frontend/css/style.css

/* CSS Variables for Design System - Updated 2025-01-10 */
:root {
  /* Colors - GitHub Dark Theme Inspired */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-overlay: rgba(13, 17, 23, 0.8);
  
  --border-primary: #30363d;
  --border-secondary: #21262d;
  
  --text-primary: #e6edf3;
  --text-secondary: #7d8590;
  --text-tertiary: #656d76;
  
  --accent-blue: #58a6ff;
  --accent-green: #3fb950;
  --accent-red: #f85149;
  --accent-yellow: #d29922;
  --accent-purple: #a5a4ff;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent-blue), #79c0ff);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 12px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 12px 20px rgba(0, 0, 0, 0.5);
  
  /* Layout */
  --sidebar-width: 280px;
  --sidebar-collapsed: 80px;
  --header-height: 70px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
  background: var(--gradient-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-overlay);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(10px);
  transition: opacity var(--transition-normal);
}

.loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-primary);
  border-top: 3px solid var(--accent-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-md);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Layout Container */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border-right: 1px solid var(--border-primary);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 1000;
  transition: transform var(--transition-normal);
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

.sidebar-header {
  padding: var(--spacing-xl) var(--spacing-lg);
  border-bottom: 1px solid var(--border-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.logo i {
  font-size: 1.5rem;
  color: var(--accent-blue);
}

.logo h3 {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.2;
  background: var(--gradient-accent);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo span {
  font-size: 0.85rem;
  font-weight: 400;
}

.sidebar-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  display: none;
}

.sidebar-toggle:hover {
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* Navigation Menu */
.nav-menu {
  list-style: none;
  padding: var(--spacing-lg) 0;
  flex: 1;
}

.nav-item {
  margin: var(--spacing-xs) var(--spacing-md);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  font-weight: 500;
}

.nav-link:hover {
  background: var(--bg-primary);
  color: var(--text-primary);
  transform: translateX(2px);
}

.nav-item.active .nav-link {
  background: linear-gradient(135deg, var(--accent-blue), #4493f8);
  color: white;
  box-shadow: var(--shadow-md);
}

.nav-link i {
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-primary);
}

.system-status {
  margin-bottom: var(--spacing-lg);
}

.status-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.status-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.8rem;
}

.status-indicator.online i {
  color: var(--accent-green);
}

.status-indicator.offline i {
  color: var(--accent-red);
}

.status-indicator.checking i {
  color: var(--accent-yellow);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.sidebar-actions {
  margin-bottom: var(--spacing-lg);
}

.version-info {
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.75rem;
  line-height: 1.4;
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-normal);
}

.sidebar.collapsed ~ .main-content {
  margin-left: var(--sidebar-collapsed);
}

/* Header */
.main-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  padding: 0 var(--spacing-xl);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.mobile-menu-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  display: none;
  position: relative;
  z-index: 1001;
  /* 防止按鈕被遮擋 */
  pointer-events: auto;
  /* 確保按鈕在所有裝置上都能正常點擊 */
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.mobile-menu-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

#pageTitle {
  font-size: 1.5rem;
  font-weight: 600;
  background: var(--gradient-accent);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Content Container */
.content-container {
  flex: 1;
  padding: var(--spacing-xl);
  position: relative;
}

.page-content {
  display: none;
  animation: fadeIn var(--transition-normal);
}

.page-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
  background: none;
  color: var(--text-primary);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), #4493f8);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #4493f8, #357abd);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--border-primary);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, var(--accent-green), #46954a);
  color: white;
}

.btn-success:hover:not(:disabled) {
  background: linear-gradient(135deg, #46954a, #2f7d32);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--accent-red), #ff6b6b);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: linear-gradient(135deg, #ff6b6b, #e53e3e);
  transform: translateY(-1px);
}

.btn-refresh {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  width: 100%;
  justify-content: center;
  padding: var(--spacing-md);
}

.btn-refresh:hover {
  background: var(--bg-primary);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.8rem;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
}

/* Cards */
.card {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.card-title i {
  color: var(--accent-blue);
}

.card-body {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Metric Cards */
.metric-card {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-primary);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), #79c0ff, #a5f3fc);
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.metric-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-sm);
}

.metric-value {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-accent);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--spacing-xs);
}

.metric-change {
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.metric-change.positive {
  color: var(--accent-green);
}

.metric-change.negative {
  color: var(--accent-red);
}

/* Grid Layout */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.form-select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  padding-right: 3rem;
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%23c9d1d9' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 6l3 3 3-3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.3);
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-help {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-top: var(--spacing-xs);
}

/* Tables */
.table-container {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-primary);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  border-bottom: 1px solid var(--border-primary);
}

.table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table td {
  color: var(--text-secondary);
}

.table tbody tr:hover {
  background: rgba(88, 166, 255, 0.1);
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success {
  background: rgba(63, 185, 80, 0.2);
  color: var(--accent-green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.badge-warning {
  background: rgba(210, 153, 34, 0.2);
  color: var(--accent-yellow);
  border: 1px solid rgba(210, 153, 34, 0.3);
}

.badge-error {
  background: rgba(248, 81, 73, 0.2);
  color: var(--accent-red);
  border: 1px solid rgba(248, 81, 73, 0.3);
}

.badge-info {
  background: rgba(88, 166, 255, 0.2);
  color: var(--accent-blue);
  border: 1px solid rgba(88, 166, 255, 0.3);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  max-width: 400px;
  animation: slideIn var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.toast::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.toast.success::before { background: var(--accent-green); }
.toast.error::before { background: var(--accent-red); }
.toast.warning::before { background: var(--accent-yellow); }
.toast.info::before { background: var(--accent-blue); }

.toast-icon {
  font-size: 1.2rem;
}

.toast.success .toast-icon { color: var(--accent-green); }
.toast.error .toast-icon { color: var(--accent-red); }
.toast.warning .toast-icon { color: var(--accent-yellow); }
.toast.info .toast-icon { color: var(--accent-blue); }

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.toast-message {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.toast-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 250px;
  }
  
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 1rem;
  }

  .sidebar {
    transform: translateX(-100%);
    /* 確保側邊欄在手機模式下完全隱藏 */
    transition: transform var(--transition-normal);
  }

  .sidebar.open {
    transform: translateX(0);
    z-index: 999;
    /* 確保側邊欄在打開時不會被其他元素遮擋 */
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
  }

  /* 側邊欄打開時的遮罩層 */
  .main-content.sidebar-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 1;
    pointer-events: auto;
    transition: opacity var(--transition-normal);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .sidebar-toggle {
    display: block;
  }
  
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 手機版 metric-card 優化 */
  .metric-card {
    padding: var(--spacing-md);
  }

  .metric-title {
    font-size: 0.75rem;
    margin-bottom: calc(var(--spacing-sm) * 0.5);
  }

  .metric-value {
    font-size: 1.6rem;
  }

  .metric-change {
    font-size: 0.75rem;
  }

  .main-header {
    padding: 0 var(--spacing-lg);
  }
  
  .content-container {
    padding: var(--spacing-lg);
  }
  
  .toast-container {
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    left: var(--spacing-lg);
  }
  
  .toast {
    max-width: none;
  }
}

@media (max-width: 480px) {
  .metric-value {
    font-size: 1.5rem;
  }
  
  .card {
    padding: var(--spacing-lg);
  }
  
  .table th,
  .table td {
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

/* Dark mode specific adjustments */
@media (prefers-color-scheme: dark) {
  /* Already optimized for dark theme */
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.w-full { width: 100%; }

/* Settings page specific styles */
.settings-page .form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.system-info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-muted);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 600;
    color: var(--text-primary);
}

.info-value {
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 500;
}

.connection-status.success {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    color: var(--success-text);
}

.connection-status.error {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: var(--danger-text);
}

.connection-status.testing {
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    color: var(--warning-text);
}

.connection-status.unknown {
    background: var(--surface-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.connection-status small {
    font-size: 0.8rem;
    opacity: 0.8;
}

.spinner-sm {
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.form-help {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Login page styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background-primary);
    padding: 2rem;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--surface-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

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

.login-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.login-form .form-group {
    margin-bottom: 0;
}

.login-form .btn {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
}

.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Input group for password toggle */
.input-group {
    position: relative;
    display: flex;
}

.input-group .form-input {
    padding-right: 3rem;
}

.input-group-btn {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    padding: 0 0.75rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

.input-group-btn:hover {
    color: var(--text-primary);
}

.input-group-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: -2px;
    border-radius: 4px;
}

/* User profile in header */
.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-email {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    padding: 0.25rem 0;
    min-height: 1.8rem;
}

/* Loading overlay improvements */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(13, 17, 23, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.loading-overlay.hidden {
    display: none;
}

.loading-overlay .loading-content {
    text-align: center;
    color: var(--text-primary);
}

.loading-overlay .spinner {
    margin-bottom: 1rem;
}
.h-full { height: 100%; }

/* ===== MODAL STYLES ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(13, 17, 23, 0.9);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-height: 90vh;
    overflow-y: auto;
    width: 90%;
    max-width: 500px;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-lg {
    max-width: 700px;
}

.modal-sm {
    max-width: 400px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
}

.modal-title {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
}

/* License Form Styles */
.license-form .form-group {
    margin-bottom: var(--spacing-lg);
}

.license-form .form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 500;
}

.license-form .form-input,
.license-form .form-select,
.license-form .form-textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.2s ease;
}

.license-form .form-select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    padding-right: 3rem;
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%23c9d1d9' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 6l3 3 3-3'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px;
}

.license-form .form-input:focus,
.license-form .form-select:focus,
.license-form .form-textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
}

.license-form .form-textarea {
    resize: vertical;
    min-height: 80px;
}

/* Confirm Dialog Styles */
.confirm-dialog {
    text-align: center;
    padding: var(--spacing-lg);
}

.confirm-dialog p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.4;
}

/* ===== ENHANCED TABLE STYLES ===== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-secondary);
    font-size: 0.9rem;
}

.table th,
.table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-primary);
    vertical-align: top;
}

.table th {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 600;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 1;
}

.table tr:hover {
    background: rgba(88, 166, 255, 0.05);
}

/* User Info Cell */
.user-info {
    min-width: 200px;
}

.user-name {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}


.license-created {
    color: var(--text-tertiary);
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* License Code Cell */
.license-code-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 150px;
}

.license-code {
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--accent-blue);
    border: 1px solid var(--border-primary);
}

.btn-copy {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.btn-copy:hover {
    color: var(--accent-blue);
    background: var(--bg-tertiary);
}

/* Hardware ID */
.hardware-id {
    font-family: 'Courier New', monospace;
    color: var(--text-secondary);
    font-size: 0.8rem;
    max-width: 120px;
    word-break: break-all;
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-success {
    background: rgba(63, 185, 80, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(63, 185, 80, 0.3);
}

.badge-warning {
    background: rgba(210, 153, 34, 0.15);
    color: var(--accent-yellow);
    border: 1px solid rgba(210, 153, 34, 0.3);
}

.badge-danger {
    background: rgba(248, 81, 73, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(248, 81, 73, 0.3);
}

.badge-secondary {
    background: rgba(125, 133, 144, 0.15);
    color: var(--text-secondary);
    border: 1px solid rgba(125, 133, 144, 0.3);
}

.badge-error {
    background: rgba(248, 81, 73, 0.15);
    color: var(--accent-red);
    border: 1px solid rgba(248, 81, 73, 0.3);
}

/* Expiry Info */
.expires-info {
    min-width: 140px;
}

.expires-date {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 0.8rem;
}

.expiry-warning {
    font-size: 0.7rem;
    padding: 2px var(--spacing-xs);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 4px;
}

.expiry-warning.expired {
    background: rgba(248, 81, 73, 0.15);
    color: var(--accent-red);
}

.expiry-warning.warning {
    background: rgba(210, 153, 34, 0.15);
    color: var(--accent-yellow);
}

.expiry-warning.info {
    background: rgba(88, 166, 255, 0.15);
    color: var(--accent-blue);
}

/* Last Used */
.last-used {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.action-buttons .btn {
    min-width: auto;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .table {
        font-size: 0.8rem;
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm);
    }
    
    .user-info {
        min-width: 150px;
    }
}

@media (max-width: 768px) {
    .table-container {
        font-size: 0.75rem;
    }
    
    .table th,
    .table td {
        padding: var(--spacing-xs);
    }
    
    .user-info {
        min-width: 120px;
    }
    
    .license-code-cell {
        min-width: 100px;
    }
    
    .action-buttons .btn {
        font-size: 0.7rem;
        padding: 4px 6px;
    }
}

/* Card Border Bottom */
.border-bottom {
    border-bottom: 1px solid var(--border-primary) !important;
}

/* ===== COMPACT LICENSE CARDS ===== */
.licenses-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.license-card-compact {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.2s ease;
    height: fit-content;
}

.license-card-compact:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.1);
    transform: translateY(-2px);
}

/* Card Header */
.card-header-compact {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-primary);
    background: var(--bg-tertiary);
    min-height: 60px;
}

.user-section {
    flex: 1;
    min-width: 0;
}

.user-name {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    line-height: 1.3;
}

.user-email {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    padding: 0.25rem 0;
    min-height: 1.8rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.status-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs) 0;
}

/* Card Body */
.card-body-compact {
    padding: var(--spacing-md);
}

.info-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    line-height: 1.2;
}

.info-value {
    color: var(--text-primary);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    line-height: 1.3;
    flex-wrap: wrap;
}

.info-value .license-code {
    font-size: 0.75rem;
    padding: 2px 6px;
    margin-right: var(--spacing-xs);
}

.info-value .hardware-id {
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    word-break: break-word;
    line-height: 1.2;
}

.info-value .expires-date {
    font-size: 0.8rem;
    line-height: 1.2;
}

.info-value .last-used {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.2;
}

/* Card Footer */
.card-footer-compact {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid var(--border-primary);
    background: rgba(33, 38, 45, 0.3);
    min-height: 44px;
}

.created-info {
    color: var(--text-tertiary);
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    line-height: 1.2;
}

.action-buttons {
    display: flex;
    gap: 6px;
}

/* Action buttons in card header - moved to main definition */

.action-buttons .btn {
    padding: 6px 10px;
    font-size: 0.75rem;
    min-width: auto;
    line-height: 1;
}

/* Expiry Warning in Cards */
.info-value .expiry-warning {
    margin-top: 3px;
    font-size: 0.7rem;
    padding: 2px 6px;
    line-height: 1.1;
}

/* Responsive Design for Cards */
@media (max-width: 1200px) {
    .licenses-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .licenses-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .license-card-compact {
        margin: 0;
    }
    
    .card-header-compact {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }
    
    .status-section {
        margin-left: 0;
        text-align: right;
    }
    
    .info-grid {
        gap: var(--spacing-xs);
    }
    
    .card-footer-compact {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }
}

/* Horizontal License Cards */
.license-card-horizontal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.2s ease;
    height: fit-content;
    margin-bottom: var(--spacing-sm);
}

.license-card-horizontal:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.1);
    transform: translateY(-2px);
}

/* Horizontal Card Header */
.card-header-horizontal {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-primary);
    background: var(--bg-tertiary);
    min-height: 56px;
}

.card-header-horizontal .user-section {
    flex: 1;
}

.card-header-horizontal .status-section {
    margin-left: auto;
    justify-content: flex-end;
    flex: none;
}

.card-header-horizontal .action-buttons {
    margin-left: var(--spacing-sm);
}

.card-header-horizontal .user-name {
    margin: 0;
    padding: 0;
    margin-bottom: 2px;
    font-size: 0.9rem;
    line-height: 1.2;
}

.card-header-horizontal .user-email {
    margin: 0;
    padding: 0;
    font-size: 0.75rem;
    line-height: 1.1;
}

/* Horizontal Card Body - 4 Equal Columns */
.card-body-horizontal {
    display: flex;
    min-height: 80px;
}

.info-column {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border-right: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.info-column:nth-child(1) {
    flex: 1.5; /* 授權碼 */
}

.info-column:nth-child(2) {
    flex: 1.5; /* 機器名稱 */
}

.info-column:nth-child(3) {
    flex: 1.5; /* 硬體ID - 較寬 */
}

.info-column:nth-child(4) {
    flex: 1.3; /* 到期時間 */
}

.info-column:nth-child(5) {
    flex: 1.0; /* 狀態 */
}

.info-column:last-child {
    border-right: none;
}

.column-header {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.column-content {
    color: var(--text-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    min-height: 24px;
}

/* Compact Elements for Horizontal Cards */
.license-code-compact {
    background: var(--bg-primary);
    color: var(--accent-blue);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.8rem;
    border: 1px solid var(--border-primary);
    font-weight: 500;
}

.btn-copy-xs {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
    font-size: 0.7rem;
    flex-shrink: 0;
}

.btn-copy-xs:hover {
    color: var(--accent-blue);
    background: var(--bg-tertiary);
}

.hardware-id-compact {
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    word-break: break-all;
    line-height: 1.2;
}

.hardware-id-full {
    font-size: 0.9rem;
    color: var(--text-primary);
    word-break: break-all;
    line-height: 1.4;
    display: block;
    margin-right: 8px;
    width: 100%;
    max-width: 400px;
    overflow-wrap: break-word;
    white-space: normal;
}

/* 延長授權表單樣式 */
.user-info-display {
    background: var(--bg-tertiary);
    padding: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-primary);
}

.current-expiry {
    background: var(--bg-primary);
    color: var(--accent-blue);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-primary);
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.9rem;
}

/* 機器名稱詳情樣式 */
.machine-name-detail {
    display: flex;
    align-items: center;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.machine-name-detail i {
    color: var(--accent-green);
    margin-right: 8px;
    flex-shrink: 0;
}

.machine-name-compact {
    display: flex;
    align-items: center;
    color: var(--text-primary);
    font-size: 0.8rem;
}

.machine-name-compact i {
    color: var(--accent-green);
    margin-right: 6px;
    flex-shrink: 0;
}

/* 硬體ID詳情樣式 */
.hardware-id-detail {
    display: flex;
    align-items: flex-start;
    width: 100%;
}

/* 詳情視窗樣式優化 */
.license-details-modal .details-grid,
.log-details .details-grid {
    gap: 1.5rem;
}

.license-details-modal .detail-item,
.log-details .detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.license-details-modal .detail-item label,
.log-details .detail-item label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.license-details-modal .d-flex.align-center,
.log-details .d-flex.align-center {
    align-items: center;
    gap: 12px;
}

/* 授權碼樣式優化 */
.license-code {
    background: var(--bg-primary);
    color: var(--accent-blue);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-primary);
    font-family: 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.9rem;
    word-break: break-all;
    line-height: 1.4;
    flex: 1;
}

.expires-date-compact {
    font-size: 0.85rem;
    line-height: 1.2;
}

.last-used-compact {
    color: var(--text-secondary);
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Machine Name Styles */
.machine-name {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.machine-name i {
    margin-right: 0.5rem;
    color: var(--accent-blue);
}

.machine-name-compact {
    display: inline-flex;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    gap: 4px;
}

.machine-name-compact i {
    font-size: 0.75rem;
    color: var(--accent-blue);
    flex-shrink: 0;
}

/* XS Buttons for Horizontal Cards */
.btn-xs {
    padding: 3px 6px;
    font-size: 0.7rem;
    line-height: 1;
    border-radius: var(--radius-sm);
    min-width: auto;
}

.action-buttons .btn-xs {
    margin-left: 2px;
}

/* Responsive Design for Horizontal Cards */
@media (max-width: 768px) {
    .card-body-horizontal {
        flex-direction: column;
        min-height: auto;
    }
    
    .info-column {
        border-right: none;
        border-bottom: 1px solid var(--border-primary);
        padding: var(--spacing-xs) var(--spacing-md);
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        min-height: 40px;
    }
    
    .info-column:last-child {
        border-bottom: none;
    }
    
    .column-header {
        margin-bottom: 0;
        flex-shrink: 0;
        margin-right: var(--spacing-sm);
    }
    
    .column-content {
        justify-content: flex-end;
        min-height: auto;
    }
    
    .card-header-horizontal {
        padding: var(--spacing-xs) var(--spacing-sm);
        min-height: 48px;
    }
    
    .card-header-horizontal .user-name {
        font-size: 0.8rem;
        margin-bottom: 1px;
    }
    
    .card-header-horizontal .user-email {
        font-size: 0.7rem;
    }
    
    .card-header-horizontal .status-section {
        justify-content: flex-end;
        flex: none;
    }
    
    .card-header-horizontal .action-buttons {
        display: flex;
        gap: 4px;
    }
    
    .card-header-horizontal .action-buttons .btn {
        padding: 6px 8px;
        font-size: 0.7rem;
        min-height: 26px;
    }
}

/* ===== SEARCH INPUT WITH ICON ===== */
.search-input-container {
    position: relative;
    display: block;
    width: 100%;
}

.search-input-container i {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    z-index: 1;
    pointer-events: none;
}

.search-input {
    padding-left: 2.5rem !important;
    width: 100%;
}

/* ===== FORM HELPERS AND INFO BOXES ===== */
.form-help {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
    line-height: 1.3;
}

.info-box {
    background: rgba(88, 166, 255, 0.05);
    border: 1px solid rgba(88, 166, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.info-title {
    color: var(--accent-blue);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.info-content p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin: 0 0 var(--spacing-xs) 0;
    line-height: 1.4;
}

.info-content p:last-child {
    margin-bottom: 0;
}

/* ===== REFRESH BUTTON STYLING ===== */
.refresh-btn {
    height: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    width: auto;
    margin-left: auto;
}

/* ===== ACTION BUTTONS GROUP ===== */
.action-buttons-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-left: auto;
}

.action-buttons-group .btn {
    height: 40px;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

/* ===== LICENSE COUNT STYLING ===== */
.license-count {
    margin-left: 2rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}