/* App shell — carried over from the approved mockup (b2-kinetic-matchline):
 * rail (no top bar) · main · floating slip card. ≤1279: top bar + bottom sheet;
 * ≤767: bottom tab bar, sheet sits above it (ТЗ §3.3). */

.app { display: grid; grid-template-columns: var(--rail) minmax(0, 1fr) var(--slip); min-height: 100vh; }

/* ── rail ─────────────────────────────────────────────────────────────── */
.rail { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: var(--space-6); padding: 20px 14px; border-right: 1px solid var(--color-border-soft); overflow: auto; scrollbar-width: none; }
.rail::-webkit-scrollbar { display: none; }
.logo { display: flex; align-items: center; gap: 10px; padding: 4px 8px 12px; font: 800 1.25rem/1 var(--font-display); letter-spacing: -.04em; text-decoration: none; color: var(--color-text); }
.logo small { font: 600 var(--fs-2xs)/1 var(--font-mono); color: var(--color-text-3); letter-spacing: 0; }
.logo { align-items: flex-end; gap: 6px; }
.logo__img { display: block; flex: none; }
.logo__img img { display: block; max-width: none; transition: transform var(--dur-base) var(--spring), filter var(--dur-base); }
.logo:hover .logo__img img { transform: translateY(-1px); filter: drop-shadow(0 4px 14px rgb(216 243 92 / .25)); }
.logo small { padding-bottom: 3px; }

.find { display: flex; align-items: center; gap: 10px; width: 100%; height: 42px; padding: 0 12px; margin-bottom: 10px; border-radius: var(--radius-m); border: 1px solid var(--color-border); background: var(--color-surface-1); color: var(--color-text-3); cursor: pointer; transition: border-color var(--dur-base); }
.find:hover { border-color: var(--color-text-3); color: var(--color-text-2); }
.find .icon { width: 18px; height: 18px; }
.find kbd { margin-left: auto; padding: 0 6px; border-radius: 6px; background: var(--color-surface-3); font: 600 var(--fs-2xs)/20px var(--font-mono); }

.rnav { display: grid; gap: 2px; }
.rnav a { position: relative; display: flex; align-items: center; gap: 12px; min-height: 42px; padding: 0 12px; border-radius: var(--radius-m); color: var(--color-text-2); font-weight: 600; text-decoration: none; transition: background var(--dur-base), color var(--dur-base); }
.rnav a:hover { background: var(--color-surface-1); color: var(--color-text); }
.rnav a .icon { width: 18px; height: 18px; transition: transform var(--dur-base) var(--spring); }
.rnav a:hover .icon { transform: translateX(2px); }
.rnav a[aria-current] { background: var(--color-brand-tint); color: var(--color-brand); }
.rnav__n { margin-left: auto; font: 600 var(--fs-xs)/1 var(--font-mono); color: var(--color-text-3); }
.rnav__n--live { display: flex; align-items: center; gap: 6px; color: var(--color-live-text); }
.rail__h { margin: 18px 12px 6px; font: 700 var(--fs-2xs)/1 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-3); }
.rnav--sports a { min-height: 34px; font-weight: 500; font-size: var(--fs-sm); }
.code { display: grid; place-items: center; width: 26px; height: 20px; flex: none; border: 1px solid var(--color-border); border-radius: 6px; font: 700 .625rem/1 var(--font-mono); letter-spacing: .04em; color: var(--color-text-3); transition: background var(--dur-base), color var(--dur-base), border-color var(--dur-base); }
.rnav a[aria-current] .code { background: var(--color-brand); color: var(--color-on-brand); border-color: var(--color-brand); }

.rail__foot { margin-top: auto; padding-top: 16px; display: grid; gap: 10px; }
.rail__row { display: flex; gap: 8px; }
.grow { flex: 1; }
.balance { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 2px 8px; padding: 12px 14px; border-radius: var(--radius-m); background: var(--color-surface-1); border: 1px solid var(--color-border-soft); text-decoration: none; transition: border-color var(--dur-base); }
.balance:hover { border-color: var(--color-border); }
.balance__l { font: 600 var(--fs-2xs)/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--color-text-3); }
.balance__v { grid-row: 2; font: 700 1.25rem/1.2 var(--font-mono); color: var(--color-brand); }
.balance__u { grid-row: 1 / 3; grid-column: 2; display: flex; align-items: center; gap: 6px; font-size: var(--fs-xs); color: var(--color-text-2); }
.balance__u .icon { width: 14px; height: 14px; }
.langs { display: grid; grid-template-columns: repeat(3, 1fr); padding: 3px; border-radius: var(--radius-m); background: var(--color-surface-1); border: 1px solid var(--color-border-soft); }
.langs a, .langs__soon { display: grid; place-items: center; height: 32px; border-radius: 10px; font: 600 var(--fs-xs)/1 var(--font-mono); color: var(--color-text-3); text-decoration: none; }
.langs a[aria-current] { background: var(--color-surface-3); color: var(--color-text); }
.langs__soon { color: var(--color-text-3); cursor: default; }
.age-note { display: flex; align-items: center; gap: 10px; padding: 0 6px; font-size: var(--fs-2xs); line-height: 1.35; color: var(--color-text-3); }
.age-note b { display: grid; place-items: center; width: 30px; height: 30px; flex: none; border-radius: 50%; border: 1.5px solid var(--color-text-2); color: var(--color-text); font: 800 var(--fs-2xs)/1 var(--font-display); }
.age-note a { color: var(--color-text-2); }

/* ── main ─────────────────────────────────────────────────────────────── */
.main { min-width: 0; padding: 16px var(--main-pad) 0; }
.main:focus { outline: none; }
.mtop, .sheet-bar, .tabbar { display: none; }

/* ── footer: 3 columns + data band ────────────────────────────────────── */
.site-foot { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; margin-top: 56px; padding: 28px 0 32px; border-top: 1px solid var(--color-border-soft); font-size: var(--fs-sm); color: var(--color-text-2); }
.site-foot .logo { padding: 0 0 12px; }
.site-foot__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 24px; }
.site-foot__brand p { max-width: 34ch; }
.site-foot h2, .site-foot h3 { margin-bottom: 12px; font: 700 var(--fs-2xs)/1.2 var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-3); }
.site-foot ul { display: grid; gap: 4px; }
.site-foot__col a, .linklike { position: relative; display: inline-block; padding: 4px 0; color: var(--color-text-2); text-decoration: none; transition: color var(--dur-base); }
.site-foot__col a:hover, .linklike:hover { color: var(--color-text); }
.linklike { border: 0; background: none; font: inherit; cursor: pointer; text-align: left; }
.site-foot__band { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; padding: 20px; border-radius: var(--radius-l); background: var(--color-surface-1); border: 1px solid var(--color-border-soft); font-size: var(--fs-xs); }
.site-foot__band p { line-height: 1.55; }
.site-foot__band a { color: var(--color-text); }
.site-foot__age { display: flex; gap: 12px; align-items: flex-start; }
.site-foot__age b { display: grid; place-items: center; width: 40px; height: 40px; flex: none; border-radius: 50%; border: 2px solid var(--color-text); color: var(--color-text); font: 800 .8125rem/1 var(--font-display); }
.pay-logos { display: grid; grid-template-columns: repeat(5, 38px); gap: 6px; }
.site-foot__help { display: grid; gap: 4px; }
.site-foot__help a { position: relative; display: inline-block; padding: 2px 0; }
.pay-logos img { width: 38px; height: 26px; padding: 4px 5px; object-fit: contain; border-radius: 6px; background: var(--color-surface-3); }
.site-foot__base { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 16px; border-top: 1px solid var(--color-border-soft); font-size: var(--fs-xs); color: var(--color-text-3); }

/* ── slip column: floating card ───────────────────────────────────────── */
.slip-col { position: sticky; top: 0; height: 100vh; padding: 16px 16px 16px 0; }
.slip { height: 100%; display: flex; flex-direction: column; border-radius: var(--radius-l); background: var(--color-surface-1); border: 1px solid var(--color-border-soft); box-shadow: var(--shadow-2); overflow: hidden; }
.slip__h { padding: 18px 18px 14px; border-bottom: 1px solid var(--color-border-soft); }
.slip__top { display: flex; align-items: center; gap: 10px; }
.slip__top h2 { font: 800 1.125rem/1.2 var(--font-display); letter-spacing: var(--tracking-tight); }
.slip__fmt { margin-left: auto; }
.slip__fmt select { height: 30px; padding: 0 26px 0 10px; border-radius: 8px; border: 1px solid var(--color-border); background: var(--color-bg) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23A3B5AE' stroke-width='2'><path d='m6 9 6 6 6-6'/></svg>") right 6px center/14px no-repeat; color: var(--color-text-2); font: 600 var(--fs-2xs)/1 var(--font-mono); appearance: none; cursor: pointer; }
.slip__body { flex: 1; overflow: auto; padding: 12px; }
.slip__f { padding: 14px 18px 18px; border-top: 1px solid var(--color-border-soft); display: grid; gap: 12px; background: linear-gradient(var(--color-surface-1), var(--color-surface-2)); }
.x-close { display: none; place-items: center; width: 40px; height: 40px; border: 0; border-radius: var(--radius-s); background: var(--color-surface-2); color: var(--color-text); cursor: pointer; }
.x-close .icon { width: 18px; height: 18px; }
.sheet-scrim { position: fixed; inset: 0; z-index: calc(var(--z-sheet) - 1); background: var(--scrim); opacity: 0; transition: opacity var(--dur-slow); }
.sheet-scrim.is-on { opacity: 1; }

/* ── tablet ≤1279: rail → top bar, slip → bottom sheet ────────────────── */
@media (max-width: 1279px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .rail { display: none; }
  .mtop { display: flex; position: sticky; top: 0; z-index: var(--z-sticky); align-items: center; gap: 8px; height: 60px; padding: 0 16px; padding-top: env(safe-area-inset-top); background: color-mix(in oklab, var(--color-bg) 85%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--color-border-soft); }
  .mtop .logo { padding: 0; font-size: 1.125rem; }
  .mtop .ib { margin-left: auto; }
  .mtop__bal { display: flex; align-items: center; height: 38px; padding: 0 12px; border-radius: var(--radius-pill); background: var(--color-surface-1); border: 1px solid var(--color-border); font: 700 var(--fs-sm)/1 var(--font-mono); color: var(--color-brand); text-decoration: none; }
  .slip-col { position: fixed; inset: auto 0 0 0; height: auto; z-index: var(--z-sheet); padding: 0; transform: translateY(105%); transition: transform var(--dur-slow) var(--ease); visibility: hidden; }
  .slip-col.is-open { transform: none; visibility: visible; }
  .slip-col:not(.is-shown) { display: none; }
  .slip { max-height: min(84vh, 720px); border-radius: 22px 22px 0 0; padding-bottom: env(safe-area-inset-bottom); }
  .slip__h::before { content: ""; display: block; width: 40px; height: 4px; margin: -8px auto 10px; border-radius: 9px; background: var(--color-border); }
  .x-close { display: grid; }
  .slip__fmt { margin-left: auto; }
  .sheet-bar { display: flex; position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom)); z-index: var(--z-sheetbar); align-items: center; gap: 12px; height: 56px; padding: 0 10px 0 16px; border-radius: var(--radius-l); border: 1px solid var(--color-border); background: var(--color-surface-2); color: var(--color-text); font: 800 var(--fs-body)/1 var(--font-display); cursor: pointer; box-shadow: var(--shadow-2); transition: transform var(--dur-base) var(--spring); }
  .sheet-bar:active { transform: scale(.98); }
  .sheet-bar > span:last-child { margin-left: auto; padding: 0 6px; font: 700 1rem/1 var(--font-mono); color: var(--color-brand); }
  .main { padding: 16px 20px 0; }
  .site-foot { margin-bottom: 92px; }
  .site-foot__top { grid-template-columns: 1fr 1fr 1fr; }
  .site-foot__brand { grid-column: 1 / -1; }
  .site-foot__band { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ── mobile ≤767 ──────────────────────────────────────────────────────── */
@media (max-width: 767px) {
  :root { --main-pad: 16px; }
  .main { padding: 12px 16px 0; }
  .mtop__login { display: none; }
  .tabbar { display: grid; grid-template-columns: repeat(5, 1fr); position: fixed; left: 0; right: 0; bottom: 0; z-index: var(--z-tabbar); height: calc(62px + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom); background: color-mix(in oklab, var(--color-surface-1) 94%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-top: 1px solid var(--color-border-soft); }
  .tabbar a { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; font-size: var(--fs-2xs); font-weight: 600; color: var(--color-text-2); text-decoration: none; }
  .tabbar a .icon { width: 20px; height: 20px; }
  .tabbar a[aria-current] { color: var(--color-brand); }
  .sheet-bar { bottom: calc(72px + env(safe-area-inset-bottom)); }
  .site-foot { margin-bottom: 150px; }
  .site-foot__top { grid-template-columns: 1fr 1fr 1fr; gap: 20px 12px; }
  .site-foot__band { padding: 16px; grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 389px) {
  .mtop .btn--sm { padding: 0 10px; }
  .mtop .logo span { font-size: 1rem; }
  .mtop .btn { flex: none; }
  .mtop .logo__img img { height: 22px !important; }
}

/* short desktop screens: the account buttons stay above the fold */
@media (min-width: 1280px) and (max-height: 960px) {
  .rail { gap: 4px; padding-block: 16px 14px; }
  .rail .age-note { display: none; }
  .rnav a { min-height: 38px; }
  .rnav--sports a { min-height: 31px; }
  .rail__h { margin-top: 12px; }
  .rail__foot { padding-top: 10px; gap: 8px; }
}