.quiztools{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin:12px 0;font-size:.9rem;color:var(--muted,#5b6472)}
.quiztools-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.textbtn{border:0;background:transparent;text-decoration:underline;color:inherit;font:inherit;cursor:pointer;padding:4px}
.question-source{font-size:.85rem;margin-top:16px}.quiz-sign{display:block;object-fit:contain;margin:12px auto}
.resume-note{padding:12px;border-left:4px solid #1e5aa8;background:rgba(30,90,168,.08)}
.opt{transition:border-color .15s ease,background-color .15s ease,transform .08s ease}
.opt:active:not(:disabled){transform:scale(.993)}
.opt.selected{outline:3px solid #1e5aa8}
.topicresults{list-style:none;padding:0;text-align:left}.topicresults li{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:13px 18px;border-bottom:1px solid var(--border)}.topicresults li:last-child{border-bottom:none}
.pwModal{max-height:85vh;overflow-y:auto;overscroll-behavior:contain}.pwModal form{display:grid;gap:8px;margin:16px 0;text-align:left}.pwModal input,.pwModal textarea{width:100%;box-sizing:border-box;font:inherit;padding:10px;border:1px solid #87909a;border-radius:6px;background:var(--card,#fff);color:var(--text,#1c2430)}
.pwModal summary{cursor:pointer;text-decoration:underline}.modal-open{overflow:hidden}[hidden]{display:none!important}
.editorial{margin:24px 0;padding:16px;border:1px solid var(--line,#e2ddd0);border-radius:10px}.editorial h2{margin-top:0}.diagram{width:100%;max-width:480px;height:auto;display:block;margin:16px auto}.source-note{font-size:.88rem;color:var(--muted,#5b6472)}
.guide dl{display:grid;grid-template-columns:1fr;gap:8px}.guide dt{font-weight:bold}.guide dd{margin:0 0 12px}.guide .checklist li{margin:10px 0}
:focus-visible{outline:3px solid #1e5aa8;outline-offset:3px}button:disabled{cursor:default}

/* --- Card top bar & Bookmark button --- */
.card-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.card-top .qcat{margin-bottom:0}
.bookmarkbtn{
  display:inline-flex;align-items:center;gap:5px;font-family:'Oswald',sans-serif;font-size:12.5px;font-weight:600;
  letter-spacing:.03em;padding:4px 11px;border-radius:999px;border:1.5px solid var(--border);
  background:var(--surface);color:var(--muted);cursor:pointer;transition:border-color .15s,color .15s,background .15s;
}
.bookmarkbtn:hover{border-color:var(--route);color:var(--route)}
.bookmarkbtn.active{border-color:var(--accent);color:var(--accent-ink);background:var(--accent-soft)}

/* --- Mode buttons with saved items --- */
.modebtn.has-items:not(.active){border-color:var(--route);color:var(--route)}

/* --- Exam timer & Skip button --- */
.timerbadge{
  display:inline-flex;align-items:center;gap:4px;font-family:'Oswald',sans-serif;font-size:12.5px;font-weight:600;
  font-variant-numeric:tabular-nums;padding:3px 10px;border-radius:999px;border:1px solid var(--border);
  background:var(--surface);color:var(--ink);cursor:pointer;
}
.timerbadge.warn{border-color:var(--bad);color:var(--bad);background:var(--bad-bg)}
.timerbadge.paused{opacity:.6;border-style:dashed}
.footer-actions{display:flex;align-items:center;gap:8px}
.skipbtn{
  font-family:'Oswald',sans-serif;font-weight:600;letter-spacing:.02em;font-size:13.5px;
  background:var(--surface-2);color:var(--muted);border:1.5px solid var(--border);border-radius:10px;
  padding:10px 14px;cursor:pointer;transition:border-color .15s,color .15s;
}
.skipbtn:hover{border-color:var(--route);color:var(--route)}

/* --- Keyboard shortcut hint (desktop only) --- */
.hotkey-hint{display:none;font-size:.78rem;color:var(--muted,#5b6472);margin:10px 0 0;opacity:.8}
@media (hover:hover) and (pointer:fine){
  .hotkey-hint{display:block}
}

/* --- Mobile sticky footer bar for comfortable thumb navigation --- */
@media (max-width:640px){
  .card .footerbar{
    position:sticky;bottom:0;z-index:20;
    background:var(--surface);
    margin:16px -22px -22px;
    padding:12px 22px calc(12px + env(safe-area-inset-bottom,0px));
    border-top:1px solid var(--border);
    border-radius:0 0 16px 16px;
  }
}

/* --- Readiness box & Post-Set-2 Upgrade Card --- */
.readiness-box{
  margin:14px auto 18px;max-width:420px;padding:12px 16px;border-radius:12px;
  background:var(--surface-2);border:1px solid var(--border);text-align:left;
}
.readiness-box.ready .progressfill{background:var(--good)}
.readiness-head{font-family:'Oswald',sans-serif;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink)}
.upgrade-card{
  margin:18px 0;padding:18px;border-radius:14px;border:1.5px solid var(--accent);
  background:var(--accent-soft);color:var(--ink);text-align:center;
}
.upgrade-card h3{font-family:'Oswald',sans-serif;font-size:18px;margin:0 0 6px}
.upgrade-card p{font-size:14px;line-height:1.45;margin:0 0 12px;color:var(--ink)}
.empty-card{text-align:center;padding:32px 22px}

/* --- Paywall All-10-States Bundle Card --- */
.pw-bundle-card{
  margin:14px 0 6px;padding:14px 16px;border-radius:12px;border:1.5px solid var(--route);
  background:var(--route-soft);text-align:left;
}
.pw-bundle-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:4px}
.pw-bundle-head b{font-family:'Oswald',sans-serif;font-size:16px;color:var(--ink)}
.pw-bundle-price{font-family:'Oswald',sans-serif;font-size:18px;font-weight:700;color:var(--route)}
.pw-bundle-desc{font-size:13px;line-height:1.4;color:var(--muted);margin:0 0 10px}
.pw-bundle-card .btn{width:100%;border-color:var(--route);color:var(--route);background:var(--surface)}
.pw-bundle-card .btn:hover{background:var(--route);color:#fff}