/* ============================================================
   Multi-page shell: left nav + page panels (store + admin)
   ============================================================ */

.has-shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: 100vh;
  background: var(--body-gradient);
  background-attachment: scroll;
}

.has-shell .ambient {
  opacity: 0.45;
}

.side-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 18px;
  height: 100vh;
  padding: 18px 14px;
  border-right: 1px solid var(--line);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--primary) 8%, transparent), transparent 28%),
    color-mix(in srgb, var(--surface) 94%, var(--bg));
  backdrop-filter: blur(16px);
  overflow: auto;
}

.side-nav-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.side-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  padding: 4px 6px;
  min-width: 0;
}

.nav-close {
  display: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  color: var(--text);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}

.side-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.side-link {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  text-decoration: none;
  font: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 11px 12px;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.side-link-icon {
  display: inline-grid;
  place-items: center;
  width: 1.15rem;
  color: var(--primary);
  opacity: 0.9;
}

.side-link:hover,
.nav-group-links a:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--primary) 12%, var(--surface));
  border-color: color-mix(in srgb, var(--primary) 22%, transparent);
}

.side-link.is-active,
.nav-group-links a.is-active {
  color: var(--text);
  background: color-mix(in srgb, var(--primary) 18%, var(--surface));
  border-color: color-mix(in srgb, var(--primary) 35%, transparent);
  box-shadow: inset 3px 0 0 var(--primary);
}

.side-link.muted {
  font-size: 0.82rem;
  font-weight: 500;
}

.nav-group {
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--line) 90%, var(--primary));
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--primary) 7%, transparent), transparent 70%),
    color-mix(in srgb, var(--surface) 92%, transparent);
  padding: 4px;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.nav-group[open] {
  border-color: color-mix(in srgb, var(--primary) 34%, var(--line));
  box-shadow: 0 8px 22px color-mix(in srgb, var(--primary) 10%, transparent);
}

.nav-group summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
  padding: 11px 12px;
  border-radius: 10px;
  user-select: none;
  transition: background 0.18s ease;
}

.nav-group summary:hover {
  background: color-mix(in srgb, var(--primary) 10%, transparent);
}

.nav-group summary::-webkit-details-marker {
  display: none;
}

.nav-group-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.nav-chevron {
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(-45deg);
  transition: transform 0.2s ease, border-color 0.2s ease;
  margin-right: 4px;
}

.nav-group[open] .nav-chevron {
  transform: rotate(45deg);
  border-color: var(--primary);
}

.nav-group-links {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 2px 4px 8px;
}

.nav-group-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 12px 10px 2.2rem;
  border-radius: 10px;
  border: 1px solid transparent;
  position: relative;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.nav-group-links a::before {
  content: "";
  position: absolute;
  left: 1.05rem;
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--primary) 55%, var(--muted));
  transform: translateY(-50%);
}

.nav-group-links a.is-active::before {
  background: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent);
}

.side-footer {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.shell-main {
  position: relative;
  z-index: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.shell-topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--header-bg);
  backdrop-filter: blur(12px);
}

.shell-topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.shell-page-title {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 800;
}

.shell-topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.shell-pages {
  flex: 1;
  padding: 8px 0 40px;
}

.page {
  animation: page-in 0.28s ease;
}

.page[hidden] {
  display: none !important;
}

@keyframes page-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.brand-hero-label {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--primary);
}

.hero-page {
  width: min(1100px, calc(100% - 40px));
  min-height: calc(100vh - 140px);
}

.home-stats {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto 24px;
}

.page-form {
  width: min(640px, 100%);
}

.shell-footer {
  margin-top: auto;
  padding: 18px 22px 28px;
}

.shell-footer .footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
  justify-content: space-between;
}

.text-link-button {
  border: 0;
  background: transparent;
  color: var(--primary);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  border: 1px solid color-mix(in srgb, var(--primary) 28%, var(--line));
  border-radius: 12px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--primary) 14%, var(--surface)), var(--surface));
  color: var(--text);
  font: inherit;
  font-weight: 700;
  font-size: 0.86rem;
  padding: 8px 12px;
  box-shadow: 0 8px 18px color-mix(in srgb, var(--primary) 12%, transparent);
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.nav-toggle:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--primary) 48%, var(--line));
  box-shadow: 0 10px 22px color-mix(in srgb, var(--primary) 18%, transparent);
}

.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  width: 16px;
}

.nav-toggle-bars span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 35;
  background: color-mix(in srgb, #020817 55%, transparent);
  backdrop-filter: blur(2px);
}

[data-theme="light"] .nav-backdrop {
  background: color-mix(in srgb, #0f172a 28%, transparent);
}

[data-theme="light"] .side-nav {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--primary) 10%, #fff), transparent 30%),
    #ffffff;
}

[data-theme="light"] .nav-group {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--primary) 8%, #fff), #fff);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03);
}

[data-theme="dark"] .side-nav {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--primary) 12%, transparent), transparent 30%),
    color-mix(in srgb, #0a1628 92%, #000);
}

/* Admin shell refinements */
.admin-body {
  background: var(--admin-shell-bg);
}

.admin-body .side-nav {
  background: color-mix(in srgb, var(--bg-soft) 92%, #000 8%);
}

.admin-pages {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.admin-login.page-form {
  margin: 40px auto;
}

.admin-overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.admin-panel {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  padding: 20px;
  box-shadow: var(--panel-shadow);
}

.admin-panel h2 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.admin-actions-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.admin-link-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.admin-link-list a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.admin-session {
  margin-bottom: 16px;
}

.admin-products,
.admin-orders {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: min(70vh, 820px);
  overflow: auto;
}

.admin-product,
.admin-order {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  padding: 14px 16px;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(0, 1.05fr);
  gap: 18px;
  align-items: start;
}

.home-features {
  width: min(1100px, calc(100% - 40px));
  margin: 8px auto 36px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-tile {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: var(--panel-shadow);
  min-width: 0;
  overflow: hidden;
}

.feature-tile > div {
  min-width: 0;
}

.feature-tile img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 16px;
  display: block;
}

.feature-tile h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  overflow-wrap: anywhere;
}

.feature-tile p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.92rem;
  overflow-wrap: anywhere;
}

.cart-toggle.has-items {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 45%, transparent);
}

.checkout-empty-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.product-meta .secondary-button {
  padding: 10px 14px;
}

@media (max-width: 980px) {
  .has-shell {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-close {
    display: inline-grid;
    place-items: center;
  }

  .side-nav {
    position: fixed;
    left: 0;
    top: 0;
    width: min(300px, 88vw);
    transform: translateX(-105%);
    transition: transform 0.24s ease;
    box-shadow: var(--shadow);
    z-index: 50;
  }

  body.nav-open .side-nav {
    transform: translateX(0);
  }

  body.nav-open {
    overflow: hidden;
  }

  .shell-topbar {
    padding: 12px 16px;
    gap: 10px;
  }

  .shell-topbar-copy .eyebrow {
    display: none;
  }

  .shell-page-title {
    font-size: 1.05rem;
  }

  .shell-pages {
    padding: 8px 0 110px;
  }

  .section-shell,
  .checkout-section {
    padding: 24px 0 36px;
  }

  .home-stats,
  .home-features,
  .hero-section,
  .section-shell,
  .checkout-section {
    width: min(100% - 32px, 1100px);
    max-width: 100%;
  }

  .nav-group-links a {
    min-height: 42px;
    padding: 10px 12px 10px 2.2rem;
  }

  .home-features {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-bottom: 28px;
  }

  .feature-tile {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 12px;
    border-radius: 16px;
  }

  .feature-tile img {
    width: 100%;
    height: 160px;
    border-radius: 12px;
  }

  .feature-tile h3 {
    font-size: 0.98rem;
  }

  .feature-tile p {
    font-size: 0.86rem;
    margin-bottom: 10px;
  }

  .feature-tile .primary-button,
  .feature-tile .secondary-button {
    min-height: 40px;
    padding: 0 12px;
    font-size: 0.86rem;
    width: 100%;
  }

  .admin-overview-grid,
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-pages {
    width: min(100% - 24px, 1120px);
  }

  .hero-page {
    min-height: auto;
    padding-top: 16px;
  }
}

@media (max-width: 480px) {
  .nav-toggle-text {
    display: none;
  }

  .nav-toggle {
    padding: 8px 10px;
  }

  .shell-footer {
    padding: 16px 14px 88px;
  }
}

/* Telegram Mini App: always use phone layout (WebView width can report desktop sizes). */
html.tg-mini-app,
html.tg-mini-app body.has-shell {
  grid-template-columns: 1fr !important;
  overflow-x: clip;
  max-width: 100vw;
}

html.tg-mini-app .side-nav {
  position: fixed;
  left: 0;
  top: 0;
  width: min(300px, 88vw);
  transform: translateX(-105%);
  z-index: 50;
}

html.tg-mini-app body.nav-open .side-nav {
  transform: translateX(0);
}

html.tg-mini-app .nav-toggle {
  display: inline-flex !important;
}

html.tg-mini-app .nav-close {
  display: inline-grid !important;
  place-items: center;
}

html.tg-mini-app .shell-topbar {
  padding-top: max(12px, env(safe-area-inset-top));
  padding-left: 12px;
  padding-right: 12px;
}

html.tg-mini-app .shell-pages {
  padding: 4px 0 120px;
  max-width: 100%;
  overflow-x: clip;
}

html.tg-mini-app .home-features,
html.tg-mini-app .home-stats,
html.tg-mini-app .hero-section,
html.tg-mini-app .section-shell,
html.tg-mini-app .checkout-section,
html.tg-mini-app .admin-pages {
  width: min(100% - 24px, 720px) !important;
  max-width: calc(100vw - 24px) !important;
  margin-left: auto;
  margin-right: auto;
}

html.tg-mini-app .home-features,
html.tg-mini-app .telegram-hub-grid,
html.tg-mini-app .faq-grid,
html.tg-mini-app .products-grid,
html.tg-mini-app .checkout-section {
  grid-template-columns: 1fr !important;
}

html.tg-mini-app .feature-tile {
  grid-template-columns: 1fr !important;
}

html.tg-mini-app .feature-tile img {
  width: 100% !important;
  height: 150px !important;
}

html.tg-mini-app .hero-panel {
  display: none !important;
}

html.tg-mini-app .hero-orbit,
html.tg-mini-app .hero-shine {
  display: none !important;
}

html.tg-mini-app .trust-row {
  gap: 8px;
}

html.tg-mini-app .trust-row span {
  font-size: 0.75rem;
  max-width: 100%;
}

html.tg-mini-app .telegram-bot {
  left: max(12px, env(safe-area-inset-left));
  right: auto;
  bottom: max(12px, env(safe-area-inset-bottom));
}