/* components.css - 可复用组件 (按钮、卡片、表单、徽章等) */

/* ============================================
   按钮组件
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
  background: rgba(30, 43, 79, 0.8);
  border-color: rgba(0, 180, 255, 0.4);
  color: var(--text-primary);
}

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

.btn:active {
  transform: translateY(1px);
}

/* 按钮变体 */
.btn-primary {
  background: linear-gradient(95deg, var(--primary-dark), var(--primary));
  border-color: var(--primary-light);
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(95deg, var(--primary), var(--primary-light));
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-medium);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary);
}

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

.btn-outline:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: var(--primary);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.4);
  color: #f87171;
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.3);
  border-color: #ef4444;
}

/* 按钮尺寸 */
.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 0.8rem 1.6rem;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

/* ============================================
   卡片组件
   ============================================ */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

/* 卡片底部光晕线 */
.card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--primary-light), transparent);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.card:hover::after {
  transform: scaleX(1);
}

/* 卡片标题 */
.card h3 {
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.card p {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
  background: linear-gradient(135deg, #fff, var(--primary-light));
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

/* ============================================
   表单组件
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

.input-wrapper {
  position: relative;
  width: 100%;
}

.input-wrapper input,
.input-wrapper textarea,
.input-wrapper select {
  width: 100%;
  padding: 0.85rem 1rem;
  background: rgba(5, 12, 24, 0.7);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  outline: none;
  font-family: inherit;
}

.input-wrapper input:focus,
.input-wrapper textarea:focus,
.input-wrapper select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: rgba(8, 18, 34, 0.9);
}

.input-wrapper input::placeholder,
.input-wrapper textarea::placeholder {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* 错误状态 */
.input-wrapper.error input {
  border-color: var(--error);
}

.error-message {
  color: var(--error);
  font-size: 0.75rem;
  margin-top: var(--spacing-xs);
}

/* ============================================
   徽章组件
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: 0.3px;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-error {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary-light);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* ============================================
   表格组件
   ============================================ */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
}

.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-subtle);
}

.table th {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  background: rgba(0, 0, 0, 0.2);
}

.table tr:hover td {
  background: rgba(59, 130, 246, 0.05);
}

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

/* ============================================
   模态框组件
   ============================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal {
  background: var(--bg-secondary, #11182d);
  border-radius: var(--radius-xl, 24px);
  border: 1px solid var(--border-medium, rgba(59, 130, 246, 0.3));
  max-width: 500px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
  box-shadow: var(--shadow-lg, 0 8px 24px rgba(0, 0, 0, 0.4));
}

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

.modal-header {
  padding: var(--spacing-lg, 1.5rem);
  border-bottom: 1px solid var(--border-subtle, rgba(72, 187, 255, 0.15));
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary, #eef4ff);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary, #9cabca);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-fast, 0.15s ease);
  padding: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm, 8px);
}

.modal-close:hover {
  color: var(--error, #ef4444);
  background: rgba(239, 68, 68, 0.1);
}

.modal-body {
  padding: var(--spacing-lg, 1.5rem);
}

.modal-footer {
  padding: var(--spacing-lg, 1.5rem);
  border-top: 1px solid var(--border-subtle, rgba(72, 187, 255, 0.15));
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md, 1rem);
}

/* 模态框内的表单样式 */
.modal-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg, 1.5rem);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs, 0.25rem);
}

.form-row label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary, #9cabca);
  letter-spacing: 0.3px;
}

.form-row input,
.form-row select,
.form-row textarea {
  padding: 0.75rem 1rem;
  background: rgba(5, 12, 24, 0.7);
  border: 1px solid var(--border-medium, rgba(59, 130, 246, 0.3));
  border-radius: var(--radius-md, 12px);
  color: var(--text-primary, #eef4ff);
  font-size: 0.9rem;
  transition: all var(--transition-fast, 0.15s ease);
  outline: none;
  font-family: inherit;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--primary, #3b82f6);
  box-shadow: 0 0 0 3px var(--primary-glow, rgba(59, 130, 246, 0.3));
  background: rgba(8, 18, 34, 0.9);
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: var(--text-muted, #6b7b9e);
}

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

.form-row small {
  color: var(--text-muted, #6b7b9e);
  font-size: 0.7rem;
}

.modal-buttons {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md, 1rem);
  margin-top: var(--spacing-sm, 0.5rem);
}

/* 模态框内的按钮样式覆盖 */
.modal .btn {
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
}

/* 响应式模态框 */
@media (max-width: 640px) {
  .modal {
    width: 95%;
    margin: var(--spacing-md, 1rem);
  }
  
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--spacing-md, 1rem);
  }
  
  .modal-buttons {
    flex-direction: column;
  }
  
  .modal-buttons .btn {
    width: 100%;
  }
}

/* ============================================
   分割线 / 分隔符
   ============================================ */
.divider {
  height: 1px;
  background: var(--border-subtle);
  margin: var(--spacing-lg) 0;
}

/* ============================================
   加载动画
   ============================================ */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* 骨架屏加载 */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.03), rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================
   提示 / 工具提示
   ============================================ */
.tooltip {
  position: relative;
  cursor: help;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  border: 1px solid var(--border-subtle);
}

.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
  margin-bottom: 5px;
}