/* TN Pro — components */

/* Buttons */
.tn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--tn-space-2);
  padding: var(--tn-space-3) var(--tn-space-5);
  border-radius: var(--tn-radius-md);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: var(--tn-text-sm);
  cursor: pointer;
  transition:
    background var(--tn-duration-fast) var(--tn-ease-standard),
    color var(--tn-duration-fast) var(--tn-ease-standard),
    box-shadow var(--tn-duration-fast) var(--tn-ease-standard),
    transform var(--tn-duration-fast) var(--tn-ease-standard);
}

.tn-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.tn-btn:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--tn-color-primary) 45%, white);
  outline-offset: 2px;
}

.tn-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.tn-btn--primary {
  background: var(--tn-color-primary);
  color: var(--tn-color-on-primary);
}

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

.tn-btn--secondary {
  background: var(--tn-color-secondary);
  color: var(--tn-color-on-secondary);
}

.tn-btn--ghost {
  background: transparent;
  color: var(--tn-color-primary);
}

.tn-btn--ghost:hover:not(:disabled) {
  background: var(--tn-color-surface-low);
}

.tn-btn--danger {
  background: var(--tn-color-error);
  color: var(--tn-color-error-on);
}

.tn-btn--block {
  width: 100%;
}

.tn-btn--sm {
  padding: var(--tn-space-2) var(--tn-space-3);
  font-size: var(--tn-text-xs);
}

.tn-btn--icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
}

/* Inputs */
.tn-field {
  display: flex;
  flex-direction: column;
  gap: var(--tn-space-1);
}

.tn-label {
  font-size: var(--tn-text-sm);
  font-weight: 600;
  color: var(--tn-color-on-surface-variant);
}

.tn-label-req {
  color: var(--tn-color-error);
  font-weight: 700;
  margin-left: 0.125rem;
}

.tn-input--numeric {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.tn-input,
.tn-select,
.tn-textarea {
  width: 100%;
  border: none;
  border-radius: var(--tn-radius-md);
  padding: var(--tn-space-3) var(--tn-space-4);
  background: var(--tn-color-surface-low);
  color: var(--tn-color-on-surface);
  font-size: var(--tn-text-base);
  transition: box-shadow var(--tn-duration-fast) var(--tn-ease-standard);
}

.tn-input::placeholder,
.tn-textarea::placeholder {
  color: var(--tn-color-outline);
}

.tn-input:focus,
.tn-select:focus,
.tn-textarea:focus {
  outline: none;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--tn-color-primary) 40%, transparent);
}

/** Vi\u1ec1n r\u00f5 r\u00e0ng (sheet/modal) \u2014 base .tn-input c\u00f3 border: none. */
.tn-input.tn-input--outline {
  border: 1px solid color-mix(in srgb, var(--tn-color-outline-variant) 70%, transparent);
  background: var(--tn-color-surface-container-lowest);
}

.tn-input.tn-input--outline:focus {
  border-color: color-mix(in srgb, var(--tn-color-primary) 42%, var(--tn-color-outline-variant));
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--tn-color-primary) 28%, transparent),
    0 0 0 3px color-mix(in srgb, var(--tn-color-primary) 18%, transparent);
}

.tn-field--error .tn-input,
.tn-field--error .tn-textarea {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--tn-color-error) 45%, transparent);
}

.tn-hint {
  font-size: var(--tn-text-xs);
  color: var(--tn-color-on-surface-variant);
}

.tn-error-text {
  font-size: var(--tn-text-xs);
  color: var(--tn-color-error);
}

/* Card & surface */
.tn-card {
  background: #fff;
  border-radius: var(--tn-radius-lg);
  box-shadow: var(--tn-shadow-sm);
  border: 1px solid var(--tn-color-outline-variant);
}

.tn-card--raised {
  box-shadow: var(--tn-shadow-md);
}

.tn-card__body {
  padding: var(--tn-space-4);
}

.dark .tn-card {
  background: var(--tn-color-surface-container);
  border-color: var(--tn-color-outline-variant);
}

/* Badge & chip */
.tn-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  border-radius: var(--tn-radius-full);
  font-size: var(--tn-text-xs);
  font-weight: 600;
}

.tn-badge--primary {
  background: color-mix(in srgb, var(--tn-color-primary) 18%, white);
  color: var(--tn-color-primary);
}

.tn-badge--neutral {
  background: var(--tn-color-surface-variant);
  color: var(--tn-color-on-surface);
}

.tn-badge--success {
  background: color-mix(in srgb, var(--tn-color-success) 18%, white);
  color: var(--tn-color-success);
}

.tn-badge--warning {
  background: color-mix(in srgb, var(--tn-color-warning) 18%, white);
  color: var(--tn-color-warning);
}

.tn-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--tn-space-1);
  padding: var(--tn-space-2) var(--tn-space-3);
  border-radius: var(--tn-radius-full);
  border: 1px solid var(--tn-color-outline-variant);
  font-size: var(--tn-text-xs);
  font-weight: 600;
  background: #fff;
  cursor: pointer;
}

.tn-chip--active {
  border-color: var(--tn-color-primary);
  background: color-mix(in srgb, var(--tn-color-primary) 12%, white);
  color: var(--tn-color-primary);
}

/* Stat */
.tn-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--tn-space-3);
}

@media (min-width: 1024px) {
  .tn-stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.tn-stat {
  padding: var(--tn-space-4);
  border-radius: var(--tn-radius-lg);
  background: var(--tn-color-surface-low);
  border: 1px solid var(--tn-color-outline-variant);
}

.tn-stat__label {
  font-size: var(--tn-text-xs);
  color: var(--tn-color-on-surface-variant);
  font-weight: 600;
}

.tn-stat__value {
  font-family: var(--tn-font-headline);
  font-size: var(--tn-text-xl);
  font-weight: 800;
  margin-top: var(--tn-space-2);
}

/* Table */
.tn-table-wrap {
  overflow: auto;
  border-radius: var(--tn-radius-lg);
  border: 1px solid var(--tn-color-outline-variant);
  background: #fff;
}

.dark .tn-table-wrap {
  background: var(--tn-color-surface-container);
}

.tn-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--tn-text-sm);
}

.tn-table th,
.tn-table td {
  text-align: left;
  padding: var(--tn-space-3) var(--tn-space-4);
  border-bottom: 1px solid var(--tn-color-outline-variant);
}

.tn-table th {
  font-size: var(--tn-text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--tn-color-on-surface-variant);
  background: var(--tn-color-surface-low);
}

.tn-table tr:hover td {
  background: color-mix(in srgb, var(--tn-color-primary) 6%, white);
}

/* List row (mobile) */
.tn-list-row {
  display: flex;
  align-items: center;
  gap: var(--tn-space-3);
  padding: var(--tn-space-4);
  border-bottom: 1px solid var(--tn-color-outline-variant);
  background: #fff;
}

.dark .tn-list-row {
  background: var(--tn-color-surface-container);
}

/* Pagination */
.tn-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--tn-space-2);
  padding: var(--tn-space-4);
}

.tn-pagination button.tn-btn--ghost:disabled {
  opacity: 0.35;
}

/* Stepper */
.tn-stepper {
  display: flex;
  gap: var(--tn-space-2);
  align-items: center;
}

.tn-step {
  flex: 1;
  height: 4px;
  border-radius: var(--tn-radius-full);
  background: var(--tn-color-outline-variant);
}

.tn-step--done {
  background: var(--tn-color-primary);
}

/* Modal / drawer / sheet */
.tn-overlay {
  position: fixed;
  inset: 0;
  background: rgba(16, 18, 28, 0.45);
  z-index: var(--tn-z-modal);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

@media (min-width: 768px) {
  .tn-overlay {
    align-items: center;
  }
}

.tn-modal {
  background: var(--tn-color-surface);
  width: 100%;
  max-width: 28rem;
  border-radius: var(--tn-radius-xl) var(--tn-radius-xl) 0 0;
  padding: var(--tn-space-5);
  box-shadow: var(--tn-shadow-lg);
}

@media (min-width: 768px) {
  .tn-modal {
    border-radius: var(--tn-radius-xl);
  }
}

.tn-sheet {
  width: 100%;
  max-height: 85dvh;
  overflow: auto;
}

/* Toast host */
.tn-toast-host {
  position: fixed;
  right: var(--tn-space-4);
  bottom: calc(var(--tn-mobile-tab-height) + var(--tn-space-4));
  z-index: var(--tn-z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--tn-space-2);
  pointer-events: none;
}

@media (min-width: 1024px) {
  .tn-toast-host {
    bottom: var(--tn-space-4);
  }
}

.tn-toast {
  pointer-events: auto;
  min-width: 16rem;
  max-width: 22rem;
  padding: var(--tn-space-3) var(--tn-space-4);
  border-radius: var(--tn-radius-md);
  background: var(--tn-color-on-surface);
  color: #fff;
  font-size: var(--tn-text-sm);
  box-shadow: var(--tn-shadow-md);
}

.tn-toast--info {
  background: var(--tn-color-secondary);
}

/* Spinner */
.tn-spinner {
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid var(--tn-color-outline-variant);
  border-top-color: var(--tn-color-primary);
  border-radius: 50%;
  animation: tn-spin 0.7s linear infinite;
}

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

/* Empty */
.tn-empty {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--tn-space-10) var(--tn-space-4);
  color: var(--tn-color-on-surface-variant);
  gap: var(--tn-space-3);
}

.tn-empty .tn-material {
  font-size: 2.5rem;
  opacity: 0.35;
}

/* Divider */
.tn-divider {
  height: 1px;
  background: var(--tn-color-outline-variant);
  margin: var(--tn-space-3) 0;
}

/* Search strip */
.tn-search {
  display: flex;
  align-items: center;
  gap: var(--tn-space-2);
  padding: var(--tn-space-2) var(--tn-space-3);
  background: var(--tn-color-surface-low);
  border-radius: var(--tn-radius-lg);
  border: 1px solid var(--tn-color-outline-variant);
}

.tn-search input {
  border: none;
  background: transparent;
  flex: 1;
  min-width: 0;
  font-size: var(--tn-text-base);
  outline: none;
}

/* Independent vertical scroll regions (e.g. overview sidebar lists). */
.tn-scroll-y-panel {
  overflow-y: auto;
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
}

/* —— Chi tiết hàng hoá: layout chuyên nghiệp —— */
.tn-product-detail {
  isolation: isolate;
}

.tn-pd-eyebrow {
  font-family: var(--tn-font-headline);
  font-size: var(--tn-text-xs);
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--tn-color-primary-container);
}

.tn-pd-card {
  border-radius: 1.125rem;
  border: 1px solid color-mix(in srgb, var(--tn-color-outline-variant) 62%, transparent);
  background: color-mix(in srgb, var(--tn-color-surface-container-lowest) 96%, white);
  box-shadow:
    0 1px 2px rgb(0 42 110 / 0.05),
    0 10px 28px rgb(0 42 110 / 0.07);
}

.tn-pd-card--hero {
  border-color: color-mix(in srgb, var(--tn-color-primary) 18%, transparent);
  box-shadow:
    0 2px 6px rgb(0 42 110 / 0.06),
    0 20px 44px rgb(0 42 110 / 0.11);
}

.tn-pd-intro {
  border-radius: 1.125rem;
  border: 1px solid color-mix(in srgb, var(--tn-color-primary) 14%, transparent);
  background: linear-gradient(
    125deg,
    color-mix(in srgb, var(--tn-color-primary) 9%, var(--tn-color-surface)) 0%,
    var(--tn-color-surface) 42%,
    color-mix(in srgb, var(--tn-color-surface-low) 88%, white) 100%
  );
  box-shadow: 0 8px 28px rgb(0 42 110 / 0.07);
}

.tn-pd-section-head {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--tn-font-headline);
  font-size: var(--tn-text-sm);
  font-weight: 700;
  color: var(--tn-color-on-surface);
}

.tn-pd-section-head::before {
  content: "";
  width: 3px;
  height: 1.125rem;
  border-radius: 999px;
  background: linear-gradient(
    180deg,
    var(--tn-color-primary-container),
    var(--tn-color-primary)
  );
  flex-shrink: 0;
}

.tn-pd-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: 1rem;
  background: color-mix(in srgb, var(--tn-color-surface-container-lowest) 88%, transparent);
  border: 1px solid color-mix(in srgb, var(--tn-color-outline-variant) 52%, transparent);
  box-shadow:
    inset 0 1px 0 rgb(255 255 255 / 0.72),
    0 4px 16px rgb(0 42 110 / 0.05);
}

.tn-pd-kpi-stock {
  background: linear-gradient(
    135deg,
    var(--tn-color-primary-container) 0%,
    var(--tn-color-primary) 52%,
    color-mix(in srgb, var(--tn-color-primary) 72%, #071a3d) 100%
  );
  color: var(--tn-color-on-primary);
  border: none;
  box-shadow: 0 10px 28px color-mix(in srgb, var(--tn-color-primary) 32%, transparent);
}

.tn-pd-table-wrap {
  border-radius: 0 0 1.125rem 1.125rem;
}

.tn-pd-table-wrap table thead tr {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--tn-color-primary) 7%, var(--tn-color-surface-low)) 0%,
    color-mix(in srgb, var(--tn-color-surface-container) 40%, transparent) 100%
  );
}

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

.tn-pd-chip {
  border: 1px solid color-mix(in srgb, var(--tn-color-primary) 22%, transparent);
  background: color-mix(in srgb, var(--tn-color-primary-container) 10%, var(--tn-color-surface));
}

.tn-pd-chip--muted {
  border-color: color-mix(in srgb, var(--tn-color-outline-variant) 80%, transparent);
  background: var(--tn-color-surface-container-high);
}

.tn-pd-cta-mobile {
  box-shadow:
    0 4px 14px color-mix(in srgb, var(--tn-color-primary) 38%, transparent),
    0 0 0 1px color-mix(in srgb, var(--tn-color-primary) 25%, transparent);
}

/* Product gallery — thumbnail strip */
.tn-gallery-thumbs {
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--tn-color-primary) 35%, transparent) transparent;
}

.tn-gallery-thumbs::-webkit-scrollbar {
  height: 6px;
}

.tn-gallery-thumbs::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: color-mix(in srgb, var(--tn-color-primary) 40%, transparent);
}