/* ============================================================
   QuizNucleus — Columbia Basin College palette (white / light blue)
   ============================================================ */

:root{
  --wash:#EDF4FA;
  --wash-2:#F7FBFD;
  --paper:#FFFFFF;
  --hawk:#3E9BD6;
  --hawk-lt:#8FC6E8;
  --hawk-pale:#DCEDF8;
  --hawk-deep:#1B6FA8;
  --abyss:#0C2C47;
  --ink:#16232F;
  --slate:#5E7387;
  --slate-lt:#8B9CAC;
  --line:#D3E3F0;
  --line-soft:#E6EFF6;
  --right:#12816A;
  --right-bg:#E4F4EF;
  --wrong:#C0392B;
  --wrong-bg:#FBEAE7;
  --amber:#B0761A;
  --amber-bg:#FBF1DF;

  --f-disp:'Space Grotesk',ui-sans-serif,system-ui,sans-serif;
  --f-body:'Source Sans 3',ui-sans-serif,system-ui,-apple-system,sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,'SF Mono',Menlo,monospace;

  --r-s:8px; --r-m:14px; --r-l:20px;
  --sh-1:0 1px 2px rgba(12,44,71,.06), 0 2px 8px rgba(12,44,71,.05);
  --sh-2:0 2px 6px rgba(12,44,71,.07), 0 12px 32px rgba(12,44,71,.09);
  --sh-3:0 18px 48px rgba(12,44,71,.14);
  --ease:cubic-bezier(.22,.8,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--f-body);
  font-size:17px;
  line-height:1.6;
  color:var(--ink);
  background:
    radial-gradient(1100px 620px at 82% -8%, #E2F0FA 0%, rgba(226,240,250,0) 62%),
    radial-gradient(900px 520px at 4% 2%, #F0F7FC 0%, rgba(240,247,252,0) 58%),
    var(--wash);
  background-attachment:fixed;
  min-height:100vh;
}
h1,h2,h3{font-family:var(--f-disp);color:var(--abyss);margin:0;letter-spacing:-.02em;line-height:1.15}
p{margin:0}
button{font:inherit;color:inherit;cursor:pointer}
em{font-style:normal}

.skip{position:absolute;left:-9999px;top:0;background:var(--abyss);color:#fff;padding:12px 18px;z-index:200;border-radius:0 0 var(--r-s) 0}
.skip:focus{left:0}

:focus-visible{outline:3px solid var(--hawk);outline-offset:2px;border-radius:4px}

.shell{width:min(1120px,92vw);margin-inline:auto}
.shell-narrow{width:min(800px,92vw)}

/* ---------------- top bar ---------------- */
.topbar{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:66px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.brand-mark{width:34px;height:34px;display:block;flex:none}
.brand-mark svg{width:100%;height:100%;display:block}
.bm-ring{fill:none;stroke:var(--hawk);stroke-width:3}
.bm-core{fill:var(--abyss)}
.bm-dot{fill:var(--hawk-deep);transform-origin:20px 20px;animation:orbit 14s linear infinite}
@keyframes orbit{to{transform:rotate(360deg)}}
.brand-word{font-family:var(--f-disp);font-weight:700;font-size:1.28rem;color:var(--abyss);letter-spacing:-.03em}
.brand-word em{color:var(--hawk-deep);font-weight:500}

.topbar-meta{display:flex;gap:8px;flex-wrap:wrap}
.stat-chip{
  font-family:var(--f-mono);font-size:.72rem;letter-spacing:.02em;
  color:var(--slate);background:var(--hawk-pale);
  padding:5px 11px;border-radius:100px;white-space:nowrap;
}
.stat-chip b{color:var(--hawk-deep);font-weight:600}

/* ---------------- screens ---------------- */
.screen{display:none;padding:44px 0 80px}
.screen.is-active{display:block;animation:screenIn .45s var(--ease) both}
@keyframes screenIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------------- hero ---------------- */
.hero{max-width:720px;margin-bottom:40px}
.eyebrow{
  font-family:var(--f-mono);font-size:.74rem;font-weight:500;
  text-transform:uppercase;letter-spacing:.15em;color:var(--hawk-deep);margin-bottom:16px;
}
.hero-title{font-size:clamp(2.1rem,5.4vw,3.5rem);font-weight:700;margin-bottom:18px}
.hero-title em{
  color:var(--hawk-deep);position:relative;white-space:nowrap;
}
.hero-title em::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.16em;
  background:var(--hawk-lt);opacity:.5;border-radius:2px;z-index:-1;
  transform:scaleX(0);transform-origin:left;animation:swipe .8s .25s var(--ease) forwards;
}
@keyframes swipe{to{transform:scaleX(1)}}
.hero-sub{font-size:1.12rem;color:var(--slate);max-width:60ch}

.hero-sample{
  margin-top:26px;background:var(--paper);border:1px solid var(--line);
  border-left:3px solid var(--hawk);border-radius:var(--r-m);
  padding:18px 22px;box-shadow:var(--sh-1);
}
.hero-sample p{font-size:1rem;color:var(--ink);line-height:1.8}
.sam{
  display:inline-block;font-family:var(--f-mono);font-size:.9em;font-weight:500;
  padding:1px 9px;border-radius:5px;background:var(--hawk-pale);color:var(--hawk-deep);
  opacity:0;animation:samIn .5s var(--ease) forwards;
}
.sam-a{animation-delay:.6s}
.sam-b{animation-delay:.9s}
.sam-c{animation-delay:1.2s}
@keyframes samIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------------- panel ---------------- */
.panel{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-l);
  padding:30px;box-shadow:var(--sh-2);margin-bottom:44px;
}
.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:20px}
.panel-title{font-size:1.5rem;font-weight:600}
.panel-note{color:var(--slate);font-size:.96rem;margin-top:4px}
.pick-count{
  font-family:var(--f-mono);font-size:.8rem;color:var(--hawk-deep);
  background:var(--hawk-pale);padding:7px 14px;border-radius:100px;white-space:nowrap;flex:none;
}

.topic-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.tool-div{width:1px;height:20px;background:var(--line);margin:0 4px}

.topic-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(198px,1fr));
  gap:11px;margin-bottom:30px;
}
.tcard{
  position:relative;text-align:left;background:var(--wash-2);
  border:1.5px solid var(--line);border-radius:var(--r-m);
  padding:15px 15px 13px;transition:all .2s var(--ease);overflow:hidden;
  display:flex;align-items:flex-start;gap:11px;
}
.tcard::before{
  content:"";position:absolute;inset:0;background:var(--hawk);
  opacity:0;transition:opacity .2s var(--ease);
}
.tcard>*{position:relative}
.tcard:hover{border-color:var(--hawk-lt);transform:translateY(-2px);box-shadow:var(--sh-1)}
.tcard.on{border-color:var(--hawk-deep);background:var(--hawk-pale);box-shadow:0 0 0 1px var(--hawk-deep)}
.tcard-ico{
  flex:0 0 auto;width:31px;height:31px;border-radius:9px;margin-top:1px;
  background:#fff;border:1.5px solid var(--line);color:var(--hawk-deep);
  display:grid;place-items:center;transition:all .2s var(--ease);
}
.tcard-ico svg{width:19px;height:19px;fill:none;stroke:currentColor;
  stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.tcard.on .tcard-ico{background:var(--hawk-deep);border-color:var(--hawk-deep);color:#fff}
.tcard-txt{display:block;min-width:0;flex:1 1 auto}
.tcard-name{display:block;font-family:var(--f-disp);font-weight:600;font-size:1rem;color:var(--abyss);line-height:1.3;margin-bottom:6px;padding-right:24px}
.tcard-meta{display:block;font-family:var(--f-mono);font-size:.7rem;color:var(--slate-lt);letter-spacing:.02em;line-height:1.35}
.tcard.on .tcard-meta{color:var(--hawk-deep)}
.tcard-tick{
  position:absolute;top:13px;right:13px;width:19px;height:19px;border-radius:50%;
  border:1.5px solid var(--line);background:#fff;
  display:grid;place-items:center;transition:all .2s var(--ease);
}
.tcard.on .tcard-tick{background:var(--hawk-deep);border-color:var(--hawk-deep);transform:scale(1.06)}
.tcard-tick svg{width:11px;height:11px;stroke:#fff;stroke-width:3;fill:none;
  stroke-dasharray:16;stroke-dashoffset:16;transition:stroke-dashoffset .25s var(--ease) .05s}
.tcard.on .tcard-tick svg{stroke-dashoffset:0}
.tcard.dim{opacity:.42}
.tcard.dim .tcard-name{color:var(--slate)}

/* ---------------- options ---------------- */
.opts{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));
  gap:22px;padding:24px 0 4px;border-top:1px solid var(--line-soft);
}
.opt{border:0;padding:0;margin:0;min-width:0}
.opt legend{
  font-family:var(--f-mono);font-size:.72rem;text-transform:uppercase;
  letter-spacing:.12em;color:var(--slate);padding:0;margin-bottom:11px;
}
.legend-val{color:var(--hawk-deep);text-transform:none;letter-spacing:0;margin-left:5px}
.opt-note{font-size:.82rem;color:var(--slate-lt);margin-top:9px;line-height:1.45}

.seg{display:flex;background:var(--wash);border:1px solid var(--line);border-radius:10px;padding:3px;gap:3px}
.seg button{
  flex:1;border:0;background:transparent;border-radius:7px;padding:8px 6px;
  font-family:var(--f-disp);font-size:.86rem;font-weight:500;color:var(--slate);
  transition:all .18s var(--ease);white-space:nowrap;
}
.seg button:hover{color:var(--abyss)}
.seg button.on{background:var(--paper);color:var(--hawk-deep);font-weight:600;box-shadow:var(--sh-1)}

.range-pair{display:flex;flex-direction:column;gap:9px}
input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:5px;border-radius:100px;
  background:var(--line);outline:none;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:19px;height:19px;border-radius:50%;
  background:var(--paper);border:2.5px solid var(--hawk-deep);cursor:pointer;
  box-shadow:var(--sh-1);transition:transform .15s var(--ease);
}
input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}
input[type=range]::-moz-range-thumb{
  width:19px;height:19px;border-radius:50%;background:var(--paper);
  border:2.5px solid var(--hawk-deep);cursor:pointer;box-shadow:var(--sh-1);
}

/* ---------------- launch ---------------- */
.launch{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:26px;padding-top:22px;border-top:1px solid var(--line-soft);
}
.launch-read{font-size:.97rem;color:var(--slate)}
.launch-read b{color:var(--hawk-deep);font-family:var(--f-mono);font-size:.95em}

.primary-btn{
  border:0;background:var(--hawk-deep);color:#fff;
  font-family:var(--f-disp);font-weight:600;font-size:1rem;letter-spacing:-.01em;
  padding:13px 28px;border-radius:10px;box-shadow:var(--sh-1);
  transition:all .18s var(--ease);
}
.primary-btn:hover:not(:disabled){background:var(--abyss);transform:translateY(-1px);box-shadow:var(--sh-2)}
.primary-btn:active:not(:disabled){transform:translateY(0)}
.primary-btn:disabled{background:var(--line);color:var(--slate-lt);cursor:not-allowed;box-shadow:none}
.next-btn{background:var(--right)}
.next-btn:hover{background:#0C6A56}

.ghost-btn{
  border:1.5px solid var(--line);background:var(--paper);color:var(--slate);
  font-family:var(--f-disp);font-weight:500;font-size:.88rem;
  padding:9px 17px;border-radius:9px;transition:all .18s var(--ease);
}
.ghost-btn:hover{border-color:var(--hawk);color:var(--hawk-deep);background:var(--wash-2)}
.ghost-btn.danger:hover{border-color:var(--wrong);color:var(--wrong);background:var(--wrong-bg)}
.ghost-btn.is-on{border-color:var(--hawk-deep);color:var(--hawk-deep);background:var(--hawk-pale)}

/* ---------------- bank summary ---------------- */
.bank-title{font-size:1.18rem;font-weight:600;margin-bottom:16px}
.bank-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:10px}
.bank-cell{
  background:var(--paper);border:1px solid var(--line-soft);border-radius:var(--r-s);
  padding:13px 15px;
}
.bank-cell-name{font-family:var(--f-disp);font-size:.86rem;font-weight:600;color:var(--abyss);margin-bottom:8px;line-height:1.25}
.bank-bar{height:5px;border-radius:100px;background:var(--wash);overflow:hidden;display:flex;margin-bottom:7px}
.bank-bar span{display:block;height:100%}
.bb-teas{background:var(--hawk-lt)}
.bb-mcat{background:var(--abyss)}
.bank-cell-meta{font-family:var(--f-mono);font-size:.68rem;color:var(--slate-lt);display:flex;justify-content:space-between}

/* ============================ QUIZ ============================ */
.qbar{
  display:flex;align-items:center;gap:15px;margin-bottom:20px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-m);
  padding:13px 18px;box-shadow:var(--sh-1);
}
.nucleus{width:42px;height:42px;flex:none}
.nucleus svg{width:100%;height:100%;transform:rotate(-90deg)}
.nu-track{fill:none;stroke:var(--line);stroke-width:4}
.nu-arc{
  fill:none;stroke:var(--hawk-deep);stroke-width:4;stroke-linecap:round;
  stroke-dasharray:113.1;stroke-dashoffset:113.1;
  transition:stroke-dashoffset .55s var(--ease);
}
.nu-core{fill:var(--hawk-pale)}
.qbar-text{flex:1;min-width:0}
.qbar-pos{font-family:var(--f-mono);font-size:.95rem;font-weight:600;color:var(--abyss)}
.qbar-pos .of{color:var(--slate-lt);font-weight:400}
.qbar-topic{font-size:.85rem;color:var(--slate);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qbar-right{display:flex;align-items:center;gap:16px;flex:none}
.run-stat{text-align:center;line-height:1.15}
.run-stat b{display:block;font-family:var(--f-mono);font-size:1.02rem;font-weight:600;color:var(--hawk-deep)}
.run-stat span{font-size:.66rem;text-transform:uppercase;letter-spacing:.08em;color:var(--slate-lt)}
.quit-btn{
  border:1.5px solid var(--line);background:transparent;color:var(--slate);
  font-family:var(--f-disp);font-size:.8rem;font-weight:500;padding:6px 13px;border-radius:8px;
  transition:all .18s var(--ease);
}
.quit-btn:hover{border-color:var(--wrong);color:var(--wrong)}

.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-l);
  padding:30px;box-shadow:var(--sh-2);
}
.card.enter{animation:cardIn .4s var(--ease) both}
@keyframes cardIn{from{opacity:0;transform:translateY(16px) scale(.995)}to{opacity:1;transform:none}}

.card-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.tag{
  font-family:var(--f-mono);font-size:.7rem;font-weight:500;letter-spacing:.02em;
  padding:4px 11px;border-radius:100px;
}
.tag-topic{background:var(--hawk-pale);color:var(--hawk-deep)}
.tag-exam{background:var(--abyss);color:#fff}
.tag-exam.teas{background:var(--hawk);color:#fff}
.tag-diff{background:var(--wash);color:var(--slate);border:1px solid var(--line-soft)}
.tag-diff b{color:var(--abyss);font-weight:600}

/* ------- the stem with inline blanks (signature) ------- */
.stem{font-size:1.16rem;line-height:2.5;color:var(--ink);margin-bottom:24px}
.blank-wrap{display:inline-flex;flex-direction:column;vertical-align:baseline;margin:0 2px;position:relative}
.blank{
  font-family:var(--f-mono);font-size:.94rem;font-weight:500;
  border:0;border-bottom:2px solid var(--hawk);border-radius:5px 5px 0 0;
  background:var(--hawk-pale);color:var(--abyss);
  padding:3px 10px;min-width:96px;max-width:100%;
  transition:all .2s var(--ease);text-align:center;
}
.blank::placeholder{color:var(--hawk);opacity:.65;font-size:.85rem}
.blank:focus{outline:none;background:#fff;border-bottom-color:var(--abyss);box-shadow:0 3px 0 -1px var(--abyss),0 0 0 3px rgba(62,155,214,.22)}
.blank:disabled{opacity:1;cursor:default}
.blank.ok{background:var(--right-bg);border-bottom-color:var(--right);color:var(--right)}
.blank.bad{background:var(--wrong-bg);border-bottom-color:var(--wrong);color:var(--wrong);animation:shake .34s var(--ease)}
.blank.given{background:var(--amber-bg);border-bottom-color:var(--amber);color:var(--amber)}
@keyframes shake{
  10%,90%{transform:translateX(-1.5px)} 20%,80%{transform:translateX(3px)}
  30%,50%,70%{transform:translateX(-5px)} 40%,60%{transform:translateX(5px)}
}
.blank-lab{
  font-family:var(--f-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;
  color:var(--slate-lt);text-align:center;margin-top:6px;line-height:1.15;
  max-width:264px;
}

/* ------- spelling help dropdown ------- */
.sugg{
  position:absolute;top:100%;left:0;z-index:40;margin-top:5px;
  min-width:max(100%,190px);max-width:290px;max-height:216px;overflow-y:auto;
  background:var(--paper);border:1px solid var(--line);border-radius:10px;
  box-shadow:var(--sh-3);padding:4px;list-style:none;
  animation:suggIn .16s var(--ease) both;
}
@keyframes suggIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.sugg-head{
  font-family:var(--f-mono);font-size:.6rem;text-transform:uppercase;letter-spacing:.1em;
  color:var(--slate-lt);padding:5px 9px 6px;border-bottom:1px solid var(--line-soft);margin-bottom:4px;
}
.sugg li{
  font-family:var(--f-mono);font-size:.84rem;color:var(--ink);
  padding:6px 10px;border-radius:6px;cursor:pointer;line-height:1.3;
  text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.sugg li b{color:var(--hawk-deep);font-weight:600}
.sugg li:hover,.sugg li.active{background:var(--hawk-pale)}
.sugg li.active{box-shadow:inset 0 0 0 1px var(--hawk)}
.sugg-foot{
  font-family:var(--f-body);font-size:.68rem;color:var(--slate-lt);
  padding:6px 9px 3px;border-top:1px solid var(--line-soft);margin-top:4px;
  white-space:normal;line-height:1.35;
}

/* ------- hints ------- */
.hintbox{
  background:var(--amber-bg);border:1px solid #EBD7AE;border-radius:var(--r-m);
  padding:16px 18px;margin-bottom:22px;animation:popIn .3s var(--ease) both;
}
@keyframes popIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.hint-lede{font-size:.84rem;color:var(--amber);margin-bottom:11px;font-weight:600}
.hint-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:7px}
.hint-list li{
  font-family:var(--f-mono);font-size:.82rem;background:var(--paper);
  border:1px solid #E5D2AC;color:var(--ink);padding:5px 12px;border-radius:100px;
}

/* ------- verdict ------- */
.verdict{margin-bottom:22px;animation:popIn .34s var(--ease) both}
.verdict-head{
  font-family:var(--f-disp);font-weight:600;font-size:1.06rem;
  padding:13px 17px;border-radius:var(--r-s);margin-bottom:14px;
  display:flex;align-items:center;gap:10px;
}
.verdict-head.all-ok{background:var(--right-bg);color:var(--right)}
.verdict-head.some{background:var(--amber-bg);color:var(--amber)}
.verdict-head.none-ok{background:var(--wrong-bg);color:var(--wrong)}
.verdict-head svg{width:20px;height:20px;flex:none}

.blank-report{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:9px}
.blank-report li{
  display:flex;gap:11px;align-items:flex-start;
  padding:11px 14px;border-radius:var(--r-s);background:var(--wash-2);
  border-left:3px solid var(--line);font-size:.93rem;
}
.blank-report li.ok{border-left-color:var(--right)}
.blank-report li.bad{border-left-color:var(--wrong)}
.blank-report li.given{border-left-color:var(--amber)}
.br-num{
  font-family:var(--f-mono);font-size:.72rem;font-weight:600;color:var(--slate);
  background:var(--paper);border:1px solid var(--line);border-radius:5px;
  padding:2px 7px;flex:none;margin-top:1px;
}
.br-body{flex:1;min-width:0}
.br-line{margin-bottom:3px}
.br-you{font-family:var(--f-mono);font-size:.88em;color:var(--wrong);text-decoration:line-through;text-decoration-thickness:1px}
.br-ans{font-family:var(--f-mono);font-size:.88em;color:var(--right);font-weight:500}
.br-alt{font-size:.83rem;color:var(--slate-lt);margin-top:2px}
.br-note{
  font-size:.87rem;color:var(--amber);margin-top:5px;padding-top:5px;
  border-top:1px dashed #E5D2AC;line-height:1.5;
}

.explain{background:var(--wash-2);border:1px solid var(--line-soft);border-radius:var(--r-m);padding:17px 19px}
.explain h3{
  font-family:var(--f-mono);font-size:.7rem;font-weight:600;text-transform:uppercase;
  letter-spacing:.13em;color:var(--hawk-deep);margin-bottom:9px;
}
.explain p{font-size:.98rem;line-height:1.68;color:var(--ink)}

.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding-top:20px;border-top:1px solid var(--line-soft)}

/* ============================ RESULTS ============================ */
.done-head{max-width:640px;margin-bottom:32px}
.done-title{font-size:clamp(1.9rem,4.6vw,2.9rem);font-weight:700;margin-bottom:12px}
.done-sub{font-size:1.06rem;color:var(--slate)}

.score-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));gap:12px;margin-bottom:32px}
.score-cell{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-m);
  padding:20px;box-shadow:var(--sh-1);
}
.score-val{font-family:var(--f-mono);font-size:2.05rem;font-weight:600;color:var(--hawk-deep);line-height:1;margin-bottom:7px}
.score-val.accent{color:var(--abyss)}
.score-lab{font-size:.8rem;color:var(--slate);text-transform:uppercase;letter-spacing:.06em}
.score-sub{font-size:.78rem;color:var(--slate-lt);margin-top:4px;font-family:var(--f-mono)}

.result-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:34px}
.res-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-l);padding:24px;box-shadow:var(--sh-1)}
.res-title{font-size:1.06rem;font-weight:600;margin-bottom:16px}
.res-title-b{margin-top:26px;padding-top:20px;border-top:1px solid var(--line-soft)}

.bar-row{margin-bottom:13px}
.bar-top{display:flex;justify-content:space-between;font-size:.86rem;margin-bottom:5px;gap:10px}
.bar-name{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-num{font-family:var(--f-mono);font-size:.8rem;color:var(--slate);flex:none}
.bar-track{height:7px;background:var(--wash);border-radius:100px;overflow:hidden}
.bar-fill{height:100%;border-radius:100px;background:var(--hawk);width:0;transition:width .85s var(--ease)}
.bar-fill.hi{background:var(--right)}
.bar-fill.lo{background:var(--wrong)}

.miss-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;max-height:290px;overflow-y:auto}
.miss-list li{font-size:.88rem;padding:10px 13px;background:var(--wash-2);border-radius:var(--r-s);border-left:3px solid var(--wrong)}
.miss-q{font-family:var(--f-mono);font-size:.7rem;color:var(--slate-lt);display:block;margin-bottom:3px}
.miss-a{font-family:var(--f-mono);font-size:.88em;color:var(--right);font-weight:500}
.miss-none{color:var(--slate-lt);font-size:.9rem;font-style:italic}

.done-actions{display:flex;gap:11px;flex-wrap:wrap}

/* ---------------- footer ---------------- */
.foot{border-top:1px solid var(--line-soft);background:rgba(255,255,255,.6);padding:26px 0 34px;margin-top:20px}
.foot-in p{font-size:.83rem;color:var(--slate);max-width:78ch;line-height:1.6}
.foot-thin{margin-top:6px;color:var(--slate-lt)}
.foot strong{color:var(--abyss)}

/* ---------------- responsive ---------------- */
@media (max-width:820px){
  .result-cols{grid-template-columns:1fr}
  .topbar-meta{display:none}
  .panel,.card,.res-card{padding:22px 19px}
  body{font-size:16px}
  .stem{font-size:1.06rem;line-height:2.4}
}
@media (max-width:560px){
  .screen{padding:30px 0 60px}
  .topic-grid{grid-template-columns:1fr 1fr;gap:9px}
  .tcard{padding:12px;gap:9px}
  .tcard-ico{width:27px;height:27px;border-radius:8px}
  .tcard-ico svg{width:17px;height:17px}
  .tcard-name{font-size:.88rem;padding-right:20px}
  .tcard-meta{font-size:.64rem}
  .qbar{padding:11px 13px;gap:11px}
  .qbar-right{gap:11px}
  .run-stat b{font-size:.92rem}
  .actions .primary-btn,.actions .ghost-btn{flex:1;min-width:132px;text-align:center}
  .launch{flex-direction:column;align-items:stretch}
  .launch .primary-btn{width:100%}
  .blank{min-width:78px}
}

/* ---------------- reduced motion ---------------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important;
  }
  .hero-title em::after{transform:scaleX(1)}
  .sam{opacity:1}
  .tcard:hover,.primary-btn:hover{transform:none}
}

/* ---- saved progress ---- */
.resume-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin:0 0 22px;padding:16px 20px;border-radius:var(--r-m);
  background:var(--wash-2);border:1.5px solid var(--hawk);
}
.resume-txt{display:flex;flex-direction:column;gap:3px}
.resume-txt strong{font-family:var(--f-disp);font-size:1rem;color:var(--abyss)}
.resume-txt span{font-size:.92rem;color:var(--slate)}
.resume-acts{display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.prog-panel{margin-bottom:26px}
.prog-readout{font-size:.98rem;color:var(--slate);margin:2px 0 16px}
.prog-acts{display:flex;gap:10px;flex-wrap:wrap}
.prog-acts button:disabled{opacity:.45;cursor:not-allowed}
@media (max-width:560px){
  .resume-bar{padding:14px}
  .resume-acts,.prog-acts{width:100%}
  .resume-acts button,.prog-acts button{flex:1 1 auto}
}

/* ---- points per minute meter ---- */
.ppm{margin:0 0 16px}
.ppm-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:6px}
.ppm-lab{font-size:.68rem;text-transform:uppercase;letter-spacing:.09em;color:var(--slate-lt)}
.ppm-num b{font-family:var(--f-mono);font-size:1.05rem;font-weight:600;color:var(--hawk-deep)}
.ppm-track{
  position:relative;height:9px;border-radius:99px;overflow:hidden;
  background:var(--wash-2);border:1px solid var(--line);
}
.ppm-fill{
  height:100%;border-radius:99px;width:0;
  transition:width .6s var(--ease),background .6s var(--ease);
}
.ppm-fill.cool{background:var(--hawk)}
.ppm-fill.warm{background:var(--hawk-deep)}
.ppm-fill.hot{background:linear-gradient(90deg,var(--hawk-deep),#E4863B)}
.ppm-best{
  position:absolute;top:-2px;width:2px;height:13px;border-radius:2px;
  background:var(--abyss);opacity:.55;transform:translateX(-1px);
}
.verdict-pts{
  margin-left:auto;flex:0 0 auto;font-family:var(--f-mono);font-size:.86rem;
  font-weight:600;white-space:nowrap;
}
.verdict-pts em{font-style:normal;opacity:.6;font-weight:400}
.verdict-pts.zero{opacity:.5}
@media (max-width:560px){
  .ppm{margin-bottom:12px}
  .verdict-pts{font-size:.78rem}
}