/* ══════════════════════════════════════════════════════════════
   iostips OS — page mode (hub / guide / topics / docs)
   Standalone server-rendered pages that share the home-screen
   wallpaper, status bar and dock. Reuses style.css tokens.
   ══════════════════════════════════════════════════════════════ */

body.b-page-mode{overflow:auto;user-select:auto;-webkit-user-select:auto}

.b-page{position:relative;z-index:2;max-width:1120px;margin:0 auto;
  padding:76px clamp(16px,3vw,36px) 140px}

/* top bar: back chip + crumbs (page mode replaces the home "pull down") */
.b-top{display:flex;align-items:center;gap:12px;margin-bottom:22px;flex-wrap:wrap}
.b-back{display:inline-flex;align-items:center;gap:7px;padding:8px 15px;border-radius:99px;
  background:var(--glass-strong);border:1px solid var(--line);backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);font-size:13.5px;font-weight:700;color:var(--txt);
  text-decoration:none;box-shadow:0 4px 18px rgba(20,20,60,.08);transition:transform .2s ease,box-shadow .2s ease}
.b-back:hover{transform:translateY(-1px);box-shadow:0 8px 26px rgba(20,20,60,.14)}
.b-back svg{width:13px;height:13px}
.b-crumbs{display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:var(--txt3);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.b-crumbs a{color:var(--txt2);text-decoration:none}
.b-crumbs a:hover{color:var(--txt)}
.b-crumbs svg{width:11px;height:11px;opacity:.55}
.b-crumbs .cur{color:var(--txt2)}

/* header of a hub / guide */
.b-head{display:flex;align-items:center;gap:16px;margin-bottom:8px;flex-wrap:wrap}
.b-head .app-icon{width:58px;height:58px;border-radius:17px;cursor:default}
.b-head .app-icon:hover{transform:none}
.b-head h1{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.02em}
.b-head .cnt{font-size:13.5px;color:var(--txt2);font-weight:600;margin-top:2px}
.b-head .grow{flex:1}

.b-lede{font-size:15.5px;line-height:1.65;color:var(--txt2);max-width:760px;margin:4px 0 22px}

/* page grid: main + rail (mirrors .post-grid) */
.b-grid{display:grid;grid-template-columns:minmax(0,1fr) 316px;gap:32px;align-items:start}
@media(max-width:1000px){.b-grid{grid-template-columns:1fr}}
.b-rail{display:flex;flex-direction:column;gap:14px}

/* segment control (hub filters) */
.b-seg{display:inline-flex;gap:4px;padding:4px;border-radius:99px;background:var(--chip);margin-bottom:14px}
.b-seg button{padding:7px 14px;border-radius:99px;font-size:13px;font-weight:650;color:var(--txt2)}
.b-seg button.on{background:var(--card-solid);color:var(--txt);box-shadow:0 2px 8px rgba(0,0,0,.08)}

/* hub filter input */
.b-filter{display:flex;align-items:center;gap:9px;padding:10px 15px;border-radius:99px;
  background:var(--card);border:1px solid var(--line);margin-bottom:18px;max-width:430px}
.b-filter svg{width:16px;height:16px;color:var(--txt3)}
.b-filter input{flex:1;background:none;border:none;outline:none;color:var(--txt);font-size:14px}

/* article prose (guide pages) */
.b-article h2{font-size:21px;font-weight:800;letter-spacing:-.015em;margin:30px 0 12px}
.b-article p{font-size:15px;line-height:1.7;color:var(--txt);margin:10px 0}
.b-article ul.plain{margin:10px 0 10px 20px;display:flex;flex-direction:column;gap:8px}
.b-article ul.plain li{font-size:14.5px;line-height:1.6;color:var(--txt)}
.b-article code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em;
  background:var(--chip);padding:2px 6px;border-radius:6px}

/* facts grid (guide quick facts) */
.b-facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:10px;margin:14px 0 6px}
.b-facts .fact{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.b-facts .fact b{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--txt3);margin-bottom:4px}
.b-facts .fact span{font-size:13.5px;font-weight:600;line-height:1.45}

/* docs (about / privacy / contact) */
.b-doc{max-width:720px}
.b-doc h2{font-size:19px;font-weight:800;margin:24px 0 10px}
.b-doc p{font-size:14.5px;line-height:1.7;color:var(--txt2);margin:8px 0}
.b-doc a{color:var(--blue)}

/* callout */
.b-callout{display:flex;gap:11px;align-items:flex-start;background:rgba(10,132,255,.1);
  border:1px solid rgba(10,132,255,.22);border-radius:16px;padding:13px 15px;margin:14px 0;
  font-size:13.5px;line-height:1.55;color:var(--txt)}
.b-callout svg{width:17px;height:17px;flex:none;color:var(--blue);margin-top:1px}

/* up-next cards */
.b-upnext{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-top:14px}
.b-upnext .uc{display:flex;flex-direction:column;gap:5px;align-items:flex-start;text-align:left;
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 16px;
  text-decoration:none;color:var(--txt);transition:transform .2s ease,border-color .2s ease}
.b-upnext .uc:hover{transform:translateY(-2px);border-color:var(--line2)}
.b-upnext .uc-h{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--txt3)}
.b-upnext .uc-h svg{width:13px;height:13px}
.b-upnext .uc-t{font-size:14px;font-weight:700;line-height:1.4}
.b-upnext .uc-m{font-size:12px;color:var(--txt2);font-weight:600}

/* footer note on pages */
.b-foot{margin-top:46px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;gap:16px;flex-wrap:wrap;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--txt3);font-weight:600}
.b-foot .flinks{display:flex;gap:14px}
.b-foot a{color:var(--txt3);text-decoration:none}
.b-foot a:hover{color:var(--txt)}

/* steps with per-step minutes */
.step .s-time{margin-left:auto;flex:none;font-size:11px;font-weight:700;color:var(--txt3);
  background:var(--chip);border-radius:99px;padding:3px 8px}
.step.done .s-time{opacity:.55}

/* sources block (guide) */
.b-sources{margin-top:26px;display:flex;flex-direction:column;gap:8px}
.b-sources .s-t{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--txt3);margin-bottom:2px}
.b-sources a{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  color:var(--blue);text-decoration:none}
.b-sources a:hover{text-decoration:underline}
.b-sources a svg{width:13px;height:13px}

/* feedback */
.b-feedback{margin-top:26px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px 20px}
.b-feedback h3{font-size:16px;font-weight:800;margin-bottom:3px}
.b-feedback p{font-size:13px;color:var(--txt2);margin-bottom:12px}

/* explore foot */
.b-explore{margin-top:30px;text-align:left}
.b-explore h3{font-size:16.5px;font-weight:800}
.b-explore p{font-size:13px;color:var(--txt2);margin:4px 0 12px}

/* topic index (all hubs) */
.b-topics{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:18px;margin-top:18px}
.b-topics .app{width:auto;height:auto}

/* ad row between content blocks on pages */
.b-adrow{display:flex;justify-content:center;margin:22px 0}