/* ============================================
   ALTA MODA ITALIANA — Components
   ============================================ */

/* ---- Navigation ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(250, 250, 250, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-gray-200);
  z-index: var(--z-sticky);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  color: var(--color-black);
  cursor: pointer;
  white-space: nowrap;
}

.navbar__logo span {
  color: var(--color-gold);
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar__link {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
  position: relative;
  padding: var(--space-2) 0;
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--color-black);
}

.navbar__link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-gold);
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.navbar__icon-btn {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
  color: var(--color-gray-600);
}

.navbar__icon-btn:hover {
  background: var(--color-gray-100);
  color: var(--color-black);
}

.navbar__icon-btn svg {
  width: 20px;
  height: 20px;
}

.navbar__badge {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 16px;
  height: 16px;
  background: var(--color-gold);
  color: var(--color-white);
  font-size: 10px;
  font-weight: var(--weight-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar__badge:empty { display: none; }

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.lang-switcher__btn {
  padding: var(--space-1) var(--space-2);
  color: var(--color-gray-400);
  font-weight: var(--weight-medium);
  transition: color var(--transition-fast);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
}

.lang-switcher__btn.active {
  color: var(--color-black);
}

.lang-switcher__btn:hover {
  color: var(--color-gold);
}

.lang-switcher__divider {
  color: var(--color-gray-300);
  font-size: var(--text-xs);
  user-select: none;
}

/* Hamburger */
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-black);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(4.5px, 4.5px);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(4.5px, -4.5px);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  z-index: var(--z-overlay);
  padding: var(--space-8) var(--space-6);
  flex-direction: column;
  gap: var(--space-6);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu__link {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  color: var(--color-black);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.mobile-menu__link.active {
  color: var(--color-gold);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  border-radius: 0;
  transition: all var(--transition-base);
  white-space: nowrap;
  min-height: 48px;
}

.btn--primary {
  background: var(--color-black);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-gray-700);
}

.btn--gold {
  background: var(--color-gold);
  color: var(--color-white);
}

.btn--gold:hover {
  background: var(--color-gold-dark);
}

.btn--outline {
  background: transparent;
  color: var(--color-black);
  border: 1px solid var(--color-black);
}

.btn--outline:hover {
  background: var(--color-black);
  color: var(--color-white);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-black);
}

.btn--white:hover {
  background: var(--color-gray-100);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  min-height: 36px;
  font-size: 0.625rem;
}

.btn--lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-sm);
}

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

.btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ---- Cards ---- */
.card {
  background: var(--color-white);
  overflow: hidden;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
  cursor: pointer;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__image {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background: var(--color-gray-100);
  transition: transform var(--transition-slow);
}

.card:hover .card__image {
  transform: scale(1.03);
}

.card__image-wrapper {
  overflow: hidden;
  position: relative;
}

.card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background: var(--color-black);
  color: var(--color-white);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  font-weight: var(--weight-semibold);
}

.card__badge--gold {
  background: var(--color-gold);
}

.card__wishlist-btn {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 2;
}

.card__wishlist-btn:hover {
  background: var(--color-white);
  transform: scale(1.1);
}

.card__wishlist-btn.active svg {
  fill: var(--color-error);
  stroke: var(--color-error);
}

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

.card__designer {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gray-500);
  margin-bottom: var(--space-1);
}

.card__title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
  line-height: var(--leading-snug);
}

.card__price {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
}

.card__subtitle {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}

/* Designer Card */
.designer-card {
  position: relative;
}

.designer-card .card__image {
  aspect-ratio: 4 / 5;
}

.designer-card .card__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-8) var(--space-6) var(--space-6);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: var(--color-white);
}

.designer-card .card__overlay h3 {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-1);
}

.designer-card .card__overlay p {
  font-size: var(--text-sm);
  opacity: 0.8;
}

/* ---- Forms ---- */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gray-600);
  margin-bottom: var(--space-2);
}

.form-input {
  width: 100%;
  padding: var(--space-4);
  border: 1px solid var(--color-gray-200);
  background: var(--color-white);
  font-size: var(--text-base);
  color: var(--color-black);
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-gold);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

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

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-1);
}

.form-select {
  width: 100%;
  padding: var(--space-4);
  border: 1px solid var(--color-gray-200);
  background: var(--color-white);
  font-size: var(--text-base);
  color: var(--color-black);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%239E9E9E' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
}

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-white);
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-8);
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

.modal-overlay.open .modal {
  transform: translateY(0);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.modal__title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
}

.modal__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.modal__close:hover {
  color: var(--color-black);
}

/* ---- Tags / Chips ---- */
.chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  border: 1px solid var(--color-gray-300);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.chip:hover,
.chip.active {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

/* ---- Toast / Notification ---- */
.toast {
  position: fixed;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-black);
  color: var(--color-white);
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  z-index: var(--z-toast);
  opacity: 0;
  transition: transform var(--transition-smooth), opacity var(--transition-base);
  white-space: nowrap;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ---- Breadcrumbs ---- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gray-400);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.breadcrumbs a {
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: var(--color-gold);
}

.breadcrumbs__sep {
  color: var(--color-gray-300);
}

/* ---- Back Button ---- */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gray-500);
  font-weight: var(--weight-medium);
  padding: var(--space-2) 0;
  margin-bottom: var(--space-6);
  transition: color var(--transition-fast);
}

.back-btn:hover {
  color: var(--color-black);
}

/* ---- Footer ---- */
.footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer__brand h3 {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.footer__brand h3 span {
  color: var(--color-gold);
}

.footer__brand p {
  color: var(--color-gray-400);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  max-width: 320px;
}

.footer__heading {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-gray-400);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-gray-300);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-gold);
}

.footer__bottom {
  border-top: 1px solid var(--color-gray-700);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copyright {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}

.footer__social {
  display: flex;
  gap: var(--space-4);
}

.footer__social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-gray-700);
  border-radius: var(--radius-full);
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* ---- Loading / Skeleton ---- */
.skeleton {
  background: linear-gradient(90deg, var(--color-gray-100) 25%, var(--color-gray-50) 50%, var(--color-gray-100) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ---- Empty State ---- */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-8);
}

.empty-state__icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  opacity: 0.3;
}

.empty-state__title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.empty-state__text {
  color: var(--color-gray-500);
  margin-bottom: var(--space-6);
}

/* ---- Status Badge ---- */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-sm);
}

.status-badge--pending { background: #FFF3CD; color: #856404; }
.status-badge--confirmed { background: #D4EDDA; color: #155724; }
.status-badge--shipped { background: #CCE5FF; color: #004085; }
.status-badge--delivered { background: #D4EDDA; color: #155724; }
.status-badge--cancelled { background: #F8D7DA; color: #721C24; }

/* ---- Quantity Selector ---- */
.qty-selector {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-gray-200);
}

.qty-selector__btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  color: var(--color-gray-500);
  transition: all var(--transition-fast);
}

.qty-selector__btn:hover {
  background: var(--color-gray-100);
  color: var(--color-black);
}

.qty-selector__value {
  width: 40px;
  text-align: center;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  border-left: 1px solid var(--color-gray-200);
  border-right: 1px solid var(--color-gray-200);
  line-height: 36px;
}

/* ---- Tabs ---- */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-gray-200);
  margin-bottom: var(--space-8);
}

.tab {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gray-400);
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  margin-bottom: -1px;
}

.tab:hover {
  color: var(--color-gray-600);
}

.tab.active {
  color: var(--color-black);
  border-bottom-color: var(--color-gold);
}

/* ---- Size Selector ---- */
.size-options {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.size-option {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-gray-200);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  transition: all var(--transition-fast);
}

.size-option:hover {
  border-color: var(--color-black);
}

.size-option.active {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.size-option.disabled {
  opacity: 0.3;
  pointer-events: none;
  text-decoration: line-through;
}

/* ---- Color Selector ---- */
.color-options {
  display: flex;
  gap: var(--space-3);
}

.color-option {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  padding: 2px;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.color-option:hover,
.color-option.active {
  border-color: var(--color-black);
}

.color-option__swatch {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-gray-200);
}

/* ---- Steps Indicator ---- */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-gray-400);
  font-weight: var(--weight-medium);
}

.step.active {
  color: var(--color-black);
}

.step.completed {
  color: var(--color-gold);
}

.step__number {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid currentColor;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
}

.step.active .step__number {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.step.completed .step__number {
  background: var(--color-gold);
  color: var(--color-white);
  border-color: var(--color-gold);
}

.steps__line {
  width: 40px;
  height: 1px;
  background: var(--color-gray-300);
}