/**
 * BIG ZAINT — Customer Shell Architecture
 * Header, Sidebar, Drawer, Mobile Navigation, Layout Containers, Footer
 */

/* =========================================================================
   1. Master Customer Layout Grid
   ========================================================================= */
.c-shell-layout {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  background-color: var(--c-bg);
}

.c-shell-body,
.c-shell-container {
  display: flex;
  flex: 1;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  gap: 1.75rem;
}

.c-shell-sidebar {
  width: 270px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.c-shell-main,
.c-shell-content {
  flex: 1;
  min-width: 0; /* Prevents flex children blowout */
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.c-shell-container .c-shell-layout,
.c-shell-layout > .c-shell-container {
  display: flex;
  flex-direction: row;
  flex: 1;
  width: 100%;
  gap: 1.75rem;
  background: transparent;
  min-height: auto;
}

/* =========================================================================
   2. Master Customer Desktop Header
   ========================================================================= */
.c-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #ffffff;
  border-bottom: 1px solid var(--c-border);
  box-shadow: var(--c-shadow-xs);
  transition: box-shadow var(--c-transition-normal);
}

.c-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  min-height: 68px;
}

/* Brand Logo */
.c-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  flex-shrink: 0;
}

.c-brand-logo {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.c-brand-text {
  font-family: var(--c-font);
  font-size: 1.25rem;
  font-weight: var(--c-fw-extrabold);
  color: var(--c-primary);
  letter-spacing: -0.03em;
  display: flex;
  align-items: baseline;
}

.c-brand-text span {
  color: var(--c-accent);
}

/* Search Bar */
.c-header-search {
  flex: 1;
  max-width: 520px;
  position: relative;
}

.c-header-search-input {
  width: 100%;
  height: 42px;
  padding: 0 2.5rem 0 2.5rem;
  font-family: var(--c-font);
  font-size: var(--c-fs-sm);
  background-color: var(--c-surface-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--c-radius-full);
  color: var(--c-text);
  outline: none;
  transition: all var(--c-transition-fast);
}

.c-header-search-input:focus {
  background-color: #ffffff;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(12, 53, 120, 0.12);
}

.c-header-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-text-subtle);
  pointer-events: none;
  font-size: 0.875rem;
}

/* Header Nav Actions */
.c-header-actions {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.c-header-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.875rem;
  min-height: 42px;
  font-family: var(--c-font);
  font-size: var(--c-fs-sm);
  font-weight: var(--c-fw-semibold);
  color: var(--c-text);
  text-decoration: none;
  border-radius: var(--c-radius-sm);
  transition: all var(--c-transition-fast);
  position: relative;
}

.c-header-btn:hover {
  background-color: var(--c-surface-soft);
  color: var(--c-primary);
}

.c-header-btn.is-active {
  background-color: var(--c-primary-light);
  color: var(--c-primary);
}

.c-cart-count-badge {
  background-color: var(--c-accent);
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: var(--c-fw-bold);
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  position: absolute;
  top: 4px;
  right: 4px;
}

/* =========================================================================
   3. Master Customer Desktop Sidebar
   ========================================================================= */
.c-sidebar-card {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--c-radius-lg);
  box-shadow: var(--c-shadow-sm);
  overflow: hidden;
  position: sticky;
  top: 86px;
}

.c-sidebar-profile {
  padding: 1.25rem;
  background: linear-gradient(135deg, var(--c-primary-light) 0%, #ffffff 100%);
  border-bottom: 1px solid var(--c-border-subtle);
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.c-sidebar-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 100%);
  color: #ffffff;
  font-weight: var(--c-fw-bold);
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(12, 53, 120, 0.20);
}

.c-sidebar-info {
  min-width: 0;
}

.c-sidebar-name {
  font-size: var(--c-fs-base);
  font-weight: var(--c-fw-bold);
  color: var(--c-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0;
}

.c-sidebar-role {
  font-size: var(--c-fs-xs);
  color: var(--c-text-muted);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.c-sidebar-nav {
  padding: 0.875rem 0.625rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.c-nav-group-title {
  font-size: var(--c-fs-2xs);
  font-weight: var(--c-fw-bold);
  color: var(--c-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.375rem 0.75rem 0.125rem;
}

.c-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.c-nav-item a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.875rem;
  border-radius: var(--c-radius-sm);
  color: var(--c-text-muted);
  font-size: var(--c-fs-sm);
  font-weight: var(--c-fw-medium);
  text-decoration: none;
  transition: all var(--c-transition-fast);
  position: relative;
}

.c-nav-item a i {
  font-size: 1rem;
  width: 20px;
  text-align: center;
  color: var(--c-text-subtle);
  transition: color var(--c-transition-fast);
}

.c-nav-item a:hover {
  background-color: var(--c-surface-soft);
  color: var(--c-primary);
}

.c-nav-item a:hover i {
  color: var(--c-primary);
}

.c-nav-item a.active {
  background-color: var(--c-primary-light);
  color: var(--c-primary);
  font-weight: var(--c-fw-bold);
}

.c-nav-item a.active i {
  color: var(--c-primary);
}

.c-nav-item a.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 25%;
  bottom: 25%;
  width: 3.5px;
  background-color: var(--c-primary);
  border-radius: 0 4px 4px 0;
}

/* Nav Badge Count */
.c-nav-badge {
  margin-left: auto;
  background-color: var(--c-surface-soft);
  color: var(--c-text-muted);
  font-size: var(--c-fs-2xs);
  font-weight: var(--c-fw-semibold);
  padding: 2px 7px;
  border-radius: 9999px;
}

.c-nav-item a.active .c-nav-badge {
  background-color: #ffffff;
  color: var(--c-primary);
}

/* Logout link special color */
.c-nav-item.is-logout a:hover {
  background-color: var(--c-danger-light);
  color: var(--c-danger);
}
.c-nav-item.is-logout a:hover i {
  color: var(--c-danger);
}

/* =========================================================================
   4. Mobile Header & Drawer
   ========================================================================= */
.c-mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #ffffff;
  border-bottom: 1px solid var(--c-border);
  box-shadow: var(--c-shadow-xs);
  padding: 0.625rem 1rem;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
}

.c-drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  z-index: 1060;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--c-transition-normal), visibility var(--c-transition-normal);
}

.c-drawer-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.c-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: 290px;
  max-width: 85vw;
  background-color: #ffffff;
  z-index: 1070;
  box-shadow: var(--c-shadow-xl);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform var(--c-transition-normal);
  overflow-y: auto;
}

.c-drawer-overlay.is-open .c-drawer {
  transform: translateX(0);
}

.c-drawer-header {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--c-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* =========================================================================
   5. Customer Unified Mobile Bottom Navigation
   ========================================================================= */
.c-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 995;
  background-color: #ffffff;
  border-top: 1px solid var(--c-border);
  box-shadow: 0 -4px 18px rgba(15, 23, 42, 0.06);
  padding: 4px 8px env(safe-area-inset-bottom, 0px);
  height: calc(62px + env(safe-area-inset-bottom, 0px));
}

.c-bottom-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  width: 100%;
  height: 100%;
}

.c-bnav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-decoration: none;
  color: var(--c-text-muted);
  font-size: 11px;
  font-weight: var(--c-fw-semibold);
  min-height: 48px;
  position: relative;
  transition: color var(--c-transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.c-bnav-item i {
  font-size: 1.125rem;
  transition: transform var(--c-transition-fast);
}

.c-bnav-item.active {
  color: var(--c-primary);
  font-weight: var(--c-fw-bold);
}

.c-bnav-item.active i {
  transform: scale(1.12);
  color: var(--c-primary);
}

.c-bnav-badge {
  position: absolute;
  top: 4px;
  right: calc(50% - 16px);
  background-color: var(--c-accent);
  color: #ffffff;
  font-size: 10px;
  font-weight: var(--c-fw-bold);
  min-width: 16px;
  height: 16px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* =========================================================================
   6. Customer Footer
   ========================================================================= */
.c-footer {
  background-color: #ffffff;
  border-top: 1px solid var(--c-border);
  padding: 2rem 1.25rem 1.5rem;
  margin-top: auto;
}

.c-footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  font-size: var(--c-fs-xs);
  color: var(--c-text-muted);
}

.c-footer-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.c-footer-links a {
  color: var(--c-text-muted);
  text-decoration: none;
}

.c-footer-links a:hover {
  color: var(--c-primary);
}