/* ── 品牌色 CSS 變數 ── */
:root {
  --brand-primary: #2980b9;
  --brand-accent:  #e67e22;
  --brand-success: #198754;
}

html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--brand-primary);
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
  font-family: 'Microsoft JhengHei', 'Segoe UI', Arial, sans-serif;
}

.footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  white-space: nowrap;
  line-height: 60px;
}

/* 卡片樣式 */
.card {
  border-radius: 10px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.1) !important;
}

/* 導航列樣式 */
.navbar {
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: bold;
}

/* 表格樣式 */
.table {
  vertical-align: middle;
}

.table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

/* 按鈕樣式 */
.btn {
  border-radius: 6px;
  padding: 8px 20px;
  font-weight: 500;
}

/* 響應式調整 */
@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }
  
  .card-body {
    padding: 1rem !important;
  }
  
  .table-responsive {
    font-size: 0.875rem;
  }
  
  .btn-group-sm > .btn {
    padding: 0.25rem 0.5rem;
  }
}

/* 表單樣式 */
.form-control:focus, .form-select:focus {
  border-color: #0d6efd;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* 自訂滾動條 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* 動畫效果 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}