:root {
    /* 預設背景 (Dark) */
    --bg-color: #0d1117; --sidebar-color: #161b22; --card-bg: #21262d; 
    --text-main: #c9d1d9; --text-muted: #8b949e; --border-color: #30363d;
    --sidebar-width: 280px;
    
    /* 預設配色 (Ocean Blue) */
    --accent-color: #58a6ff; 
    --accent-glow: rgba(88, 166, 255, 0.5);
    --accent-soft: rgba(88, 166, 255, 0.1);
    --brand-color: var(--accent-color);
    
    /* 語意色彩 (Semantic Colors) */
    --success-color: #238636; 
    --danger-color: #da3633;
}

/* 背景切換邏輯 (Light Mode) */
body.light-mode {
    --bg-color: #f6f8fa; --sidebar-color: #ffffff; --card-bg: #ffffff; 
    --text-main: #1f2328; --text-muted: #57606a; --border-color: #d0d7de;
}

/* 六種配色氛圍 - 修正對比度與文字清晰度 */
body.theme-gold   { --accent-color: #f2aa1f; --accent-glow: rgba(242, 170, 31, 0.5); --accent-soft: rgba(242, 170, 31, 0.1); }
body.theme-pink   { --accent-color: #ff66b3; --accent-glow: rgba(255, 102, 179, 0.5); --accent-soft: rgba(255, 102, 179, 0.1); }
body.theme-green  { --accent-color: #2ecc71; --accent-glow: rgba(46, 204, 113, 0.5); --accent-soft: rgba(46, 204, 113, 0.1); }
body.theme-red    { --accent-color: #ff4d4d; --accent-glow: rgba(255, 77, 77, 0.5); --accent-soft: rgba(255, 77, 77, 0.1); }
body.theme-purple { --accent-color: #bd93f9; --accent-glow: rgba(189, 147, 249, 0.5); --accent-soft: rgba(189, 147, 249, 0.1); }
body.theme-default{ --accent-color: #58a6ff; --accent-glow: rgba(88, 166, 255, 0.5); --accent-soft: rgba(88, 166, 255, 0.1); }

/* 全局文字色彩應對 - 確保 active 項目的高亮感 */
.nav-item { color: var(--text-muted); transition: all 0.2s; }
.nav-item.active { color: var(--accent-color); background: var(--accent-soft); font-weight: 800; border-right: 3px solid var(--accent-color); }
.nav-item:hover { color: var(--text-main); background: var(--accent-soft); }

#theme-toggle {
    transition: all 0.3s;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
}
body.light-mode #theme-toggle { background: #eee; border-color: #ccc; }
* { margin: 0; padding: 0; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Tahoma", sans-serif; }
body { 
    background-color: var(--bg-color); 
    color: var(--text-main); 
    min-height: 100vh; 
    display: block; /* 改為塊級佈局，確保高度可由內容撐開 */
    transition: background-color 0.3s, color 0.3s; 
    overflow-x: hidden; 
    overflow-y: scroll !important; /* 強制啟動瀏覽器原生捲軸 */
}

.sidebar {
    width: 260px;
    background: var(--sidebar-color);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed; /* 始終固定於左側 */
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 1001; /* 確保在最上層 */
    height: 100vh;
    flex-shrink: 0;
    overflow-y: auto;
}

.sidebar-nav-container {
    flex: 1; /* 佔滿剩餘高度 */
    overflow-y: auto !important; /* 核心修正：僅在此層級允許垂直捲動 */
    overflow-x: hidden;
    padding-bottom: 3rem; /* 增加底部緩衝 */
}

.brand { 
    flex-shrink: 0; /* 確保 logo 區不被壓縮 */
    padding: 2rem 1.8rem;
    font-size: 1.25rem; 
    font-weight: 800; 
    color: var(--brand-color, var(--accent-color)); 
    display: flex; 
    align-items: center; 
    gap: 12px; 
    letter-spacing: 0.5px; 
}

/* 側邊欄滾動條優化 - 視覺強化補丁 */
.sidebar-nav-container::-webkit-scrollbar {
    width: 8px;
}
.sidebar-nav-container::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 10px;
    opacity: 0.5;
}
.sidebar-nav-container::-webkit-scrollbar-thumb:hover {
    background: var(--brand-color);
}
.sidebar-nav-container::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.1);
}

.brand { font-size: 1.25rem; font-weight: 800; color: var(--brand-color, var(--accent-color)); margin-bottom: 2.5rem; display: flex; align-items: center; gap: 12px; padding: 0 1.8rem; letter-spacing: 0.5px; }
.logo-box { width: 34px; height: 34px; background: var(--brand-color, var(--accent-color)); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #0d1117; font-size: 1.2rem; font-weight: 900; }
.nav-menu { list-style: none; display: flex; flex-direction: column; }
.nav-item { padding: 16px 28px; cursor: pointer; transition: 0.2s; color: var(--text-muted); font-weight: 600; display: flex; align-items: center; gap: 18px; font-size: 0.95rem; border-left: 4px solid transparent; }
.nav-item:hover { background: rgba(255,255,255,0.03); color: #fff; }
.nav-item.active { background: rgba(88, 166, 255, 0.08); color: var(--accent-color); border-left-color: var(--accent-color); }
.nav-separator { height: 1px; background: var(--border-color); margin: 20px 25px; }

.main-content { 
    margin-left: 260px; /* 給側邊欄留空間 */
    padding: 2.5rem; 
    padding-bottom: 12rem; /* 再度增加墊高空間 */
    display: flex; 
    flex-direction: column; 
    background: var(--bg-color); 
    position: relative; 
    min-width: 0; 
    min-height: 100vh;
}

/* 頂部 Header 在捲動時固定懸浮 (選配，但對體驗極佳) */
.top-header {
    position: sticky;
    top: 0;
    background: var(--bg-color);
    z-index: 1000;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

/* 全域滾動條顯化 - V21 補丁 (原生佈局優化) */
::-webkit-scrollbar {
    width: 12px; /* 稍微加寬捲軸方便抓取 */
}
::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--brand-color);
}
::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.05);
}
.view-section { display: none; flex: 1; min-width: 0; }
.view-section.active { display: flex !important; flex-direction: column; animation: fadeIn 0.3s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; } }

.top-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2.5rem; position: relative; z-index: 900; }

.user-popover { position: fixed; top: 85px; right: 2.5rem; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 14px; width: 240px; box-shadow: 0 12px 40px rgba(0,0,0,0.6); padding: 1.5rem; display: none; flex-direction: column; z-index: 99999; }
.user-popover.active { display: flex !important; }

.stat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.5rem; margin-bottom: 2rem; }
.stat-card { background: var(--card-bg); border-radius: 12px; border: 1px solid var(--border-color); padding: 1.8rem; display: flex; flex-direction: column; justify-content: center; align-items: center; transition: 0.2s; }
.stat-card:hover { border-color: var(--accent-color); }

.gauge-container { position: relative; width: 140px; height: 80px; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; }
.gauge-svg { width: 100%; height: 100%; }
.gauge-bg { fill: none; stroke: var(--border-color); stroke-width: 10; stroke-linecap: round; }
.gauge-fill { fill: none; stroke: var(--accent-color); stroke-width: 10; stroke-linecap: round; stroke-dasharray: 125.66; stroke-dashoffset: 125.66; transition: stroke-dashoffset 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.gauge-label { position: absolute; bottom: 0; font-size: 1.3rem; font-weight: 900; color: var(--text-main); }

body.light-mode .sidebar { background: var(--sidebar-color); }
body.light-mode .card, body.light-mode .stat-card, body.light-mode .file-card { background: var(--card-bg); }
body.light-mode .nav-item:hover { background: rgba(0,0,0,0.05); color: #000; }
body.light-mode .t-input { background: #fff; color: #000; border-color: var(--border-color); }
body.light-mode .user-popover { background: #fff; }
body.light-mode .settings-item, body.light-mode .file-list-item { background: #fff; }
body.light-mode #terminal-logs { color: #1a7f37 !important; }

.progress-bar { width: 100%; height: 5px; background: var(--border-color); border-radius: 3px; overflow: hidden; margin-top: 15px; opacity: 0.5; }
.progress-fill { height: 100%; background: var(--accent-color); transition: width 0.6s ease; }

.card { background: var(--card-bg); border-radius: 12px; border: 1px solid var(--border-color); padding: 1.8rem; transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.card-interactive:hover { 
    border-color: var(--accent-color); 
    transform: translateY(-5px); 
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
    background: rgba(255,255,255,0.02);
}
.card-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 1.8rem; display: flex; align-items: center; gap: 12px; color: var(--text-main); }

.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th { text-align: left; padding: 15px; border-bottom: 1px solid var(--border-color); color: var(--text-muted); font-size: 0.85rem; font-weight: 600; }
.admin-table td { padding: 15px; border-bottom: 1px solid var(--border-color); font-size: 0.95rem; }
.role-badge { padding: 4px 14px; border-radius: 20px; font-size: 0.75rem; font-weight: 800; text-transform: uppercase; }
.role-admin { background: rgba(248, 81, 73, 0.15); color: #f85149; }
.role-member { background: rgba(88, 166, 255, 0.15); color: #58a6ff; }

.t-input { width: 100%; background: var(--bg-color); border: 1px solid var(--border-color); border-radius: 8px; padding: 12px 16px; color: var(--text-main); font-size: 0.9rem; outline: none; margin-bottom: 1rem; }
.btn { padding: 12px 24px; border-radius: 8px; font-weight: 800; cursor: pointer; border: none; transition: 0.2s; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 10px; justify-content: center; }
.btn-primary { background: var(--accent-color); color: #0d1117; }
.btn-outline { background: transparent; border: 1px solid var(--border-color); color: var(--text-main); }
.btn-danger { background: rgba(248, 81, 73, 0.1); color: #f85149; border: 1px solid rgba(248, 81, 73, 0.4); }

.login-overlay { position: fixed; top:0;left:0;right:0;bottom:0; background: var(--bg-color); z-index: 200000; display: flex; justify-content: center; align-items: center; }
.file-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 1.5rem; }
.file-card { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 12px; padding: 1.5rem; text-align: center; cursor: pointer; transition: 0.2s; position: relative; }
.file-card:hover { border-color: var(--accent-color); transform: translateY(-4px); }

.file-list { display: flex; flex-direction: column; gap: 8px; width: 100%; }
.file-list-item { display: flex; align-items: center; gap: 15px; padding: 12px 20px; background: #161b22; border: 1px solid var(--border-color); border-radius: 8px; cursor: pointer; transition: 0.2s; min-width: 0; }
.file-list-item:hover { border-color: var(--accent-color); background: #1c2128; }

.settings-list { display: flex; flex-direction: column; gap: 10px; }
.settings-item { display: flex; justify-content: space-between; align-items: center; padding: 20px 25px; background: #161b22; border: 1px solid var(--border-color); border-radius: 12px; cursor: pointer; transition: 0.2s; }
.settings-item:hover { border-color: var(--accent-color); transform: translateX(5px); }
.settings-item .title { font-weight: 700; font-size: 1.05rem; display: flex; align-items: center; gap: 15px; }
.settings-panel { display: none; }
.settings-panel.active { display: block; animation: slideIn 0.3s ease-out; }
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
.nas-nav.active { background: var(--accent-color); color: #0d1117; font-weight: 800; }
.nas-view-container { display: flex; gap: 2rem; height: calc(100vh - 120px); overflow: hidden; }
.nas-sidebar { width: 220px; display: flex; flex-direction: column; gap: 10px; padding-right: 1.5rem; border-right: 1px solid var(--border-color); flex-shrink: 0; }
.nas-content { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 1.5rem; }
.metrics-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.8rem; margin-top: 1rem; }
.metric-chart-card { background: var(--sidebar-color); border: 1px solid var(--border-color); border-radius: 12px; padding: 25px; height: 380px; }
canvas { width: 100% !important; height: 100% !important; }

.context-menu { position: fixed; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,0.5); z-index: 500000; min-width: 180px; display: none; padding: 6px 0; overflow: hidden; animation: popIn 0.15s ease-out; }
.context-menu-item { padding: 10px 15px; font-size: 0.85rem; color: var(--text-main); cursor: pointer; display: flex; align-items: center; gap: 12px; transition: 0.2s; }
.context-menu-item:hover { background: var(--accent-soft); color: var(--accent-color); }
@keyframes popIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

/* 彈窗覆蓋層基礎樣式 - 確保模組化後預設隱藏並具備現代美感 */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    display: none; /* 核心修正：預設不顯示 */
    justify-content: center;
    align-items: center;
    z-index: 10000;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn 0.2s ease-out;
}
.modal-overlay.active {
    display: flex;
}

/* GitHub Vitality Styles */
.gh-card {
    border-left: 4px solid #238636 !important;
    background: linear-gradient(135deg, rgba(22,27,34,0.7), rgba(13,17,23,0.8)) !important;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: 0.3s;
}

.status-dot.online {
    background: #238636;
}

.status-dot.pulse {
    animation: gh-pulse 2s infinite;
}

@keyframes gh-pulse {
    0% { box-shadow: 0 0 0 0 rgba(35, 134, 54, 0.4); }
    70% { box-shadow: 0 0 0 8px rgba(35, 134, 54, 0); }
    100% { box-shadow: 0 0 0 0 rgba(35, 134, 54, 0); }
}

/* Not logged in & Full Screen Mode overrides */
body.not-logged-in .sidebar, body.full-screen-view .sidebar {
    display: none !important;
}
body.not-logged-in .main-content, body.full-screen-view .main-content {
    margin-left: 0 !important;
    padding: 0 !important;
    padding-bottom: 0 !important;
    min-height: 100vh;
}
body.not-logged-in .top-header, body.full-screen-view .top-header {
    display: none !important;
}

/* Introduction Landing Page Styles */
.intro-navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: rgba(22, 27, 34, 0.7);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background 0.3s;
}
body.light-mode .intro-navbar {
    background: rgba(255, 255, 255, 0.8);
}
.intro-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--accent-color);
    letter-spacing: 1px;
}
.intro-logo-box {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}
.intro-logo-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.intro-nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}
.intro-hero {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 5% 6rem 5%;
    position: relative;
    background: radial-gradient(circle at top, var(--accent-soft) 0%, transparent 60%);
}
.hero-content {
    max-width: 800px;
    animation: fadeIn 0.8s ease-out;
}
.hero-tag {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--accent-color);
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}
.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 2rem;
    color: var(--text-main);
    letter-spacing: -1px;
}
.hero-title span {
    display: block;
    font-size: 2.2rem;
    background: linear-gradient(135deg, var(--text-main) 30%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 10px;
}
.hero-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 3rem;
}
.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}
.intro-features {
    padding: 6rem 10%;
    background: #090d13;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}
body.light-mode .intro-features {
    background: #f1f3f5;
}
.section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 850;
    margin-bottom: 1rem;
    color: var(--text-main);
}
.section-subtitle {
    text-align: center;
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 4rem;
}
.intro-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.intro-feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.intro-feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-color);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 20px var(--accent-soft);
}
body.light-mode .intro-feature-card:hover {
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1), 0 0 20px var(--accent-soft);
}
.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}
.intro-feature-card h3 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-main);
}
.intro-feature-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 2rem;
}
.feature-link {
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--accent-color);
    transition: transform 0.2s;
    display: inline-flex;
    align-items: center;
}
.intro-feature-card:hover .feature-link {
    transform: translateX(5px);
}
.intro-status {
    padding: 6rem 10%;
    background: #0d1117;
}
body.light-mode .intro-status {
    background: #f6f8fa;
}
.status-box {
    background: linear-gradient(135deg, rgba(22, 27, 34, 0.8), rgba(13, 17, 23, 0.9));
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
}
body.light-mode .status-box {
    background: linear-gradient(135deg, #ffffff, #f6f8fa);
}
.status-info {
    flex: 1;
    min-width: 300px;
}
.status-info h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-main);
}
.status-info p {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 2rem;
}
.status-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.status-pill {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-main);
}
.status-metrics {
    display: flex;
    gap: 3rem;
}
.metric-item {
    display: flex;
    flex-direction: column;
}
.metric-num {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}
.metric-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 700;
}
.intro-footer {
    border-top: 1px solid var(--border-color);
    padding: 2.5rem;
    text-align: center;
    background: #090d13;
    color: var(--text-muted);
    font-size: 0.9rem;
}
body.light-mode .intro-footer {
    background: #e9ecef;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-title span {
        font-size: 1.6rem;
    }
    .hero-buttons {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }
    .hero-buttons .btn, .hero-buttons a.btn {
        width: 100%;
        max-width: 280px;
    }
    .status-box {
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
    }
    .status-metrics {
        width: 100%;
        justify-content: space-between;
        gap: 1rem;
    }
    .metric-num {
        font-size: 2rem;
    }
}

/* ==================== Toast 通知系統 ==================== */
#toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999999;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-radius: 10px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    min-width: 240px;
    max-width: 380px;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.25s ease, transform 0.25s ease;
    pointer-events: auto;
}

.toast.toast-visible {
    opacity: 1;
    transform: translateX(0);
}

.toast-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
    width: 22px;
    text-align: center;
}

.toast-success { border-left: 4px solid var(--success-color); }
.toast-success .toast-icon { color: var(--success-color); }

.toast-error { border-left: 4px solid var(--danger-color); }
.toast-error .toast-icon { color: var(--danger-color); }

.toast-warning { border-left: 4px solid #e3b341; }
.toast-warning .toast-icon { color: #e3b341; }

.toast-info { border-left: 4px solid var(--accent-color); }
.toast-info .toast-icon { color: var(--accent-color); }

body.light-mode .toast {
    background: #fff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* ==================== 定價頁面樣式 ==================== */

/* 導覽列補充：連結樣式 */
.pricing-nav-links {
    display: flex;
    gap: 2.2rem;
    align-items: center;
}

.pricing-nav-link {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
    cursor: pointer;
    transition: color 0.2s;
    border: none;
    background: none;
    padding: 4px 0;
    opacity: 0.75;
    letter-spacing: 0.2px;
}

.pricing-nav-link:hover {
    color: var(--accent-color);
    opacity: 1;
}

.pricing-nav-link.active {
    color: var(--accent-color);
    opacity: 1;
}

/* 評語列 */
.pricing-reviews {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    padding: 3rem 8% 2rem 8%;
    background: var(--bg-color);
    flex-wrap: wrap;
}

.review-item {
    flex: 1;
    min-width: 220px;
    max-width: 340px;
    text-align: center;
    padding: 0 2rem;
}

.review-stars {
    font-size: 1.2rem;
    color: #f5a623;
    letter-spacing: 3px;
    margin-bottom: 0.8rem;
}

.review-text {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
    font-style: italic;
}

.review-divider {
    width: 1px;
    height: 60px;
    background: var(--border-color);
    flex-shrink: 0;
}

/* 主標題區 */
.pricing-hero-title {
    text-align: center;
    padding: 2rem 5% 1.5rem 5%;
}

.pricing-main-title {
    font-size: 2.6rem;
    font-weight: 900;
    color: var(--text-main);
    line-height: 1.2;
    margin-bottom: 0.8rem;
    letter-spacing: -0.5px;
}

.pricing-title-highlight {
    color: var(--accent-color);
}

.pricing-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* 計費切換 Tab */
.pricing-tab-row {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.5rem 5% 0;
}

.pricing-tab {
    padding: 10px 28px;
    border-radius: 30px;
    border: 1.5px solid var(--border-color);
    background: transparent;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-tab:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.pricing-tab.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #0d1117;
}

.tab-badge-save {
    background: rgba(35, 134, 54, 0.2);
    color: #3fb950;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 10px;
    border: 1px solid rgba(35, 134, 54, 0.3);
}

.pricing-tab.active .tab-badge-save {
    background: rgba(0, 0, 0, 0.2);
    color: #0d1117;
    border-color: rgba(0, 0, 0, 0.2);
}

/* 方案卡片區 */
.pricing-cards-section {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    padding: 2.5rem 5%;
    flex-wrap: wrap;
    align-items: stretch;
}

/* 基礎方案卡片 */
.plan-card {
    background: var(--card-bg);
    border: 1.5px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem 2rem 2.5rem 2rem;
    width: 300px;
    min-width: 260px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.plan-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.plan-card.selected {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-soft), 0 12px 40px rgba(0, 0, 0, 0.4);
}

/* 最受歡迎卡片 */
.plan-card-popular {
    border-color: var(--accent-color);
}

/* 終身授權卡片 */
.plan-card-lifetime {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(88, 166, 255, 0.05) 100%);
}

/* 最受歡迎 Badge */
.plan-popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: #0d1117;
    font-size: 0.75rem;
    font-weight: 900;
    padding: 4px 18px;
    border-radius: 20px;
    white-space: nowrap;
    letter-spacing: 0.5px;
}

/* 卡片標頭（Radio + 名稱）*/
.plan-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
}

.plan-radio {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--text-muted);
    transition: all 0.2s;
    flex-shrink: 0;
    position: relative;
}

.plan-radio.selected {
    border-color: var(--accent-color);
    background: var(--accent-color);
}

.plan-radio.selected::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background: #0d1117;
    border-radius: 50%;
}

.plan-name {
    font-size: 1rem;
    font-weight: 800;
    color: var(--text-main);
}

/* 價格區塊 */
.plan-price-block {
    display: flex;
    align-items: baseline;
    gap: 4px;
    flex-wrap: wrap;
}

.plan-price-original {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-right: 6px;
    align-self: center;
    display: block;
    width: 100%;
}

.plan-price {
    font-size: 2rem;
    font-weight: 900;
    color: var(--text-main);
}

.plan-price-lifetime {
    font-size: 2.2rem;
    color: var(--accent-color);
}

.plan-price-num {
    font-size: 2.6rem;
}

.plan-price-unit {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
    align-self: flex-end;
    padding-bottom: 4px;
}

.plan-lifetime-tag {
    background: var(--accent-soft);
    color: var(--accent-color);
    font-size: 0.78rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 8px;
    align-self: center;
    white-space: nowrap;
    margin-left: 6px;
}

.plan-price-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: -0.5rem;
}

/* 功能清單 */
.plan-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    flex: 1;
}

.plan-features li {
    font-size: 0.88rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.plan-features li.feature-extra {
    color: var(--accent-color);
    font-weight: 600;
}

/* CTA 按鈕區 */
.pricing-cta {
    text-align: center;
    padding: 1rem 5% 3rem 5%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.pricing-cta-btn {
    background: var(--accent-color);
    color: #0d1117;
    font-size: 1.05rem;
    font-weight: 900;
    padding: 18px 64px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.25s;
    box-shadow: 0 0 30px var(--accent-glow);
    letter-spacing: 0.5px;
}

.pricing-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 40px var(--accent-glow);
    filter: brightness(1.1);
}

.pricing-cta-note {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* 功能對照表 */
.pricing-compare {
    padding: 3rem 8% 4rem 8%;
    border-top: 1px solid var(--border-color);
    background: #090d13;
}

body.light-mode .pricing-compare {
    background: #f1f3f5;
}

.compare-table-wrap {
    overflow-x: auto;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 560px;
}

.compare-table th {
    padding: 16px 20px;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--text-muted);
    border-bottom: 2px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.compare-table th:first-child {
    text-align: left;
}

.compare-th-popular {
    color: var(--accent-color) !important;
    background: var(--accent-soft);
    border-radius: 8px 8px 0 0;
}

.compare-table td {
    padding: 14px 20px;
    text-align: center;
    font-size: 0.88rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
    transition: background 0.15s;
}

.compare-table td:first-child {
    text-align: left;
    color: var(--text-main);
    font-weight: 600;
}

.compare-table tr:hover td {
    background: var(--accent-soft);
}

.compare-table td.popular-col {
    background: var(--accent-soft);
}

.compare-table .check {
    color: var(--accent-color);
    font-weight: 800;
    font-size: 1.1rem;
}

.compare-table .cross {
    color: var(--text-muted);
    opacity: 0.4;
    font-size: 1.1rem;
}

/* RWD 響應式 */
@media (max-width: 900px) {
    .pricing-cards-section {
        flex-direction: column;
        align-items: center;
    }
    .plan-card {
        width: 100%;
        max-width: 420px;
    }
    .pricing-reviews {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }
    .review-divider { display: none; }
    .pricing-main-title { font-size: 2rem; }
    .pricing-tab-row { flex-wrap: wrap; }
}

/* ==================== 漢堡選單與行動端 RWD 響應式佈局 ==================== */
.menu-btn {
    display: none;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    outline: none;
}
.menu-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

@media (max-width: 768px) {
    .menu-btn {
        display: inline-flex;
    }
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.8);
    }
    .sidebar.active {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0 !important;
        padding: 1.5rem !important;
        padding-bottom: 8rem !important;
    }
    .stat-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1rem !important;
    }
    /* 戰情總覽網格 */
    #view-dashboard > div[style*="display:grid"],
    #view-dashboard > div[style*="display: grid"] {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }
    /* 實時數據分析 */
    .metrics-grid {
        grid-template-columns: 1fr !important;
        gap: 1.2rem !important;
    }
    /* NAS 管理中樞 */
    #view-nas-mgnt > div[style*="display:grid"],
    #view-nas-mgnt > div[style*="display: grid"] {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }
    /* 虛擬化中心 */
    #view-virtual > div[style*="display:grid"],
    #view-virtual > div[style*="display: grid"] {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }
    /* 智慧宅控 */
    #view-smart > div[style*="display:grid"],
    #view-smart > div[style*="display: grid"] {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }
    /* 多重宇宙 */
    #view-multiverse > div[style*="display:grid"],
    #view-multiverse > div[style*="display: grid"] {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }
}

@media (max-width: 480px) {
    .stat-grid {
        grid-template-columns: 1fr !important;
    }
}

/* ==================== 系統日誌事件彩色標籤 ==================== */
.log-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.68rem;
    font-weight: 800;
    margin-right: 8px;
    text-transform: uppercase;
    letter-spacing: 0.2px;
}
.log-badge-security {
    background: rgba(248, 81, 73, 0.15);
    color: #f85149;
    border: 1px solid rgba(248, 81, 73, 0.3);
}
.log-badge-broadcast {
    background: rgba(46, 204, 113, 0.15);
    color: #2ecc71;
    border: 1px solid rgba(46, 204, 113, 0.3);
}
.log-badge-mc {
    background: rgba(189, 147, 249, 0.15);
    color: #bd93f9;
    border: 1px solid rgba(189, 147, 249, 0.3);
}
.log-badge-admin {
    background: rgba(242, 170, 31, 0.15);
    color: #f2aa1f;
    border: 1px solid rgba(242, 170, 31, 0.3);
}
.log-badge-cloud {
    background: rgba(88, 166, 255, 0.15);
    color: #58a6ff;
    border: 1px solid rgba(88, 166, 255, 0.3);
}
.log-badge-system {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.15);
}