/* The Big Bang Theory Master Quiz  styles.css (comic-book / Caltech vibe) */
:root {
  --bbt-blue:#2f6fb0; --bbt-teal:#1fb6c1; --bbt-red:#e23b3b; --bbt-yellow:#ffd23f;
  --bbt-orange:#ff7a3d; --bbt-green:#4caf50; --bbt-purple:#8e6bd0; --bbt-pink:#ff5d8f;
  --bg:#0e1524; --surface-1:#131c2e; --surface-2:#182338; --surface-3:#20304c;
  --line:rgba(255,210,63,.25); --line-soft:rgba(255,255,255,.09);
  --text:#eef3ff; --text-dim:#9fb0cc;
  --glow-yellow:0 0 16px rgba(255,210,63,.5),0 0 34px rgba(255,210,63,.18);
  --glow-teal:0 0 16px rgba(31,182,193,.5),0 0 34px rgba(31,182,193,.18);
  --glow-red:0 0 16px rgba(226,59,59,.55),0 0 34px rgba(226,59,59,.2);
  --radius:10px; --radius-sm:6px; --focus-ring:0 0 0 3px rgba(255,210,63,.55);
  --font-display:'Bangers','Luckiest Guy',system-ui,cursive;
  --font-body:'Nunito',system-ui,sans-serif;
  --fs-xs:clamp(.68rem,.62rem + .3vw,.78rem);
  --fs-sm:clamp(.82rem,.77rem + .3vw,.92rem);
  --fs-md:clamp(.98rem,.92rem + .4vw,1.12rem);
  --fs-lg:clamp(1.25rem,1rem + 1.4vw,1.7rem);
  --fs-xl:clamp(1.7rem,1.15rem + 3vw,3rem);
  --fs-hero:clamp(2.6rem,1.5rem + 6vw,4.6rem);
}
*,*::before,*::after{box-sizing:border-box}*{margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);min-height:100dvh;overflow-x:hidden;position:relative;line-height:1.5}
img,svg{max-width:100%;display:block}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--bbt-yellow);outline-offset:2px;border-radius:4px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:8px;top:-60px;background:var(--bbt-yellow);color:#111;padding:10px 16px;border-radius:var(--radius-sm);font-family:var(--font-display);letter-spacing:.04em;z-index:3000;transition:top .2s ease}
.skip-link:focus{top:8px}
#starfield{position:fixed;inset:0;z-index:0;pointer-events:none}
/* comic dot / halftone background */
body::before{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(circle at 18% 22%,rgba(31,182,193,.10) 0,transparent 45%),
  radial-gradient(circle at 82% 15%,rgba(255,122,61,.10) 0,transparent 42%),
  radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);background-size:auto,auto,22px 22px;background-color:var(--bg)}
.app-shell{position:relative;z-index:1;width:min(100% - 2rem,62rem);margin-inline:auto;padding-block:1rem 4rem}
.logo{padding:.5rem 0 .25rem;text-align:center}
.logo__pow{display:inline-block;background:var(--bbt-yellow);color:#111;font-family:var(--font-display);
  font-size:var(--fs-xl);letter-spacing:.02em;padding:.15em .5em;border-radius:14px;transform:rotate(-2deg);
  border:4px solid #111;box-shadow:6px 6px 0 rgba(0,0,0,.55),var(--glow-yellow);line-height:1}
.logo__sub{font-family:var(--font-display);font-size:var(--fs-sm);letter-spacing:.14em;color:var(--bbt-teal);text-transform:uppercase;margin-top:.6rem}
.header-tools{display:flex;gap:.5rem;align-items:center;justify-content:center;margin-top:.5rem}
.screen{display:none}
.screen.is-active{display:block;animation:popIn .4s cubic-bezier(.2,1.2,.4,1)}
@keyframes popIn{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
.panel{background:var(--surface-2);border:3px solid #111;border-radius:var(--radius);padding:clamp(1rem,.7rem + 1.4vw,1.6rem);margin-bottom:1.25rem;position:relative;box-shadow:5px 5px 0 rgba(0,0,0,.5)}
.panel__title{font-family:var(--font-display);font-size:var(--fs-lg);letter-spacing:.03em;color:var(--bbt-yellow);text-transform:uppercase;margin-bottom:1rem;display:flex;align-items:center;gap:.6rem}
.panel__title::after{content:'';flex:1;height:3px;background:repeating-linear-gradient(90deg,var(--bbt-yellow),var(--bbt-yellow) 8px,transparent 8px,transparent 16px)}
.panel--admin{border-color:var(--bbt-red)}
.panel--admin .panel__title{color:var(--bbt-red)}
.btn{font-family:var(--font-display);font-size:var(--fs-sm);letter-spacing:.04em;text-transform:uppercase;border:3px solid #111;border-radius:var(--radius-sm);padding:.8rem 1.4rem;transition:transform .1s ease,box-shadow .15s ease,background .2s ease,color .2s ease;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:46px;box-shadow:3px 3px 0 rgba(0,0,0,.55)}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 rgba(0,0,0,.55)}
.btn--gold{background:var(--bbt-yellow);color:#111}
.btn--gold:hover{background:#ffdf66;box-shadow:5px 5px 0 rgba(0,0,0,.55),var(--glow-yellow);transform:translateY(-1px)}
.btn--gold:hover{background:#ffdf66}
.btn--gold:disabled{background:#37425c;color:#7d8bab;cursor:not-allowed;box-shadow:3px 3px 0 rgba(0,0,0,.4)}
.btn--outline{background:var(--surface-3);color:var(--bbt-teal)}
.btn--outline:hover{color:#fff;background:#26385a}
.btn--danger{background:var(--bbt-red);color:#fff}
.btn--danger:hover{box-shadow:5px 5px 0 rgba(0,0,0,.55),var(--glow-red)}
.btn--block{width:100%}.btn--icon{padding:.6rem .8rem}
.lb-tabs{display:flex;gap:.5rem;margin-bottom:1.1rem}
.lb-tab{flex:1;padding:.7rem .4rem;text-align:center;font-family:var(--font-display);font-size:var(--fs-sm);letter-spacing:.04em;text-transform:uppercase;background:var(--surface-3);border:3px solid #111;color:var(--text-dim);transition:background .2s,color .2s,transform .1s;min-height:46px;border-radius:var(--radius-sm);box-shadow:3px 3px 0 rgba(0,0,0,.5)}
.lb-tab[aria-selected="true"]{background:var(--bbt-teal);color:#08202a}
.lb-tab:hover:not([aria-selected="true"]){background:#26385a;color:#fff}
.lb-table-wrap{width:100%}
.lb-table{width:100%;border-collapse:collapse;font-size:var(--fs-sm)}
.lb-table th{font-family:var(--font-display);font-size:var(--fs-sm);letter-spacing:.04em;color:var(--bbt-teal);padding:.5rem .4rem;text-align:left;border-bottom:2px solid var(--line);text-transform:uppercase}
.lb-table td{padding:.55rem .4rem;border-bottom:1px solid var(--line-soft);vertical-align:middle}
.lb-table .col-name{font-weight:800}
.lb-table .col-score{font-family:var(--font-display);color:var(--bbt-yellow)}
.lb-rank-1 .col-name{color:var(--bbt-yellow)}.lb-rank-2 .col-name{color:#cdd7f0}.lb-rank-3 .col-name{color:var(--bbt-orange)}
.rank-badge{font-family:var(--font-display);font-size:var(--fs-xs);padding:.15rem .5rem;border-radius:6px;white-space:nowrap;background:rgba(47,111,176,.2);color:#9fc6ff;border:2px solid rgba(47,111,176,.5)}
.rank-badge--sith{background:rgba(255,93,143,.18);color:#ff9cc0;border-color:rgba(255,93,143,.5)}
.streak-badge{display:inline-flex;align-items:center;gap:.25rem;color:var(--bbt-orange);font-size:var(--fs-xs)}
@media (max-width:30rem){
  .lb-table thead{display:none}
  .lb-table,.lb-table tbody,.lb-table tr,.lb-table td{display:block;width:100%}
  .lb-table tr{border:3px solid #111;border-radius:var(--radius-sm);padding:.6rem .75rem;margin-bottom:.55rem;display:grid;grid-template-columns:auto 1fr;gap:.2rem .6rem;box-shadow:3px 3px 0 rgba(0,0,0,.5)}
  .lb-table td{border:none;padding:.15rem 0}
  .lb-table td::before{content:attr(data-label) ' ';font-family:var(--font-display);font-size:.68rem;letter-spacing:.02em;color:var(--text-dim);text-transform:uppercase;margin-right:.4rem}
  .lb-table .col-rankpos{grid-column:1}.lb-table .col-name{grid-column:2}
}
.field{margin-bottom:1.25rem}
.field__label{font-family:var(--font-display);font-size:var(--fs-sm);letter-spacing:.04em;color:var(--bbt-teal);display:block;margin-bottom:.5rem;text-transform:uppercase}
.field__input{width:100%;background:#0b1220;border:3px solid #111;border-radius:var(--radius-sm);padding:.8rem 1rem;color:var(--text);font-family:var(--font-body);font-size:var(--fs-md);outline:none;transition:border-color .2s,box-shadow .2s}
.field__input:focus{border-color:var(--bbt-yellow);box-shadow:var(--focus-ring)}
.field__input::placeholder{color:var(--text-dim)}
.choice-grid{display:grid;gap:1rem;grid-template-columns:1fr}
.choice-grid--align{grid-template-columns:1fr 1fr}
.choice-grid--diff{grid-template-columns:1fr}
.choice{border:3px solid #111;border-radius:var(--radius);padding:1.1rem;text-align:center;background:var(--surface-3);color:inherit;width:100%;transition:transform .1s,box-shadow .15s,background .2s;box-shadow:4px 4px 0 rgba(0,0,0,.5)}
.choice:hover{transform:translateY(-2px)}
.choice__icon{font-size:2rem;display:block;margin-bottom:.4rem}
.choice__name{font-family:var(--font-display);letter-spacing:.03em;font-size:var(--fs-md);text-transform:uppercase}
.choice__desc{font-size:var(--fs-xs);color:var(--text-dim);margin-top:.35rem;line-height:1.45}
.choice--jedi:hover,.choice--jedi[aria-pressed="true"]{background:#123a4a;box-shadow:4px 4px 0 rgba(0,0,0,.5),var(--glow-teal)}
.choice--jedi .choice__name{color:var(--bbt-teal)}
.choice--sith:hover,.choice--sith[aria-pressed="true"]{background:#3a1430;box-shadow:4px 4px 0 rgba(0,0,0,.5),0 0 16px rgba(255,93,143,.4)}
.choice--sith .choice__name{color:var(--bbt-pink)}
.choice--easy:hover,.choice--easy[aria-pressed="true"]{background:#153a1c;box-shadow:4px 4px 0 rgba(0,0,0,.5),0 0 16px rgba(76,175,80,.35)}
.choice--easy .choice__name{color:var(--bbt-green)}
.choice--medium:hover,.choice--medium[aria-pressed="true"]{background:#3a3410;box-shadow:4px 4px 0 rgba(0,0,0,.5),var(--glow-yellow)}
.choice--medium .choice__name{color:var(--bbt-yellow)}
.choice--hard:hover,.choice--hard[aria-pressed="true"]{background:#3a1616;box-shadow:4px 4px 0 rgba(0,0,0,.5),var(--glow-red)}
.choice--hard .choice__name{color:var(--bbt-red)}
@media (min-width:34rem){.choice-grid--diff{grid-template-columns:repeat(3,1fr)}}
.quiz-top{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:.75rem;margin-bottom:1.1rem}
.quiz-top__counter{font-family:var(--font-display);font-size:var(--fs-lg);color:var(--bbt-yellow);text-align:center}
.quiz-top__score{text-align:right}
.quiz-top__score .val{font-family:var(--font-display);font-size:var(--fs-lg);color:var(--bbt-yellow)}
.diff-badge{font-family:var(--font-display);font-size:var(--fs-xs);letter-spacing:.04em;padding:.25rem .6rem;border-radius:6px;text-transform:uppercase;border:2px solid #111}
.diff-badge--easy{background:rgba(76,175,80,.2);color:var(--bbt-green)}
.diff-badge--medium{background:rgba(255,210,63,.18);color:var(--bbt-yellow)}
.diff-badge--hard{background:rgba(226,59,59,.18);color:#ff8a8a}
.progress{height:10px;background:#0b1220;border:2px solid #111;border-radius:999px;overflow:hidden;margin-bottom:1.1rem}
.progress__fill{height:100%;width:0;background:linear-gradient(90deg,var(--bbt-teal),var(--bbt-yellow));transition:width .4s ease}
.streak{text-align:center;margin-bottom:.9rem;font-family:var(--font-display);font-size:var(--fs-sm);letter-spacing:.03em}
.streak__fire{color:var(--bbt-orange)}
.timer{display:flex;align-items:center;justify-content:center;gap:.5rem;margin-bottom:1.1rem}
.timer__circle{width:58px;height:58px;border-radius:50%;border:3px solid var(--bbt-yellow);display:grid;place-items:center;font-family:var(--font-display);font-size:var(--fs-lg);color:var(--bbt-yellow);background:#0b1220;box-shadow:3px 3px 0 rgba(0,0,0,.5)}
.timer__circle.is-warning{border-color:var(--bbt-red);color:var(--bbt-red);animation:buzz .5s ease infinite alternate}
@keyframes buzz{to{box-shadow:3px 3px 0 rgba(0,0,0,.5),var(--glow-red)}}
.question{font-size:var(--fs-md);line-height:1.6;color:var(--text);margin-bottom:1.25rem;padding:1.1rem;background:#0b1220;border:3px solid #111;border-left:8px solid var(--bbt-teal);border-radius:var(--radius-sm)}
.answers{display:grid;grid-template-columns:1fr;gap:.75rem;margin-bottom:1.1rem}
@media (min-width:34rem){.answers{grid-template-columns:1fr 1fr}}
.answer{padding:.9rem 1.1rem;text-align:left;background:var(--surface-3);border:3px solid #111;border-radius:var(--radius-sm);color:var(--text);font-family:var(--font-body);font-weight:700;font-size:var(--fs-sm);line-height:1.4;position:relative;min-height:46px;transition:transform .1s,box-shadow .15s,background .18s;display:flex;align-items:center;gap:.6rem;box-shadow:3px 3px 0 rgba(0,0,0,.5)}
.answer:hover:not(:disabled){transform:translateY(-2px);background:#26385a}
.answer__marker{font-family:var(--font-display);font-size:var(--fs-xs);opacity:0;margin-left:auto}
.answer.is-correct{background:#173e1e!important;border-color:var(--bbt-green)!important;color:#a7e3ab!important;animation:pop .35s ease}
.answer.is-wrong{background:#3a1616!important;border-color:var(--bbt-red)!important;color:#ff9c9c!important}
.answer.is-correct .answer__marker{opacity:1}
.answer.is-correct .answer__marker::after{content:'\2713 correct'}
.answer.is-wrong .answer__marker{opacity:1}
.answer.is-wrong .answer__marker::after{content:'\2717 nope'}
.answer:disabled{cursor:not-allowed}
@keyframes pop{0%,100%{transform:scale(1)}50%{transform:scale(1.03)}}
.info-box{border-radius:var(--radius-sm);padding:.9rem 1.1rem;margin-bottom:1rem;border:3px solid #111;animation:popIn .35s ease}
.info-box[hidden]{display:none}
.info-box--dyk{background:#2a2410;border-left:8px solid var(--bbt-yellow)}
.info-box--media{background:#102a2e;border-left:8px solid var(--bbt-teal);font-size:var(--fs-xs)}
.info-box__label{font-family:var(--font-display);font-size:var(--fs-sm);letter-spacing:.03em;margin-bottom:.5rem;display:flex;align-items:center;gap:.5rem;text-transform:uppercase}
.info-box--dyk .info-box__label{color:var(--bbt-yellow)}
.info-box__text{font-size:var(--fs-sm);line-height:1.55;color:var(--text-dim)}
.media-label--img{color:var(--bbt-teal)}.media-label--aud{color:var(--bbt-purple);margin-top:.7rem}
.media-text{color:var(--text-dim);line-height:1.5;font-style:italic}
.score-popup{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-6deg);font-family:var(--font-display);font-size:2.4rem;color:var(--bbt-yellow);pointer-events:none;z-index:1200;text-shadow:3px 3px 0 #111;animation:scoreAnim 1.2s ease forwards}
@keyframes scoreAnim{0%{opacity:0;transform:translate(-50%,-50%) scale(.5) rotate(-6deg)}30%{opacity:1;transform:translate(-50%,-50%) scale(1.2) rotate(-6deg)}70%{opacity:1;transform:translate(-50%,-60%) scale(1) rotate(-6deg)}100%{opacity:0;transform:translate(-50%,-80%) scale(.8) rotate(-6deg)}}
.result-hero{text-align:center;padding:1.8rem 1.2rem;background:#0b1220;border:3px solid #111;border-radius:var(--radius);margin-bottom:1.25rem;box-shadow:4px 4px 0 rgba(0,0,0,.5)}
.result-hero__score{font-family:var(--font-display);font-size:var(--fs-hero);color:var(--bbt-yellow);text-shadow:4px 4px 0 #111;line-height:1}
.result-hero__rank{font-family:var(--font-display);font-size:var(--fs-lg);letter-spacing:.03em;margin-top:.6rem;text-transform:uppercase}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;margin-bottom:1.25rem}
@media (min-width:34rem){.stats-grid{grid-template-columns:repeat(3,1fr)}}
.stat{background:var(--surface-3);border:3px solid #111;border-radius:var(--radius-sm);padding:1rem;text-align:center;box-shadow:3px 3px 0 rgba(0,0,0,.5)}
.stat__val{font-family:var(--font-display);font-size:var(--fs-lg);color:var(--bbt-yellow)}
.stat__lbl{font-size:var(--fs-xs);letter-spacing:.03em;color:var(--text-dim);text-transform:uppercase;margin-top:.25rem}
.passport{font-family:'Courier New',monospace;font-size:clamp(.55rem,.4rem + 1.1vw,.72rem);line-height:1.5;white-space:pre;background:#0b1220;border:3px solid #111;border-radius:var(--radius-sm);padding:1.1rem;color:var(--bbt-yellow);overflow-x:auto;margin-bottom:1rem}
.admin-title{font-family:var(--font-display);color:var(--bbt-red);font-size:var(--fs-lg);letter-spacing:.03em;margin-bottom:1.1rem;text-align:center;text-transform:uppercase}
.notif{position:fixed;top:1rem;right:1rem;z-index:2000;font-family:var(--font-display);font-size:var(--fs-sm);letter-spacing:.03em;padding:.8rem 1.2rem;border-radius:var(--radius-sm);background:var(--surface-2);border:3px solid var(--bbt-yellow);color:var(--bbt-yellow);max-width:min(22rem,90vw);animation:slideIn .3s ease;text-transform:uppercase;box-shadow:4px 4px 0 rgba(0,0,0,.5)}
.notif[hidden]{display:none}
.notif--error{border-color:var(--bbt-red);color:#ff8a8a}
@keyframes slideIn{from{transform:translateX(110%);opacity:0}to{transform:none;opacity:1}}
/* intro splash */
.crawl{position:fixed;inset:0;z-index:1500;background:radial-gradient(circle at 50% 40%,#12253b,#070d18);display:none;align-items:center;justify-content:center;overflow:hidden}
.crawl.is-active{display:flex}
.crawl__inner{width:min(40rem,92vw);text-align:center;animation:boom .5s cubic-bezier(.2,1.4,.4,1) both}
.crawl__pow{display:inline-block;background:var(--bbt-yellow);color:#111;font-family:var(--font-display);font-size:var(--fs-hero);padding:.1em .4em;border-radius:16px;border:5px solid #111;transform:rotate(-3deg);box-shadow:8px 8px 0 rgba(0,0,0,.6)}
.crawl__inner p{font-family:var(--font-display);color:var(--bbt-teal);font-size:var(--fs-md);line-height:1.7;letter-spacing:.03em;margin-top:1rem;text-transform:uppercase}
@keyframes boom{0%{opacity:0;transform:scale(.4) rotate(-8deg)}60%{opacity:1;transform:scale(1.08) rotate(-3deg)}100%{transform:scale(1) rotate(-3deg)}}
.crawl__skip{position:fixed;bottom:1.5rem;right:1.5rem;z-index:1600;background:var(--surface-3);border:3px solid #111;color:var(--bbt-teal);font-family:var(--font-display);font-size:var(--fs-sm);letter-spacing:.03em;padding:.5rem 1.1rem;border-radius:var(--radius-sm);box-shadow:3px 3px 0 rgba(0,0,0,.5)}
.crawl__skip:hover{color:#fff;background:#26385a}
.loading{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:1.8rem}
.loading__dot{width:11px;height:11px;border-radius:50%;background:var(--bbt-yellow);border:2px solid #111;animation:bounce .8s ease infinite}
.loading__dot:nth-child(2){animation-delay:.15s;background:var(--bbt-teal)}
.loading__dot:nth-child(3){animation-delay:.3s;background:var(--bbt-pink)}
@keyframes bounce{0%,100%{transform:translateY(0);opacity:.4}50%{transform:translateY(-10px);opacity:1}}
.empty-state{text-align:center;color:var(--text-dim);padding:1.5rem;font-size:var(--fs-sm)}
.error-state{text-align:center;color:#ff8a8a;padding:1.2rem;font-size:var(--fs-sm)}
.stack{display:flex;flex-direction:column;gap:.75rem}
.row{display:flex;gap:.75rem}.row--wrap{flex-wrap:wrap}.grow{flex:1}
.center{text-align:center}.muted{color:var(--text-dim)}.text-xs{font-size:var(--fs-xs)}.mt-1{margin-top:.75rem}
.sep{height:3px;background:repeating-linear-gradient(90deg,var(--line),var(--line) 8px,transparent 8px,transparent 16px);margin:1.1rem 0}
.sound-toggle{background:var(--surface-3);border:3px solid #111;color:var(--bbt-teal);border-radius:var(--radius-sm);min-height:44px;padding:.5rem .9rem;font-family:var(--font-display);font-size:var(--fs-sm);letter-spacing:.03em;display:inline-flex;align-items:center;gap:.4rem;box-shadow:3px 3px 0 rgba(0,0,0,.5)}
.sound-toggle[aria-pressed="false"]{color:var(--text-dim)}
.sound-toggle:hover{color:#fff;background:#26385a}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .crawl__inner{animation:none}
}