:root{
  --bg:#0f1117; --card:#171a23; --card2:#1d2130; --ink:#e8eaf0; --dim:#9aa3b8;
  --line:#2a2f3f;
  --patho:#a78bfa; --clin:#60a5fa; --dx:#38bdf8; --tx:#4ade80;
  --mon:#fbbf24; --red:#f87171; --acc:#2dd4bf; --book:#94a3b8;
  --radius:14px;
}
@media (prefers-color-scheme: light){
  :root{--bg:#f7f8fc;--card:#fff;--card2:#f0f2f8;--ink:#141824;--dim:#5b6478;--line:#dfe3ee;
        --patho:#7c3aed;--clin:#2563eb;--dx:#0284c7;--tx:#15803d;--mon:#b45309;--red:#dc2626;
        --acc:#0d9488;--book:#64748b;}
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
     font:16px/1.65 -apple-system,BlinkMacSystemFont,"SF Pro Text",Segoe UI,Roboto,sans-serif;
     padding-bottom:80px;}
.wrap{max-width:1020px;margin:0 auto;padding:0 18px}

header.hero{background:linear-gradient(135deg,#1e3a5f,#3b2f63);padding:26px 18px 20px;border-bottom:1px solid var(--line)}
.crumb{color:#b9c2d8;font-size:12.5px;letter-spacing:.10em;text-transform:uppercase;margin-bottom:6px}
.crumb a{color:#b9c2d8;text-decoration:none}
.crumb a:hover{color:#fff;text-decoration:underline}
h1{margin:0 0 10px;font-size:31px;line-height:1.15;color:#fff}
.tags{display:flex;gap:7px;flex-wrap:wrap}
.tag{font-size:11.5px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.14);color:#e9edf7;font-weight:600}
.tag.src{background:rgba(45,212,191,.22);color:#7ff0e0}

nav.jump{position:sticky;top:0;z-index:50;background:rgba(15,17,23,.94);backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);padding:9px 0}
@media (prefers-color-scheme: light){nav.jump{background:rgba(247,248,252,.95)}}
nav.jump .wrap{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}
nav.jump .wrap::-webkit-scrollbar{display:none}
nav.jump a{flex:0 0 auto;font-size:13px;color:var(--dim);text-decoration:none;padding:6px 11px;
      border-radius:9px;white-space:nowrap;font-weight:600}
nav.jump a:hover{background:var(--card2);color:var(--ink)}

section{margin:26px 0;scroll-margin-top:60px}
h2{font-size:20.5px;margin:0 0 12px;padding-left:13px;border-left:5px solid var(--line);line-height:1.3}
h2.patho{border-color:var(--patho)} h2.clin{border-color:var(--clin)}
h2.dx{border-color:var(--dx)} h2.tx{border-color:var(--tx)}
h2.mon{border-color:var(--mon)} h2.red{border-color:var(--red)}
h3{font-size:16.5px;margin:20px 0 8px;color:var(--ink)}
ul{margin:8px 0;padding-left:20px} li{margin:5px 0}
.dim{color:var(--dim)}
a{color:var(--clin)}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:15px 17px;margin:12px 0}

.call{border-radius:var(--radius);padding:13px 16px;margin:13px 0;border-left:5px solid;background:var(--card)}
.call .lab{font-size:11.5px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;margin-bottom:5px;display:block}
.call p:last-child,.call ul:last-child,.call div:last-child{margin-bottom:0}
.k-red{border-color:var(--red)} .k-red .lab{color:var(--red)}
.k-hy{border-color:var(--mon)} .k-hy .lab{color:var(--mon)}
.k-pearl{border-color:var(--tx)} .k-pearl .lab{color:var(--tx)}
.k-note{border-color:var(--acc)} .k-note .lab{color:var(--acc)}
.k-book{border-color:var(--book)} .k-book .lab{color:var(--book)}

.tw{overflow-x:auto;margin:13px 0;border:1px solid var(--line);border-radius:var(--radius)}
table{border-collapse:collapse;width:100%;font-size:14.2px;min-width:520px}
th{background:var(--card2);text-align:left;padding:9px 12px;font-size:12.5px;
   text-transform:uppercase;letter-spacing:.05em;color:var(--dim);border-bottom:1px solid var(--line)}
td{padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:none}
.grp td{background:var(--card2);font-weight:700;font-size:13px}
.pill{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px}
.p-mort{background:rgba(74,222,128,.18);color:var(--tx)}
.p-sym{background:rgba(96,165,250,.18);color:var(--clin)}
.p-warn{background:rgba(248,113,113,.18);color:var(--red)}

details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin:11px 0;overflow:hidden}
summary{cursor:pointer;padding:12px 16px;font-weight:700;font-size:14.8px;list-style:none;user-select:none}
summary::-webkit-details-marker{display:none}
summary::before{content:"\25B8";display:inline-block;margin-right:9px;color:var(--dim);transition:transform .15s}
details[open] summary::before{transform:rotate(90deg)}
details[open] summary{border-bottom:1px solid var(--line)}
.dbody{padding:13px 17px}

.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:11px;margin:14px 0}
.pil{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--tx);
     border-radius:var(--radius);padding:13px 15px}
.pil h4{margin:0 0 5px;font-size:15px}
.pil .num{font-size:11px;font-weight:800;color:var(--tx);letter-spacing:.08em}
.pil .dose{font-size:13px;color:var(--dim);margin-top:6px}

kbd{background:var(--card2);border:1px solid var(--line);border-radius:5px;padding:1px 6px;font-size:12.5px;font-family:ui-monospace,Menlo,monospace}
footer{margin-top:38px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--dim)}

.secgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(285px,1fr));gap:13px;margin:16px 0}
.seccard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:15px 17px}
.seccard h3{margin:0 0 9px;font-size:16px}
.seccard ul{list-style:none;padding:0;margin:0}
.seccard li{margin:3px 0;font-size:14px;display:flex;gap:7px;align-items:baseline}
.seccard a{text-decoration:none;color:var(--ink)}
.seccard a:hover{color:var(--clin);text-decoration:underline}
.dot{flex:0 0 auto;width:7px;height:7px;border-radius:50%;margin-top:6px}
.d-done{background:var(--tx)} .d-todo{background:var(--book)}
.legend{display:flex;gap:15px;flex-wrap:wrap;font-size:12.5px;color:var(--dim);margin:10px 0 4px}
.legend span{display:flex;gap:6px;align-items:center}
.todo{opacity:.5}
.stat{display:flex;gap:20px;flex-wrap:wrap;margin:14px 0}
.stat div{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:11px 17px;min-width:110px}
.stat b{display:block;font-size:23px;line-height:1.2}
.stat span{font-size:12px;color:var(--dim);text-transform:uppercase;letter-spacing:.06em}

/* ================= mobile ================= */
@media (max-width: 700px) {
  body { font-size:15.6px; }
  .wrap { padding-left:14px; padding-right:14px; }
  header.hero { padding-left:14px; padding-right:14px; padding-bottom:16px; }
  h1 { font-size:23px; }
  .crumb { font-size:11px; letter-spacing:.07em; }
  .crumb .long { display:none; }
  .brand img { width:42px; height:42px; border-radius:10px; }
  h2 { font-size:18.5px; padding-left:11px; border-left-width:4px; }
  h3 { font-size:15.5px; }
  .card, .call, .dbody { padding:12px 14px; }
  summary { padding:11px 14px; font-size:14.2px; }
  table { font-size:13.4px; min-width:440px; }
  th, td { padding:8px 10px; }
  .tw { margin-left:-14px; margin-right:-14px; border-radius:0; border-left:none; border-right:none; }
  .secgrid { grid-template-columns:1fr; gap:11px; }
  .pillars { grid-template-columns:1fr; }
  .stat { gap:9px; }
  .stat div { flex:1 1 44%; min-width:0; padding:10px 13px; }
  .stat b { font-size:20px; }
  nav.jump a { font-size:12.6px; padding:6px 10px; }
  .tags { gap:5px; }
  .tag { font-size:11px; padding:3px 8px; }
}
@media (max-width: 400px) {
  table { min-width:360px; }
  h1 { font-size:20.5px; }
  .brand { gap:10px; }
}

/* ========= standalone / safe area  (MUST come after media queries) ========= */
html { -webkit-text-size-adjust:100%; }
body { -webkit-tap-highlight-color:rgba(96,165,250,.25); overflow-wrap:break-word; }
.brand { display:flex; align-items:center; gap:13px; }
.brand img { width:52px; height:52px; border-radius:12px; flex:0 0 auto;
             box-shadow:0 2px 10px rgba(0,0,0,.28); }
.brand h1 { margin:0; }

@supports (padding-top: env(safe-area-inset-top)) {
  header.hero { padding-top: calc(24px + env(safe-area-inset-top)); }
  nav.jump    { top: 0; }
  body        { padding-bottom: calc(80px + env(safe-area-inset-bottom)); }
  .wrap       { padding-left: calc(18px + env(safe-area-inset-left));
                padding-right: calc(18px + env(safe-area-inset-right)); }
  @media (max-width: 700px) {
    header.hero { padding-top: calc(18px + env(safe-area-inset-top)); }
    .wrap       { padding-left: calc(14px + env(safe-area-inset-left));
                  padding-right: calc(14px + env(safe-area-inset-right)); }
  }
}
/* installed-app mode: extra clearance under the status bar / Dynamic Island */
@media (display-mode: standalone) {
  header.hero { padding-top: calc(30px + env(safe-area-inset-top, 0px)); }
}

/* ================= monochrome markers, no emoji ================= */
.call .lab::before { margin-right:7px; font-weight:700; }
.k-red   .lab::before { content:"\25B2"; }   /* triangle  */
.k-hy    .lab::before { content:"\2605"; }   /* star      */
.k-pearl .lab::before { content:"\25C6"; }   /* diamond   */
.k-note  .lab::before { content:"\25CF"; }   /* circle    */
.k-book  .lab::before { content:"\25A0"; }   /* square    */

.offline { display:flex; align-items:center; gap:11px; flex-wrap:wrap; margin:14px 0 0; }
.offline button { font:inherit; font-size:13.5px; font-weight:700; cursor:pointer;
  background:var(--card); color:var(--ink); border:1px solid var(--line);
  border-radius:10px; padding:9px 16px; display:inline-flex; align-items:center; gap:9px; }
.offline button::before { content:"\2193"; font-size:15px; font-weight:800; color:var(--clin); }
.offline button:hover:not(:disabled) { border-color:var(--clin); color:var(--clin); }
.offline button:disabled { opacity:.5; cursor:default; }
.offline button:disabled::before { content:"\2713"; color:var(--tx); }
.offline .msg { font-size:13px; color:var(--dim); }

/* ===================== site search ===================== */
#pmr-fab{position:fixed;right:16px;bottom:18px;z-index:900;width:52px;height:52px;
  border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;
  background:var(--card);color:var(--ink);border:1px solid var(--line);
  box-shadow:0 5px 20px rgba(0,0,0,.35);
  bottom:calc(18px + env(safe-area-inset-bottom,0px));}
#pmr-fab:hover{color:var(--clin);border-color:var(--clin);}
#pmr-fab:active{transform:scale(.94);}

#pmr-overlay{position:fixed;inset:0;z-index:1000;display:none;
  background:rgba(0,0,0,.55);backdrop-filter:blur(4px);}
#pmr-overlay.on{display:block;}
.pmr-panel{max-width:760px;margin:6vh auto 0;background:var(--bg);border:1px solid var(--line);
  border-radius:16px;overflow:hidden;display:flex;flex-direction:column;max-height:84vh;
  box-shadow:0 24px 70px rgba(0,0,0,.5);}
.pmr-bar{display:flex;align-items:center;gap:11px;padding:13px 15px;
  border-bottom:1px solid var(--line);color:var(--dim);}
#pmr-input{flex:1;min-width:0;font:inherit;font-size:16.5px;background:transparent;
  border:none;outline:none;color:var(--ink);}
#pmr-input::-webkit-search-cancel-button{display:none;}
#pmr-close{font:inherit;font-size:11.5px;font-weight:700;letter-spacing:.05em;cursor:pointer;
  background:var(--card2);color:var(--dim);border:1px solid var(--line);
  border-radius:7px;padding:4px 9px;}
#pmr-status{padding:8px 16px;font-size:12.5px;color:var(--dim);
  border-bottom:1px solid var(--line);min-height:14px;}
#pmr-status:empty{display:none;}
#pmr-results{overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;}
.pmr-hit{display:block;padding:12px 16px;border-bottom:1px solid var(--line);
  text-decoration:none;color:var(--ink);}
.pmr-hit:last-child{border-bottom:none;}
.pmr-hit.sel,.pmr-hit:hover{background:var(--card);}
.pmr-h1{font-size:14.6px;font-weight:700;}
.pmr-h2{font-size:12.6px;color:var(--clin);margin:1px 0 5px;font-weight:600;}
.pmr-sn{font-size:13.2px;color:var(--dim);line-height:1.5;}
.pmr-sn mark{background:rgba(251,191,36,.28);color:var(--ink);border-radius:3px;padding:0 2px;}

@media (max-width:700px){
  #pmr-fab{width:48px;height:48px;right:13px;}
  .pmr-panel{margin:0;max-width:none;width:100%;height:100dvh;max-height:none;border-radius:0;border:none;}
  .pmr-bar{padding-top:calc(13px + env(safe-area-inset-top,0px));}
  #pmr-input{font-size:16px;}
  .pmr-hit{padding:12px 14px;}
}

/* ===================== AI chat ===================== */
body.pmr-lock{position:fixed;width:100%;overflow:hidden;}

#pmr-chatfab{position:fixed;right:16px;z-index:900;width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  background:var(--clin);color:#fff;border:none;box-shadow:0 5px 20px rgba(0,0,0,.4);
  bottom:calc(80px + env(safe-area-inset-bottom,0px));}
#pmr-chatfab:active{transform:scale(.94);}

#pmr-chat{position:fixed;inset:0;z-index:1001;display:none;background:rgba(0,0,0,.6);}
#pmr-chat.on{display:block;}
.pmr-cpanel{position:relative;max-width:740px;margin:5vh auto 0;height:86vh;background:var(--bg);
  border:1px solid var(--line);border-radius:16px;overflow:hidden;
  display:flex;flex-direction:column;box-shadow:0 24px 70px rgba(0,0,0,.5);}

.pmr-chead,.pmr-dhead{display:flex;align-items:center;gap:8px;padding:10px 12px;
  border-bottom:1px solid var(--line);flex:0 0 auto;background:var(--bg);}
.pmr-ctitle{flex:1;min-width:0;font-weight:700;font-size:15px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.pmr-chead .ic,.pmr-dhead .ic{flex:0 0 auto;width:34px;height:34px;border-radius:9px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  background:var(--card2);color:var(--dim);border:1px solid var(--line);}
.pmr-chead .ic:hover,.pmr-dhead .ic:hover{color:var(--ink);border-color:var(--clin);}
.pmr-dhead .txt{flex:0 0 auto;font:inherit;font-size:12.5px;font-weight:700;cursor:pointer;
  background:var(--card2);color:var(--clin);border:1px solid var(--line);border-radius:9px;padding:7px 11px;}

#pmr-clog{flex:1 1 auto;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;
  overscroll-behavior:contain;padding:14px 15px;}
.pmr-msg{margin:0 0 13px;font-size:15px;line-height:1.6;}
.pmr-msg p{margin:0 0 8px;} .pmr-msg p:last-child{margin-bottom:0;}
.pmr-msg ul{margin:6px 0;padding-left:19px;} .pmr-msg li{margin:3px 0;}
.pmr-msg code{background:var(--card2);border:1px solid var(--line);border-radius:4px;
  padding:1px 5px;font-size:13px;font-family:ui-monospace,Menlo,monospace;}
.pmr-me{background:var(--card);border:1px solid var(--line);border-radius:14px 14px 4px 14px;
  padding:10px 14px;margin-left:auto;max-width:85%;width:fit-content;}
.pmr-ai{padding:0 2px;}
.pmr-eg{font-size:13px;color:var(--dim);}
.pmr-err{color:var(--red);}
.pmr-src{margin-top:11px;padding-top:9px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:7px;align-items:center;}
.pmr-src span{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);}
.pmr-src a{font-size:12.4px;text-decoration:none;background:var(--card2);color:var(--clin);
  border:1px solid var(--line);border-radius:999px;padding:3px 10px;}

.pmr-dots i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--dim);
  margin-right:4px;animation:pmrb 1.1s infinite;}
.pmr-dots i:nth-child(2){animation-delay:.15s;} .pmr-dots i:nth-child(3){animation-delay:.3s;}
@keyframes pmrb{0%,60%,100%{opacity:.25;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}

.pmr-cbar{flex:0 0 auto;display:flex;gap:9px;align-items:flex-end;padding:10px 12px;
  border-top:1px solid var(--line);background:var(--bg);
  padding-bottom:calc(10px + env(safe-area-inset-bottom,0px));}
#pmr-cin{flex:1 1 auto;min-width:0;font:inherit;font-size:16px;line-height:1.4;resize:none;
  background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:12px;
  padding:11px 13px;outline:none;height:42px;max-height:120px;overflow-y:auto;}
#pmr-cin:focus{border-color:var(--clin);}
#pmr-cin::placeholder{color:var(--dim);}
#pmr-csend{flex:0 0 auto;width:42px;height:42px;border-radius:12px;cursor:pointer;
  background:var(--clin);color:#fff;border:none;display:flex;align-items:center;justify-content:center;}
#pmr-csend:active{transform:scale(.93);}

/* ---- history drawer ---- */
#pmr-drawer{position:absolute;inset:0;background:var(--bg);z-index:5;
  display:flex;flex-direction:column;transform:translateX(-100%);
  transition:transform .18s ease;visibility:hidden;}
#pmr-drawer.on{transform:none;visibility:visible;}
#pmr-dlist{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:10px 12px;}
.pmr-sec{margin-bottom:16px;}
.pmr-sechead{display:flex;align-items:center;gap:8px;padding:5px 3px 8px;
  font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);}
.pmr-sechead span:first-child{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pmr-sechead .n{flex:0 0 auto;background:var(--card2);border-radius:999px;padding:1px 7px;}
.mini{font:inherit;font-size:11px;font-weight:700;cursor:pointer;letter-spacing:0;text-transform:none;
  background:var(--card2);color:var(--dim);border:1px solid var(--line);border-radius:7px;padding:3px 8px;}
.mini:hover{color:var(--clin);border-color:var(--clin);}
.mini.del:hover{color:var(--red);border-color:var(--red);}
.pmr-row{display:flex;align-items:center;gap:8px;padding:9px 10px;margin-bottom:6px;
  background:var(--card);border:1px solid var(--line);border-radius:11px;}
.pmr-row.on{border-color:var(--clin);}
.pmr-open{flex:1 1 auto;min-width:0;text-align:left;background:none;border:none;cursor:pointer;
  color:var(--ink);font:inherit;padding:0;}
.pmr-open .t{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.pmr-open .m{font-size:11.5px;color:var(--dim);margin-top:2px;}
.pmr-acts{flex:0 0 auto;display:flex;gap:5px;}
.pmr-empty{font-size:13px;color:var(--dim);padding:4px 3px 10px;}

@media (max-width:700px){
  #pmr-chatfab{width:48px;height:48px;right:13px;bottom:calc(72px + env(safe-area-inset-bottom,0px));}
  .pmr-cpanel{margin:0;max-width:none;width:100%;height:100dvh;border-radius:0;border:none;}
  .pmr-chead,.pmr-dhead{padding-top:calc(10px + env(safe-area-inset-top,0px));}
  .pmr-msg{font-size:15.2px;}
  .pmr-acts{gap:4px;}
  .mini{padding:4px 7px;}
  .pmr-row{padding:10px;}
}
#pmr-note{display:none;flex:0 0 auto;padding:8px 14px;font-size:12.5px;
  color:var(--mon);background:var(--card);border-bottom:1px solid var(--line);}


/* ===================== quiz ===================== */
#pmr-quizfab{position:fixed;right:16px;z-index:900;width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  background:var(--card);color:var(--clin);border:1px solid var(--line);
  box-shadow:0 5px 20px rgba(0,0,0,.35);
  bottom:calc(142px + env(safe-area-inset-bottom,0px));}
#pmr-quizfab:hover{border-color:var(--clin);}
#pmr-quizfab:active{transform:scale(.94);}

#pmr-quiz{position:fixed;inset:0;z-index:1001;display:none;background:rgba(0,0,0,.6);}
#pmr-quiz.on{display:block;}
#pmr-qbody{flex:1 1 auto;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;
  overscroll-behavior:contain;padding:18px 16px;}
.pmr-qlead{font-size:15px;line-height:1.55;margin:0 0 14px;}
.pmr-qhint{font-size:12.8px;color:var(--dim);margin:12px 0 0;line-height:1.5;}
.pmr-qfrom{font-size:11.5px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;
  color:var(--dim);margin:0 0 9px;}
.pmr-qq{font-size:15.6px;font-weight:600;line-height:1.55;margin:0 0 14px;}
.pmr-qc{display:flex;align-items:flex-start;gap:10px;width:100%;text-align:left;cursor:pointer;
  font:inherit;font-size:14.6px;line-height:1.5;color:var(--ink);
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:11px 13px;margin:0 0 8px;}
.pmr-qc .l{flex:0 0 auto;width:22px;height:22px;border-radius:7px;display:flex;align-items:center;
  justify-content:center;font-size:11.5px;font-weight:800;background:var(--card2);
  color:var(--dim);border:1px solid var(--line);}
.pmr-qc:hover:not(:disabled){border-color:var(--clin);}
.pmr-qc:disabled{cursor:default;opacity:.75;}
.pmr-qc.good{border-color:#34d399;background:rgba(52,211,153,.12);opacity:1;}
.pmr-qc.good .l{background:#34d399;color:#06281c;border-color:#34d399;}
.pmr-qc.bad{border-color:var(--red);background:rgba(248,113,113,.10);opacity:1;}
.pmr-qc.bad .l{background:var(--red);color:#fff;border-color:var(--red);}
.pmr-qwhy{font-size:13.8px;line-height:1.55;color:var(--ink);background:var(--card2);
  border:1px solid var(--line);border-left:3px solid var(--red);border-radius:10px;
  padding:11px 13px;margin:10px 0 14px;}
.pmr-qwhy.good{border-left-color:#34d399;}
.pmr-qbtn{display:block;width:100%;font:inherit;font-size:14.6px;font-weight:700;cursor:pointer;
  background:var(--clin);color:#fff;border:none;border-radius:12px;
  padding:12px 14px;margin:0 0 9px;}
.pmr-qbtn:active{transform:scale(.98);}
.pmr-qbtn.alt{background:var(--card);color:var(--clin);border:1px solid var(--line);}
.pmr-qbtn.alt:hover{border-color:var(--clin);}
.pmr-qscore{font-size:42px;font-weight:800;margin:6px 0 10px;}

@media (max-width:700px){
  #pmr-quizfab{width:48px;height:48px;right:13px;bottom:calc(128px + env(safe-area-inset-bottom,0px));}
}

/* ---- chat section labels (ADHD-friendly answers) ---- */
.pmr-msg .pmr-h3{font-size:11.5px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;
  color:var(--clin);margin:13px 0 6px;}
.pmr-msg .pmr-h3:first-child{margin-top:2px;}

/* ---- answer feedback + excerpt transparency ---- */
.pmr-fb{margin-top:10px;display:flex;align-items:center;gap:7px;}
.pmr-fb span{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);}
.pmr-fb button{width:30px;height:30px;border-radius:9px;cursor:pointer;display:flex;align-items:center;
  justify-content:center;background:var(--card2);color:var(--dim);border:1px solid var(--line);}
.pmr-fb button:hover:not(:disabled){color:var(--clin);border-color:var(--clin);}
.pmr-fb button:disabled{cursor:default;opacity:.45;}
.pmr-fb button.sel{color:var(--clin);border-color:var(--clin);opacity:1;}
.pmr-seen{margin-top:9px;font-size:12.6px;}
.pmr-seen summary{cursor:pointer;color:var(--dim);font-weight:700;font-size:11.5px;
  letter-spacing:.06em;text-transform:uppercase;}
.pmr-seen-x{margin:8px 0;padding:8px 11px;background:var(--card2);border:1px solid var(--line);
  border-radius:9px;}
.pmr-seen-x .h{font-weight:700;font-size:12px;color:var(--clin);margin-bottom:3px;}
.pmr-seen-x .t{color:var(--dim);line-height:1.5;}

/* ---- quiz stats + spaced repetition ---- */
.pmr-qstats{margin-top:16px;border-top:1px solid var(--line);padding-top:12px;}
.pmr-qstats .h{font-size:11.5px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;
  color:var(--dim);margin-bottom:8px;}
.pmr-qstats .r{display:flex;align-items:baseline;justify-content:space-between;gap:10px;
  font-size:13.6px;margin:5px 0;}
.pmr-qstats .d{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pmr-qstats .p{flex:0 0 auto;font-weight:700;color:var(--clin);}
.pmr-qsched{font-size:12.6px;color:var(--dim);margin:0 0 12px;}