    }

    .timeline-marker {
        width: 20px;
        height: 20px;
        border-radius: 50%;
        background: white;
        border: 4px solid var(--primary-color);
        box-shadow: 0 0 0 4px #fff;
        z-index: 2;
    }

    /* 右側卡片 */
    .timeline-card {
        flex: 1;
        background: white !important;
        border: 1px solid #e2e8f0 !important;
        border-radius: 12px !important;
        padding: 16px !important;
        box-shadow: 0 1px 2px rgba(0,0,0,0.05) !important;
        transition: transform 0.2s, box-shadow 0.2s;
        display: block !important;
    }

    .timeline-card:hover {
        transform: translateX(4px);
        box-shadow: 0 4px 6px rgba(0,0,0,0.05) !important;
        border-color: var(--primary-color) !important;
    }

    .timeline-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        margin-bottom: 8px;
        gap: 10px;
    }

    .timeline-location { font-size: 1rem; font-weight: 700; color: #1e293b; line-height: 1.3; }

    .timeline-time-badge {
        background: #f1f5f9; color: #64748b; font-size: 0.75rem; font-weight: 600;
        padding: 4px 10px; border-radius: 20px; white-space: nowrap; display: flex; align-items: center; gap: 4px;
    }

    .timeline-meta {
        display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: #64748b;
        background: #f8fafc; padding: 8px; border-radius: 8px; margin-top: 8px;
    }

    .timeline-item:first-child .timeline-marker { border-color: #10b981 !important; }
    .timeline-item:last-child .timeline-marker { border-color: #ef4444 !important; }

    /* ============= 5. Step 3 War Room (新樣式) ============= */
    .live-report-wrapper {
        flex: 1;
        background: white;
        border: 1px solid #e2e8f0;
        border-radius: 16px;
        padding: 30px;
        min-height: 600px;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    }

    .report-title {
        font-size: 1.2rem; font-weight: 700; color: #1e293b;
        margin-bottom: 16px; display: flex; align-items: center; gap: 8px;
        border-bottom: 2px solid #f1f5f9; padding-bottom: 12px;
    }

    .war-room-wrapper {
        width: 450px; flex-shrink: 0; display: flex; flex-direction: column; gap: 20px; position: sticky; top: 20px;
    }

    .agent-war-room {
        background: white; border-radius: 16px; border: 1px solid #e2e8f0; padding: 24px;
        display: flex; flex-direction: column; align-items: center; box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    }

    .org-chart { width: 100%; display: flex; flex-direction: column; align-items: center; gap: 20px; }
    .org-level { display: flex !important; flex-direction: row !important; flex-wrap: wrap; justify-content: center; gap: 12px; width: 100%; z-index: 2; }
    .connector-line { width: 2px; height: 20px; background: #cbd5e1; }
    .connector-horizontal { height: 2px; width: 80%; background: #cbd5e1; margin-top: -20px; margin-bottom: 10px; }

    /* Step 3 的 Agent Card (複用 mini card 但調整寬度) */
    .agent-card-wrap { width: 110px; text-align: center; display: flex; flex-direction: column; align-items: center; }
    .agent-card-inner {
        background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 10px; padding: 10px;
        display: flex; flex-direction: column; align-items: center; width: 100%; transition: transform 0.2s;
    }
    .agent-card-wrap.working .agent-card-inner {
        background: white; border-color: #6366f1;
        box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15); animation: pulse 2s infinite;
    }
    .agent-avatar { font-size: 24px; margin-bottom: 4px; }
    .agent-name { font-weight: 700; font-size: 0.8rem; color: #1e293b; }
    .agent-role { font-size: 0.65rem; color: #64748b; text-transform: uppercase; }
    .status-badge { font-size: 0.65rem; padding: 2px 6px; border-radius: 8px; background: #e2e8f0; color: #64748b; margin-top: 4px; }
    .agent-card-wrap.working .status-badge { background: #e0e7ff; color: #6366f1; }

    /* ============= 6. Utils & Layouts ============= */
    .step-container { max-width: 1400px; margin: 0 auto; padding: 0 16px; animation: fade-in 0.4s ease-out; }
    .centered-input-container { max-width: 1000px !important; margin: 0 auto; padding: 40px 0; }

    .panel-container { background: white; border: 1px solid #e2e8f0; border-radius: 16px; height: 650px !important; display: flex !important; flex-direction: column !important; overflow: hidden; }
    .panel-header { padding: 16px 20px; background: #f8fafc; border-bottom: 1px solid #e2e8f0; font-weight: 700; color: var(--text-main); flex-shrink: 0; }
    .scrollable-content { flex: 1; overflow-y: auto !important; padding: 20px; background: #fff; }

    .chat-input-row { padding: 12px !important; border-top: 1px solid #e2e8f0; background: white; align-items: center !important; }

    .split-view-container { display: flex; gap: 24px; height: calc(100vh - 140px); min-height: 600px; }
    .split-left-panel { flex: 1; position: sticky; overflow-y: auto; }
    .split-right-panel { flex: 2; position: sticky; top: 100px; height: 100%; }

    /* Animations */
    @keyframes fade-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
    @keyframes slide-in-left { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
    @keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4); } 70% { box-shadow: 0 0 0 6px rgba(0,0,0,0); } 100% { box-shadow: 0 0 0 0 rgba(0,0,0,0); } }

    /* Scrollbar */
    ::-webkit-scrollbar { width: 6px; height: 6px; }
    ::-webkit-scrollbar-track { background: #f1f5f9; border-radius: 4px; }
    ::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
    ::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

    /* Dark Mode Support */
    .theme-dark body, .theme-dark .gradio-container { background: #0f172a !important; }
    .theme-dark .app-header-container, .theme-dark .chat-history, .theme-dark .timeline-card, .theme-dark .metric-card, .theme-dark .agent-card-mini, .theme-dark .agent-card-inner, .theme-dark .live-report-wrapper, .theme-dark .agent-war-room, .theme-dark .task-card-item {
        background: #1e293b !important; border-color: #334155 !important; color: #e2e8f0 !important;
    }
    .theme-dark h1, .theme-dark h2, .theme-dark h3, .theme-dark p, .theme-dark span, .theme-dark .agent-name { color: #e2e8f0 !important; }
    .theme-dark .chat-message.assistant .chat-bubble { background: #334155 !important; color: #e2e8f0 !important; }
    .theme-dark .agent-name-mini, .theme-dark .metric-card h3 { color: #cbd5e1 !important; }

    /* Step 1 Log */
    .agent-stream-box-step1 {
        background: #f8fafc; border-radius: 8px; padding: 12px; border: 1px solid #e2e8f0;
        min-height: 60px; max-height: 150px; overflow-y: auto; font-family: monospace; font-size: 0.9rem;
        margin-bottom: 16px; margin-top: 10px;
    }

    /* ============= 新版 Quick Start Buttons ============= */
    
    /* 容器稍微給點間距 */
    .example-container {
        gap: 8px !important;
        margin-bottom: 16px !important;
    }

    /* 把按鈕偽裝成卡片列表 */
    .example-btn {
        text-align: left !important;        /* 文字靠左 */
        justify-content: flex-start !important; /* Flex 內容靠左 */
        height: auto !important;            /* 高度自動 */
        white-space: normal !important;     /* ⭐ 允許換行 */
        word-break: break-word !important;  /* 長字換行 */
        padding: 12px 16px !important;
        background: #f8fafc !important;
        border: 1px solid #e2e8f0 !important;
        color: #475569 !important;
        font-weight: 400 !important;        /* 字體不要太粗 */
    }

    .example-btn:hover {
        background: white !important;
        border-color: var(--primary-color) !important;
        color: var(--primary-color) !important;
        box-shadow: 0 4px 6px rgba(0,0,0,0.05) !important;
        transform: translateY(-1px);
    }
    
    /* ============= 設定彈窗 (Settings Modal) ============= */

    /* 1. 全螢幕遮罩層 (Overlay) */
    .modal-overlay {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        background: rgba(0, 0, 0, 0.6) !important; /* 半透明黑色背景 */
        backdrop-filter: blur(4px) !important;      /* 背景模糊效果 */
        z-index: 100000 !important;                 /* 必須比 Header 的 99999 還大 */
        display: flex !important;
        align-items: center !important;             /* 垂直置中 */
        justify-content: center !important;         /* 水平置中 */
        padding: 20px !important;
    }

    /* 2. 彈窗本體 (Modal Box) */
    .modal-box {
        background: white !important;
        border-radius: 24px !important;
        box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25) !important;
        border: 1px solid rgba(255, 255, 255, 0.6) !important;
        overflow: hidden !important;
        
        /* 🔥 寬度加大，讓橫向空間更舒服 */
        max-width: 600px !important; 
        width: 100% !important;
        
        display: flex !important;
        flex-direction: column !important;
        max-height: 90vh !important; /* 最大高度放寬到 90% 視窗高度 */
    }

    /* 2. 內容區域 */
    .modal-content {
        padding: 0 24px 10px 24px !important;
        overflow-y: auto !important;
        flex-grow: 1 !important;
        
        /* 🔥🔥🔥 關鍵修正：最小高度加大 🔥🔥🔥 */
        /* 原本 300px -> 改為 500px，確保所有欄位都能直接顯示不用捲動 */
        min-height: 500px !important; 
    }

    /* 3. Footer (保持不變) */
    .modal-footer {
        background: #f8fafc !important;
        padding: 20px 24px !important;
        border-top: 1px solid #f1f5f9 !important;
        gap: 12px !important;
        flex-shrink: 0 !important;
        height: auto !important;
        display: flex !important;
        align-items: center !important;
    }
    
    .modal-title h3 {
        font-size: 1.5rem !important;
        font-weight: 800 !important;
        background: linear-gradient(135deg, #4f46e5, #9333ea); /* 藍紫漸層 */
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        margin-bottom: 4px !important;
    }
    
    .tab-desc p {
        font-size: 0.9rem !important;
        color: #64748b !important;
        margin-bottom: 16px !important;
    }
    
    /* 3. 輸入框美化 (移除預設的生硬邊框) */
    .modern-input textarea, .modern-input input {
        background-color: #f8fafc !important;
        border: 1px solid #e2e8f0 !important;
        border-radius: 12px !important;
        padding: 10px 14px !important;
        transition: all 0.2s ease;
        font-size: 0.95rem !important;
    }

    .modern-input textarea:focus, .modern-input input:focus {
        background-color: white !important;
        border-color: #6366f1 !important;
        box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1) !important;
    }
    
    /* 4. Dropdown 美化 & 修復寬度問題 */
    .modern-dropdown .wrap-inner {
        background-color: #f8fafc !important;
        border-radius: 12px !important;
        border: 1px solid #e2e8f0 !important;
    }
    
    /* 修復文字被切斷的問題 */
    #provider-dropdown {
        min-width: 150px !important; /* 強制最小寬度 */
    }
    
    /* 5. 按鈕美化 */
    .modal-footer {
        background: #f8fafc !important;
        padding: 20px 24px !important;
        border-top: 1px solid #f1f5f9 !important;
        gap: 12px !important;
    }

    /* Cancel 按鈕：柔和灰 */
    .btn-cancel {
        background: white !important;
        border: 1px solid #e2e8f0 !important;
        color: #64748b !important;
        border-radius: 10px !important;
        font-weight: 500 !important;
    }
    .btn-cancel:hover {
        background: #f1f5f9 !important;
        color: #334155 !important;
    }

    /* Save 按鈕：品牌漸層紫 (取代橘色) */
    #btn-save-config {
        background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%) !important;
        border: none !important;
        color: white !important;
        border-radius: 10px !important;
        font-weight: 600 !important;
        box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.3) !important;
        transition: transform 0.1s !important;
    }

    #btn-save-config:hover {
        opacity: 0.95 !important;
        box-shadow: 0 6px 10px -1px rgba(99, 102, 241, 0.4) !important;
        transform: translateY(-1px) !important;
    }
    
    #btn-save-config:active {
        transform: translateY(0) !important;
    }

    /* 2. 內容區域：設定最小高度，並讓它吃掉剩餘空間 */
    .modal-content {
        padding: 0 24px 10px 24px !important;
        overflow-y: auto !important;
        flex-grow: 1 !important;     /* 🔥 關鍵：佔據剩餘空間 */
        min-height: 300px !important; /* 🔥 關鍵：設定最小高度，防止內容太少時視窗縮成一團 */
    }

    /* 3. Footer：固定高度，不要拉伸 */
    .modal-footer {
        background: #f8fafc !important;
        padding: 20px 24px !important;
        border-top: 1px solid #f1f5f9 !important;
        gap: 12px !important;
        
        /* 🔥 關鍵：防止 Footer 被拉高 */
        flex-shrink: 0 !important; 
        height: auto !important;
        display: flex !important;
        align-items: center !important; /* 垂直置中，防止按鈕變形 */
    }

    /* 彈出動畫 */
    @keyframes modal-pop {
        0% { transform: scale(0.95) translateY(10px); opacity: 0; }
        100% { transform: scale(1) translateY(0); opacity: 1; }
    }
    
    /* ============= API Key 佈局優化 ============= */
    
    /* 1. 縮小左右欄位的間距 (原本約 20px -> 改為 6px) */
    .api-row {
        gap: 6px !important;
    }

    /* 2. 修正 Dropdown 在窄欄位時文字被切斷的問題 */
    #provider-dropdown .wrap-inner {
        padding-right: 25px !important; /* 預留空間給箭頭 */
    }
    
    #provider-dropdown input {
        text-overflow: ellipsis !important;
        min-width: 0 !important;
    }
    
    /* 讓 Dropdown 的選單箭頭不要擠到文字 */
    #provider-dropdown svg {
        margin-right: -5px !important;
    }
    .agent-war-room {
        background: white !important;           /* 強制純白不透明 */
        border: 1px solid #cbd5e1 !important;   /* 加深邊框顏色 */
        border-radius: 16px !important;
        padding: 24px !important;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1) !important; /* 加強陰影 */
        opacity: 1 !important;
    }

    /* 2. Agent 小卡片：確保它是獨立的實體 */
    .agent-card-inner {
        background: #f8fafc !important;         /* 淺灰底色，區分層次 */
        border: 1px solid #cbd5e1 !important;   /* 明顯的邊框 */
        border-radius: 12px !important;
        opacity: 1 !important;                  /* 拒絕透明 */
        box-shadow: 0 2px 4px rgba(0,0,0,0.05) !important;
        transition: all 0.2s !important;
    }

    /* 3. 正在工作的卡片：亮起來 */
    .agent-card-wrap.working .agent-card-inner {
        background: white !important;
        border-color: #6366f1 !important;       /* 亮紫色邊框 */
        box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2) !important; /* 發光效果 */
    }

    /* 4. ⭐ 關鍵：文字顏色強制矯正 ⭐ */
    /* 不管外面主題怎麼變，這裡的字一定要是深色的 */
    .agent-name { 
        color: #0f172a !important;   /* 深黑藍色 */
        font-weight: 700 !important;
        font-size: 0.85rem !important;
        opacity: 1 !important;
    }

    .agent-role { 
        color: #475569 !important;   /* 深灰色 */
        font-weight: 600 !important;
        opacity: 1 !important;
    }

    .status-badge {
        color: #334155 !important;
        background: #e2e8f0 !important;
        border: 1px solid #cbd5e1 !important;
        font-weight: 600 !important;
        opacity: 1 !important;
    }

    /* 工作的狀態標籤 */
    .agent-card-wrap.working .status-badge {
        background: #e0e7ff !important;
        color: #4338ca !important;
        border-color: #818cf8 !important;
    }

    /* 連接線也要加深，不然看不到 */
    .connector-line, .connector-horizontal {
        background: #94a3b8 !important; /* 加深灰色 */
        opacity: 0.6 !important;
    }
    
    .tabs > .tab-nav > button {
        color: #64748b !important;
        font-weight: 500 !important;
    }

    /* 選中的 Tab：品牌紫色 + 紫色底線 */
    .tabs > .tab-nav > button.selected {
        color: #6366f1 !important;           /* 文字變紫 */
        border-bottom-color: #6366f1 !important; /* 底線變紫 */
        border-bottom-width: 2px !important;
        font-weight: 700 !important;
    }
    
    .api-status-msg p {
        font-size: 0.8rem !important;
        margin-top: 6px !important;
        margin-left: 8px !important;
        font-weight: 600 !important;
        font-family: 'Inter', sans-serif !important;
        color: #64748b; /* 預設灰色 */
    }
    
    /* 讓輸入框和狀態訊息之間更緊湊 */
    .api-status-msg {
        min-height: 20px !important; /* 預留高度防止跳動 */
    }
    
    </style>
    """