.cbt-shell{--cbt-ink:#16241d;--cbt-dim:#5c6b63;--cbt-line:#dfe6e1;--cbt-paper:#fff;--cbt-soft:#f5f8f6;--cbt-green:#1a7f4b;--cbt-red:#c2412d;--cbt-purple:#7c4dbe;--cbt-gold:#c0922f;max-width:980px;margin:0 auto;background:var(--cbt-paper);color:var(--cbt-ink);border-radius:16px;border:1px solid var(--cbt-line);box-shadow:0 30px 70px -30px rgba(0,0,0,.65),0 2px 0 hsla(0,0%,100%,.04);overflow:hidden}.cbt-shell h3,.cbt-shell h4{font-family:var(--serif);color:var(--cbt-ink);letter-spacing:-.02em}.cbt-shell p{color:var(--cbt-dim)}.cbt-intro{padding:clamp(26px,5vw,46px)}.cbt-intro-top{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}.cbt-free-badge{display:inline-block;font:700 10px var(--mono);letter-spacing:.16em;background:#e7f6ed;color:var(--cbt-green);border:1px solid #bfe6d1;padding:5px 11px;border-radius:999px}.cbt-intro-meta{font:600 11px var(--mono);color:var(--cbt-dim)}.cbt-intro h3{font-size:clamp(26px,4vw,38px);margin:22px 0 10px;line-height:1.1}.cbt-intro-lede{font-size:15px;max-width:620px}.cbt-chip-row{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0 14px}.cbt-chip-row span{font:600 11.5px var(--mono);background:var(--cbt-soft);border:1px solid var(--cbt-line);color:var(--cbt-ink);padding:7px 12px;border-radius:999px}.cbt-intro-note{font-size:13.5px;border-left:3px solid var(--cbt-gold);padding-left:12px;margin:6px 0 26px}.cbt-start-btn{background:#14342b;color:#f6f1e4;border:none;border-radius:999px;padding:15px 26px;font-weight:800;font-size:14px;cursor:pointer;display:inline-flex;gap:22px;align-items:center;transition:transform .18s,box-shadow .18s}.cbt-start-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(20,52,43,.8)}.cbt-start-btn.small{padding:11px 18px;font-size:12.5px}.cbt-head{display:flex;justify-content:space-between;align-items:center;gap:16px;background:linear-gradient(135deg,#14342b,#0e1c17);color:#f1ecdd;padding:14px clamp(14px,3vw,24px)}.cbt-head-title{display:flex;flex-direction:column;line-height:1.3}.cbt-head-title b{font-size:14.5px}.cbt-head-title span{font:500 10.5px var(--mono);color:#9fb3a5;letter-spacing:.06em}.cbt-head-right{display:flex;align-items:center;gap:12px}.cbt-timer{font:700 16px var(--mono);background:hsla(0,0%,100%,.1);border:1px solid rgba(226,179,95,.4);color:var(--gold);padding:7px 13px;border-radius:8px}.cbt-timer.low{background:#4a1d15;border-color:#c2412d;color:#ff9c86;animation:cbtPulse 1s infinite}@keyframes cbtPulse{50%{opacity:.55}}.cbt-head-submit{background:transparent;border:1px solid hsla(45,42%,91%,.5);color:#f1ecdd;font:700 11.5px var(--mono);padding:8px 14px;border-radius:7px;cursor:pointer}.cbt-head-submit:hover{background:hsla(45,42%,91%,.14)}.cbt-body{display:grid;grid-template-columns:1fr 240px}.cbt-main{padding:clamp(16px,3vw,26px);background:var(--cbt-paper);min-width:0}.cbt-qmeta{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--cbt-line);flex-wrap:wrap}.cbt-qno{font:800 12px var(--mono);color:#14342b;letter-spacing:.05em;text-transform:uppercase}.cbt-marks{font:600 11px var(--mono);color:var(--cbt-dim)}.cbt-chip{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin:16px 0 14px;padding:9px 12px;background:var(--cbt-soft);border:1px solid var(--cbt-line);border-left:3px solid var(--cbt-gold);border-radius:8px}.cbt-chip-tag{font:700 9px var(--mono);letter-spacing:.14em;color:var(--cbt-gold);background:#fdf6e7;border:1px solid #f0e2c2;padding:3px 7px;border-radius:5px}.cbt-chip b{font-size:13.5px;color:var(--cbt-ink)}.cbt-chip-sub{font:600 10.5px var(--mono);color:var(--cbt-dim);background:#fff;border:1px solid var(--cbt-line);padding:3px 8px;border-radius:999px}.cbt-chip-link{font:700 10.5px var(--mono);color:var(--cbt-green);margin-left:auto;text-decoration:none;border-bottom:1px dashed #bfe6d1}.cbt-q{font-size:clamp(16px,2.4vw,20px);font-weight:600;color:var(--cbt-ink);line-height:1.5;margin:4px 0 20px}.cbt-opts{display:grid;grid-gap:10px;gap:10px}.cbt-opt{display:flex;align-items:center;gap:13px;text-align:left;cursor:pointer;background:#fff;border:1.5px solid var(--cbt-line);border-radius:10px;padding:13px 15px;font-size:14.5px;color:var(--cbt-ink);transition:border-color .15s,background .15s}.cbt-opt i{font:700 12px var(--mono);font-style:normal;width:27px;height:27px;flex:none;display:grid;place-items:center;border:1.5px solid var(--cbt-line);border-radius:50%;color:var(--cbt-dim);transition:inherit}.cbt-opt:hover{border-color:#9fc4ae;background:#f7fbf9}.cbt-opt.selected{border-color:var(--cbt-green);background:#eef8f2}.cbt-opt.selected i{background:var(--cbt-green);border-color:var(--cbt-green);color:#fff}.cbt-foot{justify-content:space-between;align-items:center;gap:12px;margin-top:22px;padding-top:16px;border-top:1px solid var(--cbt-line)}.cbt-foot,.cbt-foot-left{display:flex;flex-wrap:wrap}.cbt-foot-left{gap:8px}.cbt-foot button{background:#fff;border:1.5px solid var(--cbt-line);color:var(--cbt-dim);font:600 11.5px var(--mono);padding:9px 13px;border-radius:8px;cursor:pointer}.cbt-foot button:hover:not(:disabled){border-color:#9fc4ae;color:var(--cbt-ink)}.cbt-foot button:disabled{opacity:.4;cursor:not-allowed}.cbt-foot button.on{border-color:var(--cbt-purple);color:var(--cbt-purple);background:#f5f0ff}.cbt-save{background:var(--gold)!important;border-color:var(--gold)!important;color:#1a130a!important;font-weight:800!important;padding:11px 20px!important}.cbt-save:hover{box-shadow:0 8px 18px -8px rgba(226,179,95,.8)}.cbt-side{background:var(--cbt-soft);border-left:1px solid var(--cbt-line);padding:18px 16px;display:flex;flex-direction:column}.cbt-side-title{font:800 10.5px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--cbt-dim);margin-bottom:12px}.cbt-palette{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:7px;gap:7px}.cbt-palette button{aspect-ratio:1;border-radius:7px;font:700 11.5px var(--mono);cursor:pointer;border:1.5px solid transparent;background:#fff;color:var(--cbt-dim);border-color:var(--cbt-line)}.cbt-palette button.ans{background:var(--cbt-green);border-color:var(--cbt-green);color:#fff}.cbt-palette button.mark{background:var(--cbt-purple);border-color:var(--cbt-purple);color:#fff}.cbt-palette button.cur{outline:2.5px solid var(--gold);outline-offset:1.5px}.cbt-legend{display:grid;grid-gap:7px;gap:7px;margin-top:16px;font:600 10.5px var(--mono);color:var(--cbt-dim)}.cbt-legend i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:6px;vertical-align:-1px;border:1px solid var(--cbt-line)}.lg-ans{background:var(--cbt-green);border-color:var(--cbt-green)!important}.lg-non{background:#fff}.lg-mark{background:var(--cbt-purple);border-color:var(--cbt-purple)!important}.cbt-side-submit{margin-top:auto;width:100%;background:#14342b;color:#f6f1e4;border:none;font-weight:800;font-size:12.5px;padding:12px;border-radius:9px;cursor:pointer}.cbt-side-submit:hover{background:#1c4a3c}.cbt-report{padding:clamp(20px,4vw,34px)}.cbt-report-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;flex-wrap:wrap}.cbt-report-head h3{font-size:clamp(22px,3.4vw,30px);margin:14px 0 0;max-width:560px;line-height:1.2}.cbt-score-row{display:flex;align-items:center;gap:clamp(14px,3vw,30px);flex-wrap:wrap;margin:26px 0;padding:20px;background:var(--cbt-soft);border:1px solid var(--cbt-line);border-radius:13px}.cbt-score{display:flex;align-items:baseline;gap:5px;padding-right:22px;border-right:1px solid var(--cbt-line)}.cbt-score b{font:600 clamp(40px,7vw,58px)/1 var(--serif);color:var(--cbt-gold)}.cbt-score span{font:700 13px var(--mono);color:var(--cbt-dim)}.cbt-stat{display:flex;flex-direction:column}.cbt-stat b{font:600 24px var(--serif);color:var(--cbt-ink)}.cbt-stat span{font:600 10px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--cbt-dim)}.cbt-report-grid{display:grid;grid-template-columns:1.15fr .85fr;grid-gap:26px;gap:26px}.cbt-sub-head{font:800 11px var(--mono);letter-spacing:.13em;text-transform:uppercase;color:var(--cbt-gold);margin-bottom:12px}.cbt-table{width:100%;border-collapse:collapse;font-size:13px}.cbt-table th{text-align:left;font:700 10px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--cbt-dim);padding:7px 8px;border-bottom:1.5px solid var(--cbt-line)}.cbt-table td{padding:9px 8px;border-bottom:1px solid var(--cbt-line);color:var(--cbt-ink)}.cbt-table td b{display:block;font-size:13px;font-weight:600}.cbt-table td em{font-style:normal;font:600 10px var(--mono);color:var(--cbt-dim)}.cbt-table tr.weak td{background:#fdf5f3}.cbt-table tr.weak td b{color:var(--cbt-red)}.cbt-miss-chips{display:grid;grid-gap:8px;gap:8px}.cbt-miss-chips span{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:#fdf5f3;border:1px solid #f2d6d0;border-radius:9px;padding:9px 12px;font-size:13px;color:var(--cbt-ink)}.cbt-miss-chips b{font:700 14px var(--mono);color:var(--cbt-red)}.cbt-miss-chips em{font-style:normal;font:600 10px var(--mono);color:var(--cbt-dim);margin-left:auto}.cbt-perfect{font-size:13.5px;color:var(--cbt-green)!important;font-weight:600}.cbt-upsell{margin-top:22px;background:linear-gradient(150deg,#fdf8ee,#faf3e3);border:1px solid #f0e2c2;border-radius:14px;padding:20px}.cbt-upsell-eyebrow{font:700 9.5px var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--cbt-gold)}.cbt-upsell h4{font-size:19px;margin:9px 0 8px;line-height:1.25}.cbt-upsell p{font-size:13px;line-height:1.6}.cbt-upsell-btn{display:flex;align-items:center;justify-content:space-between;gap:14px;background:#14342b;color:#f6f1e4;text-decoration:none;font-weight:800;font-size:13.5px;padding:14px 17px;border-radius:10px;margin-top:14px;transition:transform .18s}.cbt-upsell-btn:hover{transform:translateY(-2px)}.cbt-upsell small{display:block;margin-top:10px;font:600 10.5px var(--mono);color:var(--cbt-dim)}.cbt-review{margin-top:30px}.cbt-review-head{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}.cbt-review-toggle{display:flex;gap:7px}.cbt-review-toggle button{border:1.5px solid var(--cbt-line);background:#fff;color:var(--cbt-dim);font:700 11px var(--mono);padding:7px 12px;border-radius:999px;cursor:pointer}.cbt-review-toggle button.on{background:#14342b;border-color:#14342b;color:#f6f1e4}.cbt-review-item{border-top:1px solid var(--cbt-line);padding:15px 0}.cbt-review-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.cbt-review-meta>span:first-child{font:800 11px var(--mono);color:var(--cbt-dim)}.cbt-review-meta b{font-size:13px}.cbt-review-item>p{font-size:14.5px;font-weight:600;color:var(--cbt-ink);margin:8px 0 10px}.cbt-review-answers{display:flex;gap:10px;flex-wrap:wrap;font-size:12.5px;font-weight:600}.cbt-review-answers .ok{color:var(--cbt-green)}.cbt-review-answers .bad{color:var(--cbt-red)}.cbt-review-answers .skip{color:var(--cbt-dim)}.cbt-review-answers span{background:var(--cbt-soft);border:1px solid var(--cbt-line);padding:6px 10px;border-radius:7px}@media (max-width:860px){.cbt-body{grid-template-columns:1fr}.cbt-side{border-left:none;border-top:1px solid var(--cbt-line)}.cbt-palette{grid-template-columns:repeat(10,1fr)}.cbt-report-grid{grid-template-columns:1fr}}@media (max-width:560px){.cbt-foot{flex-direction:column;align-items:stretch}.cbt-foot-left{justify-content:space-between}.cbt-save{width:100%}.cbt-score-row{gap:16px}.cbt-score{border-right:none;padding-right:0;width:100%}.cbt-palette{grid-template-columns:repeat(5,1fr)}.cbt-chip-link{margin-left:0}}