/* echo-hub.css — page styles (claude_20261002_cobalt). Former inline style="" attributes are the st-* classes at the end. */
  .col { max-width: 600px; padding: 14px 16px calc(40px + env(safe-area-inset-bottom)); }
  @media (min-width: 900px) { .col { margin-left: clamp(24px, 9.7vw, 140px); padding-top: 34px; } }
  .hero p { margin: 0; font-size: 13px; line-height: 1.55; }
  .proof { margin-top: 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); }
  .proof > div { padding: 12px 12px 12px; }
  .proof > div + div { border-top: 1px solid var(--line); }
  .proof small { display: block; margin-top: 6px; color: var(--muted); font-size: 11px; line-height: 1.5; }
  .odds .big { display: block; margin-top: 4px; font-size: 22px; line-height: 1.2; letter-spacing: -.01em; }
  .odds p { margin: 4px 0 0; font-size: 13px; line-height: 1.5; }
  .br { display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; align-items: center; margin-top: 10px; font-size: 12px; }
  .br .lb { font-weight: 700; } .br .lb small { margin-top: 0; font-weight: 400; font-size: 10.5px; }
  .br .tr { grid-column: 1 / -1; grid-row: 2; height: 8px; border-radius: 4px; background: var(--line-soft); overflow: hidden; }
  .br .tr i { display: block; height: 100%; border-radius: 4px; background: var(--rule); }
  .br.hot .tr i { background: var(--bad); }
  .br .vl { grid-column: 2; grid-row: 1; align-self: end; font-weight: 700; font-variant-numeric: tabular-nums; }
  .br.hot .vl { color: var(--bad); }
  @media (min-width: 640px) { .proof { display: grid; grid-template-columns: 1fr 1fr; } .proof > div + div { border-top: 0; border-left: 1px solid var(--line); } }
  .steps { margin-top: 4px; }
  .step { display: grid; grid-template-columns: 26px 1fr; gap: 10px; margin-top: 16px; }
  .step > span { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--cobalt); color: var(--paper); font-weight: 700; font-size: 11px; }
  .step h2 { margin: 1px 0 2px; font-size: 14px; }
  .step p { margin: 0; font-size: 12.5px; line-height: 1.55; }
  .step a { font-weight: 700; text-decoration: none; white-space: nowrap; }
  .foot { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; padding-top: 12px; border-top: 1px solid var(--line); }

  /* ---- explainer tabs ---- */
  .tab { position: absolute; right: 0; z-index: 30; display: flex; align-items: center; gap: 6px; height: 28px; padding: 0 12px 0 10px; border: 1px solid var(--glass-line); border-right: 0; border-radius: 8px 0 0 8px; color: var(--cobalt); font: 700 11px/1 var(--font); white-space: nowrap; box-shadow: -4px 2px 12px rgba(17,26,45,.08); cursor: pointer; transition: right .28s cubic-bezier(.32,.72,0,1); }
  .tab::after { content: ""; position: absolute; inset: -8px 0 -8px -6px; }
  .tab.on { color: var(--ink); background: var(--glass-strong); }
  .tab.on .xi { background: var(--cobalt); color: var(--paper); }
  .t101 { background: var(--cobalt) !important; color: var(--paper) !important; border-color: var(--cobalt) !important; }
  #dtabs { position: absolute; top: 0; right: 0; width: 0; height: 0; }
  #ptabs { display: none; }
  @media (max-width: 899px) {
    #dtabs { display: none; }
    #ptabs { display: block; position: fixed; right: 0; top: 40%; z-index: 30; }
    #ptabs .tab { position: relative; margin-bottom: 6px; height: 30px; padding: 0 8px; }
    #ptabs .tab small { color: var(--muted); font-weight: 400; }
    #ptabs .tab .lbl { display: none; }
    #ptabs .tab.wide .lbl { display: inline; }
  }
  .pulse { box-shadow: 0 0 0 4px rgba(0,46,172,.22), -4px 2px 14px rgba(17,26,45,.14) !important; }

  /* ---- explainer sheet / panel ---- */
  .xpanel { position: fixed; z-index: 61; top: var(--top); right: 0; bottom: 0; width: min(90vw, 460px); border-left: 1px solid var(--glass-line); box-shadow: -18px 0 40px rgba(17,26,45,.14); transform: translateX(102%); transition: transform .28s cubic-bezier(.32,.72,0,1); }
  html:not(.shelled) .xpanel, html:not(.shelled) .o101 { top: 0; }
  .xpanel.open { transform: none; }
  .xpanel .in { position: absolute; inset: 0; overflow-y: auto; overscroll-behavior: contain; padding: 18px 18px calc(24px + env(safe-area-inset-bottom)); }
  @media (min-width: 900px) { .xpanel .in { padding: 22px 26px 28px; } }
  .xpanel .x, .o101 .x { position: absolute; top: 12px; right: 12px; z-index: 2; }
  .handle { position: absolute; left: -1px; top: 50%; width: 5px; height: 44px; margin-top: -22px; border-radius: 0 3px 3px 0; background: rgba(17,26,45,.25); }
  @media (min-width: 900px) { .handle { display: none; } }
  .xp h3 { margin: 4px 0 0; font-size: 17px; line-height: 1.2; padding-right: 30px; }
  .xp .lead { margin: 6px 0 0; font-weight: 700; font-size: 12.5px; line-height: 1.45; }
  .xp p { margin: 8px 0 0; font-size: 12px; line-height: 1.6; }
  .xp .sec2 { margin-top: 14px; padding-top: 10px; border-top: 1px solid var(--line); }
  .xp .eq { margin-top: 6px; padding: 8px 10px; border-radius: 6px; background: var(--card); border: 1px solid var(--line); font: 11px/1.6 var(--mono); overflow-x: auto; }
  .xp .ex { display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; margin-top: 6px; font-size: 11.5px; }
  .xp .ex b { font-variant-numeric: tabular-nums; text-align: right; }
  .xp .nav2 { display: flex; justify-content: space-between; gap: 10px; margin-top: 16px; padding-top: 10px; border-top: 1px solid var(--line); }
  .xp .nav2 button { position: relative; border: 0; background: none; padding: 0; color: var(--cobalt); font-weight: 700; font-size: 11.5px; cursor: pointer; text-align: left; }
  .xp .nav2 button:last-child { text-align: right; }
  .xp .nav2 button::after { content: ""; position: absolute; inset: -12px -4px; }
  .xp svg text { font-family: var(--font); }
  .dots { display: flex; gap: 4px; justify-content: center; margin-top: 10px; } .dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--line); } .dots i.on { background: var(--cobalt); }
  .needs { color: var(--amber); }

  /* ---- 101 ---- */
  .o101 { position: fixed; z-index: 62; top: var(--top); left: 0; right: 0; bottom: 0; transform: translateY(102%); transition: transform .3s cubic-bezier(.32,.72,0,1); }
  .o101.open { transform: none; }
  .o101 .in { position: absolute; inset: 0; overflow-y: auto; overscroll-behavior: contain; padding: 12px 16px calc(28px + env(safe-area-inset-bottom)); }
  .o101 .hd { display: flex; align-items: center; justify-content: space-between; padding-right: 34px; }
  .chs { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-top: 8px; }
  .chs button { position: relative; height: 28px; border: 1px solid var(--rule); border-radius: 5px; background: var(--card); color: var(--muted); font: 700 11px/1 var(--font); cursor: pointer; }
  .chs button.on { background: var(--cobalt); border-color: var(--cobalt); color: var(--paper); }
  .chs button.done::after { content: "✓"; position: absolute; top: -7px; right: -3px; font-size: 10px; color: var(--good); }
  .prog { height: 3px; border-radius: 2px; background: var(--line); margin-top: 10px; } .prog i { display: block; height: 100%; width: 0; border-radius: 2px; background: var(--cobalt); transition: width .3s; }
  .toc { display: none; }
  @media (min-width: 900px) {
    .o101 { left: auto; width: 900px; border-left: 1px solid var(--glass-line); box-shadow: -18px 0 40px rgba(17,26,45,.14); transform: translateX(102%); }
    .o101 .in { display: grid; grid-template-columns: 220px 1fr; gap: 28px; padding: 22px 28px 32px; }
    .o101 .hd, .chs, .prog.m { display: none; }
    .toc { display: block; }
    .o101 .xp { max-width: 560px; }
  }
  .toc ol { list-style: none; margin: 10px 0 0; padding: 0; counter-reset: c; }
  .toc li { counter-increment: c; }
  .toc li button { width: 100%; display: grid; grid-template-columns: 20px 1fr; gap: 6px; padding: 7px 8px; border: 0; border-radius: 6px; background: none; color: var(--ink); font: 400 12px/1.35 var(--font); text-align: left; cursor: pointer; }
  .toc li button::before { content: counter(c); color: var(--muted); font-weight: 700; }
  .toc li button.on { background: var(--accent-subtle); color: var(--cobalt); font-weight: 700; }
  .toc li button.on::before { color: var(--cobalt); }
  .toc li button.done::before { content: "✓"; color: var(--good); }
  .tbl { margin-top: 6px; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: var(--card); font-size: 11.5px; }
  .tbl > div { display: grid; grid-template-columns: 1.1fr .7fr .7fr 1.3fr; gap: 8px; padding: 5px 10px; border-top: 1px solid var(--line-soft); }
  .tbl > div:first-child { border-top: 0; color: var(--muted); font: 700 8.75px/1.4 var(--font); letter-spacing: .08em; text-transform: uppercase; }
  .tbl .m { color: var(--muted); } .tbl .m b { color: var(--cobalt); }

  /* ---- nudges ---- */
  .callout { position: fixed; z-index: 35; right: 64px; width: 230px; padding: 10px 12px 11px; border: 1px solid var(--glass-line); border-radius: 10px; font-size: 12.5px; line-height: 1.45; box-shadow: var(--shadow); opacity: 0; transform: translateY(6px); pointer-events: none; transition: .25s; }
  .callout.show { opacity: 1; transform: none; pointer-events: auto; }
  .callout a { display: inline-block; margin-top: 6px; font-weight: 700; text-decoration: none; }
  .carrow { position: absolute; right: -44px; top: -46px; }
  .invite { position: fixed; z-index: 63; left: 8px; right: 8px; bottom: calc(10px + env(safe-area-inset-bottom)); border: 1px solid var(--glass-line); border-radius: 12px; box-shadow: var(--shadow); background: var(--glass-strong); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); transform: translateY(140%); transition: transform .28s cubic-bezier(.32,.72,0,1); }
  .invite.show { transform: none; }
  @media (min-width: 900px) { .invite { left: auto; right: 24px; width: 360px; } }
.st-2e6cf2 { margin-top:8px !important;grid-template-columns:auto 1fr !important; }
.st-3a230e { border-top:0 !important;padding-top:2px !important; }
.st-4f7e47 { margin:4px 0 0 !important;color:var(--muted) !important;font-size:11.5px !important; }
.st-56f435 { margin-top:12px !important; }
.st-5c3809 { font-size:11px !important;color:var(--muted) !important;margin-top:6px !important; }
.st-6be0d8 { text-align:left !important; }
.st-6d9a07 { border-bottom:0 !important; }
.st-6fa35a { font-size:12px !important;line-height:1.5 !important;margin-top:2px !important; }
.st-789157 { color:var(--ink) !important; }
.st-7fd911 { margin-top:14px !important;padding-top:10px !important;border-top:1px solid var(--line) !important;font-size:11.5px !important;color:var(--muted) !important; }
.st-85fb48 { width:94.7% !important; }
.st-8a77e5 { margin-top:8px !important; }
.st-96ad60 { margin-top:4px !important; }
.st-af4497 { font-size:17px !important;font-weight:700 !important;margin-top:4px !important; }
.st-b9199e { font-size:20px !important; }
.st-b920eb { color:var(--cobalt) !important; }
.st-d2c171 { margin-top:10px !important; }
.st-f9df99 { width:2.5% !important; }
.st-fe7b49 { margin-top:6px !important; }