/**
 * twots.top - control.twots.top
 * 核心版面與基礎排版樣式 (Control Core CSS)
 */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  transition: background-color 0.25s ease, color 0.25s ease;
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* 頂部導覽列 */
.navbar {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* 主容器 */
.main-container {
  max-width: 1380px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* 數據卡片柵格 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.stat-info .stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.stat-info .stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-icon {
  font-size: 2rem;
  opacity: 0.85;
}

/* 分頁標籤導覽 (Tabs) */
.tabs-nav {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  overflow-x: auto;
  white-space: nowrap;
}

.tab-btn {
  background: none;
  border: none;
  padding: 0.75rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tab-btn:hover {
  color: var(--primary);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* 分頁內容 */
.tab-pane {
  display: none;
  animation: fadeIn 0.2s ease;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 面板與卡片 */
.panel {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.panel-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* 表格樣式 */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

.custom-table th {
  background-color: var(--card-hover);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.custom-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  vertical-align: middle;
}

.custom-table tr:hover td {
  background-color: var(--card-hover);
}

/* 標籤 (Badges) */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
}

.badge-success { background-color: var(--success-bg); color: var(--success); border: 1px solid var(--success); }
.badge-warning { background-color: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning); }
.badge-danger { background-color: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger); }
.badge-primary { background-color: var(--primary-light); color: var(--primary); border: 1px solid var(--primary); }
.badge-purple { background-color: var(--purple-bg); color: var(--purple); border: 1px solid var(--purple); }

/* 按鈕 (Buttons) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1.15rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: #ffffff;
  text-decoration: none;
}

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

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

.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  background-color: var(--card-hover);
  text-decoration: none;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

/* 表單控制 */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 0.6rem 0.85rem;
  font-size: 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* 主題切換按鈕 */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  background-color: var(--card-hover);
}