.quiz-overlay{position:fixed;inset:0;z-index:120;background:rgba(3,9,14,.96);display:none;align-items:center;justify-content:center;padding:24px}.quiz-overlay.open{display:flex}.quiz-shell{width:min(900px,96vw);max-height:94vh;overflow:auto;background:#0b151e;border:1px solid #29404f;border-radius:14px;box-shadow:0 30px 90px #000c}.quiz-head{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid #20313f;position:sticky;top:0;background:#0b151ef5;backdrop-filter:blur(12px);z-index:2}.quiz-head strong{font-size:18px}.quiz-head span{display:block;color:#8ba0af;font:11px 'JetBrains Mono',monospace}.quiz-close{width:36px;height:36px;border:1px solid #29404f;background:#101e28;color:#d9e4eb;border-radius:7px;cursor:pointer}.quiz-body{padding:28px}.quiz-intro{max-width:680px;margin:auto}.quiz-intro h2,.quiz-result h2{font-size:34px;margin:6px 0 12px}.quiz-intro p,.quiz-result p{color:#9dafbd}.quiz-name-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0}.quiz-field label{display:block;font:700 11px 'JetBrains Mono',monospace;color:#8ba0af;margin-bottom:7px}.quiz-field input{width:100%;background:#081118;border:1px solid #29404f;border-radius:7px;padding:13px;color:#d9e4eb;font-size:16px;outline:0}.quiz-field input:focus{border-color:#46d9ff}.quiz-rules{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0}.quiz-rule{padding:14px;border:1px solid #20313f;border-radius:8px;background:#0d1821}.quiz-rule strong{display:block;color:#46d9ff;font:700 18px 'JetBrains Mono',monospace}.quiz-rule span{font-size:12px;color:#8ba0af}.quiz-error{color:#ff637d;font-size:13px;min-height:22px}.quiz-progress-wrap{margin-bottom:22px}.quiz-progress-top{display:flex;justify-content:space-between;margin-bottom:8px;font:12px 'JetBrains Mono',monospace;color:#8ba0af}.quiz-progress{height:6px;background:#172630;border-radius:99px;overflow:hidden}.quiz-progress i{display:block;height:100%;background:#46d9ff;width:0;transition:.2s}.quiz-question h3{font-size:23px;line-height:1.45;margin:8px 0 20px}.quiz-options{display:grid;gap:10px}.quiz-option{width:100%;text-align:left;padding:14px 16px;border:1px solid #253846;background:#09131b;color:#c8d6df;border-radius:8px;cursor:pointer;font-size:15px;transition:.15s}.quiz-option:hover{border-color:#3f6b80;background:#0d1c24}.quiz-option.selected{border-color:#46d9ff;background:#0d2731;color:#eefbff}.quiz-nav{display:flex;justify-content:space-between;gap:12px;margin-top:26px}.quiz-sql-lab{border:1px solid #29404f;background:#071018;border-radius:10px;overflow:hidden}.quiz-sql-bar{display:flex;justify-content:space-between;padding:10px 13px;border-bottom:1px solid #20313f;background:#0d1821;color:#7e94a3;font:10px 'JetBrains Mono',monospace}.quiz-sql-bar span:first-child{color:#46d9ff;font-weight:700}.quiz-sql-lab textarea{display:block;width:100%;min-height:150px;border:0;outline:0;resize:vertical;background:#081118;color:#d9e4eb;padding:16px;font:14px/1.7 'JetBrains Mono',monospace}.quiz-sql-lab .btn{margin:0 14px 14px}.quiz-sql-result{margin:0 14px 14px;border:1px solid #20313f;border-radius:7px;padding:11px 13px;color:#8ba0af;background:#0b151e;font-size:12px}.quiz-sql-result.ok{border-color:#2d6d4c;color:#b8e8ca;background:#0c1b14}.quiz-sql-result.bad{border-color:#713643;color:#eeb0ba;background:#1b0d12}.quiz-sql-result pre{white-space:pre-wrap;margin:9px 0 0;padding:10px;background:#071018;border-radius:5px;color:#cde3ee;font:12px/1.6 'JetBrains Mono',monospace}.quiz-result{text-align:center;max-width:720px;margin:auto;padding:10px 0}.quiz-score-ring{width:150px;height:150px;margin:18px auto;border:8px solid #20313f;border-radius:50%;display:grid;place-items:center}.quiz-score-ring strong{font:800 34px 'JetBrains Mono',monospace}.quiz-score-ring.pass{border-color:#57f0a0;color:#57f0a0}.quiz-score-ring.fail{border-color:#ff637d;color:#ff637d}.quiz-fail-note{padding:12px 14px;border:1px solid #61313e;border-radius:8px;background:#1a0e13;color:#e1a8b1!important}.quiz-result-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:22px}.certificate{background:#f7f4ea;color:#17212a;border:3px solid #21394b;padding:14px;width:min(940px,100%);margin:10px auto;position:relative;box-shadow:0 16px 50px #0007}.cert-border-inner{border:1px solid #9b7b43;padding:34px 42px 26px;position:relative;background:linear-gradient(180deg,#fffdf8,#f6f1e5)}.cert-border-inner:before,.cert-border-inner:after{content:'';position:absolute;width:70px;height:70px;border-color:#9b7b43}.cert-border-inner:before{left:12px;top:12px;border-left:2px solid;border-top:2px solid}.cert-border-inner:after{right:12px;bottom:12px;border-right:2px solid;border-bottom:2px solid}.cert-top{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;text-align:left}.cert-seal{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:#17384b;color:white;border:5px double #c7a15d;font:800 22px 'JetBrains Mono',monospace}.certificate-kicker{letter-spacing:.18em;color:#17384b;font:800 12px 'JetBrains Mono',monospace}.cert-subtitle{font-size:13px;color:#66737d;margin-top:3px}.cert-id-small{font:700 10px 'JetBrains Mono',monospace;color:#6a7780}.cert-rule{height:1px;background:linear-gradient(90deg,transparent,#9b7b43,transparent);margin:18px 0 22px}.certificate h1{text-align:center;font-family:Georgia,'Times New Roman',serif;font-size:46px;font-weight:500;letter-spacing:.02em;margin:5px 0 6px;color:#17212a}.cert-presented{text-align:center;color:#66737d;font-family:Georgia,'Times New Roman',serif;font-style:italic;margin:0!important}.certificate .cert-name{text-align:center;font-family:Georgia,'Times New Roman',serif;font-size:38px;font-weight:700;color:#102b3c;border-bottom:1px solid #9b7b43;display:block;width:max-content;max-width:90%;padding:0 36px 7px;margin:10px auto 14px}.cert-copy{text-align:center;color:#485762!important;font-size:15px!important;max-width:700px!important;margin:12px auto!important;line-height:1.65}.cert-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;border-top:1px solid #d3c6a7;border-bottom:1px solid #d3c6a7;margin:28px 0 24px;padding:18px 0}.cert-meta>div{text-align:center}.cert-meta span{display:block;font-size:9px;letter-spacing:.12em;color:#7f725d}.cert-meta strong{display:block;color:#17384b;font:700 14px 'JetBrains Mono',monospace;margin:4px 0}.cert-meta small{display:block;color:#7b858c;font-size:10px}.cert-signatures{display:grid;grid-template-columns:1fr 90px 1fr;align-items:end;gap:24px;margin:24px 60px}.cert-signatures>div:not(.cert-medallion){text-align:center}.signature-line{display:block;border-bottom:1px solid #73818a;padding-bottom:6px;font-family:Georgia,'Times New Roman',serif;font-style:italic;font-size:18px;color:#253d4c}.cert-signatures small{display:block;margin-top:6px;color:#78838a;font-size:10px;text-transform:uppercase;letter-spacing:.08em}.cert-medallion{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;margin:auto;background:#17384b;color:#f7e3b3;border:5px double #c7a15d;font-size:25px}.cert-disclaimer{border-top:1px solid #c9bea6;margin-top:20px;padding:15px 8px 0;color:#6f7376;font-size:9px;line-height:1.55;text-align:center}.cert-disclaimer strong{color:#555b5f}.certificate-actions{display:flex;justify-content:center;gap:10px;margin-top:18px}@media(max-width:700px){.quiz-name-grid,.quiz-rules,.cert-meta{grid-template-columns:1fr}.quiz-body{padding:20px}.quiz-question h3{font-size:19px}.certificate{padding:8px}.cert-border-inner{padding:24px 16px}.cert-top{grid-template-columns:auto 1fr}.cert-id-small{grid-column:1/-1}.certificate h1{font-size:31px}.certificate .cert-name{font-size:27px;padding:0 12px}.cert-signatures{margin:20px 0;grid-template-columns:1fr}.cert-medallion{grid-row:1}.quiz-sql-bar{display:block}.quiz-sql-bar span{display:block;margin:2px 0}}@media print{body>*{display:none!important}.quiz-overlay{display:block!important;position:static;background:white;padding:0}.quiz-shell{border:0;box-shadow:none;max-height:none;width:100%;overflow:visible}.quiz-head,.quiz-body>*:not(.certificate),.certificate-actions{display:none!important}.quiz-body{padding:0}.certificate{display:block!important;width:100%;min-height:700px;margin:0;box-shadow:none}.cert-border-inner{min-height:680px}}

/* Assessment window polish. Screen-only to preserve certificate printing. */
@media screen {
  .quiz-overlay {
    padding:24px;
    background:rgba(3,9,14,.8);
    backdrop-filter:blur(10px);
  }
  .quiz-shell {
    width:min(860px,100%);
    max-height:calc(100dvh - 48px);
    border:1px solid #365363;
    border-radius:20px;
    background:radial-gradient(ellipse at top right,#15303d 0,transparent 55%),#0b151e;
    box-shadow:0 32px 100px #0009,0 0 0 1px #ffffff04 inset;
    scrollbar-width:thin;
    scrollbar-color:#365363 #0b151e;
    overscroll-behavior:contain;
  }
  .quiz-head {
    gap:20px;
    padding:20px 28px;
    background:#0b151ef2;
  }
  .quiz-head strong {display:block;font-size:15px;line-height:1.5;letter-spacing:.01em;}
  .quiz-head span {margin-top:4px;font-size:11px;color:#9bafbd;}
  .quiz-close {
    flex-shrink:0;width:40px;height:40px;border-radius:10px;
    font-size:25px;line-height:1;transition:background .15s,border-color .15s;
  }
  .quiz-close:hover {background:#1c303d;border-color:#6b899a;}
  .quiz-body {padding:36px 40px 40px;}
  .quiz-intro {max-width:680px;}
  .quiz-intro .eyebrow {
    display:inline-block;padding:6px 10px;border:1px solid #46d9ff30;
    border-radius:6px;background:#46d9ff08;font-size:10px;letter-spacing:.14em;
  }
  .quiz-intro h2,.quiz-result h2 {
    font-size:clamp(26px,4vw,36px);line-height:1.18;letter-spacing:-.035em;
    margin:18px 0 14px;color:#f0f7fb;text-wrap:balance;
  }
  .quiz-intro p {font-size:14px;line-height:1.8;color:#a3b6c3;margin:0;}
  .quiz-rules {gap:12px;margin:28px 0;}
  .quiz-rule {
    padding:18px 20px;border-color:#2a414f;border-radius:12px;
    background:linear-gradient(145deg,#132531,#0c1922);
  }
  .quiz-rule strong {font-size:24px;line-height:1.4;letter-spacing:-.04em;}
  .quiz-rule span {display:block;margin-top:5px;color:#a3b6c3;font-size:12px;}
  .quiz-name-grid {gap:16px;margin:28px 0 8px;}
  .quiz-field {min-width:0;}
  .quiz-field label {font-size:10px;letter-spacing:.09em;color:#b0c2ce;margin-bottom:9px;}
  .quiz-field input {
    min-height:50px;padding:13px 15px;border-radius:10px;background:#07121b;
    border-color:#344c5b;transition:border-color .15s,box-shadow .15s;
  }
  .quiz-field input:focus {box-shadow:0 0 0 3px #46d9ff20;}
  .quiz-error {margin:4px 0 10px;line-height:1.6;}
  .quiz-overlay .btn {
    min-height:46px;border-radius:10px;padding:12px 20px;
    transition:background .15s,border-color .15s,box-shadow .15s;
  }
  .quiz-overlay .btn.primary {
    background:linear-gradient(180deg,#218cac,#196e8a);border-color:#3aaccb;
    box-shadow:0 4px 14px #0003,inset 0 1px #ffffff18;
  }
  .quiz-overlay .btn.primary:hover:not(:disabled) {background:#269bbd;border-color:#6de2ff;}
  .quiz-overlay .btn.ghost:hover:not(:disabled) {background:#192d3b;border-color:#537080;}
  .quiz-overlay button:focus-visible,.quiz-overlay textarea:focus-visible {
    outline:2px solid #7ae4ff;outline-offset:3px;
  }
  .quiz-progress-wrap {
    margin-bottom:28px;padding:16px 18px;background:#07121b80;
    border:1px solid #263d4b;border-radius:12px;
  }
  .quiz-progress-top {color:#b0c2ce;font-size:11px;margin-bottom:12px;}
  .quiz-progress {height:5px;}
  .quiz-progress i {background:linear-gradient(90deg,#238dac,#70e4ff);}
  .quiz-question .eyebrow {font-size:10px;letter-spacing:.13em;}
  .quiz-question h3 {font-size:clamp(20px,3vw,25px);line-height:1.45;letter-spacing:-.02em;color:#edf5fa;margin:12px 0 24px;}
  .quiz-options {gap:12px;}
  .quiz-option {
    position:relative;display:flex;align-items:baseline;gap:14px;
    min-height:60px;padding:15px 44px 15px 16px;border-radius:12px;
    background:#0a1721;border-color:#2b4352;font:400 14px/1.65 Inter,Arial,sans-serif;
  }
  .quiz-option strong {
    flex-shrink:0;display:inline-grid;place-items:center;min-width:28px;
    border:1px solid #385260;border-radius:6px;background:#132632;
    color:#a8bdcb;font:600 11px/26px 'JetBrains Mono',monospace;
  }
  .quiz-option:hover {border-color:#608697;background:#132733;}
  .quiz-option.selected {border-color:#46d9ff;background:#10303e;box-shadow:inset 3px 0 #46d9ff;}
  .quiz-option.selected strong {background:#46d9ff;color:#06212b;border-color:#46d9ff;}
  .quiz-option.selected:after {content:'✓';position:absolute;right:17px;top:50%;transform:translateY(-50%);color:#72e4ff;font-size:18px;}
  .quiz-nav {margin-top:28px;padding-top:22px;border-top:1px solid #263d4b;}
  .quiz-sql-lab {border-radius:12px;border-color:#365363;}
  .quiz-sql-bar {padding:13px 16px;}
  .quiz-sql-lab textarea {min-height:190px;padding:20px;line-height:1.85;}
  .quiz-sql-result {line-height:1.7;}
  .quiz-score-ring {width:164px;height:164px;margin:26px auto;background:#08151e;box-shadow:0 12px 36px #0003;}
  .quiz-result>p {line-height:1.8;}
}
@media screen and (max-width:600px) {
  .quiz-overlay {padding:12px;}
  .quiz-shell {max-height:calc(100dvh - 24px);border-radius:15px;}
  .quiz-head {padding:16px 18px;gap:12px;}
  .quiz-head strong {font-size:13px;}
  .quiz-head span {font-size:10px;}
  .quiz-body {padding:24px 20px;}
  .quiz-rules {grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:22px 0;}
  .quiz-rule {padding:12px 8px;text-align:center;border-radius:9px;}
  .quiz-rule strong {font-size:20px;}
  .quiz-rule span {font-size:10px;line-height:1.5;}
  .quiz-name-grid {grid-template-columns:1fr;gap:16px;margin-top:22px;}
  .quiz-option {padding-left:12px;gap:10px;}
  .quiz-nav {gap:10px;}
  .quiz-nav .btn {padding:11px 13px;font-size:12px;}
}
@media screen and (prefers-reduced-motion:reduce) {
  .quiz-overlay * {transition:none!important;}
}