/* ============================================================
   PerfumerySHK — Layout System
   Header, Footer, Containers, Grid, Sidebar, Drawer
   ============================================================ */

/* ── Container ────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.container--sm { max-width: var(--container-sm); }
.container--md { max-width: var(--container-md); }
.container--lg { max-width: var(--container-lg); }
.container--xl { max-width: var(--container-xl); }

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-8);
  }
}

@media (min-width: 1280px) {
  .container {
    padding: 0 var(--space-12);
  }
}

/* ── Section ──────────────────────────────────────────────── */
.section {
  padding: var(--space-16) 0;
}

.section--sm { padding: var(--space-12) 0; }
.section--lg { padding: var(--space-24) 0; }

@media (max-width: 768px) {
  .section { padding: var(--space-12) 0; }
  .section--sm { padding: var(--space-8) 0; }
  .section--lg { padding: var(--space-16) 0; }
}

/* ── Grid System ──────────────────────────────────────────── */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }
.grid--6 { grid-template-columns: repeat(6, 1fr); }

.grid--products {
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1024px) {
  .grid--4, .grid--5 { grid-template-columns: repeat(3, 1fr); }
  .grid--products { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .grid--3, .grid--4, .grid--5 { grid-template-columns: repeat(2, 1fr); }
  .grid--products { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
  .grid--6 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
  .grid--products { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
  .grid--6 { grid-template-columns: repeat(2, 1fr); }
}

/* ── Flex Utilities ───────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ── HEADER ───────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  transition: var(--transition-base);
  visibility: visible !important;
  display: block !important;
  opacity: 1 !important;
}

.header-banner {
  background: var(--gradient-gold);
  color: var(--color-black);
  text-align: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.header-banner__text {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.header-main {
  background: rgba(17, 17, 17, 0.85);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: var(--glass-border);
  padding: var(--space-4) 0;
  transition: var(--transition-base);
}

.site-header--scrolled .header-main {
  padding: var(--space-3) 0;
  background: rgba(17, 17, 17, 0.95);
}

.header-main .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  text-decoration: none;
}

.header-logo__img {
  height: var(--logo-desktop);
  width: auto;
  transition: var(--transition-base);
}

.header-logo__text {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-ivory);
  letter-spacing: 1px;
}

@media (max-width: 768px) {
  .header-logo__img {
    height: var(--logo-tablet);
  }
  .header-logo__text {
    font-size: var(--text-xl);
  }
}

@media (max-width: 480px) {
  .header-logo__img {
    height: var(--logo-mobile);
  }
  .header-logo__text {
    font-size: var(--text-lg);
  }
}

/* Navigation */
.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: var(--space-2) 0;
  position: relative;
  transition: var(--transition-color);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--duration-normal) var(--ease-out);
}

.nav-link:hover,
.nav-link--active {
  color: var(--color-gold);
}

.nav-link:hover::after,
.nav-link--active::after {
  width: 100%;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-action {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  cursor: pointer;
  background: transparent;
  border: none;
}

.header-action:hover {
  color: var(--color-gold);
  background: var(--bg-surface-hover);
}

.header-action svg {
  width: 22px;
  height: 22px;
}

.header-action__badge {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gold);
  color: var(--color-black);
  font-size: 10px;
  font-weight: var(--weight-bold);
  border-radius: var(--radius-full);
  line-height: 1;
}

.header-action__badge:empty {
  display: none;
}

/* Mobile Menu Burger */
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: transparent;
  border: none;
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
}

.menu-toggle__line {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: var(--transition-base);
}

.menu-toggle__line::before,
.menu-toggle__line::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: var(--transition-base);
}

.menu-toggle__line::before { top: -7px; }
.menu-toggle__line::after  { top: 7px; }

.menu-toggle--active .menu-toggle__line {
  background: transparent;
}

.menu-toggle--active .menu-toggle__line::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle--active .menu-toggle__line::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ── MOBILE DRAWER ────────────────────────────────────────── */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  max-width: 85vw;
  background: var(--bg-secondary);
  z-index: var(--z-drawer);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-out);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.mobile-drawer--open {
  transform: translateX(0);
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: calc(var(--z-drawer) - 1);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-opacity);
}

.drawer-overlay--active {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  border-bottom: var(--border-subtle);
}

.mobile-drawer__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  background: transparent;
  border: none;
  transition: var(--transition-base);
}

.mobile-drawer__close:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.mobile-drawer__nav {
  padding: var(--space-4);
  flex: 1;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-3);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.mobile-nav-link:hover {
  background: var(--bg-surface-hover);
  color: var(--color-gold);
}

.mobile-drawer__footer {
  padding: var(--space-5);
  border-top: var(--border-subtle);
}

/* ── FOOTER ───────────────────────────────────────────────── */
.site-footer {
  background: #0F0F0F;
  border-top: var(--border-subtle);
  position: relative;
  overflow: hidden;
}

/* Footer layout content */

.footer-main {
  padding: var(--space-16) 0 var(--space-12);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-brand__logo {
  height: var(--logo-desktop);
  margin-bottom: var(--space-4);
  transition: var(--transition-base);
}

@media (max-width: 768px) {
  .footer-brand__logo {
    height: var(--logo-tablet);
  }
}

@media (max-width: 480px) {
  .footer-brand__logo {
    height: var(--logo-mobile);
  }
}

.footer-brand__text {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social__link {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: var(--transition-base);
}

.footer-social__link:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: rgba(212, 175, 55, 0.1);
}

.footer-social__link svg {
  width: 18px;
  height: 18px;
}

.footer-column__title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

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

.footer-link {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: var(--transition-color);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-link:hover {
  color: var(--color-gold);
  transform: translateX(2px);
}

.footer-contact__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.footer-contact__item svg {
  width: 16px;
  height: 16px;
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  padding: var(--space-6) 0;
  border-top: var(--border-subtle);
}

.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.footer-payments {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-payments__icon {
  height: 24px;
  opacity: 0.5;
  transition: var(--transition-opacity);
}

.footer-payments__icon:hover {
  opacity: 1;
}

/* ── Two-Column Layout (Shop, Account) ────────────────────── */
.layout-sidebar {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-8);
  align-items: start;
}

@media (max-width: 768px) {
  .layout-sidebar {
    grid-template-columns: 1fr;
  }
}

.sidebar {
  position: sticky;
  top: 120px;
  background: var(--bg-secondary);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

@media (max-width: 768px) {
  .sidebar {
    position: static;
  }
}

.sidebar__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-subtle);
}

.sidebar__section {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: var(--border-subtle);
}

.sidebar__section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.sidebar__section-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

/* ── Content Area with Spacer for Fixed Header ────────────── */
.main-content {
  padding-top: 110px; /* header banner + header main height */
  min-height: 100vh;
  position: relative;
  z-index: 2;
}

@media (max-width: 768px) {
  .main-content {
    padding-top: 100px;
  }
}

/* ── Auth Layout ──────────────────────────────────────────── */
.auth-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.auth-layout__visual {
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  position: relative;
  overflow: hidden;
}

.auth-layout__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../assets/logo/logo-watermark.svg');
  background-size: 300px;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.04;
  pointer-events: none;
}

.auth-layout__form {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  background: var(--bg-secondary);
}

.auth-form-container {
  width: 100%;
  max-width: 400px;
}

@media (max-width: 768px) {
  .auth-layout {
    grid-template-columns: 1fr;
  }
  .auth-layout__visual {
    display: none;
  }
  .auth-layout__form {
    padding: var(--space-6);
  }
}

/* ── Admin Layout ─────────────────────────────────────────── */
.admin-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: var(--bg-secondary);
  border-right: var(--border-subtle);
  padding: var(--space-6);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.admin-sidebar__logo {
  height: 50px;
  margin-bottom: var(--space-8);
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
}

.admin-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.admin-nav__link:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.admin-nav__link--active {
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-gold);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.admin-nav__link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.admin-content {
  padding: var(--space-8);
  background: var(--bg-primary);
  overflow-y: auto;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.admin-header__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
}

/* Admin Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.stat-card {
  background: var(--bg-secondary);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: var(--transition-base);
}

.stat-card:hover {
  border-color: rgba(212, 175, 55, 0.2);
}

.stat-card__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-2);
}

.stat-card__value {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  font-family: var(--font-heading);
}

.stat-card__change {
  font-size: var(--text-xs);
  margin-top: var(--space-2);
}

.stat-card__change--up { color: var(--color-success); }
.stat-card__change--down { color: var(--color-danger); }

@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar {
    position: fixed;
    left: -260px;
    z-index: var(--z-drawer);
    transition: left var(--duration-slow) var(--ease-out);
  }
  .admin-sidebar--open { left: 0; }
  .stats-grid { grid-template-columns: 1fr; }
}

/* ── Scroll to Top ────────────────────────────────────────── */
.scroll-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gold);
  color: var(--color-black);
  border: none;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-gold);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition-base);
  z-index: var(--z-sticky);
}

.scroll-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ── Global Watermark Component ───────────────────────────── */
.section-watermark {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
  background-image: url('../assets/logo/logo-icon.svg');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0.05;
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 20px rgba(212,175,55,0.15));
}

.watermark--left {
  left: -5%;
}

.watermark--right {
  right: -5%;
}

.watermark--center {
  left: 50%;
  transform: translate(-50%, -50%);
}

@media (max-width: 1024px) {
  .section-watermark {
    width: 300px;
    height: 300px;
    opacity: 0.05;
  }
}

@media (max-width: 768px) {
  .section-watermark {
    width: 200px;
    height: 200px;
    opacity: 0.04;
  }
}

/* ── Global Watermark Component (Full Page) ───────────────── */
.global-watermark-placeholder {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.global-watermark-placeholder.watermark--right {
  left: auto;
  right: -10%;
  transform: translateY(-50%);
  width: 600px;
}

@media (max-width: 768px) {
  .global-watermark-placeholder.watermark--right {
    width: 400px;
    right: -20%;
  }
}

.global-watermark {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.05;
  z-index: 1;
  pointer-events: none;
}

.global-watermark img {
  max-width: 280px;
  width: 100%;
  height: auto;
  object-fit: contain;
  opacity: 1;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 20px rgba(212,175,55,0.15));
}

.scroll-top:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold-lg);
}

.scroll-top svg {
  width: 20px;
  height: 20px;
}