/**
 * Jerry-KPI - main.css
 * 核心樣式表與 Glassmorphism 毛玻璃視覺系統
 * 遵循繁體中文介面與 Bootstrap 5 規範
 */

/* ==========================================================================
   1. CSS 變數定義 (CSS Custom Properties)
   ========================================================================== */
:root {
  /* 毛玻璃效果核心變數 (Glassmorphism Core) */
  --glass-bg: rgba(255, 255, 255, 0.15);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --blur: 12px;
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* 主題語意色彩 (Theme Colors) */
  --primary: #4285f4;
  --primary-hover: #3367d6;
  --primary-light: rgba(66, 133, 244, 0.12);
  --success: #34a853;
  --success-hover: #2d9249;
  --success-light: rgba(52, 168, 83, 0.12);
  --warning: #fbbc04;
  --warning-hover: #e5ab04;
  --warning-light: rgba(251, 188, 4, 0.15);
  --danger: #ea4335;
  --danger-hover: #d93025;
  --danger-light: rgba(234, 67, 53, 0.12);
  --info: #00bcd4;
  --info-light: rgba(0, 188, 212, 0.12);

  /* 背景與文字色彩 (Background & Text) */
  --bg-gradient: linear-gradient(135deg, #e8f0fe 0%, #f0e6ff 100%);
  --bg-surface: rgba(255, 255, 255, 0.45);
  --text-primary: #202124;
  --text-secondary: #5f6368;
  --text-muted: #80868b;
  --text-inverse: #ffffff;
  --card-bg: rgba(255, 255, 255, 0.6);
  --card-bg-hover: rgba(255, 255, 255, 0.8);
  --input-bg: rgba(255, 255, 255, 0.65);
  --input-border: rgba(0, 0, 0, 0.12);
  --hover-bg: rgba(66, 133, 244, 0.08);

  /* 側邊欄尺寸 (Sidebar Dimensions) */
  --sidebar-width: 260px;
  --sidebar-collapsed: 70px;
  --navbar-height: 64px;

  /* 動畫與過渡 (Transitions) */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ==========================================================================
   2. 全域基礎樣式 (Base Styles)
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--bg-gradient) no-repeat fixed;
  background-size: cover;
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial,
    'PingFang TC', 'Microsoft JhengHei', sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background var(--transition-normal), color var(--transition-normal);
}

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

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

/* 現代精緻捲軸 (Custom Scrollbar) */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.03);
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.35);
}

/* ==========================================================================
   3. 毛玻璃核心組件 (Glassmorphism Core Components)
   ========================================================================== */

/* 基礎毛玻璃卡片 */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal),
              background var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.12);
  background: var(--card-bg-hover);
}

.glass-card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.glass-card-body {
  padding: 1.5rem;
}

.glass-card-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.05);
}

/* 毛玻璃面板 (適用於頂部導航或次級容器) */
.glass-panel {
  background: var(--bg-surface);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
}

/* ==========================================================================
   4. 側邊欄樣式 (Glass Sidebar)
   ========================================================================== */
.glass-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border-right: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  z-index: 1030;
  transition: width var(--transition-normal), transform var(--transition-normal), background var(--transition-normal);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-header {
  height: var(--navbar-height);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  text-decoration: none;
}

.sidebar-brand i,
.sidebar-brand svg {
  font-size: 1.5rem;
  color: var(--primary);
  flex-shrink: 0;
}

.sidebar-brand-text {
  transition: opacity var(--transition-normal);
}

.sidebar-nav {
  list-style: none;
  padding: 1rem 0.75rem;
  margin: 0;
  flex: 1;
}

.sidebar-section-title {
  padding: 0.75rem 0.75rem 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  white-space: nowrap;
  transition: opacity var(--transition-normal);
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  margin-bottom: 0.25rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
  white-space: nowrap;
}

.sidebar-nav-item i,
.sidebar-nav-item svg {
  font-size: 1.25rem;
  width: 1.5rem;
  text-align: center;
  flex-shrink: 0;
  color: var(--text-secondary);
  transition: color var(--transition-normal);
}

.sidebar-nav-item:hover {
  color: var(--primary);
  background: var(--hover-bg);
  transform: translateX(4px);
}

.sidebar-nav-item:hover i,
.sidebar-nav-item:hover svg {
  color: var(--primary);
}

.sidebar-nav-item.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
  box-shadow: inset 0 0 0 1px var(--primary);
}

.sidebar-nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 15%;
  bottom: 15%;
  width: 4px;
  background: var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.sidebar-nav-item.active i,
.sidebar-nav-item.active svg {
  color: var(--primary);
}

.sidebar-separator {
  height: 1px;
  background: var(--glass-border);
  margin: 0.75rem 0.5rem;
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--glass-border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  overflow: hidden;
}

.sidebar-avatar {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  flex-shrink: 0;
  border: 1px solid var(--glass-border);
}

.sidebar-user-info {
  line-height: 1.2;
  overflow: hidden;
}

.sidebar-user-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ==========================================================================
   5. 頂部導航列 (Glass Navbar)
   ========================================================================== */
.glass-navbar {
  height: var(--navbar-height);
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  position: sticky;
  top: 0;
  z-index: 1020;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition-normal);
}

.navbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar-search {
  position: relative;
  width: 260px;
}

.navbar-search i,
.navbar-search svg {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.navbar-search input {
  padding-left: 2.35rem;
  padding-right: 3.5rem;
}

.navbar-search-shortcut {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 4px;
  color: var(--text-muted);
  pointer-events: none;
}

/* ==========================================================================
   6. 主要內容區域 (Main Content Area)
   ========================================================================== */
.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition-normal);
}

.content-body {
  flex: 1;
  padding: 2rem;
}

.content-container {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.page-header {
  margin-bottom: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.page-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 0.35rem;
  margin-bottom: 0;
}

/* ==========================================================================
   7. 表單元素 (Glass Inputs & Forms)
   ========================================================================== */
.glass-input,
.glass-select,
.glass-textarea {
  width: 100%;
  padding: 0.65rem 1rem;
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--input-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal),
              background var(--transition-normal);
}

.glass-input::placeholder,
.glass-textarea::placeholder {
  color: var(--text-muted);
}

.glass-input:focus,
.glass-select:focus,
.glass-textarea:focus {
  border-color: var(--primary);
  background: var(--card-bg-hover);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.glass-input:disabled,
.glass-select:disabled,
.glass-textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.glass-form-label {
  display: inline-block;
  margin-bottom: 0.45rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.glass-form-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* ==========================================================================
   8. 按鈕組件 (Glass Buttons)
   ========================================================================== */
.glass-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.5;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--text-primary);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-normal);
  user-select: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.glass-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  background: var(--card-bg-hover);
  color: var(--text-primary);
}

.glass-btn:active {
  transform: translateY(0);
}

.glass-btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-inverse);
  box-shadow: 0 4px 14px rgba(66, 133, 244, 0.35);
}

.glass-btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--text-inverse);
  box-shadow: 0 6px 18px rgba(66, 133, 244, 0.45);
}

.glass-btn-success {
  background: var(--success);
  border-color: var(--success);
  color: var(--text-inverse);
  box-shadow: 0 4px 14px rgba(52, 168, 83, 0.35);
}

.glass-btn-success:hover {
  background: var(--success-hover);
  border-color: var(--success-hover);
  color: var(--text-inverse);
  box-shadow: 0 6px 18px rgba(52, 168, 83, 0.45);
}

.glass-btn-warning {
  background: var(--warning);
  border-color: var(--warning);
  color: #202124;
  box-shadow: 0 4px 14px rgba(251, 188, 4, 0.35);
}

.glass-btn-warning:hover {
  background: var(--warning-hover);
  border-color: var(--warning-hover);
  color: #202124;
}

.glass-btn-danger {
  background: var(--danger);
  border-color: var(--danger);
  color: var(--text-inverse);
  box-shadow: 0 4px 14px rgba(234, 67, 53, 0.35);
}

.glass-btn-danger:hover {
  background: var(--danger-hover);
  border-color: var(--danger-hover);
  color: var(--text-inverse);
  box-shadow: 0 6px 18px rgba(234, 67, 53, 0.45);
}

.glass-btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  border-radius: 6px;
}

.glass-btn-lg {
  padding: 0.75rem 1.75rem;
  font-size: 1.1rem;
  border-radius: 12px;
}

.glass-btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   9. 儀表板指標卡片 (Stat Cards)
   ========================================================================== */
.stat-card {
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

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

.stat-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0;
}

.stat-icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--glass-border);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
  margin: 0.25rem 0;
}

.stat-footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.stat-trend {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
}

.stat-trend.up {
  color: var(--success);
  background: var(--success-light);
}

.stat-trend.down {
  color: var(--danger);
  background: var(--danger-light);
}

/* ==========================================================================
   10. 狀態標籤與優先級標籤 (Badges & Tags)
   ========================================================================== */

/* 狀態徽章 (Status Badges) */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  white-space: nowrap;
  line-height: 1.2;
}

.status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  display: inline-block;
}

/* 已完成 completed = green */
.status-badge.completed {
  background: var(--success-light);
  color: var(--success);
  border-color: rgba(52, 168, 83, 0.3);
}
.status-badge.completed::before {
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}

/* 進行中 in_progress = blue */
.status-badge.in_progress {
  background: var(--primary-light);
  color: var(--primary);
  border-color: rgba(66, 133, 244, 0.3);
}
.status-badge.in_progress::before {
  background: var(--primary);
  box-shadow: 0 0 6px var(--primary);
}

/* 未完成 incomplete = red */
.status-badge.incomplete {
  background: var(--danger-light);
  color: var(--danger);
  border-color: rgba(234, 67, 53, 0.3);
}
.status-badge.incomplete::before {
  background: var(--danger);
  box-shadow: 0 0 6px var(--danger);
}

/* 暫停中 on_hold = gray */
.status-badge.on_hold {
  background: rgba(95, 99, 104, 0.12);
  color: var(--text-secondary);
  border-color: rgba(95, 99, 104, 0.3);
}
.status-badge.on_hold::before {
  background: var(--text-secondary);
}

/* 分類標籤 (Category Tags) */
.category-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.25rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.3);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  transition: background var(--transition-normal);
}

.category-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  display: inline-block;
}

/* 優先級標籤 (Priority Badges) */
.priority-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 6px;
  line-height: 1.2;
}

/* 高 high = red */
.priority-badge.high {
  background: var(--danger-light);
  color: var(--danger);
  border: 1px solid rgba(234, 67, 53, 0.25);
}

/* 中 medium = yellow */
.priority-badge.medium {
  background: var(--warning-light);
  color: #b08000;
  border: 1px solid rgba(251, 188, 4, 0.35);
}

/* 低 low = green */
.priority-badge.low {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid rgba(52, 168, 83, 0.25);
}

/* ==========================================================================
   11. 客製化進度條 (Custom Progress Bar)
   ========================================================================== */
.progress-bar-custom {
  width: 100%;
  height: 10px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--glass-border);
}

.progress-bar-custom-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary) 0%, #34a853 100%);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  position: relative;
}

.progress-bar-custom-fill.striped {
  background-image: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.2) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0.2) 75%,
    transparent 75%,
    transparent
  );
  background-size: 1rem 1rem;
}

/* ==========================================================================
   12. 表格樣式 (Glass Table)
   ========================================================================== */
.glass-table-container {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  box-shadow: var(--glass-shadow);
}

.glass-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  color: var(--text-primary);
  margin: 0;
}

.glass-table th {
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid var(--glass-border);
  white-space: nowrap;
}

.glass-table td {
  padding: 1rem 1.25rem;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--glass-border);
  vertical-align: middle;
}

.glass-table tbody tr {
  transition: background var(--transition-fast);
}

.glass-table tbody tr:hover {
  background: var(--hover-bg);
}

.glass-table tbody tr:last-child td {
  border-bottom: none;
}

/* ==========================================================================
   13. 提示訊息與彈窗 (Alerts, Toasts, Modals)
   ========================================================================== */
.glass-alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.glass-alert-primary {
  background: var(--primary-light);
  border-color: rgba(66, 133, 244, 0.3);
  color: var(--primary);
}

.glass-alert-success {
  background: var(--success-light);
  border-color: rgba(52, 168, 83, 0.3);
  color: var(--success);
}

.glass-alert-warning {
  background: var(--warning-light);
  border-color: rgba(251, 188, 4, 0.35);
  color: #a07000;
}

.glass-alert-danger {
  background: var(--danger-light);
  border-color: rgba(234, 67, 53, 0.3);
  color: var(--danger);
}

/* Toast 通知容器 */
#toastContainer {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 1090;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
  max-width: 380px;
  width: calc(100% - 3rem);
}

.glass-toast {
  pointer-events: auto;
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text-primary);
  animation: slideInRight 0.3s ease forwards;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.glass-toast.hide {
  opacity: 0;
  transform: translateX(100%);
}

.glass-toast-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.glass-toast-content {
  flex: 1;
}

.glass-toast-title {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.glass-toast-message {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.glass-toast-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  font-size: 1.1rem;
  line-height: 1;
}

/* 毛玻璃 Modal */
.glass-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1060;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fadeIn 0.25s ease forwards;
}

.glass-modal-content {
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
  width: 100%;
  max-width: 540px;
  overflow: hidden;
  animation: zoomIn 0.25s ease forwards;
}

/* ==========================================================================
   14. 登入頁面特定樣式 (Login Page Specific Styles)
   ========================================================================== */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  position: relative;
  overflow: hidden;
}

/* 裝飾性背景光斑 (Decorative Background Orbs) */
.login-orb {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(80px);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

.login-orb-1 {
  width: 320px;
  height: 320px;
  background: #4285f4;
  top: 10%;
  left: 15%;
  animation: floatOrb 8s ease-in-out infinite alternate;
}

.login-orb-2 {
  width: 360px;
  height: 360px;
  background: #a142f4;
  bottom: 15%;
  right: 15%;
  animation: floatOrb 10s ease-in-out infinite alternate-reverse;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
  padding: 2.5rem;
  position: relative;
  z-index: 1;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  background: var(--primary-light);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary);
  box-shadow: var(--glass-shadow);
}

.login-title {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.login-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 0;
}

.login-footer {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   15. 動畫效果 (Keyframe Animations)
   ========================================================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes floatOrb {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(40px, 30px) scale(1.1);
  }
}

.fade-in {
  animation: fadeIn var(--transition-normal) ease forwards;
}

/* ==========================================================================
   16. AI 智慧助手專用樣式 (AI Assistant Components)
   ========================================================================== */
.ai-pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(52, 168, 83, 0.7);
  animation: aiPulse 2s infinite;
}

@keyframes aiPulse {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(52, 168, 83, 0.7);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 6px rgba(52, 168, 83, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(52, 168, 83, 0);
  }
}

.ai-floating-btn {
  background: linear-gradient(135deg, #4285f4 0%, #a855f7 100%) !important;
  box-shadow: 0 8px 24px rgba(66, 133, 244, 0.4) !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.ai-floating-btn:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 28px rgba(168, 85, 247, 0.5) !important;
}

.animate-fade-in {
  animation: fadeIn 0.3s ease-out forwards;
}

.ai-suggestion-box {
  transition: all 0.25s ease-in-out;
}