/* The same paper, graphite and signal-red language as the career and native UI. */
.platform-page {
  --paper:#f4f5f3; --ink:#15181b; --muted:#526066; --line:#d6dbdc;
  --blue:#be1821; --blue-pale:#fbebec; --navy-deep:#15181b;
  min-width:320px; min-height:100vh; display:flex; flex-direction:column;
  background:var(--paper); color:var(--ink);
}
.platform-page ::selection { background:#f4cbd0; }
.platform-page :focus-visible, #platform-banner :focus-visible { outline:3px solid #be1821; outline-offset:4px; }
.platform-header { width:100%; max-width:1280px; margin:0 auto; padding:27px 40px; display:flex; align-items:center; justify-content:space-between; gap:28px; border-bottom:1px solid var(--line); }
.platform-brand { flex-shrink:0; }
.platform-header img { display:block; width:264px; max-width:100%; height:auto; }
.platform-header nav { display:flex; flex-wrap:wrap; align-items:center; gap:24px; }
.platform-header nav a,.platform-header nav button { position:relative; color:var(--muted); font:inherit; font-size:14px; font-weight:600; background:none; border:0; padding:10px 0; text-decoration:none; cursor:pointer; }
.platform-header nav a:hover,.platform-header nav a[aria-current="page"] { color:var(--ink); }
.platform-header nav a[aria-current="page"]::after { content:""; position:absolute; inset:auto 0 0; height:3px; background:var(--blue); }
.platform-header nav a.platform-nav-join { padding:10px 15px; color:var(--blue); background:#fff; border:1px solid var(--line); }
.platform-main { width:100%; max-width:1280px; margin:0 auto; padding:56px 40px 80px; flex:1; }
.platform-main h1 { font-size:clamp(34px,4vw,50px); letter-spacing:-.045em; font-weight:700; line-height:1.08; margin:0 0 18px; color:var(--ink); }
.platform-main h2 { font-size:23px; margin:0 0 12px; }
.platform-main p { line-height:1.65; }
.platform-intro { color:var(--muted); max-width:64ch; margin:0 0 28px; font-size:17px; }
.platform-meta { color:var(--muted); font-size:13px; }
.platform-hero { position:relative; display:grid; grid-template-columns:minmax(0,1.3fr) minmax(280px,.85fr); gap:36px; align-items:center; padding:28px 0 60px; }
.platform-hero h1 { font-size:clamp(44px,5.4vw,72px); max-width:750px; }
.platform-hero .platform-intro { font-size:18px; max-width:48ch; }
.platform-hero .platform-meta { max-width:53ch; }
.platform-hero-kicker { display:flex; align-items:center; gap:12px; font-size:14px; font-weight:600; color:var(--muted); margin-bottom:24px; }
.platform-hero-kicker::before { content:""; width:24px; height:4px; background:var(--blue); }
.platform-architecture { align-self:stretch; display:grid; align-content:center; overflow:hidden; min-height:390px; }
.platform-architecture svg { width:100%; height:auto; display:block; }
.platform-architecture p { margin:10px 0 0; text-align:right; color:var(--muted); font-size:13px; }
.platform-actions { display:flex; flex-wrap:wrap; gap:12px; align-items:center; margin:24px 0; }
.platform-page .button { min-height:46px; border-radius:0; padding:12px 20px; background:var(--blue); color:#fff; border:1px solid var(--blue); box-shadow:none; text-decoration:none; }
.platform-page .button:hover { background:#9d111a; border-color:#9d111a; }
.platform-page .button.secondary { background:#fff; color:var(--ink); border-color:var(--line); }
.platform-page .button.secondary:hover { background:#e9edeb; border-color:#a3afb2; }
.platform-page .button:disabled { opacity:.5; }
.platform-auth-layout { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,480px); align-items:center; gap:80px; max-width:1080px; margin:28px auto; }
.platform-auth-context { padding:20px 0; }
.platform-auth-context img { width:72px; height:72px; margin-bottom:24px; }
.platform-auth-context h2 { max-width:10ch; font-size:clamp(38px,4.8vw,62px); font-weight:700; letter-spacing:-.045em; }
.platform-auth-context p { color:var(--muted); max-width:36ch; margin-top:20px; }
.platform-auth { width:100%; max-width:480px; margin:12px auto; padding:36px; background:#fff; border:1px solid var(--line); border-top:4px solid var(--blue); border-radius:0; }
.platform-auth-layout .platform-auth { margin:0; }
.platform-auth h1 { font-size:34px; }
.platform-auth p + p { margin-top:16px; }
.platform-auth p { color:var(--muted); }
.platform-auth strong { color:var(--ink); overflow-wrap:anywhere; }
.platform-auth label { display:block; font-size:14px; font-weight:600; margin:22px 0 7px; }
.platform-auth input { width:100%; min-height:48px; border:1px solid #a8b2b5; border-radius:0; padding:12px; font:inherit; background:#fff; color:var(--ink); }
.platform-auth .button { margin:24px 0 20px; width:100%; }
.platform-auth .button + p { margin-top:0; }
.platform-auth a:not(.button) { color:var(--blue); text-underline-offset:3px; }
.platform-auth .platform-note { margin-top:22px; }
.platform-error { color:#a81922 !important; padding:12px 0; line-height:1.5; overflow-wrap:anywhere; }
.platform-error:empty { display:none; }
.platform-note { margin:24px 0 0; background:#e9eded; border-left:3px solid #526066; padding:14px 18px; border-radius:0; font-size:14px; line-height:1.6; color:var(--muted); max-width:80ch; }
.platform-note a { text-underline-offset:3px; }
.platform-note.development { background:#fff3db; border-color:#9a6509; color:#78500f; }
.platform-heading { display:flex; align-items:flex-start; justify-content:space-between; gap:28px; margin-bottom:30px; }
.platform-heading .platform-actions { margin-top:0; }
.platform-heading .platform-intro { margin-bottom:0; }
.platform-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr)); gap:20px; }
.platform-card { position:relative; min-width:0; background:#fff; border:1px solid var(--line); border-radius:0; padding:28px; }
.platform-card h2 { font-size:24px; overflow-wrap:anywhere; }
.platform-card p { margin:8px 0; color:var(--muted); }
.platform-card .button { margin-top:18px; text-decoration:none; }
.platform-card .platform-meta { font-size:13px; }
.platform-pill { display:inline-flex; align-items:center; gap:8px; border-radius:0; padding:5px 9px; font-size:12px; font-weight:600; background:#e7f2ee; color:#23644b; margin-bottom:20px; }
.platform-pill::before { content:""; width:5px; height:5px; background:currentColor; }
.platform-pill.season { color:var(--blue); background:var(--blue-pale); }
.platform-pill.offline { background:#ecefef; color:#526066; }
.platform-features { border-top:1px solid var(--line); display:grid; grid-template-columns:1fr 1fr; gap:56px; padding-top:30px; }
.platform-features h2 { font-size:24px; }
.platform-features p { color:var(--muted); max-width:50ch; }
.platform-empty { border-left:4px solid var(--blue); padding:38px; max-width:750px; }
.platform-empty p { max-width:60ch; }
.platform-steps { display:grid; grid-template-columns:repeat(3,1fr); list-style:none; padding:0; margin:34px 0; gap:24px; counter-reset:connection; }
.platform-steps li { border-top:1px solid var(--line); padding:20px 0 0; counter-increment:connection; }
.platform-steps li::before { content:counter(connection,decimal-leading-zero); display:block; color:var(--blue); font:600 20px var(--display); margin-bottom:12px; }
.platform-steps h2 { font-size:21px; margin-bottom:8px; }
.platform-steps p { color:var(--muted); font-size:14px; max-width:38ch; }
.platform-account { max-width:780px; background:#fff; padding:28px; border:1px solid var(--line); border-left:4px solid var(--blue); margin-bottom:44px; }
.platform-account .platform-intro { margin-bottom:0; overflow-wrap:anywhere; }
.platform-account .platform-actions { margin-bottom:0; }
.platform-footer { width:100%; max-width:1280px; padding:24px 40px; margin:auto; border-top:1px solid var(--line); display:flex; justify-content:space-between; gap:20px; font-size:12px; color:var(--muted); }
.platform-footer span:first-child { color:var(--ink); font-weight:600; }
.platform-page .toast { background:var(--ink); border-left:4px solid var(--blue); border-radius:0; box-shadow:0 8px 32px #15181b20; }
.platform-loading { display:flex; align-items:center; gap:14px; min-height:220px; color:var(--muted); }
.platform-loading::before { content:""; width:8px; height:8px; background:var(--blue); }
.platform-retry { max-width:620px; padding:36px; background:#fff; border-left:4px solid var(--blue); }
#platform-banner { padding:10px 24px; background:#fff; color:#526066; border-bottom:1px solid #d6dbdc; border-left:4px solid #be1821; display:flex; align-items:center; gap:18px; justify-content:space-between; font-size:13px; }
#platform-banner a { color:#15181b; text-decoration:none; }
#platform-banner a:hover { text-decoration:underline; text-underline-offset:3px; }
#platform-banner .platform-banner-links { display:flex; gap:16px; flex-wrap:wrap; }
#platform-banner [data-save-state] { font-weight:600; }
.platform-connection-note { margin:12px 0; }
@media(max-width:960px) {
  .platform-header { padding:24px 28px; }
  .platform-header img { width:220px; }
  .platform-header nav { gap:18px; }
  .platform-main { padding:40px 28px 64px; }
  .platform-hero { gap:20px; grid-template-columns:minmax(0,1.3fr) minmax(220px,.8fr); }
  .platform-auth-layout { gap:40px; }
  .platform-heading { flex-direction:column; gap:20px; }
  .platform-heading .platform-actions { margin:0; }
}
@media(max-width:700px) {
  .platform-header { padding:20px; align-items:flex-start; flex-direction:column; gap:18px; }
  .platform-header img { width:230px; }
  .platform-header nav { width:100%; gap:18px; }
  .platform-header nav a { font-size:13px; }
  .platform-main { padding:30px 20px 48px; }
  .platform-hero { display:block; padding:10px 0 32px; }
  .platform-hero h1 { font-size:clamp(40px,9vw,60px); }
  .platform-hero .platform-intro { font-size:17px; }
  .platform-architecture { min-height:0; width:min(100%,380px); margin:28px auto 0; }
  .platform-architecture svg { max-height:260px; }
  .platform-architecture p { display:none; }
  .platform-features { grid-template-columns:1fr; gap:28px; }
  .platform-auth-layout { display:block; margin:0; }
  .platform-auth-context { display:none; }
  .platform-auth { margin:0 auto; padding:26px; }
  .platform-auth-layout .platform-auth { margin:auto; }
  .platform-auth h1 { font-size:31px; }
  .platform-card,.platform-empty { padding:24px; }
  .platform-steps { grid-template-columns:1fr; gap:22px; }
  .platform-steps li { display:grid; grid-template-columns:32px 1fr; gap:0 14px; }
  .platform-steps li::before { grid-row:1/3; }
  .platform-steps p { max-width:none; }
  .platform-account { padding:24px; }
  .platform-footer { padding:22px 20px; flex-direction:column; gap:6px; }
  #platform-banner { padding:10px 14px; flex-wrap:wrap; }
}
@media(prefers-reduced-motion:reduce) { .platform-page *, .platform-page *::before, .platform-page *::after { scroll-behavior:auto; transition:none; animation:none; } }