/* App shell from the approved mockup B «One Account»:
 * side rail (Sports | Casino switch + navigation) · sticky utility bar · live ticker ·
 * page column · footer. On ≤760 the rail becomes a drawer, the bottom tab bar
 * (TZ §21: Home | Sports | Live | Casino | Account) and a floating bet slip appear. */

.app { display: grid; grid-template-columns: var(--rail-w) minmax(0, 1fr); min-height: 100vh; transition: grid-template-columns var(--dur-slow) var(--ease); }
.app.is-collapsed { --rail-w: 72px; }

/* ---------- rail ---------- */
.rail { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 18px; padding: 18px 14px 16px; background: linear-gradient(180deg, var(--surface-1), var(--surface-0)); border-right: 1px solid var(--hair); overflow: hidden auto; scrollbar-width: none; z-index: var(--z-rail); }
.rail::-webkit-scrollbar { display: none; }
.rail-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 36px; }
.wordmark { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; line-height: 0; }
.wordmark picture { display: block; flex: none; }
.wordmark img { display: block; width: auto; }
.wordmark .mk img { height: 32px; }
.wordmark .wm-t img, .wordmark .wm-f img { height: 24px; margin-top: 5px; }
.rail-toggle { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; color: var(--c-text-2); border: 1px solid var(--hair); transition: background-color .2s, color .2s; }
.rail-toggle:hover { background: var(--surface-2); color: var(--c-text); }
.rail-toggle .icon { width: 18px; height: 18px; }
.rail-sw .cap { display: block; margin: 0 4px 8px; font: 500 var(--fs-kicker)/1 var(--ff-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); }
.rail-sw .seg a .icon { width: 17px; height: 17px; }
.rail-nav { display: flex; flex-direction: column; gap: 2px; position: relative; isolation: isolate; }
.nav-thumb { position: absolute; left: 0; right: 0; top: 0; height: 42px; border-radius: 11px; background: var(--surface-2); border: 1px solid var(--hair); transition: transform var(--dur-slow) var(--spring), opacity .2s; z-index: -1; opacity: 0; }
.nav-thumb.is-on { opacity: 1; }
.nav-thumb::before { content: ""; position: absolute; left: -1px; top: 11px; bottom: 11px; width: 3px; border-radius: 0 3px 3px 0; background: var(--c-brand); }
.rail-nav a { position: relative; display: flex; align-items: center; gap: 12px; height: 42px; padding: 0 12px; border-radius: 11px; font: 500 var(--fs-sm)/1 var(--ff-body); color: var(--c-text-2); white-space: nowrap; transition: color .2s; }
.rail-nav a:hover { color: var(--c-text); }
.rail-nav a[aria-current="page"] { color: var(--c-text); }
.rail-nav .icon { width: 20px; height: 20px; flex: none; }
.rail-nav .badge { margin-left: auto; min-width: 24px; height: 20px; padding: 0 6px; display: inline-grid; place-items: center; border-radius: var(--r-pill); background: var(--brand-tint); color: var(--brand-soft); font: 600 .6875rem/1 var(--ff-body); font-variant-numeric: tabular-nums; }
.rail-sep { height: 1px; background: var(--hair); margin: 2px 6px; }
.rail-group { display: block; margin: 6px 12px 4px; font: 500 var(--fs-kicker)/1 var(--ff-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); }
.rail-bottom { margin-top: auto; display: flex; flex-direction: column; gap: 2px; }
.rail-bottom a, .rail-bottom button { display: flex; align-items: center; gap: 12px; height: 40px; padding: 0 12px; border-radius: 11px; font: 500 var(--fs-sm)/1 var(--ff-body); color: var(--c-text-2); white-space: nowrap; transition: background-color .2s, color .2s; text-align: left; width: 100%; }
.rail-bottom a:hover, .rail-bottom button:hover { background: var(--surface-2); color: var(--c-text); }
.rail-bottom .icon { width: 20px; height: 20px; flex: none; }
.rail-bottom .lang-v { margin-left: auto; font: 600 var(--fs-xs)/1 var(--ff-mono); color: var(--text-3); }
.age { display: flex; align-items: center; gap: 10px; margin-top: 8px; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--hair); background: var(--surface-0); font: 500 var(--fs-xs)/1.3 var(--ff-body); color: var(--c-text-2); white-space: nowrap; }
.age .a18 { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; border: 1.5px solid var(--c-text-2); font: 800 .75rem/1 var(--ff-head); color: var(--c-text); flex: none; }
.age .ab { font: 600 var(--fs-xs)/1 var(--ff-mono); color: var(--c-text); }

/* collapsed rail */
.app.is-collapsed .rail { padding-inline: 10px; }
.app.is-collapsed .lbl, .app.is-collapsed .rail-sw .cap, .app.is-collapsed .lang-v, .app.is-collapsed .wordmark .wm-t, .app.is-collapsed .rail-group { display: none; }
.app.is-collapsed .rail-top { flex-direction: column; gap: 12px; }
.app.is-collapsed .rail-sw .seg { flex-direction: column; }
.app.is-collapsed .rail-sw .seg a { min-height: 42px; padding: 0; }
.app.is-collapsed .rail-nav a, .app.is-collapsed .rail-bottom a, .app.is-collapsed .rail-bottom button { justify-content: center; padding: 0; }
.app.is-collapsed .rail-nav .badge { position: absolute; top: 3px; right: 2px; min-width: 18px; height: 16px; font-size: .625rem; padding: 0 4px; }
.app.is-collapsed .age { flex-direction: column; padding: 8px 4px; gap: 6px; }
.app.is-collapsed .age .ab-t { display: none; }

/* ---------- main column ---------- */
.main { min-width: 0; display: flex; flex-direction: column; }
.util { position: sticky; top: 0; z-index: var(--z-header); display: flex; align-items: center; gap: 12px; height: var(--util-h); padding: 0 var(--page-pad); background: color-mix(in oklab, var(--c-bg) 72%, transparent); backdrop-filter: blur(14px) saturate(1.2); -webkit-backdrop-filter: blur(14px) saturate(1.2); border-bottom: 1px solid var(--hair); }
.util-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.util .status { display: inline-flex; align-items: center; gap: 8px; margin-right: 6px; }
.bal-chip { display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 12px; border-radius: 10px; background: var(--surface-1); border: 1px solid var(--hair); font: 600 var(--fs-sm)/1 var(--ff-body); font-variant-numeric: tabular-nums; }
.bal-chip .icon { width: 16px; height: 16px; color: var(--c-brand); }
.acct-btn { display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 10px 0 4px; border-radius: 10px; border: 1px solid var(--hair); transition: background-color .2s; }
.acct-btn:hover { background: var(--surface-2); }
.acct-btn .av { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--brand-tint); color: var(--brand-soft); font: 800 .75rem/1 var(--ff-head); }
.acct-btn span { font: 600 var(--fs-sm)/1 var(--ff-body); }

.page { padding: 20px var(--page-pad) 0; max-width: var(--page-max); width: 100%; margin-inline: auto; flex: 1; }

/* mobile chrome (hidden on desktop) */
.mtop, .tabbar, .fslip { display: none; }

/* ---------- footer: 3 link columns + regulator band (wide) ---------- */
.site-footer { margin-top: var(--sec-gap); border-top: 1px solid var(--hair); background: linear-gradient(180deg, var(--surface-1), var(--surface-0)); }
.site-footer__in { max-width: var(--page-max); margin-inline: auto; padding: 48px var(--page-pad) 28px; }
.ft-top { display: grid; grid-template-columns: minmax(240px, 1.3fr) repeat(3, minmax(0, 1fr)); gap: 32px; }
.ft-brand p { margin-top: 14px; color: var(--c-text-2); font-size: var(--fs-sm); max-width: 320px; }
.ft-col h2 { font: 500 var(--fs-kicker)/1 var(--ff-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); margin-bottom: 14px; }
.ft-col ul { display: grid; gap: 6px; }
.ft-col a { position: relative; display: inline-block; padding: 3px 0; font-size: var(--fs-sm); color: var(--c-text-2); transition: color .2s; }
.ft-col a::after { content: ""; position: absolute; inset: 50% 0 auto 0; translate: 0 -50%; height: 100%; min-height: 24px; }
.ft-col a:hover { color: var(--c-text); }
.ft-reg { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 36px; }
.ft-reg div { padding: 14px 16px; border-radius: var(--r-md); border: 1px solid var(--hair); background: var(--surface-0); font-size: var(--fs-xs); color: var(--c-text-2); }
.ft-reg dt { font: 500 var(--fs-kicker)/1 var(--ff-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--text-3); margin-bottom: 8px; }
.ft-reg dd { margin: 0; color: var(--c-text); font-size: var(--fs-sm); font-weight: 500; }
.ft-pay { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 28px; }
.ft-pay .lg { display: grid; place-items: center; height: 40px; padding: 0 14px; border-radius: 10px; background: #fff; }
.ft-pay .lg img { height: 22px; width: auto; }
.ft-pay .lg--dark { background: var(--surface-2); border: 1px solid var(--hair); }
.ft-rg { display: flex; align-items: center; gap: 16px; margin-top: 28px; padding: 18px 20px; border-radius: var(--r-lg); border: 1px solid var(--hair); background: var(--surface-1); font-size: var(--fs-sm); color: var(--c-text-2); }
.ft-rg .a18 { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; border: 2px solid var(--c-text-2); font: 800 .875rem/1 var(--ff-head); color: var(--c-text); flex: none; }
.ft-rg b { color: var(--c-text); font-weight: 600; }
.ft-rg a { white-space: nowrap; color: var(--brand-soft); text-decoration: underline; text-underline-offset: 3px; }
.ft-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 22px; margin-top: 24px; border-top: 1px solid var(--hair); font-size: var(--fs-xs); color: var(--text-3); }

/* ---------- ≤1180 ---------- */
@media (max-width: 1180px) {
  .ft-top { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ft-brand { grid-column: 1 / -1; }
}

/* ---------- ≤760: rail → drawer, bottom tab bar, floating slip ---------- */
@media (max-width: 760px) {
  :root { --gap: 12px; --page-pad: 16px; --sec-gap: 72px; }
  .app { grid-template-columns: minmax(0, 1fr); }
  .util { display: none; }
  body { padding-bottom: calc(76px + env(safe-area-inset-bottom)); }

  .rail { position: fixed; left: 0; top: 0; bottom: 0; width: min(300px, 86vw); height: auto; z-index: var(--z-modal); transform: translateX(-104%); visibility: hidden; transition: transform var(--dur-slow) var(--ease), visibility 0s var(--dur-slow); box-shadow: var(--sh-2); }
  .rail.is-open { transform: none; visibility: visible; transition: transform var(--dur-slow) var(--ease), visibility 0s; }
  .rail-toggle { display: none; }
  .rail-close { display: grid !important; }
  .rail-scrim { position: fixed; inset: 0; z-index: calc(var(--z-modal) - 1); background: rgb(6 10 14 / .6); backdrop-filter: blur(3px); opacity: 0; pointer-events: none; transition: opacity var(--dur-slow) var(--ease); }
  .rail-scrim.is-on { opacity: 1; pointer-events: auto; }

  .mtop { position: sticky; top: 0; z-index: var(--z-header); display: flex; align-items: center; gap: 8px; height: 58px; padding: 0 12px; background: color-mix(in oklab, var(--c-bg) 78%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--hair); }
  .mtop .wordmark .mk img { height: 28px; }
  .mtop .wordmark .wm-t img { height: 20px; margin-top: 4px; }
  .mtop .seg { margin-left: auto; }
  .mtop .seg a { min-height: 32px; padding: 5px 10px; }
  .mtop .icon-btn { width: 36px; height: 36px; }

  .tabbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: var(--z-dock); display: grid; grid-template-columns: repeat(5, 1fr); padding: 6px 6px calc(6px + env(safe-area-inset-bottom)); background: color-mix(in oklab, var(--surface-0) 88%, transparent); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-top: 1px solid var(--hair); }
  .tabbar a { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; min-height: 52px; border-radius: 12px; font: 600 .6875rem/1 var(--ff-body); color: var(--text-3); transition: color .2s; }
  .tabbar a .icon { width: 22px; height: 22px; }
  .tabbar a[aria-current="page"] { color: var(--c-text); }
  .tabbar a[aria-current="page"]::before { content: ""; position: absolute; top: -6px; width: 24px; height: 3px; border-radius: 0 0 3px 3px; background: var(--c-brand); }
  .tabbar .tb-badge { position: absolute; top: 6px; left: calc(50% + 6px); min-width: 18px; height: 16px; padding: 0 4px; border-radius: 999px; background: var(--c-brand); color: var(--brand-ink); font: 700 .625rem/16px var(--ff-body); text-align: center; }

  .fslip { position: fixed; right: 16px; bottom: calc(80px + env(safe-area-inset-bottom)); z-index: var(--z-dock); display: flex; align-items: center; gap: 10px; height: 48px; padding: 0 16px 0 12px; border-radius: 999px; background: var(--c-brand); color: var(--brand-ink); font: 600 var(--fs-sm)/1 var(--ff-body); box-shadow: 0 12px 28px -10px rgb(0 0 0 / .7); transition: transform var(--dur-slow) var(--spring), opacity .3s; }
  .fslip .n { display: grid; place-items: center; min-width: 24px; height: 24px; border-radius: 50%; background: var(--brand-ink); color: var(--c-brand); font-weight: 700; font-size: .75rem; }
  .fslip.is-hidden { opacity: 0; transform: translateY(20px); pointer-events: none; }
  body.has-slip { padding-bottom: calc(136px + env(safe-area-inset-bottom)); }

  .page { padding: 14px var(--page-pad) 0; }
  .site-footer__in { padding: 36px var(--page-pad) 24px; }
  .ft-top { grid-template-columns: 1fr 1fr; gap: 24px; }
  .ft-reg { grid-template-columns: 1fr 1fr; }
  .ft-rg { flex-direction: column; align-items: flex-start; }
}
@media (min-width: 761px) { .rail-close, .rail-scrim { display: none; } }
@media (max-width: 389px) {
  .mtop .wordmark .wm-t { display: none; }
}