/**
 * 🚀 Base UI 企業級前端系統 - 主樣式表 (style.css)
 * 版本宣告：v2.8.1 Official Master Specification
 * 樣式規則：Zero External CSS Framework, Pure Custom Properties Dark Theme
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ===================================================
   1. Design Tokens & CSS 變數表
   =================================================== */
:root {
  /* 硬性佈局尺寸 */
  --topbar-height: 60px;
  --sidebar-width: 240px;

  /* 主題暗色 Palette */
  --bg-primary: #090d16;
  --bg-secondary: #111827;
  --bg-card: #1a2332;
  --bg-card-hover: #222d40;
  --bg-input: #0d131f;

  /* 邊框與分隔線 Token */
  --border-color: #263347;
  --border-color-light: #33445e;

  /* 高對比文字 Token */
  --text-primary: #ffffff;
  --text-secondary: #e2e8f0;
  --text-muted: #cbd5e1;
  --text-white: #ffffff;

  /* 品牌天藍主色 */
  --accent-primary: #38bdf8;
  --accent-hover: #7dd3fc;
  --accent-light: rgba(56, 189, 248, 0.15);
  --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);

  /* 狀態語意色彩 */
  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.15);
  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.15);
  --color-danger: #ef4444;
  --color-danger-bg: rgba(239, 68, 68, 0.15);
  --color-info: #06b6d4;
  --color-info-bg: rgba(6, 182, 212, 0.15);

  /* 圓角與陰影 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.6);
  --shadow-accent: 0 0 15px rgba(56, 189, 248, 0.3);

  /* 動畫過渡 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================================
   2. 全域重置與基礎樣式 (Reset & Base)
   =================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 14px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-hover);
}

/* 顯示/隱藏輔助類別 (Responsive Visibility Helpers) */
.desktop-only {
  display: inline;
}

.mobile-only {
  display: none;
}

/* ===================================================
   3. 系統核心佈局 (App Core Architecture)
   =================================================== */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
}

/* 頂部導航欄 TopBar */
.topbar {
  height: var(--topbar-height);
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  max-width: 100vw;
  box-sizing: border-box;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex-shrink: 1;
}

.topbar-logo {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.topbar-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hamburger-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 22px;
  cursor: pointer;
  padding: 4px;
}

/* 主要內容容器 */
.main-container {
  display: flex;
  flex: 1;
  margin-top: var(--topbar-height);
  position: relative;
  width: 100%;
  min-width: 0;
}

/* 左側導航選單 Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: var(--topbar-height);
  bottom: 0;
  left: 0;
  z-index: 90;
  transition: transform var(--transition-normal);
  overflow-y: auto;
}

.sidebar-nav {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-item .icon {
  font-size: 18px;
}

.nav-item:hover {
  background-color: var(--bg-card);
  color: var(--text-primary);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  color: var(--text-white);
  text-decoration: none;
  white-space: nowrap;
}

.brand-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, #0066ff, #00bfff);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  box-shadow: 0 2px 8px rgba(0, 102, 255, 0.4);
}

.nav-item .badge {
  margin-left: auto;
  font-size: 11px;
  background-color: var(--accent-primary);
  color: #ffffff;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.sidebar-footer {
  margin-top: auto;
  padding: 14px 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.footer-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  top: var(--topbar-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(9, 13, 22, 0.75);
  backdrop-filter: blur(10px);
  z-index: 85;
}

/* 右側主要內容區域 Content Area */
.content-area {
  flex: 1;
  min-width: 0;
  max-width: 100%;
  margin-left: var(--sidebar-width);
  padding: 24px 32px;
  min-height: calc(100vh - var(--topbar-height));
  box-sizing: border-box;
  overflow-x: hidden;
}

/* 頁面 Header */
.page-header {
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.page-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.page-subtitle {
  font-size: 13.5px;
  color: var(--text-muted);
}

/* SPA Tab 內容容器 */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.25s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===================================================
   4. 元件與控制項樣式 (Components & UI)
   =================================================== */

/* 卡片 Sections */
.card-section {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.card-section:hover {
  border-color: var(--border-color-light);
}

.card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.card-title > span,
.card-title > h1,
.card-title > h2,
.card-title > h3,
.card-title > h4 {
  min-width: 0;
  max-width: 100%;
  word-break: break-word;
}

/* 卡片操作按鈕組 (防溢出自適應) */
.card-action-btns {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  max-width: 100%;
}

.card-action-btns form {
  display: inline-flex;
  align-items: center;
  margin: 0;
  max-width: 100%;
}

.card-action-btns .btn,
.card-title .btn {
  max-width: 100%;
  white-space: nowrap;
}

/* 表單 Grid & 輸入框 */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.input-icon-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  font-size: 16px;
  color: var(--text-muted);
  z-index: 5; /* 確保不被背景覆蓋 */
  pointer-events: none;
}

.form-control {
  width: 100%;
  height: 48px; /* 電腦端標準高度 */
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0 16px;
  color: var(--text-primary);
  font-size: 14.5px;
  outline: none;
  transition: all var(--transition-fast);
}

.input-icon-group .form-control {
  padding-left: 42px;
}

.form-control:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.form-control:disabled, .form-control[readonly] {
  background-color: rgba(13, 19, 31, 0.6);
  color: var(--text-muted);
  cursor: not-allowed;
  border-color: rgba(38, 51, 71, 0.5);
}

/* 按鈕類別 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  white-space: nowrap !important;
  word-break: keep-all !important;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-accent);
}

.btn-secondary {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-color-light);
  color: var(--text-primary);
}

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

.btn-danger:hover {
  opacity: 0.9;
}

.btn-block {
  width: 100%;
}

/* 高對比繁體中文狀態與類別 Badge (強制單行不換行) */
.badge, .badge-tag, .badge-role, .action-badge {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  white-space: nowrap !important;
  word-break: keep-all !important;
  padding: 4px 12px !important;
  border-radius: 16px !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  line-height: 1.2 !important;
  width: auto !important;
  height: auto !important;
  max-width: max-content !important;
}

.badge-registered { background: var(--color-info-bg); color: #38bdf8; border: 1px solid rgba(56, 189, 248, 0.3); }
.badge-pending    { background: var(--color-warning-bg); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-verified   { background: var(--color-success-bg); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-realname   { background: rgba(56, 189, 248, 0.2); color: #38bdf8; border: 1px solid rgba(56, 189, 248, 0.4); }
.badge-blocked    { background: var(--color-danger-bg); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }

/* 權限組 Badge */
.badge-role {
  background: var(--bg-card-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border-color-light);
}

.badge-role.admin {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.3);
}

/* 資料表格 Data Table */
.table-responsive {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  background-color: var(--bg-card);
}

.data-table th, .data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.data-table th {
  background-color: var(--bg-secondary);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
}

.data-table tr:hover {
  background-color: var(--bg-card-hover);
}

/* 操作欄位防擠壓與防溢出保護 */
.table-action-col {
  white-space: nowrap !important;
  word-break: keep-all !important;
  min-width: 110px !important;
  width: 110px !important;
  text-align: center !important;
}

.table-action-col form {
  display: inline-flex !important;
  align-items: center !important;
  margin: 0 !important;
  white-space: nowrap !important;
}

.data-table code, .custom-table code {
  word-break: break-all;
  white-space: normal;
}

/* 高感度 Alert Banner 橫幅宣告 */
.alert-banner {
  position: relative;
  padding: 16px 44px 16px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  display: block;
  font-size: 13.5px;
  line-height: 1.8;
  word-break: break-word;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
}

.alert-banner strong {
  font-weight: 700;
}

.alert-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: transparent;
  border: none;
  color: currentColor;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  opacity: 0.65;
  line-height: 1;
  transition: opacity 0.2s ease, background 0.2s ease;
  padding: 2px 6px;
  border-radius: 4px;
}

.alert-close:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.15);
}

.alert-info    { background: rgba(6, 182, 212, 0.1) !important; border: 1px solid rgba(6, 182, 212, 0.3) !important; color: #38bdf8 !important; }
.alert-warning { background: rgba(245, 158, 11, 0.1) !important; border: 1px solid rgba(245, 158, 11, 0.3) !important; color: #fbbf24 !important; }
.alert-danger  { background: rgba(239, 68, 68, 0.12) !important; border: 1px solid rgba(239, 68, 68, 0.3) !important; color: #f87171 !important; }
.alert-success { background: rgba(16, 185, 129, 0.1) !important; border: 1px solid rgba(16, 185, 129, 0.3) !important; color: #34d399 !important; }

/* 第三方 OAuth 登入按鈕區塊 */
.oauth-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.btn-oauth {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--bg-card-hover);
  border: 1px solid var(--border-color-light);
  color: var(--text-primary);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-oauth:hover {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

/* Modal 彈窗 */
.modal-backdrop {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(9, 13, 22, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-backdrop.active {
  display: flex;
}

.modal-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 550px;
  padding: 24px;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
}

/* ===================================================
   5. 三端適配響應式機制 (Responsive Breakpoints)
   =================================================== */
@media (max-width: 1024px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full-width {
    grid-column: span 1;
  }
  .oauth-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hamburger-btn {
    display: block;
  }

  .sidebar {
    transform: translateX(-100%);
    z-index: 200;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.active {
    display: block;
  }

  .content-area {
    margin-left: 0;
    padding: 12px;
  }

  /* 手機端卡片內距與邊界優化 */
  .card-section {
    padding: 16px 14px;
  }

  /* 手機端精簡 40px 控制項高度 */
  .form-control {
    height: 40px;
    font-size: 13.5px;
  }

  /* 手機端 OAuth Grid 彈性改為單欄滿版佈局 (防止卡片溢出與按鈕擠壓) */
  .oauth-grid {
    grid-template-columns: 1fr !important;
    gap: 12px;
  }

  /* 頂部導航欄響應式調優 (避免文字溢出擠壓) */
  .topbar {
    padding: 0 10px;
    height: 54px;
  }

  .topbar-brand {
    gap: 8px;
  }

  .topbar-title {
    font-size: 13.5px;
    max-width: 115px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .topbar-actions {
    gap: 6px;
  }

  .topbar-user-name,
  .topbar-user-role,
  .topbar-status-badge {
    display: none !important;
  }

  .desktop-only {
    display: none !important;
  }

  .mobile-only {
    display: inline-block !important;
  }

  .sidebar-user-card.mobile-only {
    display: flex !important;
  }

  /* 手機端 Modal 彈窗滿版與內距調優 */
  .modal-dialog {
    width: 95% !important;
    padding: 16px 14px !important;
    max-height: 90vh !important;
  }

  .modal-dialog .form-grid {
    grid-template-columns: 1fr !important;
    gap: 12px;
  }

  /* 卡片標題與操作按鈕群組手機端直向滿版自適應 (確保按鈕不擠壓、溢出或變形) */
  .card-title {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
  }

  .card-action-btns {
    width: 100% !important;
    flex-direction: column !important;
    gap: 8px !important;
  }

  .card-action-btns form,
  .card-action-btns .btn,
  .card-title > .btn,
  .card-title form {
    width: 100% !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    text-align: center !important;
    white-space: normal !important;
    height: auto !important;
    min-height: 38px !important;
    padding: 8px 14px !important;
    line-height: 1.4 !important;
    font-size: 13px !important;
    box-sizing: border-box !important;
  }

  /* 手機端告警橫幅防文字與 URL 溢出 */
  .alert-banner {
    padding: 14px 16px;
    word-break: break-all;
    overflow-wrap: anywhere;
  }

  .alert-banner code,
  .alert-banner strong,
  .alert-banner p {
    word-break: break-all;
    overflow-wrap: anywhere;
  }

  /* 登入紀錄響應式雙視圖切換 */
  .desktop-only-table {
    display: none !important;
  }

  .mobile-only-cards {
    display: flex !important;
    flex-direction: column;
    gap: 12px;
  }

  /* 表格響應式內距調優 */
  .data-table th, .data-table td {
    padding: 10px 12px;
    font-size: 12.5px;
  }
}

/* ===================================================
   6. 手機端登入紀錄卡片視圖與響應式樣式 (Mobile Log Cards)
   =================================================== */
.mobile-only-cards {
  display: none;
}

.login-log-card {
  background: var(--bg-card-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast);
}

.login-log-card:hover {
  border-color: var(--border-color-light);
}

.log-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
  gap: 8px;
  flex-wrap: wrap;
}

.log-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.log-time {
  font-size: 12px;
  color: var(--text-muted);
}

.log-card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
}

.log-info-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.log-info-item .info-label {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12.5px;
  white-space: nowrap;
  flex-shrink: 0;
}

.log-info-item .info-value {
  color: var(--text-secondary);
  word-break: break-all;
  font-size: 12.5px;
}

/* ===================================================
   7. 條款與宣告頁籤 (Tab 4) 條款卡片與工作室資訊優化
   =================================================== */
.term-card-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.term-card-item:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.term-card-content {
  flex: 1;
  min-width: 0;
}

.term-card-title {
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 700;
  display: block;
  word-break: break-word;
}

.term-card-url {
  color: var(--text-muted);
  font-size: 12.5px;
  margin-top: 4px;
  display: block;
  word-break: break-all;
}

.term-card-btn {
  height: 36px;
  padding: 0 14px;
  font-size: 13px;
  flex-shrink: 0;
  white-space: nowrap;
  align-self: center;
}

.studio-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.detail-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color var(--transition-fast);
}

.detail-item:hover {
  border-color: var(--border-color-light);
}

.detail-item.full-width {
  grid-column: 1 / -1;
}

.detail-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}

.detail-value {
  font-size: 13.5px;
  color: var(--text-primary);
  font-weight: 500;
  word-break: break-word;
  line-height: 1.5;
}

.detail-value.link {
  color: var(--accent-primary);
  text-decoration: none;
}

.detail-value.link:hover {
  text-decoration: underline;
}

.social-links-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-btn {
  height: 38px;
  padding: 0 16px;
  font-size: 13px;
  border-radius: var(--radius-md);
  flex: 1 1 auto;
  justify-content: center;
  text-align: center;
}

@media (max-width: 768px) {
  .term-card-item {
    padding: 14px 16px;
    gap: 12px;
  }
  .term-card-btn {
    height: 32px;
    padding: 0 10px;
    font-size: 12px;
  }
  .studio-details-grid {
    grid-template-columns: 1fr;
  }
  .social-btn {
    width: 100%;
    flex: 1 1 100%;
  }
}

/* ===================================================
   15. 網格與卡片系統 (Grid & Cards System - Log Statistics)
   =================================================== */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: var(--transition-fast);
}

.stat-card:hover {
  border-color: var(--border-color-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
}

.stat-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--accent-primary);
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-white);
}

.stat-footer {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.text-success { color: var(--color-success) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-danger { color: var(--color-danger) !important; }

/* 狀態標籤 (Badge Tags) */
.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
}

.badge-online { background-color: var(--color-success-bg); color: var(--color-success); }
.badge-offline { background-color: var(--color-danger-bg); color: var(--color-danger); }

/* iOS 風格 Toggle 開關 (Switch Controls) */
.switch {
  position: relative;
  display: inline-block;
  width: 42px;
  height: 22px;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #263347;
  transition: .2s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 22px;
  border: 1px solid var(--border-color-light);
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 2px;
  bottom: 2px;
  background-color: #ffffff;
  transition: .2s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

.switch input:checked + .slider {
  background-color: #0284c7;
  border-color: var(--accent-primary);
}

.switch input:checked + .slider:before {
  transform: translateX(20px);
}

/* 安全日誌 Feed 容器 */
.log-container {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: monospace;
  font-size: 12px;
  max-height: 240px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.log-entry {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  word-break: break-all;
}

.log-time { color: var(--text-muted); font-size: 11px; white-space: nowrap; }
.log-type { font-weight: 700; padding: 1px 4px; border-radius: 3px; font-size: 10.5px; white-space: nowrap; }
.log-type.INFO { background: var(--accent-light); color: var(--accent-primary); }
.log-type.SUCCESS { background: var(--color-success-bg); color: var(--color-success); }
.log-type.WARN { background: var(--color-warning-bg); color: var(--color-warning); }
.log-type.DANGER { background: var(--color-danger-bg); color: var(--color-danger); }
.log-msg { color: var(--text-secondary); }

/* ==========================================================================
   美化版: 下拉選單 & 輸入框 (Re-beautified Select Dropdowns & Inputs)
   ========================================================================== */
.form-select {
  background: linear-gradient(180deg, #111a2e 0%, #0b1220 100%);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2338bdf8' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 14px center !important;
  background-size: 14px 14px !important;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 10px 40px 10px 14px;
  font-size: 13.5px;
  font-weight: 500;
  font-family: inherit;
  width: 100%;
  min-height: 42px;
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), inset 0 -1px 0 rgba(0, 0, 0, 0.3);
}

.form-select option {
  background-color: #0f172a;
  color: #f8fafc;
  padding: 10px 14px;
  font-size: 13.5px;
}

.form-select:hover:not(:disabled) {
  border-color: rgba(59, 130, 246, 0.5);
  background-color: #16233d;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.form-select:focus:not(:disabled) {
  border-color: #3b82f6;
  background-color: #0f172a;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.25);
}

/* 帶圖標輸入框組 (Input Icon Group) */
.input-icon-group {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.input-icon-group .input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 15px;
  color: #38bdf8;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
}

.input-icon-group .form-control {
  padding-left: 42px;
}

/* 8. 專用表格 (Custom Table Component) */
.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
  min-width: 600px;
}

.custom-table th {
  background-color: rgba(0, 0, 0, 0.2);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.custom-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  white-space: nowrap;
}

.custom-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}