/* ============================================================
   ZHBackup – Restore & Migration — Premium Admin UI
   ============================================================ */

:root {
  --zhbackup-font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --zhbackup-primary: #6366F1;
  --zhbackup-primary-dark: #4F46E5;
  --zhbackup-primary-light: #A5B4FC;
  --zhbackup-primary-bg: rgba(99, 102, 241, 0.08);
  --zhbackup-accent: #06B6D4;
  --zhbackup-bg: #F1F5F9;
  --zhbackup-surface: #FFFFFF;
  --zhbackup-surface-alt: #F8FAFC;
  --zhbackup-border: #E2E8F0;
  --zhbackup-border-light: #F1F5F9;
  --zhbackup-text: #0F172A;
  --zhbackup-text-secondary: #475569;
  --zhbackup-text-muted: #94A3B8;
  --zhbackup-success: #10B981;
  --zhbackup-success-bg: #ECFDF5;
  --zhbackup-success-border: #6EE7B7;
  --zhbackup-error: #EF4444;
  --zhbackup-error-bg: #FEF2F2;
  --zhbackup-error-border: #FCA5A5;
  --zhbackup-warning: #F59E0B;
  --zhbackup-warning-bg: #FFFBEB;
  --zhbackup-warning-border: #FCD34D;
  --zhbackup-radius: 12px;
  --zhbackup-radius-sm: 8px;
  --zhbackup-radius-xs: 6px;
  --zhbackup-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
  --zhbackup-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --zhbackup-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --zhbackup-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Page Wrapper ---- */
.wrap.zhbackup-wrap {
  font-family: var(--zhbackup-font);
  color: var(--zhbackup-text);
  max-width: 960px;
  margin: 20px auto 40px;
  padding: 0 16px;
}

/* ---- Page Header ---- */
.zhbackup-page-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--zhbackup-border);
}

.zhbackup-page-header .zhbackup-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--zhbackup-primary), var(--zhbackup-accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.zhbackup-page-header h1 {
  font-size: 22px;
  font-weight: 700;
  margin: 0;
  padding: 0;
  color: var(--zhbackup-text);
  line-height: 1.3;
}

.zhbackup-page-header .zhbackup-subtitle {
  font-size: 13px;
  color: var(--zhbackup-text-muted);
  font-weight: 400;
  margin: 0;
}

/* ---- Cards ---- */
.zhbackup-card {
  background: var(--zhbackup-surface);
  border: 1px solid var(--zhbackup-border);
  border-radius: var(--zhbackup-radius);
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: var(--zhbackup-shadow);
  transition: box-shadow var(--zhbackup-transition);
}

.zhbackup-card:hover {
  box-shadow: var(--zhbackup-shadow-md);
}

.zhbackup-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--zhbackup-border-light);
}

.zhbackup-card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--zhbackup-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.zhbackup-card-icon.export {
  background: #EEF2FF;
  color: var(--zhbackup-primary);
}

.zhbackup-card-icon.import {
  background: #ECFDF5;
  color: var(--zhbackup-success);
}

.zhbackup-card-icon.find-replace {
  background: #FFF7ED;
  color: #F97316;
}

.zhbackup-card-icon.settings {
  background: #F1F5F9;
  color: #64748B;
}

.zhbackup-card-icon.status {
  background: #ECFEFF;
  color: var(--zhbackup-accent);
}

.zhbackup-card-icon.health {
  background: #FDF4FF;
  color: #A855F7;
}

.zhbackup-card-header h2 {
  font-size: 17px;
  font-weight: 600;
  margin: 0;
  color: var(--zhbackup-text);
}

.zhbackup-card-header p {
  font-size: 13px;
  color: var(--zhbackup-text-muted);
  margin: 2px 0 0;
}

/* ---- Buttons ---- */
.zhbackup-wrap .zhbackup-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--zhbackup-font);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--zhbackup-radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--zhbackup-transition);
  text-decoration: none;
  line-height: 1.4;
}

.zhbackup-btn-primary {
  background: linear-gradient(135deg, var(--zhbackup-primary), var(--zhbackup-primary-dark));
  color: #fff !important;
  box-shadow: 0 2px 4px rgba(99, 102, 241, 0.25);
}

.zhbackup-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
  color: #fff !important;
}

.zhbackup-btn-primary:active {
  transform: translateY(0);
}

.zhbackup-btn-success {
  background: linear-gradient(135deg, var(--zhbackup-success), #059669);
  color: #fff !important;
  box-shadow: 0 2px 4px rgba(16, 185, 129, 0.25);
}

.zhbackup-btn-success:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
  color: #fff !important;
}

.zhbackup-btn-secondary {
  background: var(--zhbackup-surface);
  color: var(--zhbackup-text-secondary) !important;
  border: 1px solid var(--zhbackup-border);
  box-shadow: var(--zhbackup-shadow);
}

.zhbackup-btn-secondary:hover {
  background: var(--zhbackup-surface-alt);
  border-color: #CBD5E1;
  color: var(--zhbackup-text) !important;
}

.zhbackup-btn-danger {
  background: var(--zhbackup-surface);
  color: var(--zhbackup-error) !important;
  border: 1px solid var(--zhbackup-error-border);
}

.zhbackup-btn-danger:hover {
  background: var(--zhbackup-error-bg);
}

.zhbackup-btn-sm {
  padding: 6px 14px;
  font-size: 13px;
  border-radius: var(--zhbackup-radius-xs);
}

.zhbackup-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ---- Checkboxes ---- */
.zhbackup-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
  margin-bottom: 20px;
}

/* ---- Section Headings (within cards) ---- */
.zhbackup-section-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--zhbackup-text);
  margin: 24px 0 8px;
  padding-top: 16px;
  border-top: 1px solid var(--zhbackup-border-light);
}

.zhbackup-section-heading .dashicons {
  font-size: 18px;
  width: 18px;
  height: 18px;
  color: var(--zhbackup-primary);
}

.zhbackup-section-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--zhbackup-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 12px 0 6px;
}

.zhbackup-checkbox-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--zhbackup-border);
  border-radius: var(--zhbackup-radius-sm);
  cursor: pointer;
  transition: all var(--zhbackup-transition);
  font-size: 14px;
  font-weight: 500;
  color: var(--zhbackup-text-secondary);
  background: var(--zhbackup-surface);
}

.zhbackup-checkbox-item:hover {
  border-color: var(--zhbackup-primary-light);
  background: var(--zhbackup-primary-bg);
  color: var(--zhbackup-primary-dark);
}

.zhbackup-checkbox-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  accent-color: var(--zhbackup-primary);
  cursor: pointer;
  margin: 0;
}

/* ---- Form Controls ---- */
.zhbackup-form-group {
  margin-bottom: 18px;
}

.zhbackup-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--zhbackup-text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.zhbackup-input,
.zhbackup-select {
  width: 100%;
  max-width: 480px;
  padding: 10px 14px;
  font-family: var(--zhbackup-font);
  font-size: 14px;
  border: 1px solid var(--zhbackup-border);
  border-radius: var(--zhbackup-radius-sm);
  background: var(--zhbackup-surface);
  color: var(--zhbackup-text);
  transition: all var(--zhbackup-transition);
  outline: none;
}

.zhbackup-input:focus,
.zhbackup-select:focus {
  border-color: var(--zhbackup-primary);
  box-shadow: 0 0 0 3px var(--zhbackup-primary-bg);
}

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

.zhbackup-file-input {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border: 2px dashed var(--zhbackup-border);
  border-radius: var(--zhbackup-radius-sm);
  background: var(--zhbackup-surface-alt);
  cursor: pointer;
  transition: all var(--zhbackup-transition);
  margin-bottom: 16px;
}

.zhbackup-file-input:hover {
  border-color: var(--zhbackup-primary-light);
  background: var(--zhbackup-primary-bg);
}

.zhbackup-file-input input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.zhbackup-file-input .dashicons {
  font-size: 24px;
  color: var(--zhbackup-text-muted);
}

.zhbackup-file-input span {
  font-size: 14px;
  color: var(--zhbackup-text-secondary);
  font-weight: 500;
}

/* Selected file state */
.zhbackup-file-input.zhbackup-file-selected {
  border-color: var(--zhbackup-success);
  background: rgba(16, 185, 129, 0.06);
}

.zhbackup-file-input.zhbackup-file-selected .dashicons {
  color: var(--zhbackup-success);
}

.zhbackup-file-input.zhbackup-file-selected .zhbackup-file-label {
  color: var(--zhbackup-text);
}

.zhbackup-file-size {
  font-weight: 400;
  color: var(--zhbackup-text-muted);
  font-size: 13px;
}

/* ---- Result Boxes ---- */
.zhbackup-result {
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: var(--zhbackup-radius-sm);
  font-size: 14px;
  line-height: 1.6;
  min-height: 24px;
  transition: all 0.3s ease;
}

.zhbackup-result:empty {
  display: none;
}

.zhbackup-result.zhbackup-loading {
  background: var(--zhbackup-surface-alt);
  border: 1px solid var(--zhbackup-border);
  color: var(--zhbackup-text-secondary);
}

.zhbackup-result.zhbackup-success {
  background: var(--zhbackup-success-bg);
  border: 1px solid var(--zhbackup-success-border);
  color: #065F46;
}

.zhbackup-result.zhbackup-error {
  background: var(--zhbackup-error-bg);
  border: 1px solid var(--zhbackup-error-border);
  color: #991B1B;
}

.zhbackup-result .spinner {
  margin-top: 0;
  vertical-align: middle;
}

.zhbackup-placeholder {
  margin: 0;
  color: var(--zhbackup-text-muted);
  font-style: italic;
  font-size: 13px;
}

/* ---- Progress Bar ---- */
.zhbackup-progress {
  padding: 10px 0;
}

.zhbackup-progress-bar {
  width: 100%;
  height: 10px;
  background: var(--zhbackup-border-light);
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 10px;
  position: relative;
}

.zhbackup-progress-bar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--zhbackup-primary), var(--zhbackup-accent));
  border-radius: 5px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.zhbackup-progress-bar span::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

.zhbackup-progress-text {
  font-size: 13px;
  color: var(--zhbackup-text-secondary);
  margin: 0;
  font-weight: 500;
}

/* ---- Tables ---- */
.zhbackup-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--zhbackup-border);
  border-radius: var(--zhbackup-radius-sm);
  overflow: hidden;
  font-size: 14px;
}

.zhbackup-table thead th {
  background: var(--zhbackup-surface-alt);
  font-weight: 600;
  color: var(--zhbackup-text-secondary);
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--zhbackup-border);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.zhbackup-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--zhbackup-border-light);
  vertical-align: middle;
  color: var(--zhbackup-text-secondary);
}

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

.zhbackup-table tbody tr:hover {
  background: var(--zhbackup-surface-alt);
}

.zhbackup-table code {
  background: var(--zhbackup-surface-alt);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--zhbackup-primary-dark);
  border: 1px solid var(--zhbackup-border-light);
}

.zhbackup-table .zhbackup-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* ---- Compact Table Variant (Existing Backups) ---- */
.zhbackup-table-compact {
  font-size: 12px;
}

.zhbackup-table-compact thead th {
  padding: 8px 12px;
  font-size: 10px;
  letter-spacing: 0.6px;
}

.zhbackup-table-compact tbody td {
  padding: 8px 12px;
}

.zhbackup-table-compact code {
  font-size: 11px;
  padding: 2px 6px;
  max-width: 220px;
  display: inline-block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: middle;
}

.zhbackup-table-compact .zhbackup-badge {
  font-size: 9px;
  padding: 2px 7px;
  letter-spacing: 0.4px;
}

.zhbackup-table-compact .zhbackup-actions {
  gap: 4px;
}

/* ---- Extra-Small Buttons ---- */
.zhbackup-btn-xs {
  padding: 4px 10px;
  font-size: 11px;
  gap: 4px;
  border-radius: 5px;
}

.zhbackup-btn-xs .dashicons {
  font-size: 14px;
  width: 14px;
  height: 14px;
  line-height: 14px;
}

/* ---- Status List ---- */
.zhbackup-status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.zhbackup-status-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--zhbackup-surface-alt);
  border: 1px solid var(--zhbackup-border-light);
  border-radius: var(--zhbackup-radius-sm);
}

.zhbackup-status-item strong {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--zhbackup-text-muted);
  white-space: nowrap;
}

.zhbackup-status-item code {
  font-size: 13px;
  color: var(--zhbackup-text);
  background: none;
  padding: 0;
  word-break: break-all;
}

/* ---- Badges ---- */
.zhbackup-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.zhbackup-badge-success {
  background: var(--zhbackup-success-bg);
  color: #065F46;
}

.zhbackup-badge-warning {
  background: var(--zhbackup-warning-bg);
  color: #92400E;
}

.zhbackup-badge-info {
  background: #EFF6FF;
  color: #1E40AF;
}

.zhbackup-badge-muted {
  background: var(--zhbackup-surface-alt);
  color: var(--zhbackup-text-muted);
}

/* ---- Callout ---- */
.zhbackup-callout {
  padding: 16px 20px;
  border-radius: var(--zhbackup-radius-sm);
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.6;
}

.zhbackup-callout-warning {
  border: 1px solid var(--zhbackup-warning-border);
  background: var(--zhbackup-warning-bg);
  color: #92400E;
}

.zhbackup-callout pre {
  margin: 8px 0 0;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.04);
  border-radius: 4px;
  font-size: 12px;
}

/* ---- Section Divider ---- */
.zhbackup-divider {
  border: none;
  border-top: 1px solid var(--zhbackup-border-light);
  margin: 24px 0;
}

/* ---- Retention Form ---- */
.zhbackup-retention-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.zhbackup-retention-row .zhbackup-select {
  max-width: 280px;
}

.zhbackup-retention-row .zhbackup-input {
  max-width: 100px;
}

.zhbackup-form-help {
  font-size: 12px;
  color: var(--zhbackup-text-muted);
  margin-top: 8px;
}

/* ---- Empty State ---- */
.zhbackup-empty {
  text-align: center;
  padding: 32px 20px;
  color: var(--zhbackup-text-muted);
  font-size: 14px;
}

.zhbackup-empty .dashicons {
  font-size: 36px;
  width: 36px;
  height: 36px;
  display: block;
  margin: 0 auto 12px;
  opacity: 0.4;
}

/* ---- Email Signup Card ---- */
.zhbackup-signup-card {
  position: relative;
  border-left: 4px solid var(--zhbackup-primary);
}

.zhbackup-signup-card p {
  font-size: 14px;
  color: var(--zhbackup-text-secondary);
  line-height: 1.6;
  margin: 0 0 16px;
}

.zhbackup-signup-dismiss {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: 1px solid var(--zhbackup-border);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  font-size: 18px;
  line-height: 1;
  color: var(--zhbackup-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--zhbackup-transition);
  padding: 0;
}

.zhbackup-signup-dismiss:hover {
  background: var(--zhbackup-error-bg);
  border-color: var(--zhbackup-error-border);
  color: var(--zhbackup-error);
}

/* ---- WP Admin Overrides ---- */
.zhbackup-wrap h1,
.zhbackup-wrap h2,
.zhbackup-wrap h3 {
  padding: 0;
}

.zhbackup-wrap .button {
  display: none;
}

.zhbackup-wrap .form-table {
  display: none;
}