/* Page-level structure from the approved mockup: side rail, sticky top bar, main column,
 * footer. Below 900px the rail becomes a drawer opened from the top bar. */

/* main column of every page, next to the rail */
.wrap { padding: clamp(18px, 3vw, 36px) var(--container-pad) 0; max-width: calc(var(--container) - var(--rail)); margin-inline: auto; width: 100%; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--container-pad); }

/* display type, shared by every heading class */
.display, .h1, .h2, .h3 { font-family: var(--font-display); line-height: var(--lh-tight); letter-spacing: var(--track-display); text-wrap: balance; }
.h1 { font-size: var(--fs-h1); font-weight: 800; }
.h2 { font-size: var(--fs-h2); font-weight: 800; }
.h3 { font-size: var(--fs-h3); font-weight: 700; letter-spacing: -.01em; }
p { text-wrap: pretty; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--color-muted); }

/* ── side rail ────────────────────────────────────────────────────────── */
.rail {
  position: fixed; inset: 0 auto 0 0; z-index: var(--z-rail);
  width: var(--rail); display: flex; flex-direction: column; gap: 18px;
  padding: 22px 16px; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin;
  background: var(--surface-0); border-right: 1px solid var(--line);
}
.logo { display: inline-flex; align-items: center; flex: none; text-decoration: none; border-radius: 6px; }
.logo picture { display: block; }
.logo__img { display: block; width: auto; height: 30px; }
.logo--rail { align-self: flex-start; padding: 4px 4px 4px 8px; }
.logo--footer .logo__img { height: 34px; }
.rail__nav { display: flex; flex-direction: column; gap: 2px; }
.rail__link {
  display: flex; align-items: center; gap: 12px; min-height: 42px; padding: 0 12px; border-radius: var(--radius-sm);
  color: var(--color-muted); font-weight: 500; text-decoration: none;
  transition: background-color var(--dur-base) var(--ease), color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}
.rail__link .icon { width: 20px; height: 20px; }
.rail__link:hover { background: var(--surface-2); color: var(--color-text); }
.rail__link[aria-current="page"], .rail__link.is-current { background: var(--brand-tint); color: var(--color-text); box-shadow: inset 3px 0 0 var(--color-brand); }
.rail__tag { margin-left: auto; padding: 2px 8px; border-radius: var(--radius-pill); background: var(--gold-tint); color: var(--color-gold); font-size: .7rem; font-weight: 700; }
.rail__label { padding: 6px 12px 0; font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: color-mix(in oklab, var(--color-muted) 80%, transparent); }
.rail__foot { margin-top: auto; display: grid; gap: 10px; padding-top: 8px; }
.rail__age { display: flex; gap: 10px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-md); font-size: var(--fs-xs); color: var(--color-muted); line-height: 1.35; }
.age-badge { display: grid; place-items: center; min-width: 34px; height: 34px; border-radius: 50%; border: 2px solid var(--color-gold); color: var(--color-gold); font: 800 .8rem var(--font-display); flex: none; }
.rail__user { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-md); background: var(--surface-1); border: 1px solid var(--line); font-size: var(--fs-small); }
.avatar { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--brand-tint); color: var(--color-brand); font: 800 .85rem var(--font-display); flex: none; }
.rail__close { display: none; }

/* ── top bar ──────────────────────────────────────────────────────────── */
.app { margin-left: var(--rail); min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: var(--z-header);
  display: flex; align-items: center; gap: 14px; padding: 14px var(--container-pad);
  background: color-mix(in oklab, var(--color-bg) 78%, transparent);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar__logo { display: none; }
.topbar__geo { display: inline-flex; align-items: center; gap: 6px; margin-left: auto; font-size: .82rem; color: var(--color-muted); white-space: nowrap; }
.dot-live { width: 8px; height: 8px; border-radius: 50%; background: var(--color-live); box-shadow: 0 0 0 4px rgb(61 220 151 / .16); }
.topbar__actions { display: flex; align-items: center; gap: 10px; }
.burger { display: none; }
main { flex: 1; }

/* ── footer ───────────────────────────────────────────────────────────── */
.site-footer { margin-top: var(--section-gap); border-top: 1px solid var(--line); background: var(--surface-0); }
.site-footer__top { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: var(--space-32); padding-block: var(--space-48) var(--space-32); }
.site-footer__brand p { margin-top: 14px; max-width: 34ch; font-size: var(--fs-small); color: var(--color-muted); }
.site-footer__title { font: 700 .78rem var(--font-body); letter-spacing: .14em; text-transform: uppercase; color: var(--color-muted); margin-bottom: 14px; }
.site-footer__list { display: grid; gap: 4px; }
.site-footer__list a, .site-footer__inline a {
  position: relative; display: inline-block; padding-block: 3px; font-size: var(--fs-small); color: var(--color-text); text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}
.site-footer__list a:hover { color: var(--color-brand); }
/* operator data: a wide auto-fit band, never a narrow fourth column */
.site-footer__data { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-16) var(--space-24); padding-block: var(--space-24); border-top: 1px solid var(--line); }
.site-footer__data dt { font-size: var(--fs-xs); letter-spacing: .08em; text-transform: uppercase; color: var(--color-muted); }
.site-footer__data dd { margin: 4px 0 0; font-size: var(--fs-small); }
.site-footer__badges { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; padding-block: var(--space-24); border-top: 1px solid var(--line); }
.pay-chip { display: grid; place-items: center; height: 36px; padding: 0 10px; border-radius: 8px; background: #fff; }
.pay-chip img { max-height: 22px; width: auto; }
.pay-chip--text { font: 700 .74rem var(--font-body); color: var(--color-bg); letter-spacing: .02em; }
.site-footer__note { padding-block: var(--space-24); border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center; font-size: var(--fs-xs); color: var(--color-muted); }
.site-footer__note p { max-width: 80ch; }
.site-footer__inline { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.site-footer__inline button { font-size: var(--fs-small); color: var(--color-text); background: none; border: 0; padding: 3px 0; cursor: pointer; }
.site-footer__inline button:hover { color: var(--color-brand); }

/* ── back to top ──────────────────────────────────────────────────────── */
.to-top {
  position: fixed; right: var(--space-24); bottom: var(--space-24); z-index: var(--z-header);
  display: grid; place-items: center; width: 46px; height: 46px; border: 1px solid var(--line-2); border-radius: 50%;
  background: var(--surface-2); color: var(--color-text); cursor: pointer; box-shadow: var(--shadow-1);
  transition: transform var(--dur-base) var(--ease), background-color var(--dur-base) var(--ease);
}
.to-top:hover { transform: translateY(-3px); background: var(--surface-3); }
.to-top .icon { width: 20px; height: 20px; transform: rotate(-90deg); }

/* ── responsive ───────────────────────────────────────────────────────── */
@media (max-width: 1200px) {
  .site-footer__top { grid-template-columns: repeat(3, 1fr); }
  .site-footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .rail { width: min(300px, 86vw); transform: translateX(-102%); box-shadow: var(--shadow-2); transition: transform var(--dur-slow) var(--ease), visibility 0s var(--dur-slow); visibility: hidden; }
  .rail.is-open { transform: none; visibility: visible; transition-delay: 0s; }
  .rail__close { display: grid; place-items: center; position: absolute; top: 18px; right: 14px; width: 40px; height: 40px; border-radius: 50%; background: var(--surface-2); border: 0; color: var(--color-text); cursor: pointer; }
  .rail-scrim { position: fixed; inset: 0; z-index: calc(var(--z-rail) - 1); background: var(--color-scrim); opacity: 0; transition: opacity var(--dur-slow) var(--ease); }
  .rail-scrim.is-open { opacity: 1; }
  .app { margin-left: 0; }
  .burger { display: grid; place-items: center; width: 44px; height: 44px; flex: none; border-radius: 50%; background: var(--surface-1); border: 1px solid var(--line); color: var(--color-text); cursor: pointer; }
  .burger .icon { width: 20px; height: 20px; }
  .topbar__logo { display: inline-flex; }
  .topbar__logo .logo__img { height: 26px; }
  .topbar .search-wrap { display: none; }
  .topbar__geo { display: none; }
  .topbar__actions { margin-left: auto; }
}
@media (max-width: 640px) {
  .topbar { gap: 10px; padding-block: 10px; }
  .topbar__actions .btn--ghost { display: none; }
  .site-footer__top { grid-template-columns: 1fr 1fr; }
  .site-footer__note { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 389px) {
  .topbar__logo .logo__img { height: 22px; }
}
/* footer data: 4 → 2 → 1 columns, never a lone last cell */
.site-footer__data { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1200px) { .site-footer__data { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  .site-footer__data { grid-template-columns: 1fr; }
  .site-footer__badges { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .site-footer__badges > * { flex: none; }
}