/* MFA Platform - Component Styles */

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

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

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  border: 1px solid var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-primary-light);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-regular);
  border: 1px solid transparent;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.btn-danger {
  background-color: var(--color-danger);
  color: white;
  border: 1px solid var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
  background-color: #dc2626;
}

.btn-warning {
  background-color: var(--color-warning);
  color: white;
  border: 1px solid var(--color-warning);
}

.btn-warning:hover:not(:disabled) {
  background-color: #d97706;
}

.btn-sm {
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-base);
}

.btn-icon {
  padding: var(--spacing-2);
}

/* ===== 卡片 ===== */
.card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  margin-bottom: var(--spacing-6);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-5);
  border-bottom: 1px solid var(--color-border);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.card-body {
  padding: var(--spacing-5);
}

.card-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);
  background-color: var(--color-bg-hover);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ===== 统计卡片 ===== */
.stat-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
  padding: var(--spacing-5);
}

.stat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-card-icon.primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.stat-card-icon.success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}

.stat-card-icon.warning {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
}

.stat-card-icon.danger {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
}

.stat-card-content {
  flex: 1;
}

.stat-card-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: 1;
}

.stat-card-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-1);
}

.stat-card-trend {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  font-size: var(--font-size-xs);
  margin-top: var(--spacing-2);
}

.stat-card-trend.up { color: var(--color-success); }
.stat-card-trend.down { color: var(--color-danger); }

/* ===== 表格 ===== */
.table-wrapper {
  overflow-x: auto;
}

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

.table th {
  text-align: left;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background-color: var(--color-bg-hover);
  border-bottom: 1px solid var(--color-border);
}

.table td {
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-regular);
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: middle;
}

.table tbody tr:hover {
  background-color: var(--color-bg-hover);
}

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

/* ===== 表单 ===== */
.form-group {
  margin-bottom: var(--spacing-4);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.form-label.required::after {
  content: '*';
  color: var(--color-danger);
  margin-left: var(--spacing-1);
}

.form-input {
  width: 100%;
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

textarea.form-input {
  display: block;
  line-height: 1.6;
}

.form-input:hover {
  border-color: var(--color-border-dark);
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

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

.form-input:disabled {
  background-color: var(--color-bg-hover);
  cursor: not-allowed;
}

/* readonly 输入框：可读但不可编辑 */
.form-input[readonly] {
  background-color: var(--color-bg-active);
  cursor: default;
  color: var(--color-text-regular);
}

.form-input[readonly]:focus {
  border-color: var(--color-border);
  box-shadow: none;
}

/* 深色模式下覆盖浏览器默认 input 样式（防止白底残留） */
[data-theme="dark"] .form-input {
  background-color: #1f2937 !important;
  color: #f3f4f6 !important;
  border-color: #374151 !important;
  color-scheme: dark;
  -webkit-appearance: none;
  appearance: none;
}

[data-theme="dark"] .form-input::placeholder {
  color: #6b7280 !important;
}

[data-theme="dark"] .form-input:hover {
  border-color: #4b5563 !important;
}

[data-theme="dark"] .form-input:focus {
  border-color: #10b981 !important;
  box-shadow: 0 0 0 3px #064e3b !important;
}

[data-theme="dark"] .form-input[readonly] {
  background-color: #374151 !important;
  color: #d1d5db !important;
}

[data-theme="dark"] .form-input:disabled {
  background-color: #111827 !important;
  color: #4b5563 !important;
}

/* 覆盖浏览器自动填充背景色（深色模式） */
[data-theme="dark"] .form-input:-webkit-autofill,
[data-theme="dark"] .form-input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px #1f2937 inset !important;
  -webkit-text-fill-color: #f3f4f6 !important;
  transition: background-color 9999s ease-out;
}

.form-input.error {
  border-color: var(--color-danger);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: var(--spacing-1);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-1);
}

/* ===== 通用间距工具 ===== */
.mt-3 { margin-top: var(--spacing-3); }
.mt-4 { margin-top: var(--spacing-4); }
.mb-4 { margin-bottom: var(--spacing-4); }
.my-4 {
  margin-top: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

/* ===== 选择框 ===== */
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-3) center;
  padding-right: var(--spacing-8);
}

/* ===== 状态标签 ===== */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--spacing-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
}

.tag-success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}

.tag-warning {
  background-color: var(--color-warning-bg);
  color: var(--color-warning);
}

.tag-danger {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
}

.tag-info {
  background-color: var(--color-info-bg);
  color: var(--color-info);
}

.tag-default {
  background-color: var(--color-bg-hover);
  color: var(--color-text-secondary);
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.pagination-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 var(--spacing-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-regular);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination-item:hover {
  background-color: var(--color-bg-hover);
}

.pagination-item.active {
  background-color: var(--color-primary);
  color: white;
}

.pagination-item:disabled {
  color: var(--color-text-disabled);
  cursor: not-allowed;
}

/* ===== 模态框 ===== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg-mask);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.modal {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.modal-wide {
  max-width: 960px;
}

.modal-backdrop.active .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-5);
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

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

.modal-body {
  padding: var(--spacing-5);
  overflow-y: auto;
}

.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);
  background-color: var(--color-bg-hover);
}

.user-edit-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-4) var(--spacing-5);
}

.user-edit-form-grid .form-group {
  margin-bottom: 0;
}

.user-edit-form-grid #edit-user-password-group {
  grid-column: 1 / -1;
}

@media (max-width: 900px) {
  .modal-wide {
    max-width: 640px;
  }

  .user-edit-form-grid {
    grid-template-columns: 1fr;
  }

  .user-edit-form-grid #edit-user-password-group {
    grid-column: auto;
  }
}

/* ===== Toast 消息 ===== */
.toast-container {
  position: fixed;
  top: var(--spacing-6);
  right: var(--spacing-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  max-width: 400px;
  animation: slideIn 0.3s ease;
}

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

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toast-success .toast-icon { color: var(--color-success); }
.toast-warning .toast-icon { color: var(--color-warning); }
.toast-danger .toast-icon { color: var(--color-danger); }
.toast-info .toast-icon { color: var(--color-info); }

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.toast-close {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-placeholder);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

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

/* ===== 空状态 ===== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-12);
  text-align: center;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  color: var(--color-text-placeholder);
  margin-bottom: var(--spacing-4);
}

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

.empty-state-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  max-width: 300px;
}

/* ===== 加载状态 ===== */
.loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg-mask);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

/* ===== 头像 ===== */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
  flex-shrink: 0;
}

.avatar-sm { width: 32px; height: 32px; font-size: var(--font-size-sm); }
.avatar-lg { width: 48px; height: 48px; font-size: var(--font-size-lg); }

/* ===== 下拉菜单 ===== */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 180px;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
}

.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-regular);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--spacing-2) 0;
}

/* ===== Push Page ===== */
.push-row {
  margin-bottom: var(--spacing-4);
}

.push-row .card {
  margin-bottom: 0;
}

.push-page .card-body {
  padding-top: var(--spacing-4);
  padding-bottom: var(--spacing-4);
}

.push-toggle-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-2);
}

.push-mode-switch {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  margin-top: var(--spacing-3);
  margin-bottom: var(--spacing-2);
}

.push-mode-item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.push-help-btn {
  width: 28px;
  height: 28px;
  min-width: 28px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
}

.push-help-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
}

.push-help-modal {
  width: min(680px, 100%);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.push-help-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-5);
  border-bottom: 1px solid var(--color-border);
}

.push-help-header h3 {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.push-help-body {
  padding: var(--spacing-4) var(--spacing-5);
  max-height: 70vh;
  overflow: auto;
}

.push-channel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-4);
}

.push-channel-card {
  margin-bottom: 0;
}

.push-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-3);
}

.push-inline-grid {
  display: grid;
  grid-template-columns: 200px 160px minmax(260px, 1fr);
  gap: var(--spacing-3);
}

/* 创建挑战结果框 */
.push-test-result-box {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-3) var(--spacing-4);
}

.push-test-result-inner {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.push-test-result-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.push-test-result-label {
  font-size: 12px;
  color: var(--color-text-secondary);
  min-width: 60px;
}

.push-test-result-value {
  font-size: 13px;
  color: var(--color-text-regular);
}

.push-test-passcode {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 6px;
  color: var(--color-primary);
  font-family: monospace;
}

/* 认证记录口令徽章 */
.push-passcode-badge {
  display: inline-block;
  background: var(--color-primary-light, #e8f5e9);
  color: var(--color-primary);
  font-weight: 700;
  font-family: monospace;
  letter-spacing: 2px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

@media (max-width: 1024px) {
  .push-channel-grid {
    grid-template-columns: 1fr;
  }

  .push-field-grid {
    grid-template-columns: 1fr;
  }

  .push-inline-grid {
    grid-template-columns: 1fr;
  }

  .push-mode-switch {
    flex-direction: column;
    gap: var(--spacing-2);
  }
}