@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Roboto+Mono:wght@400;500;700&display=swap');

.dvq [hidden]{display:none!important}
.dvq{
  --ink:#172033;--ink-2:#526078;--muted:#7d899f;--paper:#fff;
  --stock:#f7f9fc;--line:#e7ebf2;--accent:#635bff;--accent-2:#00b8d9;
  --right:#15966a;--right-bg:#eaf9f2;--wrong:#e05252;--wrong-bg:#fff0f0;
  max-width:1120px;margin:0 auto;padding:28px 18px 56px;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.6;color:var(--ink);-webkit-font-smoothing:antialiased
}
.dvq *,.dvq *::before,.dvq *::after{box-sizing:border-box}
.dvq p{margin:0}
.dvq-head{position:relative;overflow:hidden;margin:0 0 24px;padding:42px 40px 38px;border:1px solid rgba(99,91,255,.16);border-radius:28px;background:linear-gradient(135deg,#111a35 0%,#263c79 52%,#5e54e8 100%);box-shadow:0 24px 70px rgba(42,55,110,.18);color:#fff}
.dvq-head:before,.dvq-head:after{content:"";position:absolute;border-radius:999px;pointer-events:none}
.dvq-head:before{width:260px;height:260px;right:-80px;top:-130px;background:rgba(0,224,255,.22)}
.dvq-head:after{width:220px;height:220px;left:48%;bottom:-160px;background:rgba(255,255,255,.08)}
.dvq-eyebrow{position:relative;z-index:1;display:flex;align-items:center;gap:9px;margin-bottom:13px;font:800 11px/1.2 Inter,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:#bfc9ff}
.dvq-eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:#70e4ff;box-shadow:0 0 0 5px rgba(112,228,255,.12)}
.dvq-title{position:relative;z-index:1;margin:0 0 12px;font-size:clamp(34px,5vw,62px);font-weight:800;line-height:1.02;letter-spacing:-.045em;color:#fff}
.dvq-mark-hl{background:linear-gradient(transparent 54%,rgba(112,228,255,.65) 54% 92%,transparent 92%);padding:0 4px}
.dvq-intro{position:relative;z-index:1;max-width:700px;font-size:17px;color:#dbe2ff}

.dvq-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;list-style:none;margin:0 0 20px;padding:0}
.dvq-step{min-height:58px;display:flex;align-items:center;gap:10px;padding:11px 14px;border:1px solid var(--line);border-radius:15px;background:#fff;font-size:13px;font-weight:750;color:var(--muted);box-shadow:0 8px 24px rgba(32,44,70,.05);cursor:pointer;transition:.2s}
.dvq-step b{display:grid;place-items:center;flex:0 0 auto;width:29px;height:29px;border-radius:10px;background:#f0f3f9;border:1px solid #e4e8f0;font:800 11px Inter,sans-serif;color:#6b7690}
.dvq-step.is-on{border-color:#c9c7ff;background:linear-gradient(135deg,#fff,#f6f6ff);color:var(--ink);box-shadow:0 10px 28px rgba(99,91,255,.12)}
.dvq-step.is-on b{background:var(--accent);border-color:var(--accent);color:#fff}
.dvq-step.is-done b{background:var(--right);border-color:var(--right);color:#fff}

.dvq-ready{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 16px;padding:12px 15px;border:1px solid #cfeee1;border-radius:14px;background:#f3fbf7}
.dvq-ready-dot{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:#177b5a}
.dvq-ready-dot i{width:8px;height:8px;border-radius:50%;background:#20b27b;box-shadow:0 0 0 5px #d9f5e9}
.dvq-ready-count{font-size:12px;color:#557062}

.dvq-statusbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 14px;padding:8px 0}
.dvq-back{border:0;background:none;color:var(--muted);font-weight:700;cursor:pointer}
.dvq-segment{display:flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:13px;background:#f5f7fb}
.dvq-seg{padding:8px 13px;border:0;border-radius:9px;background:transparent;font:700 12px Inter,sans-serif;color:var(--muted);cursor:pointer}
.dvq-seg.is-on{background:#fff;color:var(--ink);box-shadow:0 3px 10px rgba(30,40,70,.08)}

.dvq-card{background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:22px;box-shadow:0 20px 60px rgba(32,44,70,.07);padding:28px}
.dvq-builder{position:relative;overflow:hidden}
.dvq-builder:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,var(--accent),#8d78ff,var(--accent-2))}
.dvq-tabs{display:flex;gap:6px;margin-bottom:22px;padding:5px;border:1px solid var(--line);border-radius:16px;background:#f7f8fb}
.dvq-tab{flex:1;padding:11px 16px;border:0;border-radius:11px;background:#fff;font:750 13px Inter,sans-serif;color:var(--accent);box-shadow:0 5px 16px rgba(30,40,70,.08);cursor:default}
.dvq-panel{display:block}
.dvq textarea{width:100%;padding:15px 16px;border:1px solid var(--line);border-radius:14px;background:#fbfcfe;font:500 15px/1.65 Inter,sans-serif;color:var(--ink);resize:vertical;transition:.18s}
.dvq textarea:focus{outline:none;background:#fff;border-color:#9c97ff;box-shadow:0 0 0 4px rgba(99,91,255,.11)}
.dvq textarea::placeholder{color:#a3adbe}
.dvq-count{margin-top:8px;font-size:11px;color:var(--muted)}
.dvq-format-hint{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px;padding:14px;border:1px solid #dfe3ff;border-radius:14px;background:#f7f7ff}
.dvq-hint-label{font-size:12px;font-weight:800;color:var(--accent)}
.dvq-format-hint pre{margin:0;overflow:auto;font:12px/1.75 "Roboto Mono",monospace;color:var(--ink-2);white-space:pre}
.dvq-hint-note{font-size:12px;color:var(--muted)}

.dvq-go{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:15px 20px;border:0;border-radius:13px;background:linear-gradient(135deg,#635bff,#7a65ef);font:800 15px Inter,sans-serif;color:#fff;cursor:pointer;box-shadow:0 12px 24px rgba(99,91,255,.23);transition:.2s}
.dvq-go::after{content:"→";font-size:18px}
.dvq-go:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 16px 30px rgba(99,91,255,.3)}
.dvq-ghost{padding:13px 18px;border:1px solid #d9deea;border-radius:12px;background:#fff;font:750 14px Inter,sans-serif;color:var(--ink);cursor:pointer}
.dvq-ghost:hover{border-color:#b7b2ff;background:#f8f7ff;color:var(--accent)}
.dvq :focus-visible{outline:3px solid rgba(99,91,255,.4);outline-offset:2px}
.dvq-note{margin-top:14px;padding:12px 14px;border:1px solid #ffd2d2;border-radius:12px;background:var(--wrong-bg);font-size:13px;color:#a62e2e}
.dvq-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.dvq-actions .dvq-go{width:auto;flex:1 1 220px}

.dvq-quiz-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:28px 0 14px}
.dvq-quiz-head h3{margin:0;font-size:28px;letter-spacing:-.025em}
.dvq-meta{font-size:12px;color:var(--muted)}
.dvq-questions{display:grid;gap:16px;margin:0;padding:0;list-style:none;counter-reset:q}
.dvq-q{position:relative;padding:24px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 12px 35px rgba(32,44,70,.05);counter-increment:q}
.dvq-q:before{content:counter(q,decimal-leading-zero);display:inline-grid;place-items:center;width:42px;height:30px;margin-bottom:12px;border-radius:10px;background:#f0efff;color:var(--accent);font:800 11px "Roboto Mono",monospace}
.dvq-q-text{font-size:17px;font-weight:750;line-height:1.55}
.dvq-opt{display:flex;align-items:flex-start;gap:12px;padding:14px;border:1px solid var(--line);border-radius:14px;background:#fff;cursor:pointer;transition:.16s;margin-top:9px}
.dvq-opt:hover{border-color:#aaa5ff;background:#faf9ff}
.dvq-opt input{position:absolute;opacity:0;pointer-events:none}
.dvq-bubble{display:grid;place-items:center;flex:0 0 auto;width:30px;height:30px;border:1px solid #d7dce7;border-radius:9px;font:800 11px "Roboto Mono",monospace;color:#7a859a}
.dvq-opt input:checked~.dvq-bubble{background:var(--accent);border-color:var(--accent);color:#fff}
.dvq-opt.is-right{border-color:#76cba9;background:var(--right-bg)}
.dvq-opt.is-right .dvq-bubble{background:var(--right);border-color:var(--right);color:#fff}
.dvq-opt.is-wrong{border-color:#f2a0a0;background:var(--wrong-bg)}
.dvq-opt.is-wrong .dvq-bubble{background:var(--wrong);border-color:var(--wrong);color:#fff}
.dvq-opt-text{padding-top:1px}
.dvq-q.is-marked .dvq-opt{cursor:default}
.dvq-why,.dvq-answer{margin-top:13px;padding:13px 15px;border-left:4px solid #8b83ff;border-radius:0 12px 12px 0;background:#f7f7ff;color:#566177;font-size:13px;white-space:pre-line}
.dvq-answer{border-left-color:var(--right);background:var(--right-bg)}
.dvq-reveal{margin-top:14px;padding:8px 14px;border:1px solid var(--line);border-radius:9px;background:#fff;font:700 11px "Roboto Mono",monospace;color:var(--ink-2);cursor:pointer}

.dvq-result{margin-top:24px;text-align:center;background:radial-gradient(circle at 50% 0,#f4f2ff 0,#fff 38%)}
.dvq-centred{justify-content:center}
.dvq-score{font:850 clamp(62px,9vw,92px)/1 "Roboto Mono",monospace;letter-spacing:-.08em;margin:8px 0}
.dvq-of{font-size:.4em;color:var(--muted);letter-spacing:-.03em}
.dvq-verdict{font-size:16px;color:var(--ink-2)}
.dvq-sheet{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;padding:18px;margin:22px 0;border:1px solid var(--line);border-radius:16px;background:#f8fafc}
.dvq-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;border:1px solid #d8deea;background:#fff;font:800 10px "Roboto Mono",monospace;color:var(--muted)}
.dvq-mark.is-right{background:var(--right);border-color:var(--right);color:#fff}
.dvq-mark.is-wrong{background:var(--wrong);border-color:var(--wrong);color:#fff}

.dvq-exp-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:22px 0 12px}
.dvq-filemeta{display:flex;gap:8px;align-items:center;font:12px "Roboto Mono",monospace;color:var(--muted)}
.dvq-codewrap{overflow:hidden;border:1px solid #252c3b;border-radius:18px;background:#101522;box-shadow:0 20px 55px rgba(18,24,40,.18)}
.dvq-codebar{display:flex;align-items:center;gap:10px;padding:11px 14px;border-bottom:1px solid #2a3242;color:#aab3c5;font-size:12px}
.dvq-dots{display:flex;gap:5px}.dvq-dots i{width:8px;height:8px;border-radius:50%;background:#4b5568}
.dvq-dots i:first-child{background:#e05a52}.dvq-dots i:nth-child(2){background:#e0a94a}.dvq-dots i:last-child{background:#4aa96c}
.dvq-codename{font:11.5px "Roboto Mono",monospace;color:#8b8f9a}
.dvq-code{max-height:520px;margin:0;padding:20px;overflow:auto;color:#dce5f4;font:12px/1.65 "Roboto Mono",monospace;white-space:pre-wrap;word-break:break-word}
.dvq-previewwrap{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#fff}
.dvq-previewwrap iframe{display:block;width:100%;min-height:620px;border:0}
.dvq-go-copy{background:var(--right)}.dvq-go-copy:hover:not(:disabled){background:#10603b}
.dvq-howto{margin-top:18px;padding:18px;border:1px solid #e1e6ef;border-radius:16px;background:#f8fafc}
.dvq-howto ol{margin:0 0 12px;padding-left:20px;font-size:13px;line-height:1.7;color:var(--ink-2)}
.dvq-howto b{color:var(--ink)}

@media(max-width:800px){
  .dvq{padding:16px 12px 40px}.dvq-head{padding:30px 24px}
  .dvq-steps{grid-template-columns:repeat(2,1fr)}.dvq-card{padding:20px}
  .dvq-quiz-head{display:block}.dvq-quiz-head .dvq-meta{margin-top:5px}
}
@media(max-width:560px){
  .dvq-head{border-radius:22px;padding:27px 20px}.dvq-title{font-size:38px}.dvq-intro{font-size:15px}
  .dvq-step{min-height:50px;padding:9px;font-size:11px}.dvq-step span{display:none}
  .dvq-q{padding:18px}.dvq-q-text{font-size:16px}.dvq-actions{flex-direction:column}
  .dvq-actions .dvq-go,.dvq-actions .dvq-ghost{width:100%;flex:1 1 auto}
  .dvq-statusbar{align-items:flex-start}.dvq-segment{margin-left:auto}
  .dvq-filemeta{margin-left:0}.dvq-code{font-size:10.5px;max-height:260px}.dvq-previewwrap iframe{min-height:380px}
}
@media(prefers-reduced-motion:reduce){.dvq *,.dvq *::before,.dvq *::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media print{
  body{background:#fff!important}.dvq{max-width:none;padding:0}.dvq-head,.dvq-steps,.dvq-statusbar,.dvq-actions,.dvq-builder,#dvq-export{display:none!important}
  .dvq-card{border:0;box-shadow:none;padding:0}.dvq-q{break-inside:avoid}
}

.dvq-save-status{margin:10px 0;padding:10px 14px;border-radius:10px;background:#ecfdf3;color:#137a43;font-weight:700;text-align:center}.dvq-save-status[hidden]{display:none!important}

/* Public quiz start screen: visitor landing page. */
.dvq-start{padding:0}
.dvq-start-card{max-width:100%;margin:0 auto;padding:58px 24px 70px;min-height:380px;box-sizing:border-box;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:0;border-radius:0;background:transparent;box-shadow:none}
/* Saved quiz title: shown in the same centered column as the start content. */
.dvq-start-title{display:block;max-width:820px;margin:0 auto 14px;color:#202735;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:clamp(40px,4.4vw,60px);font-weight:800;line-height:1.12;letter-spacing:-.035em;overflow-wrap:anywhere;text-align:center}
.dvq-start-intro{max-width:650px;margin:0 auto 40px;color:#59697e;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:18px;font-weight:500;line-height:1.6;text-align:center}
.dvq-start-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-width:278px;padding:17px 34px;border:0;border-radius:10px;background:linear-gradient(135deg,#5145bd 0%,#5b50c9 100%);box-shadow:none;color:#fff;font:800 21px/1.2 Inter,system-ui,sans-serif;cursor:pointer;transition:transform .2s ease,filter .2s ease}
.dvq-start-btn:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 8px 22px rgba(81,69,189,.20)}
.dvq-start-btn:focus-visible{outline:3px solid rgba(103,89,217,.28);outline-offset:3px}
.dvq-start-meta{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:16px;margin-top:26px}
.dvq-start-meta span{display:inline-flex;align-items:center;justify-content:center;min-width:170px;padding:14px 22px;border:1px solid #d1dce9;border-radius:999px;background:#f9fbfd;color:#4e6685;font-family:Inter,system-ui,sans-serif;font-size:16px;font-weight:700;line-height:1.2;box-shadow:none}
.dvq-start-meta b{margin-left:4px;color:inherit}
@media(max-width:720px){.dvq-start-card{min-height:360px;padding:52px 18px 60px}.dvq-start-title{font-size:clamp(34px,10vw,48px);margin-bottom:12px}.dvq-start-intro{max-width:560px;font-size:17px;margin-bottom:34px}.dvq-start-meta{gap:12px}.dvq-start-meta span{min-width:0;flex:1 1 190px}}
@media(max-width:560px){.dvq-start-card{min-height:0;padding:46px 18px 52px}.dvq-start-title{font-size:36px;line-height:1.16;margin-bottom:10px}.dvq-start-intro{font-size:16px;line-height:1.55;margin-bottom:30px}.dvq-start-btn{width:100%;max-width:320px;min-width:0;padding:16px 24px}.dvq-start-meta{display:grid;grid-template-columns:1fr;gap:10px;margin-top:24px}.dvq-start-meta span{width:100%}}