/* ============================================
   NFR Components
   ============================================ */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--nfr-s-2);
  padding: 0 var(--nfr-s-5);
  height: 44px;
  border-radius: var(--nfr-r-md);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid transparent;
  transition:
    background-color 160ms,
    transform 80ms,
    box-shadow 160ms,
    border-color 160ms;
  white-space: nowrap;
}
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}
@media (max-width: 767px) {
  .btn {
    height: 48px;
  }
}

.btn-primary {
  background: var(--nfr-gold);
  color: var(--nfr-bg-0);
}
.btn-primary:hover {
  background: var(--nfr-gold-hi);
}
.btn-primary:active {
  background: var(--nfr-gold-lo);
  transform: translateY(1px);
}

.btn-secondary {
  background: transparent;
  color: var(--nfr-fg-0);
  border-color: var(--nfr-line);
}
.btn-secondary:hover {
  background: var(--nfr-bg-2);
  border-color: var(--nfr-bg-3);
}

.btn-ghost {
  background: transparent;
  color: var(--nfr-fg-1);
}
.btn-ghost:hover {
  background: var(--nfr-bg-2);
  color: var(--nfr-fg-0);
}

.btn-danger {
  background: transparent;
  color: var(--nfr-danger);
  border-color: rgba(176, 70, 60, 0.4);
}
.btn-danger:hover {
  background: rgba(176, 70, 60, 0.1);
}

.btn-block {
  width: 100%;
}
.btn-sm {
  height: 36px;
  padding: 0 var(--nfr-s-3);
  font-size: 11px;
}
.btn-lg {
  height: 52px;
  padding: 0 var(--nfr-s-6);
}

/* ---- Card ---- */
.card {
  background: var(--nfr-bg-1);
  border: 1px solid var(--nfr-line);
  border-radius: var(--nfr-r-lg);
  padding: var(--nfr-s-5);
}
.card-tight {
  padding: var(--nfr-s-4);
}
.card-hover {
  transition:
    transform 200ms,
    border-color 200ms,
    box-shadow 200ms;
}
.card-hover:hover {
  transform: translateY(-2px);
  border-color: rgba(201, 162, 75, 0.35);
  box-shadow: var(--nfr-shadow-md);
}

/* ---- Inputs ---- */
.input,
.select,
.textarea {
  display: block;
  width: 100%;
  background: var(--nfr-bg-2);
  border: 1px solid var(--nfr-line);
  border-radius: var(--nfr-r-md);
  padding: 0 var(--nfr-s-4);
  height: 48px;
  color: var(--nfr-fg-0);
  font-size: var(--t-base);
  transition:
    border-color 160ms,
    box-shadow 160ms;
}
.textarea {
  padding: var(--nfr-s-3) var(--nfr-s-4);
  height: auto;
  min-height: 96px;
  resize: vertical;
}
.input::placeholder,
.textarea::placeholder {
  color: var(--nfr-fg-mute);
}
.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--nfr-gold);
  box-shadow: var(--nfr-ring-gold);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--nfr-s-2);
}
.field-label {
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--nfr-fg-2);
  font-weight: 600;
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'><path d='M1 1L6 6L11 1' stroke='%238A8579' stroke-width='1.5' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* ---- Badge / Chip ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: var(--t-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--nfr-bg-3);
  color: var(--nfr-fg-1);
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-success {
  background: rgba(111, 168, 106, 0.12);
  color: var(--nfr-success);
  border-color: rgba(111, 168, 106, 0.3);
}
.badge-warning {
  background: rgba(217, 140, 43, 0.12);
  color: var(--nfr-amber);
  border-color: rgba(217, 140, 43, 0.3);
}
.badge-danger {
  background: rgba(176, 70, 60, 0.12);
  color: var(--nfr-danger);
  border-color: rgba(176, 70, 60, 0.3);
}
.badge-gold {
  background: rgba(201, 162, 75, 0.12);
  color: var(--nfr-gold);
  border-color: rgba(201, 162, 75, 0.3);
}
.badge-info {
  background: rgba(110, 138, 168, 0.12);
  color: var(--nfr-info);
  border-color: rgba(110, 138, 168, 0.3);
}
.badge-muted {
  background: var(--nfr-bg-2);
  color: var(--nfr-fg-2);
}

/* Filter chip (selectable) */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--nfr-s-2);
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--nfr-bg-2);
  border: 1px solid var(--nfr-line);
  color: var(--nfr-fg-1);
  font-size: var(--t-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 140ms;
  white-space: nowrap;
}
.chip:hover {
  color: var(--nfr-fg-0);
  border-color: var(--nfr-bg-3);
}
.chip[aria-pressed="true"],
.chip.is-active {
  background: rgba(201, 162, 75, 0.12);
  border-color: var(--nfr-gold);
  color: var(--nfr-gold-hi);
}

/* ---- Tabs ---- */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--nfr-line);
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar {
  display: none;
}
.tab {
  background: transparent;
  border: 0;
  padding: var(--nfr-s-3) var(--nfr-s-4);
  color: var(--nfr-fg-2);
  font-size: var(--t-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
  transition: color 140ms;
}
.tab:hover {
  color: var(--nfr-fg-0);
}
.tab[aria-selected="true"],
.tab.is-active {
  color: var(--nfr-gold);
}
.tab[aria-selected="true"]::after,
.tab.is-active::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: 2px;
  background: var(--nfr-gold);
}

/* ---- Stats row ---- */
.stat {
  background: var(--nfr-bg-1);
  border: 1px solid var(--nfr-line);
  border-radius: var(--nfr-r-md);
  padding: var(--nfr-s-4);
}
.stat-label {
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--nfr-fg-2);
  margin-bottom: var(--nfr-s-2);
}
.stat-value {
  font-family: var(--font-mono);
  font-size: var(--t-xl);
  color: var(--nfr-fg-0);
  font-variant-numeric: tabular-nums;
}
.stat-value.text-gold {
  color: var(--nfr-gold);
}

/* ---- Tables ---- */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--t-sm);
}
.table th {
  text-align: left;
  font-size: var(--t-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--nfr-fg-2);
  padding: var(--nfr-s-3) var(--nfr-s-3);
  border-bottom: 1px solid var(--nfr-line);
}
.table td {
  padding: var(--nfr-s-3) var(--nfr-s-3);
  border-bottom: 1px solid var(--nfr-bg-3);
  color: var(--nfr-fg-1);
}
.table tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.015);
}
.table tbody tr:hover td {
  background: rgba(201, 162, 75, 0.04);
}
.table .mono {
  color: var(--nfr-fg-0);
}

/* ---- Toast ---- */
.toast-region {
  position: fixed;
  bottom: calc(var(--bottomnav-h) + 16px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
  pointer-events: none;
  width: min(420px, calc(100% - 32px));
}
@media (min-width: 768px) {
  .toast-region {
    bottom: 24px;
    left: auto;
    right: 24px;
    transform: none;
  }
}
.toast {
  background: var(--nfr-bg-2);
  border: 1px solid var(--nfr-line);
  border-left: 3px solid var(--nfr-gold);
  border-radius: var(--nfr-r-md);
  padding: var(--nfr-s-3) var(--nfr-s-4);
  color: var(--nfr-fg-0);
  font-size: var(--t-sm);
  box-shadow: var(--nfr-shadow-md);
  pointer-events: auto;
  animation: toastSlide 280ms ease-out;
}
.toast-success {
  border-left-color: var(--nfr-success);
}
.toast-error {
  border-left-color: var(--nfr-danger);
}
.toast-warning {
  border-left-color: var(--nfr-warning);
}
@keyframes toastSlide {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- Modal ---- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 300;
  display: grid;
  place-items: center;
  padding: var(--nfr-s-5);
  animation: fadeIn 180ms ease-out;
}
.modal {
  background: var(--nfr-bg-1);
  border: 1px solid var(--nfr-line);
  border-radius: var(--nfr-r-lg);
  padding: var(--nfr-s-6);
  max-width: 480px;
  width: 100%;
  box-shadow: var(--nfr-shadow-lg);
  animation: modalIn 220ms ease-out;
}
.modal h3 {
  margin-bottom: var(--nfr-s-3);
}
.modal-actions {
  display: flex;
  gap: var(--nfr-s-3);
  justify-content: flex-end;
  margin-top: var(--nfr-s-5);
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---- Product card ---- */
.product-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  background: var(--nfr-bg-1);
  border: 1px solid var(--nfr-line);
  border-radius: var(--nfr-r-lg);
  overflow: hidden;
  transition:
    transform 200ms,
    border-color 200ms,
    box-shadow 200ms;
}
.product-card:hover {
  transform: translateY(-2px);
  border-color: rgba(201, 162, 75, 0.35);
  box-shadow: var(--nfr-shadow-md);
}
.product-card-img {
  aspect-ratio: 4 / 5;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #2a1f15 0%, #1b1410 50%, #0e0a07 100%);
  display: grid;
  place-items: center;
}
.product-card-img::after {
  content: "NFR";
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(201, 162, 75, 0.18);
}
.product-card-img.tex-1 {
  background: linear-gradient(135deg, #3a2820 0%, #2a1c14 60%, #1a110a 100%);
}
.product-card-img.tex-2 {
  background: linear-gradient(135deg, #1c2030 0%, #131725 60%, #0a0d18 100%);
}
.product-card-img.tex-3 {
  background: linear-gradient(135deg, #2c2218 0%, #1d160e 60%, #100b06 100%);
}
.product-card-img.tex-4 {
  background: linear-gradient(135deg, #322a22 0%, #251f18 60%, #16110c 100%);
}
.product-card-img.tex-5 {
  background: linear-gradient(135deg, #1f2820 0%, #161c16 60%, #0c100c 100%);
}
.product-card-img.tex-6 {
  background: linear-gradient(135deg, #2f2018 0%, #1f140e 60%, #110a06 100%);
}
.product-card-badges {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  gap: 6px;
  z-index: 2;
}
.product-card-body {
  padding: var(--nfr-s-4);
  display: flex;
  flex-direction: column;
  gap: var(--nfr-s-2);
}
.product-card-cat {
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--nfr-fg-2);
}
.product-card-name {
  font-size: var(--t-base);
  color: var(--nfr-fg-0);
  font-weight: 500;
  line-height: 1.3;
  min-height: 2.6em;
}
.product-card-price {
  font-family: var(--font-mono);
  font-size: var(--t-lg);
  color: var(--nfr-gold);
  font-weight: 600;
  margin-top: 4px;
}

/* ---- Empty state ---- */
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--nfr-s-10) var(--nfr-s-5);
  color: var(--nfr-fg-2);
}
.empty svg {
  color: var(--nfr-bg-3);
  margin-bottom: var(--nfr-s-4);
}
.empty h3 {
  color: var(--nfr-fg-1);
  margin-bottom: var(--nfr-s-2);
  font-family: var(--font-body);
  font-size: var(--t-lg);
  font-weight: 500;
}

/* ---- Alert ---- */
.alert {
  border-radius: var(--nfr-r-md);
  padding: var(--nfr-s-3) var(--nfr-s-4);
  display: flex;
  gap: var(--nfr-s-3);
  align-items: flex-start;
  font-size: var(--t-sm);
  line-height: 1.4;
}
.alert-warning {
  background: rgba(217, 140, 43, 0.08);
  border: 1px solid rgba(217, 140, 43, 0.3);
  color: var(--nfr-amber);
}
.alert-danger {
  background: rgba(176, 70, 60, 0.08);
  border: 1px solid rgba(176, 70, 60, 0.3);
  color: var(--nfr-danger);
}
.alert-info {
  background: rgba(110, 138, 168, 0.08);
  border: 1px solid rgba(110, 138, 168, 0.3);
  color: var(--nfr-info);
}
.alert-success {
  background: rgba(111, 168, 106, 0.08);
  border: 1px solid rgba(111, 168, 106, 0.3);
  color: var(--nfr-success);
}
.alert strong {
  font-weight: 700;
}

/* ---- Variant grid (cor × tamanho) ---- */
.variant-grid-wrap {
  border: 1px solid var(--nfr-line);
  border-radius: var(--nfr-r-md);
  overflow: auto;
}
.variant-grid {
  display: grid;
  min-width: 100%;
  font-size: var(--t-sm);
}
.vg-row {
  display: contents;
}
.vg-cell {
  padding: var(--nfr-s-2);
  border-bottom: 1px solid var(--nfr-bg-3);
  border-right: 1px solid var(--nfr-bg-3);
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--nfr-bg-1);
  min-height: 64px;
  justify-content: center;
}
.vg-cell:last-child {
  border-right: 0;
}
.vg-row:last-child .vg-cell {
  border-bottom: 0;
}
.vg-head {
  background: var(--nfr-bg-2);
  font-size: var(--t-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--nfr-fg-2);
  font-weight: 600;
  text-align: center;
  padding: var(--nfr-s-3) var(--nfr-s-2);
  min-height: 44px;
}
.vg-color {
  background: var(--nfr-bg-2);
  flex-direction: row;
  align-items: center;
  gap: var(--nfr-s-2);
  padding: var(--nfr-s-3);
  min-width: 140px;
  position: sticky;
  left: 0;
  z-index: 1;
}
.vg-swatch {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--nfr-line);
  flex-shrink: 0;
}
.vg-color-name {
  font-size: var(--t-sm);
  color: var(--nfr-fg-1);
}
.vg-qty-input {
  width: 100%;
  height: 36px;
  background: var(--nfr-bg-2);
  border: 1px solid var(--nfr-bg-3);
  border-radius: var(--nfr-r-sm);
  color: var(--nfr-fg-0);
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--t-sm);
  -moz-appearance: textfield;
  padding: 0;
}
.vg-qty-input::-webkit-outer-spin-button,
.vg-qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.vg-qty-input:focus {
  outline: none;
  border-color: var(--nfr-gold);
  box-shadow: var(--nfr-ring-gold);
}
.vg-qty-input:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.vg-stock {
  font-size: 10px;
  text-align: center;
  color: var(--nfr-fg-2);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.vg-cell.has-qty {
  background: rgba(201, 162, 75, 0.08);
}
.vg-cell.has-qty .vg-qty-input {
  border-color: var(--nfr-gold);
  color: var(--nfr-gold-hi);
}

/* ---- Timeline ---- */
.timeline {
  display: flex;
  flex-direction: column;
}
.timeline-step {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: var(--nfr-s-4);
  padding-bottom: var(--nfr-s-5);
  position: relative;
}
.timeline-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 32px;
  bottom: 0;
  width: 2px;
  background: var(--nfr-bg-3);
}
.timeline-dot {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 2px solid var(--nfr-bg-3);
  background: var(--nfr-bg-1);
  display: grid;
  place-items: center;
  color: var(--nfr-fg-mute);
  font-family: var(--font-mono);
  font-size: var(--t-sm);
  position: relative;
  z-index: 1;
}
.timeline-step.is-done .timeline-dot {
  background: var(--nfr-gold);
  color: var(--nfr-bg-0);
  border-color: var(--nfr-gold);
}
.timeline-step.is-current .timeline-dot {
  border-color: var(--nfr-gold);
  color: var(--nfr-gold);
  box-shadow: var(--nfr-ring-gold);
}
.timeline-content h4 {
  font-family: var(--font-body);
  font-size: var(--t-base);
  font-weight: 600;
  margin-bottom: 4px;
}
.timeline-content .meta {
  font-size: var(--t-xs);
  color: var(--nfr-fg-2);
}
.timeline-step:not(.is-done):not(.is-current) .timeline-content h4 {
  color: var(--nfr-fg-2);
}

/* ---- Accordion ---- */
.accordion-item {
  border-bottom: 1px solid var(--nfr-line);
}
.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--nfr-s-4) 0;
  text-align: left;
  color: var(--nfr-fg-0);
  font-size: var(--t-lg);
  font-family: var(--font-display);
  font-weight: 500;
  cursor: pointer;
}
.accordion-trigger .acc-icon {
  transition: transform 200ms;
  color: var(--nfr-fg-2);
}
.accordion-item.is-open .acc-icon {
  transform: rotate(180deg);
  color: var(--nfr-gold);
}
.accordion-body {
  display: none;
  padding-bottom: var(--nfr-s-5);
  color: var(--nfr-fg-1);
  font-size: var(--t-sm);
  line-height: 1.6;
}
.accordion-item.is-open .accordion-body {
  display: block;
}

/* ---- Skeleton ---- */
.skeleton {
  background: linear-gradient(90deg, var(--nfr-bg-2) 0%, var(--nfr-bg-3) 50%, var(--nfr-bg-2) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
  border-radius: var(--nfr-r-sm);
}
@keyframes shimmer {
  from {
    background-position: 200% 0;
  }
  to {
    background-position: -200% 0;
  }
}

/* ---- QR fake ---- */
.qr-fake {
  width: 140px;
  height: 140px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(12, 1fr);
  gap: 1px;
  padding: 8px;
  background: var(--nfr-fg-0);
  border-radius: var(--nfr-r-sm);
}
.qr-fake span {
  background: var(--nfr-bg-0);
}

/* ---- Bar (financial summary) ---- */
.bar-row {
  display: flex;
  align-items: center;
  gap: var(--nfr-s-3);
  margin-bottom: var(--nfr-s-3);
}
.bar-track {
  flex: 1;
  height: 8px;
  background: var(--nfr-bg-3);
  border-radius: 999px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  background: var(--nfr-gold);
  border-radius: 999px;
}
.bar-fill.warn {
  background: var(--nfr-amber);
}
.bar-fill.danger {
  background: var(--nfr-danger);
}
.bar-label {
  font-size: var(--t-sm);
  color: var(--nfr-fg-1);
  min-width: 100px;
}
.bar-value {
  font-family: var(--font-mono);
  font-size: var(--t-sm);
  color: var(--nfr-fg-0);
  min-width: 90px;
  text-align: right;
}

/* ---- Spinner ---- */
.spinner {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid var(--nfr-bg-3);
  border-top-color: var(--nfr-gold);
  animation: spin 800ms linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}