/* ============================================================
   COMPONENTS — Buttons, Cards, Forms, Product Card, etc.
   ============================================================ */

/* ─── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition:
    background var(--duration-base) var(--ease-out),
    color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    transform var(--duration-fast) var(--ease-spring);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn:active { transform: scale(0.97); }

.btn--sm {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-xs);
}

.btn--lg {
  padding: var(--sp-4) var(--sp-10);
  font-size: var(--text-base);
}

.btn--full { width: 100%; }

/* Primary — sage green */
.btn--primary {
  background: var(--color-sage);
  color: var(--color-white);
  border-color: var(--color-sage);
}
.btn--primary:hover {
  background: var(--color-sage-light);
  border-color: var(--color-sage-light);
  box-shadow: var(--shadow-hover);
}
.btn--primary:active { background: var(--color-sage-dark); border-color: var(--color-sage-dark); }

/* Secondary — outlined sage */
.btn--secondary {
  background: transparent;
  color: var(--color-sage);
  border-color: var(--color-sage);
}
.btn--secondary:hover {
  background: rgba(103,109,75,0.06);
  box-shadow: var(--shadow-hover);
}

/* Bulk — taupe */
.btn--bulk {
  background: var(--color-taupe);
  color: var(--color-white);
  border-color: var(--color-taupe);
}
.btn--bulk:hover {
  background: var(--color-taupe-light);
  border-color: var(--color-taupe-light);
  box-shadow: 0 6px 22px rgba(181,150,119,0.30);
}

/* Ghost — for dark backgrounds */
.btn--ghost {
  background: rgba(255,255,255,0.12);
  color: var(--color-white);
  border-color: rgba(255,255,255,0.3);
  backdrop-filter: blur(4px);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.22);
  border-color: rgba(255,255,255,0.55);
}

/* Dark */
.btn--dark {
  background: var(--color-charcoal);
  color: var(--color-white);
  border-color: var(--color-charcoal);
}
.btn--dark:hover {
  background: var(--color-gray-900);
}

/* Icon button */
.btn--icon {
  padding: var(--sp-2);
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--color-charcoal);
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.btn--icon:hover { background: var(--color-gray-100); }

/* ─── PRODUCT CARD ────────────────────────────────────────────── */
.product-card {
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition:
    box-shadow var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out);
  cursor: pointer;
}

.product-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: var(--color-taupe-light);
}

.product-card__image-wrap {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-gray-100);
}

.product-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.product-card:hover .product-card__image {
  transform: scale(1.04);
}

.product-card__badge {
  position: absolute;
  top: var(--sp-3);
  left: var(--sp-3);
  z-index: var(--z-raised);
}

.product-card__body {
  padding: var(--sp-4) var(--sp-5) var(--sp-5);
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--sp-2);
}

.product-card__category {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-sage);
}

.product-card__name {
  font-family: var(--font-heading);
  font-size: var(--text-md);
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
  transition: color var(--duration-fast) var(--ease-out);
}

.product-card:hover .product-card__name {
  color: var(--color-sage);
}

.product-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__sizes {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: var(--sp-3);
}

.product-card__sizes span {
  font-size: 10px;
  font-weight: var(--weight-bold);
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  background: var(--color-gray-100);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  white-space: nowrap;
}

.product-card__footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.product-card__footer > div { min-width: 0; }
.product-card__footer > div .product-card__price-unit { white-space: nowrap; }

.product-card__price {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-price);
}

.product-card__price-unit {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: var(--weight-regular);
}

.product-card__add-btn {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
  background: var(--color-sage);
  color: var(--color-white);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition:
    background var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-spring);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.product-card__add-btn:hover { background: var(--color-sage-light); transform: scale(1.04); }
.product-card__add-btn:active { transform: scale(0.96); }
.product-card__add-btn.added { background: var(--color-success); }
.product-card__add-btn:disabled { background: var(--color-gray-300); cursor: not-allowed; }

/* ─── BULK MATERIAL CARD ──────────────────────────────────────── */
.bulk-card {
  background: var(--color-bg-bulk-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out);
  color: var(--color-white);
}

.bulk-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.30);
  border-color: rgba(181,150,119,0.35);
}

.bulk-card__image-wrap {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: rgba(0,0,0,0.2);
}

.bulk-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.75;
  transition: opacity var(--duration-base) var(--ease-out), transform var(--duration-slow) var(--ease-out);
}

.bulk-card:hover .bulk-card__image { opacity: 0.90; transform: scale(1.03); }

.bulk-card__body {
  padding: var(--sp-5) var(--sp-6) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.bulk-card__tag {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-taupe-light);
}

.bulk-card__name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-snug);
  color: var(--color-white);
}

.bulk-card__desc {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.65);
  line-height: var(--leading-normal);
}

.bulk-card__price {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-taupe-light);
}

.bulk-card__price-note {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
  margin-left: var(--sp-2);
}

.bulk-card__calculator {
  background: rgba(0,0,0,0.25);
  border-radius: var(--radius-sm);
  padding: var(--sp-4);
  margin-top: var(--sp-2);
}

.bulk-card__calc-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.55);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}

.bulk-calc-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--sp-2);
  align-items: flex-end;
}

.bulk-calc-field label {
  display: block;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.50);
  margin-bottom: var(--sp-1);
}

.bulk-calc-field input {
  width: 100%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-xs);
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--text-sm);
  color: var(--color-white);
  transition: border-color var(--duration-fast) var(--ease-out);
}

.bulk-calc-field input:focus {
  outline: none;
  border-color: var(--color-taupe);
}

.bulk-calc-result {
  background: rgba(181,150,119,0.15);
  border-radius: var(--radius-xs);
  padding: var(--sp-2) var(--sp-3);
  text-align: center;
  white-space: nowrap;
}

.bulk-calc-result__value {
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  color: var(--color-taupe-light);
}

.bulk-calc-result__unit {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
}

/* ─── FORM ELEMENTS ───────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  letter-spacing: var(--tracking-wide);
}

.form-label--required::after {
  content: ' *';
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background: var(--color-white);
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-sage);
  box-shadow: 0 0 0 3px rgba(103,109,75,0.12);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-gray-300); }

.form-textarea { resize: vertical; min-height: 120px; }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23878787' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--sp-4) center;
  padding-right: var(--sp-10);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

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

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

/* Checkbox */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--color-sage);
  cursor: pointer;
}

.form-check__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* ─── CART ITEM ───────────────────────────────────────────────── */
.cart-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: var(--sp-4);
  align-items: start;
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.cart-item__img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--color-gray-100);
}

.cart-item__name {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
}

.cart-item__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--sp-1);
}

.cart-item__price {
  font-weight: var(--weight-bold);
  color: var(--color-price);
  font-size: var(--text-md);
}

.qty-stepper {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: var(--sp-3);
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: fit-content;
}

.qty-stepper__btn {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  background: var(--color-gray-50);
  border: none;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
  user-select: none;
}

.qty-stepper__btn:hover { background: var(--color-gray-100); color: var(--color-text-primary); }

.qty-stepper__val {
  width: 36px;
  text-align: center;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  border: none;
  background: var(--color-white);
  color: var(--color-text-primary);
  padding: 0;
  -moz-appearance: textfield;
}
.qty-stepper__val::-webkit-outer-spin-button,
.qty-stepper__val::-webkit-inner-spin-button { -webkit-appearance: none; }

.cart-item__remove {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gray-300);
  font-size: 18px;
  line-height: 1;
  padding: var(--sp-1);
  margin-top: -2px;
  transition: color var(--duration-fast) var(--ease-out);
}
.cart-item__remove:hover { color: var(--color-error); }

/* ─── TOAST NOTIFICATION ─────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  background: var(--color-charcoal);
  color: var(--color-white);
  padding: var(--sp-4) var(--sp-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-toast);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  transform: translateY(calc(100% + var(--sp-6)));
  transition: transform var(--duration-slow) var(--ease-spring);
  max-width: 340px;
}

.toast.toast--visible { transform: translateY(0); }

.toast__icon { font-size: 18px; flex-shrink: 0; }

/* ─── BREADCRUMB ──────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.breadcrumb__item a { transition: color var(--duration-fast) var(--ease-out); }
.breadcrumb__item a:hover { color: var(--color-sage); }
.breadcrumb__sep { color: var(--color-gray-300); }
.breadcrumb__item--current { color: var(--color-text-primary); }

/* ─── ACCORDION ───────────────────────────────────────────────── */
.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--sp-5) 0;
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: var(--weight-regular);
  color: var(--color-text-primary);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: var(--sp-4);
  transition: color var(--duration-fast) var(--ease-out);
}

.accordion-trigger:hover { color: var(--color-sage); }

.accordion-trigger__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-sage);
  transition: transform var(--duration-base) var(--ease-out);
}

.accordion-item.open .accordion-trigger__icon { transform: rotate(180deg); }

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out);
}

.accordion-item.open .accordion-content { max-height: 600px; }

.accordion-body {
  padding-bottom: var(--sp-5);
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: var(--leading-loose);
}

/* ─── STEP INDICATOR ──────────────────────────────────────────── */
.steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: var(--sp-10);
}

.step {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex: 1;
}

.step__num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  flex-shrink: 0;
  border: 2px solid var(--color-border-strong);
  color: var(--color-text-muted);
  background: var(--color-white);
  transition: all var(--duration-base) var(--ease-out);
}

.step.active .step__num { background: var(--color-sage); color: var(--color-white); border-color: var(--color-sage); }
.step.done .step__num   { background: var(--color-success); color: var(--color-white); border-color: var(--color-success); }

.step__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
}

.step.active .step__label { color: var(--color-sage); font-weight: var(--weight-bold); }
.step.done   .step__label { color: var(--color-text-secondary); }

.step__line {
  flex: 1;
  height: 1px;
  background: var(--color-border-strong);
  margin: 0 var(--sp-2);
}

.step.done + .step .step__line,
.step.done .step__line + * { background: var(--color-success); }

/* ─── EMPTY STATE ─────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: var(--sp-20) var(--sp-6);
  color: var(--color-text-muted);
}

.empty-state__icon { font-size: 48px; margin-bottom: var(--sp-4); opacity: 0.4; }
.empty-state__title { font-family: var(--font-heading); font-size: var(--text-xl); color: var(--color-text-primary); margin-bottom: var(--sp-2); }
.empty-state__text { font-size: var(--text-base); margin-bottom: var(--sp-6); max-width: 40ch; margin-left: auto; margin-right: auto; }

/* ─── LOADING SPINNER ─────────────────────────────────────────── */
.spinner {
  width: 24px;
  height: 24px;
  border: 2.5px solid var(--color-gray-200);
  border-top-color: var(--color-sage);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

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

/* ─── OVERLAY ─────────────────────────────────────────────────── */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(34,34,34,0.5);
  backdrop-filter: blur(2px);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-drawer) var(--ease-out);
}

/* ─── PACKAGING TOGGLE ───────────────────────────────────────── */
.pkg-toggle {
  display: flex;
  gap: 6px;
  margin-bottom: var(--sp-3);
}
.pkg-btn {
  flex: 1;
  min-width: 0;
  padding: var(--sp-2) 4px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border-strong);
  background: var(--color-white);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
  text-align: center;
  line-height: 1.2;
}
.pkg-btn:hover { border-color: var(--color-sage); color: var(--color-sage-dark); }
.pkg-btn--active {
  border-color: var(--color-sage);
  background: rgba(103,109,75,0.08);
  color: var(--color-sage-dark);
}

.overlay.active { opacity: 1; pointer-events: all; }

/* ─── STOCK BADGE ────────────────────────────────────────────── */
.stock-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-top: 3px;
}
.stock-badge--in  { color: var(--color-success, #22c55e); }
.stock-badge--low { color: #f59e0b; }
.stock-badge--out { color: var(--color-text-muted); }