/* =====================================================================
   OZON — layout: shell (sidebar, topbar, tabbar), sahifa, grid utilitalari
   Breakpointlar: ≥1280 keng · 900–1279 desktop · <900 mobil (tabbar) · <560 tor
   ===================================================================== */

/* ---------- Shell ------------------------------------------------------- */
.shell { position: relative; min-height: 100vh; min-height: 100dvh; }

.sidebar {
  position: fixed; z-index: var(--z-nav);
  top: calc(var(--shell-gap) + var(--safe-top)); bottom: var(--shell-gap); left: calc(var(--shell-gap) + var(--safe-left));
  width: var(--sidebar-w);
  --g-radius: var(--r-xl);
  display: flex; flex-direction: column;
  padding: 14px 10px 10px;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 12px;
  padding: 6px 10px 16px; margin-bottom: 4px;
  border-radius: var(--r-md);
  color: var(--brand);
}
.sidebar-brand .brand-mark { width: 38px; height: 38px; }
.sidebar-brand-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.sidebar-brand .brand-wordmark { height: 15px; width: auto; }
.sidebar-brand-sub { font-size: var(--fs-2xs); font-weight: 600; color: var(--ink-3); letter-spacing: .02em; white-space: nowrap; }
html[data-theme="dark"] .sidebar-brand { color: var(--brand-ink); }
@media (prefers-color-scheme: dark) { html:not([data-theme="light"]) .sidebar-brand { color: var(--brand-ink); } }

.sidebar-scroll { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; margin: 0 -4px; padding: 0 4px 8px; scrollbar-width: none; }
.sidebar-scroll::-webkit-scrollbar { display: none; }

.nav { position: relative; display: flex; flex-direction: column; gap: 14px; }
.nav-group { display: flex; flex-direction: column; gap: 2px; }
.nav-group-label { padding: 0 12px 4px; font-size: var(--fs-2xs); font-weight: 700; letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--ink-3); }
.nav-item {
  position: relative; z-index: 1;
  display: flex; align-items: center; gap: 11px;
  min-height: 40px; padding: 8px 12px;
  border-radius: 14px;
  font-size: 14px; font-weight: 550; color: var(--ink-2);
  transition: color var(--dur-2) var(--ease-out), background var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-spring);
}
.nav-item .ic { color: var(--ink-3); transition: color var(--dur-2) var(--ease-out); }
@media (hover: hover) { .nav-item:hover:not(.is-active) { background: var(--hover); color: var(--ink); } .nav-item:hover:not(.is-active) .ic { color: var(--ink-2); } }
.nav-item:active { transform: scale(.98); }
.nav-item.is-active { color: var(--on-brand); font-weight: 650; }
.nav-item.is-active .ic { color: var(--on-brand); }
.nav-item .nav-badge { margin-left: auto; }
.nav-indicator {
  position: absolute; left: 0; right: 0; top: 0; z-index: 0;
  height: 40px; --g-radius: 14px;
  transform: translateY(var(--y, 0));
  transition: transform 420ms var(--ease-spring), height 300ms var(--ease-spring), opacity var(--dur-2) var(--ease-out);
  pointer-events: none;
}
.nav-indicator.no-anim { transition: none; }
.nav-indicator[data-hidden] { opacity: 0; }

.sidebar-foot { padding: 10px 4px 2px; border-top: 1px solid var(--line); margin-top: 6px; }
.sidebar-note { display: flex; align-items: flex-start; gap: 10px; padding: 10px 12px; font-size: var(--fs-xs); color: var(--ink-3); line-height: 1.4; }
.sidebar-note .ic { color: var(--brand-ink); margin-top: 1px; }

.shell-main {
  position: relative; z-index: var(--z-content);
  margin-left: calc(var(--sidebar-w) + var(--shell-gap) + var(--safe-left));
  min-width: 0;
}

/* ---------- Topbar ------------------------------------------------------ */
.topbar {
  position: sticky; z-index: var(--z-nav);
  top: calc(var(--shell-gap) + var(--safe-top));
  margin: var(--shell-gap) var(--shell-gap) 0;
  margin-top: calc(var(--shell-gap) + var(--safe-top));
  min-height: var(--topbar-h);
  --g-radius: 20px;
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px 8px 18px;
}
.topbar-lead { position: relative; flex: 1; min-width: 0; height: 40px; }
.topbar-lead > * { position: absolute; inset: 0; display: flex; align-items: center; min-width: 0; transition: opacity var(--dur-3) var(--ease-out), transform var(--dur-3) var(--ease-out); }
.topbar-title { font-size: var(--fs-md); font-weight: 700; letter-spacing: var(--tracking-tight); opacity: 0; transform: translateY(6px); pointer-events: none; }
.topbar.show-title .topbar-crumbs { opacity: 0; transform: translateY(-6px); pointer-events: none; }
.topbar.show-title .topbar-title { opacity: 1; transform: none; pointer-events: auto; }
.topbar-home { display: none; }
.topbar-actions { display: flex; align-items: center; gap: 6px; flex: none; }
.topbar-sep { width: 1px; height: 24px; background: var(--line-2); margin: 0 4px; }

/* ---------- Asosiy kontent ---------------------------------------------- */
.main { display: block; outline: none; padding: 26px var(--page-pad) 72px; }
.page { max-width: var(--content-max); margin: 0 auto; }
.page-host { position: relative; }
/* Sahifa almashinuvi. MUHIM: o'ramga opacity/filter berilmaydi — u "backdrop root"
   bo'lib qoladi va ichidagi glass kartalar animatsiya davomida blur'ni yo'qotadi.
   O'ram faqat transform bilan siljiydi, shishalar esa o'zi so'nib-yonadi. */
.view-enter { animation: view-slide 520ms var(--ease-spring-soft) both; }
@keyframes view-slide { from { transform: translateY(14px); } to { transform: none; } }
.view-enter :where(.glass, .glass-tint, .glass-thin, .page-header, .demo-banner, .callout, .section-head) { animation: view-fade 380ms var(--ease-out) both; }
@keyframes view-fade { from { opacity: 0; } to { opacity: 1; } }
/* Ketma-ket kirish (stagger): .stagger > * */
.stagger > * { animation: rise-in 520ms var(--ease-out) both; }
.stagger > *:nth-child(1) { animation-delay: 30ms; } .stagger > *:nth-child(2) { animation-delay: 70ms; }
.stagger > *:nth-child(3) { animation-delay: 110ms; } .stagger > *:nth-child(4) { animation-delay: 150ms; }
.stagger > *:nth-child(5) { animation-delay: 190ms; } .stagger > *:nth-child(6) { animation-delay: 230ms; }
.stagger > *:nth-child(7) { animation-delay: 260ms; } .stagger > *:nth-child(8) { animation-delay: 290ms; }
.stagger > *:nth-child(n+9) { animation-delay: 320ms; }
@keyframes rise-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ---------- Mobil tabbar ------------------------------------------------- */
.tabbar { display: none; }

/* ---------- Grid va flex utilitalari -------------------------------------- */
.grid { display: grid; gap: var(--gap, var(--s-5)); }
.grid-2 { display: grid; gap: var(--gap, var(--s-5)); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { display: grid; gap: var(--gap, var(--s-5)); grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { display: grid; gap: var(--gap, var(--s-5)); grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-auto { display: grid; gap: var(--gap, var(--s-5)); grid-template-columns: repeat(auto-fill, minmax(min(var(--min, 260px), 100%), 1fr)); }
.grid-auto-fit { display: grid; gap: var(--gap, var(--s-5)); grid-template-columns: repeat(auto-fit, minmax(min(var(--min, 260px), 100%), 1fr)); }

.bento { display: grid; gap: var(--gap, var(--s-5)); grid-template-columns: repeat(12, minmax(0, 1fr)); }
.bento > * { grid-column: span 12; min-width: 0; }
.bento > .span-3 { grid-column: span 3; } .bento > .span-4 { grid-column: span 4; }
.bento > .span-5 { grid-column: span 5; } .bento > .span-6 { grid-column: span 6; }
.bento > .span-7 { grid-column: span 7; } .bento > .span-8 { grid-column: span 8; }
.bento > .span-9 { grid-column: span 9; } .bento > .span-12 { grid-column: span 12; }
.bento > .row-2 { grid-row: span 2; }

.stack { display: flex; flex-direction: column; gap: var(--gap, var(--s-4)); min-width: 0; }
.stack-xs { --gap: var(--s-1); } .stack-sm { --gap: var(--s-2); } .stack-md { --gap: var(--s-4); } .stack-lg { --gap: var(--s-6); } .stack-xl { --gap: var(--s-10); }
.row { display: flex; align-items: center; gap: var(--gap, var(--s-3)); min-width: 0; }
.row.wrap, .wrap { flex-wrap: wrap; }
.row.top { align-items: flex-start; }
.row.base { align-items: baseline; }
.between { justify-content: space-between; }
.end { justify-content: flex-end; }
.center { justify-content: center; text-align: center; }
.grow, .flex-1 { flex: 1 1 auto; min-width: 0; }
.ml-auto { margin-left: auto; }
.gap-1 { --gap: var(--s-1); } .gap-2 { --gap: var(--s-2); } .gap-3 { --gap: var(--s-3); } .gap-4 { --gap: var(--s-4); } .gap-6 { --gap: var(--s-6); } .gap-8 { --gap: var(--s-8); }
.mt-1 { margin-top: var(--s-1); } .mt-2 { margin-top: var(--s-2); } .mt-3 { margin-top: var(--s-3); } .mt-4 { margin-top: var(--s-4); } .mt-6 { margin-top: var(--s-6); } .mt-8 { margin-top: var(--s-8); } .mt-10 { margin-top: var(--s-10); }
.mb-2 { margin-bottom: var(--s-2); } .mb-4 { margin-bottom: var(--s-4); } .mb-6 { margin-bottom: var(--s-6); }
.p-0 { padding: 0 !important; }
.w-full { width: 100%; }
.section { margin-top: var(--s-10); }
.section:first-child { margin-top: 0; }
.only-mobile { display: none !important; }

/* ---------- Breakpointlar ------------------------------------------------- */
@media (max-width: 1279px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bento > .span-3 { grid-column: span 6; }
  .bento > .span-4 { grid-column: span 6; }
  .bento > .span-5, .bento > .span-7 { grid-column: span 12; }
}
@media (max-width: 1099px) {
  .bento > .span-8, .bento > .span-9 { grid-column: span 12; }
  .bento > .span-4.keep-third { grid-column: span 6; }
}

@media (max-width: 899px) {
  :root { --shell-gap: 10px; --topbar-h: 54px; }
  .sidebar { display: none; }
  .shell-main { margin-left: 0; }
  .topbar {
    margin: 0; border-radius: 0 0 22px 22px; --g-radius: 0 0 22px 22px;
    top: 0; padding: calc(6px + var(--safe-top)) 8px 6px 12px;
    margin-top: 0;
  }
  .topbar-home { display: inline-flex; }
  .topbar-crumbs { display: none !important; }
  .topbar-title { opacity: 1; transform: none; font-size: var(--fs-md); padding-left: 2px; }
  .topbar .hide-mobile { display: none !important; }
  .main { padding: 18px 16px calc(var(--tabbar-h) + 34px + var(--safe-bottom)); }
  .only-mobile { display: revert !important; }
  .hide-mobile { display: none !important; }
  .grid-2, .grid-3 { grid-template-columns: minmax(0, 1fr); }
  .bento > .span-3, .bento > .span-4, .bento > .span-6 { grid-column: span 12; }

  .tabbar {
    position: fixed; z-index: var(--z-nav);
    left: calc(12px + var(--safe-left)); right: calc(12px + var(--safe-right));
    bottom: calc(10px + var(--safe-bottom));
    height: var(--tabbar-h);
    --g-radius: 26px;
    display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
    padding: 6px;
  }
  .tab-item {
    position: relative; z-index: 1;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
    min-width: 0; border-radius: 20px;
    font-size: 10.5px; font-weight: 650; letter-spacing: 0; color: var(--ink-3);
    transition: color var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-spring);
  }
  .tab-item span { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .tab-item:active { transform: scale(.92); }
  .tab-item.is-active { color: var(--brand-ink); }
  .tabbar-lens {
    position: absolute; z-index: 0; top: 6px; bottom: 6px; left: 6px;
    width: calc((100% - 12px) / 5);
    --g-radius: 20px;
    --g-fill: linear-gradient(180deg, rgba(255, 255, 255, .85), rgba(255, 255, 255, .55));
    transform: translateX(calc(var(--i, 0) * 100%));
    transition: transform 460ms var(--ease-spring);
    pointer-events: none;
  }
  .tabbar-lens[data-hidden] { opacity: 0; }
}
@media (max-width: 899px) {
  html[data-theme="dark"] .tabbar-lens { --g-fill: linear-gradient(180deg, rgba(255, 120, 150, .20), rgba(255, 90, 125, .10)); }
}
@media (max-width: 899px) and (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .tabbar-lens { --g-fill: linear-gradient(180deg, rgba(255, 120, 150, .20), rgba(255, 90, 125, .10)); }
}

@media (max-width: 559px) {
  .grid-4 { grid-template-columns: minmax(0, 1fr); }
  .grid-4.keep-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); --gap: var(--s-3); }
}