/* ============================================
   Modal 组件 - Modal Component
   ============================================ */

/* ========== 遮罩层 ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: fadeIn var(--transition-normal);
}

/* ========== 模态框容器 ========== */
.modal {
  max-width: 90vw;
  max-height: 90vh;
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: scaleIn var(--transition-normal);
  border: 1px solid var(--color-border-light);
}

/* ========== 尺寸变体 ========== */
.modal-sm { width: 400px; }
.modal-md { width: 520px; }
.modal-lg { width: 720px; }
.modal-xl { width: 900px; }
.modal-full {
  width: 95vw;
  height: 90vh;
}

/* ========== 模态框头部 ========== */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-5);
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-bg-card-solid);
}

.modal-title {
  font-size: var(--font-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.modal-close svg {
  width: 18px;
  height: 18px;
}

/* ========== 模态框内容 ========== */
.modal-body {
  padding: var(--spacing-5);
  overflow-y: auto;
  max-height: calc(90vh - 120px);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ========== 模态框底部 ========== */
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-5);
  border-top: 1px solid var(--color-border-light);
  background: var(--color-bg-secondary);
}

/* ========== 确认对话框 ========== */
.confirm-modal .modal-body {
  text-align: center;
  padding: var(--spacing-8) var(--spacing-6);
}

.confirm-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.confirm-icon.warning {
  background: var(--color-warning-alpha-10);
  color: var(--color-warning);
}

.confirm-icon.danger {
  background: var(--color-danger-alpha-10);
  color: var(--color-danger);
}

.confirm-icon.success {
  background: var(--color-success-alpha-10);
  color: var(--color-success);
}

.confirm-icon.info {
  background: var(--color-primary-alpha-10);
  color: var(--color-primary);
}

.confirm-message {
  font-size: var(--font-lg);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
  font-weight: var(--font-weight-medium);
}

.confirm-description {
  font-size: var(--font-sm);
  color: var(--color-text-muted);
}

/* ========== 动画 ========== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

/* ========== 拖拽模态框 ========== */
.modal-draggable .modal-header {
  cursor: move;
  user-select: none;
  -webkit-user-select: none;
}

.modal-draggable .modal-header:active {
  cursor: grabbing;
}

/* ========== 可滚动头部 ========== */
.modal-header-scrollable {
  overflow-x: auto;
}

/* ========== 底部居左 */
.modal-footer-left {
  justify-content: flex-start;
}

/* ========== 底部居中 */
.modal-footer-center {
  justify-content: center;
}

/* ========== dialogs.js 使用的模态框样式 ========== */
.modal-dialog {
  width: 480px;
  max-width: 90vw;
  max-height: 80vh;
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: scaleIn var(--transition-normal);
  border: 1px solid var(--color-border-light);
  display: flex;
  flex-direction: column;
}

/* 模态框按钮 */
.modal-btn {
  padding: 8px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  font-size: var(--font-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-btn:hover {
  background: var(--color-bg-tertiary);
  border-color: var(--color-border-hover);
}

.modal-btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.modal-btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.modal-btn-danger {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: white;
}

.modal-btn-danger:hover {
  background: var(--color-danger-dark);
  border-color: var(--color-danger-dark);
}

/* ========== 关闭按钮 ========== */
.modal-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

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

/* ========== 三按钮对话框 ========== */
.modal-footer-three {
  justify-content: center;
  gap: var(--spacing-4);
  flex-wrap: nowrap;
}

.modal-dialog .modal-body.tight p {
  margin: 0;
  line-height: 1.4;
}

.modal-btn-three {
  flex: 1;
  padding: 12px 16px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  animation: slideUp var(--transition-normal) backwards;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
  white-space: nowrap;
}

.modal-btn-three:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
}

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

.modal-btn-three.primary {
  background: linear-gradient(135deg, #0066cc 0%, #0055aa 100%);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.25);
}

.modal-btn-three.primary:hover {
  box-shadow: 0 6px 16px rgba(0, 102, 204, 0.35);
}

.modal-btn-three.tertiary {
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.25);
}

.modal-btn-three.tertiary:hover {
  box-shadow: 0 6px 16px rgba(139, 92, 246, 0.35);
}

.modal-btn-three.secondary {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}