/* RelayVano — warm gray ground, rose signal, deep navy ink. Every class carries the rv- prefix. */
:root {
  --rv-ground: #f2eeea;
  --rv-ground-2: #e8e1da;
  --rv-card: #fbf9f7;
  --rv-ink: #13203f;
  --rv-ink-soft: #3b4766;
  --rv-muted: #6d6863;
  --rv-line: #dcd3ca;
  --rv-rose: #e11d48;
  --rv-rose-deep: #be123c;
  --rv-rose-wash: #fde3e9;
  --rv-navy: #13203f;
  --rv-navy-2: #1d2c52;
  --rv-board-ink: #f7efe6;
  --rv-good: #0f7b5f;
  --rv-warn: #b4520a;
  --rv-display: "Sora", "Noto Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rv-text: "Noto Sans", "Noto Sans Devanagari", "PingFang SC", "Microsoft YaHei", sans-serif;
  --rv-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --rv-radius: 14px;
  --rv-shadow: 0 1px 0 rgba(19, 32, 63, .04), 0 10px 30px -18px rgba(19, 32, 63, .35);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-rv-sky="day"]) {
    --rv-ground: #0b1322; --rv-ground-2: #0f1a2f; --rv-card: #121e35; --rv-ink: #efe9e3; --rv-ink-soft: #c9c2bc;
    --rv-muted: #8f99ad; --rv-line: #243150; --rv-rose: #fb4f74; --rv-rose-deep: #ff7d98; --rv-rose-wash: #3b1427;
    --rv-navy: #070d1a; --rv-navy-2: #0e1830; --rv-good: #3fc49b; --rv-warn: #f2a05a;
    --rv-shadow: 0 1px 0 rgba(0, 0, 0, .3), 0 14px 34px -20px rgba(0, 0, 0, .8); color-scheme: dark;
  }
}
:root[data-rv-sky="night"] {
  --rv-ground: #0b1322; --rv-ground-2: #0f1a2f; --rv-card: #121e35; --rv-ink: #efe9e3; --rv-ink-soft: #c9c2bc;
  --rv-muted: #8f99ad; --rv-line: #243150; --rv-rose: #fb4f74; --rv-rose-deep: #ff7d98; --rv-rose-wash: #3b1427;
  --rv-navy: #070d1a; --rv-navy-2: #0e1830; --rv-good: #3fc49b; --rv-warn: #f2a05a;
  --rv-shadow: 0 1px 0 rgba(0, 0, 0, .3), 0 14px 34px -20px rgba(0, 0, 0, .8); color-scheme: dark;
}

body.rv-body, body.rv-body *, body.rv-body *::before, body.rv-body *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body.rv-body {
  margin: 0; background: var(--rv-ground); color: var(--rv-ink); font: 16px/1.62 var(--rv-text);
  background-image: radial-gradient(circle at 1px 1px, rgba(19, 32, 63, .06) 1px, transparent 0);
  background-size: 22px 22px;
}
body.rv-hi { --rv-text: "Noto Sans Devanagari", "Noto Sans", sans-serif; line-height: 1.75; }
a { color: var(--rv-rose-deep); text-underline-offset: 3px; }
.rv-body a:hover { color: var(--rv-rose); }
code, pre { font-family: var(--rv-mono); font-size: .9em; }
img { max-width: 100%; }

/* ---------- header ---------- */
.rv-top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--rv-ground) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--rv-line); }
.rv-top-in { max-width: 1180px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.rv-brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; color: var(--rv-ink);
  font: 700 1.18rem/1 var(--rv-display); letter-spacing: -.02em; }
.rv-routes { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.rv-routes a { color: var(--rv-ink-soft); text-decoration: none; padding: 6px 10px; border-radius: 999px; font-weight: 500; }
.rv-routes a:hover { background: var(--rv-ground-2); color: var(--rv-ink); }
.rv-crew { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.rv-badge-tower { font-size: .72rem; border: 1px solid var(--rv-rose); color: var(--rv-rose); padding: 1px 7px; border-radius: 6px; }
.rv-inline-form { display: inline-flex; gap: 6px; align-items: center; margin: 2px 4px 2px 0; flex-wrap: wrap; }
.rv-quiet { background: none; border: 0; color: var(--rv-muted); font: inherit; cursor: pointer; padding: 4px 2px; }
.rv-quiet:hover { color: var(--rv-rose); }
.rv-sky { border: 1px solid var(--rv-line); background: var(--rv-card); color: var(--rv-ink); width: 34px; height: 34px;
  border-radius: 50%; cursor: pointer; font-size: 1rem; }

/* ---------- main frame ---------- */
.rv-main { max-width: 1180px; margin: 0 auto; padding: 26px 16px 70px; overflow-wrap: anywhere; }
.rv-h1 { font-family: var(--rv-display); font-weight: 700; font-size: clamp(2rem, 4.4vw, 3.3rem); line-height: 1.08; letter-spacing: -.035em; margin: .2em 0 .35em; }
.rv-h1-sm { font-size: clamp(1.6rem, 3.1vw, 2.2rem); }
.rv-h2 { font: 600 1.42rem/1.25 var(--rv-display); letter-spacing: -.02em; margin: 0 0 .6em; }
.rv-lede { font-size: 1.12rem; color: var(--rv-ink-soft); max-width: 62ch; }
.rv-sub { color: var(--rv-muted); margin-top: -.2em; }
.rv-kicker { display: inline-flex; align-items: center; gap: 8px; font: 600 .78rem/1 var(--rv-display); text-transform: uppercase;
  letter-spacing: .12em; color: var(--rv-rose-deep); margin: 0; }
.rv-band { margin: 56px 0 0; }
.rv-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.rv-page-head { margin: 10px 0 26px; }
.rv-more { margin-top: 12px; }
.rv-empty { color: var(--rv-muted); font-style: italic; }
.rv-hint { color: var(--rv-muted); font-size: .9rem; }
.rv-caution { border-left: 3px solid var(--rv-rose); background: var(--rv-rose-wash); padding: 10px 14px; border-radius: 0 10px 10px 0; }
.rv-good { color: var(--rv-good); }
.rv-warn { color: var(--rv-warn); }

/* ---------- buttons ---------- */
.rv-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; border-radius: 12px;
  font: 600 .98rem/1.1 var(--rv-display); text-decoration: none; cursor: pointer; border: 1px solid transparent; }
.rv-btn-rose { background: var(--rv-rose); color: #fff; }
.rv-btn-rose:hover { background: var(--rv-rose-deep); color: #fff; }
.rv-btn-ghost { background: transparent; color: var(--rv-ink); border-color: var(--rv-ink); }
.rv-btn-ghost:hover { background: var(--rv-ink); color: var(--rv-ground); }
.rv-btn[disabled] { opacity: .45; cursor: not-allowed; }
.rv-btn-line { background: none; border: 1px solid var(--rv-line); color: var(--rv-ink); border-radius: 8px; padding: 5px 10px;
  font: 500 .86rem/1 var(--rv-text); cursor: pointer; }
.rv-btn-line:hover { border-color: var(--rv-rose); color: var(--rv-rose); }
.rv-copy { background: var(--rv-ground-2); border: 0; border-radius: 6px; padding: 3px 8px; font-size: .78rem; cursor: pointer; color: var(--rv-ink); }
.rv-copy.rv-copied { background: var(--rv-good); color: #fff; }

/* ---------- greeting route map (hero) ---------- */
.rv-atlas { display: grid; grid-template-columns: 1fr; gap: 0; position: relative; margin-top: 6px; }
.rv-atlas-map { background: var(--rv-card); border: 1px solid var(--rv-line); border-radius: 26px; padding: 18px 18px 8px;
  box-shadow: var(--rv-shadow); background-image: linear-gradient(color-mix(in srgb, var(--rv-line) 45%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--rv-line) 45%, transparent) 1px, transparent 1px);
  background-size: 48px 48px; background-position: -1px -1px; }
.rv-atlas-svg { width: 100%; height: auto; display: block; overflow: visible; }
.rv-atlas-hint { margin: 2px 6px 6px; font-size: .84rem; color: var(--rv-muted); text-align: right; }
.rv-atlas-copy { max-width: 780px; margin: -64px 0 0 28px; position: relative; background: var(--rv-ground); border: 1px solid var(--rv-line);
  border-left: 6px solid var(--rv-rose); border-radius: 18px; padding: 18px 24px 8px; box-shadow: var(--rv-shadow); }
.rv-atlas-copy .rv-h1 { margin-top: .1em; }
.rv-arc { fill: none; stroke-width: 2.2; stroke-dasharray: 7 7; stroke-linecap: round; animation: rv-dash 16s linear infinite; }
.rv-arc-0 { stroke: var(--rv-rose); }
.rv-arc-1 { stroke: var(--rv-ink-soft); }
.rv-arc-2 { stroke: var(--rv-rose-deep); opacity: .7; }
@keyframes rv-dash { to { stroke-dashoffset: -280; } }
.rv-hub-ring { fill: none; stroke: var(--rv-rose); stroke-width: 2; stroke-dasharray: 3 5; }
.rv-hub-core { fill: var(--rv-navy); }
.rv-hub-v { fill: none; stroke: #f7efe6; stroke-width: 6; stroke-linecap: round; stroke-linejoin: round; }
.rv-hub-name { font: 700 17px var(--rv-display); fill: var(--rv-ink); letter-spacing: -.01em; text-anchor: middle; }
.rv-greet rect { fill: var(--rv-card); stroke: var(--rv-ink); stroke-width: 1.5; transition: fill .2s, stroke .2s; }
.rv-greet-word { font: 700 25px var(--rv-display); fill: var(--rv-ink); text-anchor: middle; }
.rv-greet-lang { font: 500 12px var(--rv-text); fill: var(--rv-muted); letter-spacing: .04em; text-anchor: middle; }
.rv-greet:hover rect, .rv-greet:focus rect { fill: var(--rv-rose-wash); stroke: var(--rv-rose); }
.rv-stop-here rect { fill: var(--rv-rose); stroke: var(--rv-rose); }
.rv-stop-here .rv-greet-word, .rv-stop-here .rv-greet-lang { fill: #fff; }

/* ---------- home bands ---------- */

/* ---------- departures board ---------- */
.rv-board-wrap { overflow-x: auto; border-radius: var(--rv-radius); }
.rv-board { width: 100%; border-collapse: collapse; background: var(--rv-navy); color: var(--rv-board-ink); font-variant-numeric: tabular-nums; }
.rv-board th { text-align: left; font: 600 .74rem/1 var(--rv-display); letter-spacing: .12em; text-transform: uppercase; color: #ffc0cf;
  padding: 13px 14px; background: var(--rv-navy-2); }
.rv-board td { padding: 11px 14px; border-top: 1px solid #22305a; vertical-align: top; }
.rv-board tbody tr:hover { background: #1a2850; }
.rv-mname { display: block; font-weight: 600; }
.rv-mid { font-size: .8rem; color: #9fb0da; margin-right: 6px; }
.rv-num { text-align: right; white-space: nowrap; font-family: var(--rv-mono); font-size: .9rem; }
.rv-board .rv-copy { background: #26365f; color: #dfe6fa; }

/* ---------- docs ---------- */
.rv-basebox { display: inline-flex; flex-wrap: wrap; gap: 10px; align-items: center; background: var(--rv-card); border: 1px solid var(--rv-line);
  border-radius: 12px; padding: 10px 14px; }
.rv-basebox code { color: var(--rv-rose-deep); font-weight: 600; }
.rv-toc { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.rv-toc a { border: 1px solid var(--rv-line); border-radius: 999px; padding: 5px 12px; text-decoration: none; color: var(--rv-ink); font-size: .9rem; }
.rv-doc { background: var(--rv-card); border: 1px solid var(--rv-line); border-radius: 18px; padding: 24px; margin-top: 18px; }
.rv-code { position: relative; margin: 12px 0; }
.rv-code pre { margin: 0; background: var(--rv-navy); color: #f3ead9; padding: 30px 16px 16px; border-radius: 12px; overflow-x: auto; line-height: 1.6; }
.rv-code-label { position: absolute; top: 8px; left: 14px; font: 600 .7rem/1 var(--rv-display); letter-spacing: .1em; text-transform: uppercase; color: #ffb3c4; }
.rv-code .rv-copy { position: absolute; top: 6px; right: 8px; background: #26365f; color: #dfe6fa; }
.rv-idlist { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; }
.rv-idlist code { background: var(--rv-ground-2); padding: 3px 9px; border-radius: 6px; }
.rv-points { padding-left: 20px; }
.rv-points li { margin: 4px 0; }

/* ---------- postcards ---------- */
.rv-article { max-width: 760px; margin: 0 auto; }
.rv-prose { font-size: 1.05rem; }
.rv-prose h2, .rv-prose h3 { font-family: var(--rv-display); letter-spacing: -.01em; margin-top: 1.6em; }
.rv-prose blockquote { border-left: 3px solid var(--rv-rose); margin: 1em 0; padding: 4px 16px; color: var(--rv-ink-soft); }
.rv-related { padding-left: 18px; }
.rv-cta-box { margin-top: 40px; background: var(--rv-rose-wash); border: 1px dashed var(--rv-rose); border-radius: 16px; padding: 22px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
.rv-cta-box p { margin: 0; font: 600 1.06rem/1.4 var(--rv-display); }
.rv-back a { text-decoration: none; }

/* ---------- forms ---------- */
.rv-card { background: var(--rv-card); border: 1px solid var(--rv-line); border-radius: 18px; padding: 22px; margin-top: 18px; box-shadow: var(--rv-shadow); }
.rv-form { display: grid; gap: 14px; }
.rv-form-row { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; }
.rv-form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; align-items: end; }
.rv-field { display: grid; gap: 5px; font-size: .9rem; }
.rv-field > span { font-weight: 600; color: var(--rv-ink-soft); }
.rv-field small { color: var(--rv-muted); }
.rv-field input, .rv-field select, .rv-field textarea, .rv-inline-form input {
  font: inherit; color: var(--rv-ink); background: var(--rv-ground); border: 1px solid var(--rv-line); border-radius: 10px; padding: 10px 12px; width: 100%; }
.rv-inline-form input { width: auto; padding: 6px 9px; font-size: .86rem; }
.rv-field input:focus, .rv-field select:focus, .rv-field textarea:focus { outline: 2px solid var(--rv-rose); outline-offset: 1px; border-color: transparent; }
fieldset.rv-card { border: 1px solid var(--rv-line); }
fieldset.rv-card legend { font: 600 .95rem var(--rv-display); padding: 0 6px; }
.rv-trap { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.rv-flash { padding: 11px 14px; border-radius: 12px; margin: 0 0 12px; font-weight: 500; }
.rv-flash-ok { background: color-mix(in srgb, var(--rv-good) 14%, transparent); border: 1px solid var(--rv-good); }
.rv-flash-bad { background: var(--rv-rose-wash); border: 1px solid var(--rv-rose); }
.rv-flash a { color: inherit; }
.rv-gift { font: 600 1.05rem var(--rv-display); color: var(--rv-rose-deep); }
.rv-invited { background: var(--rv-rose-wash); padding: 8px 12px; border-radius: 10px; }
.rv-pow-state { font-size: .85rem; color: var(--rv-muted); margin: 0; }
.rv-guest { text-align: left; }
.rv-big { font: 700 1.5rem/1.2 var(--rv-display); margin: 0 0 6px; }
.rv-tags { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 0; }
.rv-tags li { font-size: .8rem; border: 1px dashed var(--rv-ink-soft); border-radius: 6px; padding: 3px 9px; }

/* ---------- lounge ---------- */
.rv-lounge { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 26px; align-items: start; }
.rv-lounge-main { min-width: 0; }
.rv-pip { background: var(--rv-rose); color: #fff; border-radius: 999px; font-size: .72rem; padding: 0 7px; line-height: 1.6; }
.rv-lounge-head { margin-bottom: 8px; }
.rv-tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin-top: 10px; }
.rv-tile { background: var(--rv-card); border: 1px solid var(--rv-line); border-radius: 14px; padding: 14px 16px; }
.rv-tile span { display: block; font-size: .82rem; color: var(--rv-muted); }
.rv-tile b { font: 700 1.45rem/1.3 var(--rv-display); letter-spacing: -.02em; }
.rv-tile small { display: block; color: var(--rv-muted); font-size: .78rem; }
.rv-tile-warn b { color: var(--rv-rose); }
.rv-grid { width: 100%; border-collapse: collapse; font-size: .9rem; }
.rv-grid th { text-align: left; font: 600 .76rem/1.2 var(--rv-display); text-transform: uppercase; letter-spacing: .06em; color: var(--rv-muted);
  padding: 10px; border-bottom: 2px solid var(--rv-line); }
.rv-grid td { padding: 10px; border-bottom: 1px solid var(--rv-line); vertical-align: top; }
.rv-grid small { color: var(--rv-muted); display: block; }
.rv-dim-row { opacity: .55; }
.rv-up { color: var(--rv-good); }
.rv-reveal summary { cursor: pointer; list-style: none; }
.rv-reveal summary::-webkit-details-marker { display: none; }
.rv-secret { display: block; word-break: break-all; margin: 6px 0; background: var(--rv-ground-2); padding: 6px 8px; border-radius: 6px; }
.rv-modlist { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 8px; }
.rv-modlist li { border: 1px solid var(--rv-line); border-radius: 10px; padding: 10px 12px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.rv-modlist .rv-mname { width: 100%; }
.rv-modlist .rv-mid { color: var(--rv-ink-soft); }
.rv-fam { font-size: .78rem; color: var(--rv-muted); }
.rv-modlist .rv-num { margin-left: auto; }
.rv-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; }
.rv-split > .rv-card { margin-top: 18px; }
.rv-facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin: 0; }
.rv-facts dt { font-size: .78rem; color: var(--rv-muted); }
.rv-facts dd { margin: 0; font: 600 1.06rem/1.35 var(--rv-display); word-break: break-word; }
.rv-linkbox { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.rv-linkbox code { background: var(--rv-ground-2); padding: 6px 10px; border-radius: 8px; word-break: break-all; }
.rv-crewlist { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.rv-crewlist li { display: flex; justify-content: space-between; border-bottom: 1px dashed var(--rv-line); padding: 6px 0; }
.rv-letters { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.rv-letter { border: 1px solid var(--rv-line); border-radius: 12px; padding: 12px 14px; }
.rv-letter time { font-size: .8rem; color: var(--rv-muted); }
.rv-letter-body { white-space: pre-wrap; margin: 6px 0; }
.rv-reply { background: var(--rv-ground-2); border-radius: 10px; padding: 10px 12px; }
.rv-reply-head { font-size: .8rem; color: var(--rv-rose-deep); margin: 0 0 4px; font-weight: 600; }
.rv-waiting { color: var(--rv-muted); font-style: italic; margin: 0; }
.rv-passport { background: linear-gradient(135deg, var(--rv-navy), var(--rv-navy-2)); color: var(--rv-board-ink); border: 0; }
.rv-passport dt { color: #9fb0da; }
.rv-passport .rv-btn-ghost { color: var(--rv-board-ink); border-color: var(--rv-board-ink); }
.rv-passport-stamp { font: 700 .76rem/1 var(--rv-display); letter-spacing: .2em; text-transform: uppercase; color: #ffb3c4; margin: 0 0 16px; }
.rv-pre { white-space: pre-wrap; word-break: break-word; background: var(--rv-ground-2); padding: 10px; border-radius: 8px; margin: 0; }

/* ---------- tower ---------- */
.rv-tower-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.rv-tower-tabs a { text-decoration: none; color: var(--rv-ink); border: 1px solid var(--rv-line); border-radius: 8px; padding: 6px 11px; font-size: .9rem; background: var(--rv-card); }
.rv-tower-tabs a[aria-current] { background: var(--rv-rose); border-color: var(--rv-rose); color: #fff; }
.rv-preset-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }

/* ---------- footer ---------- */

/* ---------- header menus (BRIEF 7.11: account icon dropdown + big language menu) ---------- */
.rv-gates { position: relative; }
.rv-gates summary { list-style: none; cursor: pointer; display: inline-flex; gap: 8px; align-items: center; padding: 8px 14px;
  border: 1.5px solid var(--rv-ink); border-radius: 12px; font: 600 1rem/1 var(--rv-display); }
.rv-gates summary::-webkit-details-marker { display: none; }
.rv-gates-ico { color: var(--rv-rose); font-size: 1.1rem; }
.rv-gates-list { position: absolute; right: 0; top: calc(100% + 8px); background: var(--rv-card); border: 1px solid var(--rv-line);
  border-radius: 16px; box-shadow: var(--rv-shadow); padding: 10px; width: min(92vw, 420px); display: grid;
  grid-template-columns: repeat(2, 1fr); gap: 6px; z-index: 30; }
.rv-gates-list a { padding: 10px 12px; border-radius: 12px; text-decoration: none; color: var(--rv-ink); display: grid; gap: 2px; }
.rv-gates-list a b { font: 600 1.15rem/1.2 var(--rv-display); }
.rv-gates-list a small { color: var(--rv-muted); }
.rv-gates-list a:hover, .rv-gate-here { background: var(--rv-rose-wash); }
.rv-acct { position: relative; }
.rv-acct summary { list-style: none; cursor: pointer; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  border: 1.5px solid var(--rv-line); background: var(--rv-card); color: var(--rv-ink); }
.rv-acct summary::-webkit-details-marker { display: none; }
.rv-acct-in summary { border-color: var(--rv-rose); color: var(--rv-rose-deep); }
.rv-acct-list { position: absolute; right: 0; top: calc(100% + 8px); min-width: 200px; background: var(--rv-card); border: 1px solid var(--rv-line);
  border-radius: 14px; box-shadow: var(--rv-shadow); padding: 8px; display: grid; gap: 2px; z-index: 30; }
.rv-acct-list a, .rv-acct-list .rv-quiet { padding: 9px 12px; border-radius: 10px; text-decoration: none; color: var(--rv-ink); text-align: left; width: 100%; }
.rv-acct-list a:hover, .rv-acct-list .rv-quiet:hover { background: var(--rv-ground-2); }
.rv-acct-new { background: var(--rv-rose); color: #fff !important; }
.rv-acct-who { margin: 4px 12px 8px; font-size: .86rem; color: var(--rv-muted); }
.rv-badge-tower { color: var(--rv-rose); }

/* ---------- home blocks ---------- */
.rv-textlink { font-weight: 600; text-decoration: none; border-bottom: 2px solid var(--rv-rose); align-self: center; }
.rv-region-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 6px 0 10px; }
.rv-region { background: var(--rv-card); border: 1px solid var(--rv-line); border-radius: 18px; padding: 20px 22px; border-top: 5px solid var(--rv-navy); }
.rv-region:last-child { border-top-color: var(--rv-rose); }
.rv-region h3 { font: 600 1.15rem/1.3 var(--rv-display); margin: 6px 0; }
.rv-region-langs { margin: 0; font-size: .86rem; color: var(--rv-muted); letter-spacing: .02em; }
.rv-region-gift { font-weight: 600; color: var(--rv-rose-deep); margin-bottom: 0; }
.rv-pairs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.rv-pair { background: var(--rv-navy); color: var(--rv-board-ink); border-radius: 18px; padding: 20px; text-align: center; }
.rv-pair h3 { font: 600 1.05rem/1.3 var(--rv-display); margin: 0 0 12px; }
.rv-pair h3 code { display: block; font-size: .78rem; color: #9fb0da; margin-top: 4px; }
.rv-pair-off { margin: 0; color: #c8d2ef; }
.rv-pair-na { margin: 0; color: #9fb0da; font-style: italic; }
.rv-pair-arrow { margin: 4px 0; color: #ff9db3; font-size: 1.3rem; }
.rv-pair-here { margin: 0; font: 700 1.25rem/1.3 var(--rv-display); color: #fff; }
.rv-referral { background: var(--rv-rose-wash); border: 1px dashed var(--rv-rose); border-radius: 22px; padding: 26px; }
.rv-referral .rv-h2 { margin-bottom: .3em; }

/* ---------- docs tabs (pure CSS) ---------- */
.rv-tab-radio { position: absolute; opacity: 0; pointer-events: none; }
.rv-tab-labels { display: flex; flex-wrap: wrap; gap: 6px; border-bottom: 2px solid var(--rv-line); margin-bottom: 14px; }
.rv-tab-label { cursor: pointer; padding: 9px 16px; border-radius: 10px 10px 0 0; font: 600 .95rem/1 var(--rv-display); color: var(--rv-ink-soft); margin-bottom: -2px;
  border: 2px solid transparent; }
.rv-tab-panel { display: none; }
#rv-tab-py:checked ~ .rv-tab-labels .rv-tab-label-py, #rv-tab-node:checked ~ .rv-tab-labels .rv-tab-label-node,
#rv-tab-go:checked ~ .rv-tab-labels .rv-tab-label-go, #rv-tab-curl:checked ~ .rv-tab-labels .rv-tab-label-curl {
  border-color: var(--rv-line) var(--rv-line) var(--rv-card); background: var(--rv-card); color: var(--rv-rose-deep); }
#rv-tab-py:checked ~ .rv-tab-panels .rv-tab-panel-py, #rv-tab-node:checked ~ .rv-tab-panels .rv-tab-panel-node,
#rv-tab-go:checked ~ .rv-tab-panels .rv-tab-panel-go, #rv-tab-curl:checked ~ .rv-tab-panels .rv-tab-panel-curl { display: block; }
.rv-tab-radio:focus-visible + .rv-tab-radio, .rv-tab-label:hover { color: var(--rv-rose); }
.rv-install { display: inline-block; background: var(--rv-ground-2); padding: 4px 10px; border-radius: 8px; }
.rv-h3 { font: 600 1.08rem/1.3 var(--rv-display); margin: 22px 0 6px; }
.rv-rule-list { padding-left: 22px; }
.rv-rule-list li { margin: 8px 0; }

/* ---------- guides (blog) grid with a language filter ---------- */
.rv-langbar, .rv-stackbar { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; }
.rv-langbar a, .rv-stackbar a { text-decoration: none; color: var(--rv-ink); border: 1px solid var(--rv-line); border-radius: 999px; padding: 7px 14px;
  background: var(--rv-card); }
.rv-langbar a { font: 600 .98rem/1.2 var(--rv-display); }
.rv-stackbar a { font-size: .86rem; }
.rv-langbar a[aria-current], .rv-stackbar a[aria-current] { background: var(--rv-ink); color: var(--rv-ground); }
.rv-langbar span, .rv-stackbar span { color: var(--rv-muted); margin-left: 4px; font-size: .78rem; }
.rv-postcards { list-style: none; padding: 0; margin: 0 0 18px; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.rv-postcard { background: var(--rv-card); border: 1px solid var(--rv-line); border-radius: 16px; padding: 16px 18px; display: flex; flex-direction: column; gap: 8px; }
.rv-postcard-lang { margin: 0; align-self: flex-start; font: 600 .74rem/1 var(--rv-display); background: var(--rv-navy); color: #fff; border-radius: 6px; padding: 5px 8px; }
.rv-postcard h3 { font: 600 1.04rem/1.35 var(--rv-display); margin: 0; }
.rv-postcard h3 a { color: var(--rv-ink); text-decoration: none; }
.rv-postcard p { margin: 0; color: var(--rv-ink-soft); font-size: .9rem; }
.rv-postcard-meta { display: flex; gap: 10px; flex-wrap: wrap; font-size: .78rem; color: var(--rv-muted); margin-top: auto !important; }

/* ---------- log in / sign up on one page ---------- */
.rv-auth { max-width: 620px; margin: 0 auto; padding-top: 6px; }
.rv-auth-box { background: var(--rv-card); border: 1px solid var(--rv-line); border-radius: 22px; box-shadow: var(--rv-shadow); padding: 0 24px 24px; }
.rv-auth-tabs { display: grid; grid-template-columns: 1fr 1fr; margin: 0 -24px 18px; border-bottom: 1px solid var(--rv-line); }
.rv-auth-tabs label { cursor: pointer; text-align: center; padding: 16px; font: 600 1.05rem/1 var(--rv-display); color: var(--rv-muted); border-bottom: 3px solid transparent; }
#rv-auth-in:checked ~ .rv-auth-tabs label[for="rv-auth-in"], #rv-auth-up:checked ~ .rv-auth-tabs label[for="rv-auth-up"] {
  color: var(--rv-ink); border-bottom-color: var(--rv-rose); }
.rv-auth-panel { display: none; }
#rv-auth-in:checked ~ .rv-auth-panel-in, #rv-auth-up:checked ~ .rv-auth-panel-up { display: grid; }
.rv-auth-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; }

/* ---------- dashboard: flat left list ---------- */
.rv-side { position: sticky; top: 78px; border-right: 1px solid var(--rv-line); padding: 4px 14px 4px 0; }
.rv-side nav { display: flex; flex-direction: column; gap: 0; }
.rv-side a { text-decoration: none; color: var(--rv-ink-soft); padding: 9px 12px; border-left: 3px solid transparent; display: flex; justify-content: space-between; align-items: center; }
.rv-side a:hover { color: var(--rv-ink); border-left-color: var(--rv-line); }
.rv-side-here { color: var(--rv-ink) !important; font-weight: 600; border-left-color: var(--rv-rose) !important; }

/* ---------- footer: six-language grid + links ---------- */
.rv-foot { background: var(--rv-navy); color: #cfd6ea; margin-top: 50px; padding: 40px 16px 24px; }
.rv-foot-ask { max-width: 1180px; margin: 0 auto 14px; font: 600 1rem var(--rv-display); color: #ffb3c4; }
.rv-foot-grid { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.rv-foot-lang { display: grid; gap: 4px; padding: 18px 16px; border: 1px solid #2c3b63; border-radius: 16px; text-decoration: none; color: #fff; }
.rv-foot-lang:hover, .rv-foot-here { border-color: #ff6f8f; background: rgba(255, 111, 143, .08); }
.rv-foot-hello { font: 700 1.6rem/1.1 var(--rv-display); }
.rv-foot-name { font-size: .9rem; color: #aab5d3; }
.rv-foot-links { max-width: 1180px; margin: 22px auto 0; display: flex; flex-wrap: wrap; gap: 6px 20px; padding-top: 16px; border-top: 1px dashed #2c3b63; }
.rv-foot-links a { color: #e9edf8; text-decoration: none; font-size: .92rem; }
.rv-foot-links a:hover { color: #ff9db3; }
.rv-foot-copy { max-width: 1180px; margin: 12px auto 0; font-size: .82rem; color: #8f9bbd; }

.rv-balance { background: var(--rv-navy); color: var(--rv-board-ink); border-radius: 18px; padding: 20px 24px; margin-top: 12px; display: grid; gap: 4px; }
.rv-balance-label { margin: 0; font: 600 .78rem/1 var(--rv-display); letter-spacing: .14em; text-transform: uppercase; color: #ffb3c4; }
.rv-balance-cny { margin: 0; font: 700 2.4rem/1.1 var(--rv-display); letter-spacing: -.02em; }
.rv-balance-usd { margin: 0; color: #c8d2ef; }
.rv-balance .rv-textlink { color: #fff; justify-self: start; margin-top: 6px; }
.rv-balance-low .rv-balance-cny { color: #ff8fa8; }
.rv-grid tfoot td { font-weight: 600; border-top: 2px solid var(--rv-line); }

/* admin (tower) revenue chart */
.rv-bars { list-style: none; padding: 0; margin: 0; display: flex; align-items: flex-end; gap: 6px; height: 170px; }
.rv-bars li { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; gap: 4px; }
.rv-bars i { display: block; width: 100%; background: linear-gradient(180deg, var(--rv-rose), var(--rv-rose-deep)); border-radius: 6px 6px 2px 2px; min-height: 2%; }
.rv-bars span { font-size: .66rem; color: var(--rv-muted); white-space: nowrap; }

/* ---------- small screens ---------- */
@media (max-width: 960px) {
  .rv-split, .rv-lounge, .rv-region-row, .rv-auth-row { grid-template-columns: minmax(0, 1fr); }
  .rv-atlas-copy { margin: 14px 0 0; }
  .rv-pairs { grid-template-columns: 1fr; }
  .rv-side { position: static; border-right: 0; border-bottom: 1px solid var(--rv-line); padding: 0 0 10px; }
  .rv-side nav { flex-direction: row; flex-wrap: wrap; }
  .rv-foot-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) {
  .rv-foot-grid { grid-template-columns: repeat(2, 1fr); }
  .rv-routes { order: 3; width: 100%; flex: none; }
  .rv-atlas-map { padding: 8px 4px 4px; border-radius: 18px; }
  .rv-main { padding: 18px 16px 60px; }
}
@media (prefers-reduced-motion: reduce) {
  .rv-arc { animation: none; }
}