/* ==========================================================================
   TIEN MOBILE - PRODUCT ADMIN STYLESHEET
   Design System: Apple Minimalist
   Colors: #FFFFFF, #F5F5F7, #D2D2D7, #1D1D1F, #0071E3, #D70015
   Strictly NO gradients, NO blur/glassmorphism, NO glow, NO drop shadows, NO emoji.
   Flat cards with 1px border, 16px radius.
   ========================================================================== */

:root {
  --bg-page: #FFFFFF;
  --bg-surface: #F5F5F7;
  --bg-surface-hover: #EBEBEF;
  --border-color: #D2D2D7;
  --border-subtle: #E5E5EA;
  --text-primary: #1D1D1F;
  --text-secondary: #6E6E73;
  --accent-blue: #0071E3;
  --accent-blue-hover: #0077ED;
  --danger-red: #D70015;
  --danger-hover: #B80012;
  --success-green: #28CD41;
  --radius-card: 16px;
  --radius-sm: 8px;
  --radius-pill: 9999px;
  --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition-fast: 0.15s ease;
}

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

body.admin-body {
  font-family: var(--font-family);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* Accessible focus outline */
:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

/* UTILITY CLASSES */
.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   BUTTONS (Apple Pill Minimalist)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  min-height: 44px;
  white-space: nowrap;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
  min-height: 36px;
}

.btn-primary {
  background-color: var(--text-primary);
  color: #FFFFFF;
  border-color: var(--text-primary);
}

.btn-primary:hover:not(:disabled) {
  background-color: #000000;
  border-color: #000000;
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--bg-surface-hover);
  border-color: #B0B0B5;
}

.btn-danger {
  background-color: #FFF0F0;
  color: var(--danger-red);
  border-color: #FFC0C0;
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--danger-red);
  color: #FFFFFF;
  border-color: var(--danger-red);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

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

.btn-block {
  width: 100%;
}

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

.btn-loader {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ==========================================================================
   INPUTS & FORMS
   ========================================================================== */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.required {
  color: var(--danger-red);
}

.field-hint {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.form-input,
.form-textarea,
.select-input {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-family);
  font-size: 14px;
  color: var(--text-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
  min-height: 44px;
}

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

.form-input:focus,
.form-textarea:focus,
.select-input:focus {
  background-color: #FFFFFF;
  border-color: var(--accent-blue);
  outline: none;
}

.checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-blue);
  cursor: pointer;
}

.form-group-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
}

.checkbox-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
}

.alert-box {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 16px;
  line-height: 1.4;
}

.alert-error {
  background-color: #FFF2F2;
  border: 1px solid #FFD0D0;
  color: var(--danger-red);
}

/* ==========================================================================
   1. LOGIN SCREEN
   ========================================================================== */
.login-section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background-color: var(--bg-surface);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 32px 28px;
}

.login-header {
  text-align: center;
  margin-bottom: 24px;
}

.brand-logo {
  display: block;
  margin: 0 auto 12px auto;
}

.login-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.login-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.login-footer {
  margin-top: 24px;
  text-align: center;
}

.link-back {
  font-size: 13px;
  color: var(--accent-blue);
  text-decoration: none;
}

.link-back:hover {
  text-decoration: underline;
}

/* ==========================================================================
   2. MAIN ADMIN APP LAYOUT & TOP BAR
   ========================================================================== */
.admin-app {
  min-height: 100vh;
  background-color: var(--bg-page);
}

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
}

.topbar-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-text-group {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.brand-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.brand-tag {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 6px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
}

.search-bar {
  position: relative;
  flex: 1;
  max-width: 480px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 8px 36px 8px 36px;
  font-size: 14px;
  font-family: var(--font-family);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  color: var(--text-primary);
  min-height: 38px;
}

.search-input:focus {
  background-color: #FFFFFF;
  border-color: var(--accent-blue);
  outline: none;
}

.search-clear-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-email-badge {
  font-size: 13px;
  color: var(--text-secondary);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ==========================================================================
   BULK ACTIONS BAR
   ========================================================================== */
.bulk-action-bar {
  position: sticky;
  top: 63px;
  z-index: 45;
  background-color: #1D1D1F;
  color: #FFFFFF;
  padding: 10px 20px;
  border-bottom: 1px solid #000000;
}

.bulk-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.bulk-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.bulk-info .checkbox {
  accent-color: #FFFFFF;
}

.bulk-count {
  font-size: 14px;
}

.bulk-buttons {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.bulk-buttons .btn-secondary {
  background-color: #333336;
  color: #FFFFFF;
  border-color: #48484A;
}

.bulk-buttons .btn-secondary:hover {
  background-color: #48484A;
}

.bulk-buttons .btn-ghost {
  color: #D2D2D7;
}

.bulk-buttons .btn-ghost:hover {
  background-color: #2C2C2E;
  color: #FFFFFF;
}

/* ==========================================================================
   CONTAINER & FILTER CONTROLS
   ========================================================================== */
.admin-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px 20px;
}

.filter-controls-bar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.filter-chips {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
}

.chip {
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  white-space: nowrap;
  min-height: 36px;
  transition: all var(--transition-fast);
}

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

.chip.active {
  background-color: var(--text-primary);
  color: #FFFFFF;
  border-color: var(--text-primary);
}

.filter-dropdowns {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.filter-dropdowns .select-input {
  width: auto;
  min-width: 160px;
  min-height: 38px;
  font-size: 13px;
  padding: 6px 12px;
}

.product-counter-badge {
  font-size: 13px;
  color: var(--text-secondary);
  margin-left: auto;
}

/* ==========================================================================
   PRODUCT CARDS GRID (1 col mobile, 2 col tablet, 3-4 col desktop)
   ========================================================================== */
.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 640px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1280px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* SKELETON CARDS */
.skeleton-card {
  height: 420px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
}

/* PRODUCT CARD */
.product-card {
  position: relative;
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 16px;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-fast);
}

.product-card:hover {
  border-color: #B0B0B5;
}

.product-card.is-selected {
  border-color: var(--accent-blue);
  background-color: #F8FBFF;
}

.product-card.is-hidden-product {
  opacity: 0.72;
  background-color: #FAFAFA;
}

/* Card Top Row */
.card-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.card-select-wrapper {
  display: flex;
  align-items: center;
  min-height: 32px;
}

.card-badges {
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.badge-blue {
  background-color: #EFF6FF;
  border-color: #BFDBFE;
  color: var(--accent-blue);
}

.badge-hidden {
  background-color: #FFF0F0;
  border-color: #FFC0C0;
  color: var(--danger-red);
}

/* Image */
.card-image-box {
  position: relative;
  width: 100%;
  height: 180px;
  background-color: var(--bg-surface);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 14px;
}

.card-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  padding: 8px;
}

.card-no-img {
  color: var(--text-secondary);
  font-size: 13px;
}

/* Product Info */
.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-brand {
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

.card-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Price Section & Quick Inline Edit */
.card-price-section {
  margin-bottom: 12px;
}

.price-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
}

.quick-price-box {
  display: inline-flex;
  align-items: center;
  position: relative;
}

.price-display-btn {
  background: none;
  border: 1px dashed transparent;
  padding: 2px 4px;
  border-radius: 4px;
  font-family: var(--font-family);
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.price-display-btn:hover {
  background-color: var(--bg-surface);
  border-color: var(--border-color);
  color: var(--accent-blue);
}

.quick-price-input {
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  padding: 4px 8px;
  border: 2px solid var(--accent-blue);
  border-radius: 6px;
  background-color: #FFFFFF;
  width: 140px;
}

.price-saved-toast {
  position: absolute;
  top: -24px;
  left: 0;
  background-color: var(--text-primary);
  color: #FFFFFF;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
}

.card-old-price {
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: line-through;
}

/* Inventory Stepper & Visibility */
.card-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}

.stock-stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  background-color: var(--bg-surface);
  overflow: hidden;
}

.stepper-btn {
  background: none;
  border: none;
  width: 34px;
  height: 34px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.stepper-btn:hover:not(:disabled) {
  background-color: var(--bg-surface-hover);
}

.stepper-btn:disabled {
  color: var(--border-color);
  cursor: not-allowed;
}

.stepper-value {
  padding: 0 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 32px;
  text-align: center;
}

.visibility-btn {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  cursor: pointer;
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  min-height: 34px;
}

.visibility-btn.is-active {
  background-color: #F0FFF4;
  border-color: #B2F5EA;
  color: #15803D;
}

.visibility-btn.is-hidden {
  background-color: #FFF5F5;
  border-color: #FED7D7;
  color: var(--danger-red);
}

/* Action buttons: Sửa / Xóa */
.card-actions-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 64px 20px;
  background-color: var(--bg-surface);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-card);
}

.empty-icon {
  margin-bottom: 12px;
}

.empty-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.empty-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 6px 0 20px 0;
}

/* ==========================================================================
   3. MODAL & SHEET (Desktop Modal, Mobile Sheet)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background-color: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow-y: auto;
}

.modal-dialog {
  width: 100%;
  max-width: 760px;
  background-color: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 90vh;
}

.modal-dialog-sm {
  max-width: 440px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  background-color: #FFFFFF;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.btn-icon-close {
  background: none;
  border: none;
  font-size: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

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

.modal-form {
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-body {
  padding: 24px;
}

.dialog-text {
  font-size: 15px;
  color: var(--text-primary);
  line-height: 1.4;
}

.dialog-subtext {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
}

.text-danger {
  color: var(--danger-red);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-surface);
}

.form-fieldset {
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 18px;
  background-color: #FFFFFF;
}

.fieldset-legend {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0 8px;
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 12px;
}

.form-row:last-child {
  margin-bottom: 0;
}

.flex-1 { flex: 1 1 200px; }
.flex-2 { flex: 2 1 300px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }

/* Chips Input & Tags */
.chips-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.storage-chip-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
}

.chip-remove-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 11px;
  color: var(--text-secondary);
  padding: 0 2px;
}

.chip-remove-btn:hover {
  color: var(--danger-red);
}

/* Colors Dynamic List */
.colors-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.color-row-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.color-picker-input {
  width: 44px;
  height: 44px;
  padding: 2px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  background-color: #FFFFFF;
}

/* Image Upload & Preview */
.upload-actions-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

.btn-file-upload {
  cursor: pointer;
}

.upload-status-text {
  font-size: 12px;
  color: var(--text-secondary);
}

.image-preview-wrapper {
  display: flex;
  flex-direction: column;
}

.image-preview-box {
  width: 100%;
  height: 120px;
  background-color: var(--bg-surface);
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.preview-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.no-image-text {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 150;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  padding: 12px 20px;
  background-color: var(--text-primary);
  color: #FFFFFF;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid #000000;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toastIn 0.2s ease-out;
}

.toast-success {
  background-color: #0E7030;
  border-color: #0A5323;
}

.toast-error {
  background-color: var(--danger-red);
  border-color: #99000F;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   MOBILE RESPONSIVENESS (<= 640px)
   Mobile Sheet Modal, Full Width Inputs, 44px Touch Targets
   ========================================================================== */
@media (max-width: 640px) {
  .admin-topbar .topbar-inner {
    flex-wrap: wrap;
    padding: 10px 14px;
    gap: 10px;
  }

  .brand-area {
    order: 1;
  }

  .topbar-actions {
    order: 2;
  }

  .search-bar {
    order: 3;
    max-width: 100%;
    width: 100%;
  }

  .user-email-badge {
    display: none;
  }

  .admin-container {
    padding: 16px 14px;
  }

  /* Full screen sheet on mobile */
  .modal-backdrop {
    padding: 0;
    align-items: flex-end;
  }

  .modal-dialog {
    max-height: 92vh;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
  }

  .modal-form {
    padding: 16px;
  }

  .modal-footer {
    padding: 12px 16px;
  }

  .toast-container {
    left: 14px;
    right: 14px;
    bottom: 16px;
  }

  .toast {
    justify-content: center;
  }
}

/* ==========================================================================
   Trang quản trị đơn hàng (orders.html)
   ========================================================================== */
.ord-topbar { gap: 12px; flex-wrap: wrap; }
.ord-nav { display: flex; gap: 6px; }
.ord-main { max-width: 960px; margin: 0 auto; padding: 16px; }

.ord-tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.ord-tab {
  flex: 1;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--bg-surface);
  color: var(--text-primary);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.ord-tab.active { background: var(--text-primary); color: #FFFFFF; border-color: var(--text-primary); }
.ord-tab:focus-visible, .ord-chip:focus-visible { outline: 2px solid #0071E3; outline-offset: 2px; }
.ord-badge {
  display: inline-block;
  min-width: 22px;
  padding: 0 7px;
  margin-left: 4px;
  border-radius: 999px;
  background: #FFFFFF;
  color: var(--text-primary);
  font-size: 12px;
  line-height: 20px;
}

.ord-toolbar { margin-bottom: 12px; }
.ord-chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 8px; }
.ord-chip {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 6px 14px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: #FFFFFF;
  color: var(--text-primary);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
}
.ord-chip.active { background: var(--text-primary); color: #FFFFFF; border-color: var(--text-primary); }

.ord-list { display: grid; gap: 12px; }
.ord-empty { padding: 40px 0; text-align: center; color: var(--text-secondary); }

.ord-card {
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: #FFFFFF;
  padding: 16px;
  min-width: 0;
}
.ord-card-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 12px; }
.ord-code { font-weight: 700; font-size: 17px; }
.ord-time { color: var(--text-secondary); font-size: 13px; }
.ord-line { margin: 6px 0 0; font-size: 14px; overflow-wrap: anywhere; }
.ord-muted { color: var(--text-secondary); }
.ord-total { font-weight: 700; font-size: 17px; }
.ord-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; align-items: center; }
.ord-actions .select-input { width: auto; min-width: 160px; flex: 1 1 160px; }
.ord-note { margin-top: 12px; }
.ord-status-new { font-weight: 700; color: #0071E3; }

@media (min-width: 640px) {
  .ord-main { padding: 24px; }
}

/* Nhân viên (staff) không thấy nút xóa; quyền thật được chặn bởi Supabase RLS */
body[data-role="staff"] .btn-delete-prod,
body[data-role="staff"] #bulkDeleteBtn {
  display: none !important;
}

/* Trang bảo hành: hộp thoại thêm/sửa phiếu */
.w-dialog {
  width: min(520px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  padding: 20px;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: #FFFFFF;
  color: var(--text-primary);
  overflow-y: auto;
}
.w-dialog::backdrop { background: rgba(0, 0, 0, 0.4); }
.w-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 420px) { .w-row { grid-template-columns: 1fr; } }
body[data-role="staff"] [data-action="delete"] { display: none !important; }