:root{
  --bg:#f4f6fb; --panel:#ffffff; --panel-2:#f8fafc; --ink:#1a2230; --muted:#647089;
  --line:#e3e8f0; --brand:#2563eb; --brand-ink:#1d4ed8; --accent:#7c3aed;
  --ok:#16a34a; --ok-bg:#e7f6ec; --bad:#dc2626; --bad-bg:#fdeaea; --warn:#d97706; --warn-bg:#fef3e2;
  --mine:#ca8a04; --shadow:0 1px 3px rgba(16,24,40,.08),0 1px 2px rgba(16,24,40,.06);
  --radius:12px;
  --hl-yellow:#fde68a; --hl-green:#bbf7d0; --hl-blue:#bfdbfe; --hl-pink:#fbcfe8; --hl-orange:#fed7aa;
}
[data-theme="dark"]{
  --bg:#0e1117; --panel:#161b22; --panel-2:#1b212b; --ink:#e6edf3; --muted:#93a0b4;
  --line:#273040; --brand:#4f8cff; --brand-ink:#6ea0ff; --accent:#a78bfa;
  --ok:#3fb950; --ok-bg:#12261a; --bad:#f85149; --bad-bg:#2a1416; --warn:#e3a008; --warn-bg:#2a2010;
  --mine:#e3b341; --shadow:0 1px 3px rgba(0,0,0,.4);
  --hl-yellow:#7a6a1e; --hl-green:#1f5133; --hl-blue:#1e3a5f; --hl-pink:#5f1e46; --hl-orange:#6b3a12;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
strong{font-weight:700}
.muted{color:var(--muted)}
button{font-family:inherit}

/* Top bar */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:18px;
  padding:10px 18px;background:var(--panel);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:9px;font-size:16px;cursor:pointer;white-space:nowrap}
.brand .logo{font-size:20px;color:var(--brand)}
.course-badge{font-size:11.5px;font-weight:700;letter-spacing:.03em;color:var(--brand-ink);
  background:color-mix(in srgb,var(--brand) 12%,transparent);border:1px solid color-mix(in srgb,var(--brand) 30%,transparent);
  padding:3px 9px;border-radius:999px;white-space:nowrap}
.topnav{display:flex;gap:4px;margin-left:8px}
.navbtn{border:0;background:transparent;color:var(--muted);padding:8px 14px;border-radius:8px;font-size:14px;cursor:pointer}
.navbtn:hover{background:var(--panel-2);color:var(--ink)}
.navbtn.active{background:var(--brand);color:#fff}
.icon-btn{margin-left:auto;border:1px solid var(--line);background:var(--panel-2);color:var(--ink);
  width:36px;height:36px;border-radius:9px;cursor:pointer;font-size:16px}

/* Layout */
.view{max-width:1080px;margin:0 auto;padding:24px 18px 60px}
.footer{max-width:1080px;margin:0 auto;padding:12px 18px;display:flex;gap:12px;align-items:center;color:var(--muted);font-size:12.5px;border-top:1px solid var(--line)}
.footspacer{flex:1}
h1{font-size:24px;margin:.2em 0 .5em}
h2{font-size:18px;margin:1.4em 0 .6em}
.sub{color:var(--muted);margin-top:-2px}

/* Cards & grid */
.grid{display:grid;gap:14px}
.grid.cols3{grid-template-columns:repeat(3,1fr)}
.grid.cols2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.card.click{cursor:pointer;transition:transform .08s,border-color .15s}
.card.click:hover{transform:translateY(-2px);border-color:var(--brand)}
.card h3{margin:.1em 0 .35em;font-size:15.5px}
.pill{display:inline-block;font-size:11.5px;padding:2px 9px;border-radius:999px;background:var(--panel-2);border:1px solid var(--line);color:var(--muted)}
.pill.dom{background:color-mix(in srgb,var(--brand) 14%,transparent);color:var(--brand-ink);border-color:transparent}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:var(--panel-2);
  color:var(--ink);padding:9px 15px;border-radius:9px;cursor:pointer;font-size:14px}
.btn:hover{border-color:var(--brand)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-ink)}
.btn.ghost{background:transparent}
.btn.danger{border-color:color-mix(in srgb,var(--bad) 45%,var(--line));color:var(--bad)}
.btn.danger:hover{background:var(--bad);border-color:var(--bad);color:#fff}
.btn.sm{padding:6px 11px;font-size:13px}
.nowrap{white-space:nowrap}
.beststat{font-size:12.5px;margin-top:8px;padding:5px 9px;border-radius:7px;background:var(--panel-2);border:1px solid var(--line)}
.beststat.muted{background:transparent;border:0;padding:0}
.btn:disabled{opacity:.5;cursor:not-allowed}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.right{margin-left:auto}

/* Quiz runner */
.runner{display:grid;grid-template-columns:1fr 250px;gap:20px;align-items:start}
.qcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);min-height:340px}
.qmeta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;font-size:12px}
.qstem{font-size:16.5px;line-height:1.55;margin:6px 0 18px;font-weight:500;white-space:pre-wrap}
.qfig{margin:0 0 18px;text-align:center}
.qfig img{max-width:100%;height:auto;border:1px solid var(--line);border-radius:8px;background:#fff;padding:8px}
.scenario{margin:0 0 16px;padding:12px 16px;background:var(--bg);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:8px}
.scenario-label{font-size:11.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--brand);margin-bottom:6px}
.scenario p{margin:0 0 8px;font-size:14.5px;line-height:1.55}
.scenario p:last-of-type{margin-bottom:0}
.scenario .qfig{margin:12px 0 0}
.choices{display:flex;flex-direction:column;gap:10px}
.choice{display:flex;gap:12px;align-items:flex-start;padding:13px 15px;border:1.5px solid var(--line);
  border-radius:10px;cursor:pointer;background:var(--panel);transition:border-color .1s,background .1s}
.choice:hover{border-color:var(--brand)}
.choice.selected{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 8%,transparent)}
.choice .key{flex:0 0 26px;height:26px;border-radius:7px;background:var(--panel-2);border:1px solid var(--line);
  display:grid;place-items:center;font-weight:700;font-size:13px}
.choice.selected .key{background:var(--brand);color:#fff;border-color:var(--brand)}
.choice.correct{border-color:var(--ok);background:var(--ok-bg)}
.choice.correct .key{background:var(--ok);color:#fff;border-color:var(--ok)}
.choice.incorrect{border-color:var(--bad);background:var(--bad-bg)}
.choice.incorrect .key{background:var(--bad);color:#fff;border-color:var(--bad)}
.multihint{margin:0 0 12px;padding:8px 12px;font-size:13px;border:1px solid color-mix(in srgb,var(--brand) 30%,var(--line));background:color-mix(in srgb,var(--brand) 7%,transparent);border-radius:8px}
.choices.multi .choice .key{border-radius:5px}
.choice.mine{border-color:var(--mine)}
.explain{margin-top:16px;padding:14px 16px;border-left:3px solid var(--brand);background:var(--panel-2);border-radius:0 8px 8px 0}
.explain .lbl{font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}

/* Sidebar / palette */
.side{position:sticky;top:70px;display:flex;flex-direction:column;gap:14px}
.timer{font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;text-align:center;letter-spacing:.02em}
.timer.warn{color:var(--warn)}.timer.crit{color:var(--bad)}
.timer.paused{opacity:.5}
.timerrow{display:flex;align-items:center;justify-content:center;gap:10px}
.timerrow #pauseBtn{padding:4px 9px;font-size:14px;line-height:1}
.palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(34px,1fr));gap:6px;justify-content:start}
.pdot{width:100%;max-width:44px;aspect-ratio:1;border:1px solid var(--line);border-radius:7px;background:var(--panel);cursor:pointer;
  font-size:11.5px;display:grid;place-items:center;color:var(--muted)}
.pdot.answered{background:var(--brand);color:#fff;border-color:var(--brand)}
.pdot.flagged{border-color:var(--warn);box-shadow:inset 0 0 0 2px var(--warn-bg)}
.pdot.current{outline:2px solid var(--accent);outline-offset:1px}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:11.5px;color:var(--muted)}
.legend i{width:11px;height:11px;border-radius:3px;display:inline-block;vertical-align:-1px;margin-right:4px}

/* Progress + bars */
.progress{height:8px;background:var(--panel-2);border-radius:999px;overflow:hidden;border:1px solid var(--line)}
.progress>span{display:block;height:100%;background:var(--brand)}
.bar{display:flex;align-items:center;gap:10px;margin:7px 0}
.bar .name{flex:0 0 190px;font-size:13.5px}
.bar .track{flex:1;height:12px;background:var(--panel-2);border:1px solid var(--line);border-radius:999px;overflow:hidden}
.bar .fill{height:100%}
.bar .val{flex:0 0 74px;text-align:right;font-size:13px;font-variant-numeric:tabular-nums}
.fill.good{background:var(--ok)}.fill.mid{background:var(--warn)}.fill.low{background:var(--bad)}

/* Result hero */
.hero{display:flex;gap:26px;align-items:center;flex-wrap:wrap}
.score-ring{--p:0;width:150px;height:150px;border-radius:50%;flex:0 0 150px;display:grid;place-items:center;
  background:conic-gradient(var(--ring) calc(var(--p)*1%),var(--panel-2) 0)}
.score-ring .inner{width:118px;height:118px;border-radius:50%;background:var(--panel);display:grid;place-items:center;text-align:center}
.score-ring .big{font-size:30px;font-weight:800;line-height:1}
.verdict{font-size:15px;font-weight:700;padding:5px 14px;border-radius:999px}
.verdict.pass{background:var(--ok-bg);color:var(--ok)}
.verdict.fail{background:var(--bad-bg);color:var(--bad)}

/* Tables */
table.data{width:100%;border-collapse:collapse;font-size:13.5px}
table.data th,table.data td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line)}
table.data th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
table.data tr:hover td{background:var(--panel-2)}
/* Notes / Highlights / Bookmarks hidden for now (see ANNOTATIONS_ENABLED in app.js).
   Remove this block + flip the flag to bring the features back. */
[data-nav="notes"],[data-go="notes"],[data-go="highlights"],[data-go="bookmarks"],
[data-note],[data-bm],[data-genhl],.hl-legend{display:none !important}
.attempts-scroll{max-height:420px;overflow:auto}
.attempts-scroll table.data thead th{position:sticky;top:0;background:var(--panel);z-index:1}

/* Review filter chips */
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 14px}
.chip{border:1px solid var(--line);background:var(--panel);color:var(--muted);padding:5px 12px;border-radius:999px;cursor:pointer;font-size:13px}
.chip.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.chip.disabled{opacity:.45;cursor:not-allowed}

/* Reader (Study) */
.reader-grid{display:grid;grid-template-columns:230px 1fr;gap:20px;align-items:start}
.reader-rail{position:sticky;top:70px}
.railbox{display:flex;flex-direction:column;gap:3px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:8px;box-shadow:var(--shadow);max-height:calc(100vh - 100px);overflow:auto}
.railitem{display:flex;align-items:center;gap:9px;text-align:left;border:0;background:transparent;color:var(--ink);
  padding:9px 10px;border-radius:8px;cursor:pointer;font-size:13.5px;line-height:1.3}
.railitem:hover{background:var(--panel-2)}
.railitem.active{background:var(--brand);color:#fff}
.railnum{flex:0 0 30px;height:22px;border-radius:6px;background:var(--panel-2);border:1px solid var(--line);
  display:grid;place-items:center;font-size:11.5px;font-weight:700;color:var(--muted)}
.railitem.active .railnum{background:rgba(255,255,255,.2);color:#fff;border-color:transparent}
.reader-main{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px 30px;box-shadow:var(--shadow);min-width:0}

/* Prose */
.prose{max-width:760px}
.prose h1{font-size:24px;margin:.1em 0 .5em}
.prose h2{font-size:19px;margin:1.5em 0 .5em;padding-bottom:.25em;border-bottom:1px solid var(--line)}
.prose h3{font-size:16px;margin:1.3em 0 .4em}
.prose h4{font-size:14.5px;margin:1.1em 0 .3em;color:var(--muted)}
.prose p{margin:.6em 0}
.prose ul,.prose ol{margin:.5em 0;padding-left:1.4em}
.prose li{margin:.28em 0}
.prose code{background:var(--panel-2);border:1px solid var(--line);border-radius:5px;padding:1px 5px;font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.prose hr{border:0;border-top:1px solid var(--line);margin:1.6em 0}
.prose blockquote{margin:1em 0;padding:10px 16px;border-left:3px solid var(--accent);background:var(--panel-2);border-radius:0 8px 8px 0;color:var(--ink)}
.prose strong{font-weight:700}
.tablewrap{overflow-x:auto;margin:1em 0}
.prose table.md{width:100%;border-collapse:collapse;font-size:13.5px}
.prose table.md th,.prose table.md td{border:1px solid var(--line);padding:8px 11px;text-align:left;vertical-align:top}
.prose table.md th{background:var(--panel-2);font-weight:700}
.prose table.md tr:nth-child(even) td{background:color-mix(in srgb,var(--panel-2) 55%,transparent)}

/* Study-guide blocks */
.callout{margin:1.1em 0;padding:12px 16px;border-radius:10px;border:1px solid var(--line);background:var(--panel-2)}
.callout-label{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;margin-bottom:5px;color:var(--muted)}
.callout.exam_tip{border-color:color-mix(in srgb,var(--brand) 40%,var(--line));background:color-mix(in srgb,var(--brand) 8%,transparent)}
.callout.warning{border-color:color-mix(in srgb,var(--warn) 40%,var(--line));background:var(--warn-bg)}
.callout.real_world{border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}
.gfig{margin:1.3em 0;text-align:center}
.gfig img{max-width:100%;height:auto;border:1px solid var(--line);border-radius:8px;background:#fff}
.gfig figcaption{font-size:12.5px;color:var(--muted);margin-top:8px}
.toc{margin:1em 0 1.4em;border:1px solid var(--line);border-radius:10px;background:var(--panel-2);padding:6px 14px}
.toc summary{cursor:pointer;font-weight:600;font-size:13.5px;padding:6px 0}
.toclist{display:flex;flex-direction:column;gap:2px;padding:6px 0 10px}
.tocitem{color:var(--brand-ink);text-decoration:none;font-size:13px;padding:2px 0}
.tocitem:hover{text-decoration:underline}
.tocitem.lvl3{padding-left:16px;color:var(--muted);font-size:12.5px}

/* Top-bar search */
.search-wrap{margin-left:8px}
#globalSearch{width:180px;background:var(--panel-2);border:1px solid var(--line);color:var(--ink);border-radius:9px;padding:8px 11px;font-size:13.5px}
#globalSearch:focus{outline:2px solid var(--brand);outline-offset:0;width:220px}
.grid.cols4{grid-template-columns:repeat(4,1fr)}

/* Dashboard */
.dash-hero{display:flex;gap:26px;align-items:center;flex-wrap:wrap}
.readbreak{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px;font-size:13px;color:var(--muted)}
.readbreak b{color:var(--ink)}
.streakbox{display:flex;align-items:center;gap:14px;padding-left:8px}
.streakbox .flame{font-size:34px}
.goalring{text-align:center}
.ach-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.ach{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px;text-align:center;opacity:.5;filter:grayscale(.6)}
.ach.earned{opacity:1;filter:none;border-color:color-mix(in srgb,var(--brand) 40%,var(--line))}
.ach-ico{font-size:26px}
.ach-lbl{font-weight:700;font-size:13px;margin-top:4px}
.ach-desc{font-size:11px;margin-top:2px}

/* Flashcards */
.flashcard{min-height:210px;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);
  padding:26px;display:flex;flex-direction:column;gap:14px;cursor:pointer;position:relative}
.flashcard.flipped{cursor:default}
.fc-face{display:flex;flex-direction:column;gap:6px}
.fc-back{border-top:1px dashed var(--line);padding-top:14px}
.fc-label{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700}
.fc-text{font-size:17px;line-height:1.5}
.fc-hint{position:absolute;bottom:10px;right:14px;font-size:12px}

/* Confidence */
.confbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.confbtn{border:1px solid var(--line);background:var(--panel-2);color:var(--muted);border-radius:999px;padding:5px 11px;font-size:12.5px;cursor:pointer}
.confbtn:hover{border-color:var(--brand)}
.confbtn.active.know{background:var(--ok-bg);color:var(--ok);border-color:var(--ok)}
.confbtn.active.unsure{background:var(--warn-bg);color:var(--warn);border-color:var(--warn)}
.confbtn.active.dont{background:var(--bad-bg);color:var(--bad);border-color:var(--bad)}

/* Reader toolbar + reading progress + highlights */
.readertb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:6px 0 14px;padding:10px 12px;background:var(--panel-2);border:1px solid var(--line);border-radius:10px}
.readertb .right{margin-left:auto}
.tb-prog{display:flex;align-items:center;gap:8px}
.hl-legend{display:inline-flex;gap:4px;vertical-align:middle}
.hl-legend i{width:14px;height:14px;border-radius:4px;display:inline-block}
.headrow{display:flex;align-items:flex-start;gap:8px}
.headrow .ghead{flex:1;margin-top:0}
.readcb{margin-top:14px;width:16px;height:16px;cursor:pointer;accent-color:var(--brand)}
/* checklist checkbox inside a summary heading (left gutter) */
.prose .has-cb{position:relative;padding-left:28px}
.prose .has-cb .readcb{position:absolute;left:0;top:.28em;margin:0}
mark.hl{border-radius:3px;padding:0 1px;color:inherit}
mark.hl-yellow{background:var(--hl-yellow)}mark.hl-green{background:var(--hl-green)}
mark.hl-blue{background:var(--hl-blue)}mark.hl-pink{background:var(--hl-pink)}mark.hl-orange{background:var(--hl-orange)}
mark.hl-flash{animation:hlflash 1.4s ease}
@keyframes hlflash{0%,100%{box-shadow:0 0 0 0 transparent}30%{box-shadow:0 0 0 4px var(--brand)}}
.hl-popover{position:absolute;z-index:50;display:flex;gap:5px;align-items:center;background:var(--panel);border:1px solid var(--line);
  border-radius:10px;padding:6px 8px;box-shadow:0 6px 20px rgba(0,0,0,.2)}
.hl-swatch{width:22px;height:22px;border-radius:6px;border:1px solid rgba(0,0,0,.15);cursor:pointer}
.hl-swatch.hl-yellow{background:var(--hl-yellow)}.hl-swatch.hl-green{background:var(--hl-green)}
.hl-swatch.hl-blue{background:var(--hl-blue)}.hl-swatch.hl-pink{background:var(--hl-pink)}.hl-swatch.hl-orange{background:var(--hl-orange)}
.hl-note{background:var(--panel-2);border:1px solid var(--line);border-radius:6px;cursor:pointer;font-size:14px;height:22px}
.starbtn{background:none;border:0;cursor:pointer;font-size:17px;color:var(--muted);line-height:1}
.starbtn.on{color:var(--warn)}
.notebody{max-width:none}
.notebody p{margin:.3em 0}

/* Results — domain table + strengths/weaknesses */
.minibar{display:inline-block;width:90px;height:7px;border-radius:999px;background:var(--panel-2);border:1px solid var(--line);vertical-align:middle;overflow:hidden;margin-left:6px}
.minibar>span{display:block;height:100%}
.status-pass{color:var(--ok);font-weight:600;white-space:nowrap}
.status-fail{color:var(--bad);font-weight:600;white-space:nowrap}
.perf-line{display:flex;justify-content:space-between;gap:10px;padding:5px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.perf-line:last-child{border-bottom:0}

.reset-panel summary{cursor:pointer;font-weight:600;color:var(--bad)}
.reset-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

.empty{text-align:center;color:var(--muted);padding:50px 20px}
.tag{font-size:11px;padding:2px 8px;border-radius:6px;background:var(--panel-2);border:1px solid var(--line)}
.tag.easy{color:var(--ok)}.tag.medium{color:var(--warn)}.tag.hard{color:var(--bad)}
select,input[type=number]{background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:14px}

@media(max-width:820px){
  .runner{grid-template-columns:1fr}
  .reader-grid{grid-template-columns:1fr}
  .reader-rail{position:static}
  .railbox{flex-direction:row;flex-wrap:wrap;max-height:none}
  .railitem{flex:0 0 auto}
  .reader-main{padding:20px 18px}
  .grid.cols4{grid-template-columns:1fr 1fr}
  .dash-hero{gap:16px}
  #globalSearch{width:130px}
  .side{position:static}
  .grid.cols3{grid-template-columns:1fr 1fr}
  .grid.cols2{grid-template-columns:1fr}
  /* topbar: let the nav drop to its own full-width, swipeable row */
  .topbar{flex-wrap:wrap;gap:8px 10px}
  .topnav{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
  .topnav .navbtn{padding:8px 12px;flex:0 0 auto}
  .search-wrap{flex:1;min-width:0}
  #globalSearch{width:100%}
}
@media(max-width:560px){.grid.cols3{grid-template-columns:1fr}.bar .name{flex-basis:120px}}

/* ---- auth (login wall) ---- */
body.gated .topnav, body.gated .search-wrap, body.gated #acct, body.gated .course-badge { display:none !important; }
.authwrap{ min-height:calc(100vh - 160px); display:flex; align-items:center; justify-content:center; padding:32px 16px; }
.authcard{ width:100%; max-width:380px; background:var(--panel); border:1px solid var(--line);
  border-radius:16px; box-shadow:var(--shadow); padding:32px 28px; text-align:center; }
.authlogo{ font-size:38px; line-height:1; color:var(--brand); }
.authname{ font-size:20px; font-weight:700; margin-top:10px; color:var(--ink); }
.authbadge{ display:inline-block; margin-top:8px; font-size:11.5px; font-weight:700; letter-spacing:.03em;
  color:var(--brand-ink); background:var(--panel-2); border:1px solid var(--line); padding:3px 10px; border-radius:999px; }
.authsub{ font-size:14px; color:var(--muted); margin:16px 0 4px; }
.authfine{ font-size:12px; color:var(--muted); margin-top:18px; }
.gbtn{ width:100%; height:44px; margin-top:16px; display:flex; align-items:center; justify-content:center; gap:10px;
  font-size:14px; font-weight:600; color:var(--ink); background:var(--panel); border:1px solid var(--line);
  border-radius:var(--radius); cursor:pointer; transition:background .12s, border-color .12s; }
.gbtn:hover{ background:var(--panel-2); border-color:var(--brand); }
.gbtn:disabled{ opacity:.6; cursor:default; }
.gbtn.ghost{ font-weight:500; color:var(--muted); }
/* account chip in the topbar */
#acct{ display:flex; align-items:center; gap:8px; margin-left:auto; }
#acct + .icon-btn{ margin-left:8px; }
#acct .who{ font-size:12.5px; color:var(--muted); max-width:180px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
#acct .signout{ border:1px solid var(--line); background:var(--panel-2); color:var(--ink);
  font-size:12px; padding:5px 10px; border-radius:8px; cursor:pointer; }
#acct .signout:hover{ border-color:var(--brand); }

/* boot loader shown until the auth gate decides (login vs app) */
.booting{ min-height:calc(100vh - 160px); display:flex; align-items:center; justify-content:center; }
.booting .spin{ width:26px; height:26px; border-radius:50%; border:3px solid var(--line);
  border-top-color:var(--brand); animation:spin .8s linear infinite; }
@keyframes spin{ to{ transform:rotate(360deg); } }
@media (prefers-reduced-motion: reduce){ .booting .spin{ animation:none; } }