/* ==========================================================================
   MAISON ANTIQUE — UI Components
   Minimalist Buttons, Custom Cursor, Museum Header, Drawers, Modals
   ========================================================================== */

/* --- Custom Luxury Cursor --- */
.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease, transform 0.15s ease-out;
  opacity: 0;
}

.cursor-dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-text-primary);
  border-radius: 50%;
  transition: transform 0.2s ease, background-color 0.3s ease;
}

.cursor-ring {
  position: absolute;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(24, 23, 19, 0.35);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: width 0.35s var(--ease-editorial), height 0.35s var(--ease-editorial),
              background-color 0.35s ease, border-color 0.35s ease, transform 0.2s ease-out;
}

.cursor-label {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-light);
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.25s ease, transform 0.25s var(--ease-editorial);
  pointer-events: none;
  white-space: nowrap;
}

/* Cursor Context States */
.custom-cursor.is-hovering .cursor-dot {
  opacity: 0;
}

.custom-cursor.is-hovering .cursor-ring {
  width: 72px;
  height: 72px;
  background-color: var(--color-text-primary);
  border-color: var(--color-text-primary);
}

.custom-cursor.is-hovering .cursor-label {
  opacity: 1;
  transform: scale(1);
}

.custom-cursor.is-dark .cursor-dot {
  background-color: var(--color-text-light);
}

.custom-cursor.is-dark .cursor-ring {
  border-color: rgba(241, 236, 226, 0.4);
}

.custom-cursor.is-dark.is-hovering .cursor-ring {
  background-color: var(--color-text-light);
  border-color: var(--color-text-light);
}

.custom-cursor.is-dark.is-hovering .cursor-label {
  color: var(--color-text-primary);
}

@media (pointer: coarse), (hover: none) {
  .custom-cursor {
    display: none !important;
  }
}

/* --- Fixed Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 88px;
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: height 0.4s var(--ease-editorial), background-color 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  height: 70px;
  background-color: rgba(241, 236, 226, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
}

.site-header.theme-dark-header {
  background-color: rgba(20, 19, 16, 0.88);
  border-bottom: 1px solid var(--border-dark);
}

.header-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter-desktop);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

/* Brand Logo */
.brand-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  flex-direction: column;
  line-height: 1;
  transition: opacity 0.3s ease;
}

.brand-logo small {
  font-family: var(--font-sans);
  font-size: 0.58rem;
  letter-spacing: 0.35em;
  color: var(--color-brass);
  margin-top: 4px;
}

/* Main Navigation */
.header-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  text-decoration: none;
  position: relative;
  padding: 6px 0;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-brass);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.4s var(--ease-editorial);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
  transform-origin: left center;
}

/* Header Utilities */
.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
}

.action-btn {
  background: none;
  border: none;
  padding: 6px;
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.3s ease, opacity 0.3s ease;
}

.action-btn:hover {
  color: var(--color-brass);
}

.action-btn .badge {
  font-size: 0.65rem;
  background-color: var(--color-text-primary);
  color: var(--color-text-light);
  width: 17px;
  height: 17px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 2px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  padding: 2px 4px;
  cursor: pointer;
  transition: color 0.25s ease;
}

.lang-btn.is-active {
  color: var(--color-text-primary);
  font-weight: 600;
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  flex-direction: column;
  justify-content: space-between;
  padding: 2px 0;
  z-index: 1002;
}

.mobile-toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background-color: var(--color-text-primary);
  transition: transform 0.35s ease, opacity 0.25s ease;
}

.mobile-toggle.is-active span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}

.mobile-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.is-active span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

/* Mobile Nav Panel */
.mobile-nav-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-bg-ivory);
  background-image: var(--texture-grain);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px var(--gutter-mobile);
  transform: translateY(-100%);
  transition: transform 0.6s var(--ease-editorial);
}

.mobile-nav-panel.is-open {
  transform: translateY(0);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-link {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 300;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.mobile-link:hover {
  color: var(--color-brass);
}

/* --- Floating Side Index / Counter --- */
.floating-index-tracker {
  position: fixed;
  left: 36px;
  bottom: 48px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.tracker-number {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  font-feature-settings: 'tnum' on;
}

.tracker-line {
  width: 1px;
  height: 48px;
  background-color: var(--border-medium);
  position: relative;
  overflow: hidden;
}

.tracker-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background-color: var(--color-brass);
  transition: height 0.15s ease-out;
}

/* --- Minimalist Luxury Buttons --- */
.btn-editorial {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: none;
  border: none;
  padding: 10px 0;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  text-decoration: none;
  cursor: pointer;
  position: relative;
  transition: color 0.4s var(--ease-editorial);
}

.btn-editorial .arrow-icon {
  display: inline-block;
  font-size: 1rem;
  line-height: 1;
  transition: transform 0.4s var(--ease-editorial);
}

.btn-editorial::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: calc(100% - 24px);
  height: 1px;
  background-color: currentColor;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.4s var(--ease-editorial);
}

.btn-editorial:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.btn-editorial:hover .arrow-icon {
  transform: translateX(6px);
}

/* Secondary Button with Border */
.btn-bordered {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  text-decoration: none;
  border: 1px solid var(--border-medium);
  background: transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s ease, color 0.4s ease;
}

.btn-bordered::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-text-primary);
  transform: translateY(100%);
  transition: transform 0.45s var(--ease-editorial);
  z-index: 0;
}

.btn-bordered span,
.btn-bordered svg,
.btn-bordered .btn-arrow {
  position: relative;
  z-index: 1;
  transition: color 0.45s ease;
}

.btn-bordered:hover {
  border-color: var(--color-text-primary);
  color: var(--color-text-light);
}

.btn-bordered:hover::before {
  transform: translateY(0);
}

.btn-bordered.theme-dark-btn {
  border-color: var(--border-dark);
  color: var(--color-text-light);
}

.btn-bordered.theme-dark-btn::before {
  background-color: var(--color-text-light);
}

.btn-bordered.theme-dark-btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-text-light);
}

/* --- Underlined Editorial Form Field --- */
.input-underlined {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-medium);
  padding: 16px 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: inherit;
  outline: none;
  transition: border-color 0.3s ease;
}

.input-underlined:focus {
  border-bottom-color: var(--color-brass);
}

.input-underlined::placeholder {
  color: var(--color-text-muted);
  font-weight: 300;
}

/* --- Museum Detail Drawer (Quick View) --- */
.museum-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(20, 19, 16, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s var(--ease-editorial);
}

.museum-drawer-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

.museum-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(720px, 92vw);
  height: 100%;
  background-color: var(--color-bg-ivory);
  box-shadow: var(--shadow-dark);
  z-index: 2001;
  transform: translateX(100%);
  transition: transform 0.6s var(--ease-editorial);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.museum-drawer-overlay.is-active .museum-drawer {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 32px 40px 20px;
  border-bottom: 1px solid var(--border-light);
}

.drawer-close-btn {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.3s ease;
}

.drawer-close-btn:hover {
  color: var(--color-text-primary);
}

.drawer-body {
  padding: 40px;
  flex: 1;
}

.drawer-image-wrapper {
  position: relative;
  width: 100%;
  height: 440px;
  background-color: var(--color-bg-paper);
  overflow: hidden;
  margin-bottom: 32px;
}

.drawer-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-editorial);
}

.drawer-image-wrapper:hover img {
  transform: scale(1.04);
}

.drawer-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 32px 0;
  padding: 24px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.drawer-meta-item small {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.drawer-meta-item span {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-text-primary);
}

/* --- Modal Windows (Sourcing, Consignment, Search) --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(14, 13, 11, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 2100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.45s ease;
}

.modal-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  width: min(640px, 100%);
  background-color: var(--color-bg-dark-secondary);
  color: var(--color-text-light);
  border: 1px solid var(--border-dark);
  padding: 56px 48px;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.5s var(--ease-editorial);
}

.modal-overlay.is-active .modal-container {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 28px;
  right: 28px;
  background: none;
  border: none;
  color: var(--color-text-light-muted);
  font-size: 1.25rem;
  cursor: pointer;
  transition: color 0.25s ease;
}

.modal-close-btn:hover {
  color: var(--color-text-light);
}

/* Toast Message */
.museum-toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: 16px 24px;
  border-left: 2px solid var(--color-brass);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 3000;
  transform: translateY(80px);
  opacity: 0;
  transition: transform 0.5s var(--ease-editorial), opacity 0.5s ease;
}

.museum-toast.is-visible {
  transform: translateY(0);
  opacity: 1;
}

/* --- Media Queries for Components --- */
@media (max-width: 1024px) {
  .header-container {
    grid-template-columns: auto 1fr auto;
  }
  .header-nav {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .floating-index-tracker {
    display: none;
  }
  .site-header {
    height: 72px;
    padding: 0;
  }
  .header-container {
    padding: 0 var(--gutter-tablet);
  }
}

@media (max-width: 640px) {
  .header-container {
    padding: 0 var(--gutter-mobile);
  }
  .modal-container {
    padding: 40px 24px;
  }
  .drawer-body, .drawer-header {
    padding: 24px;
  }
  .drawer-meta-grid {
    grid-template-columns: 1fr;
  }
}