.qr-study{--qr-ink:#263c3d;--qr-muted:#607574;--qr-accent:#ab7c35;color:var(--qr-ink);background:#f1f5f3;border-radius:20px;min-width:0;padding:24px 28px 20px;font-size:16px;line-height:1.5}.qr-study *,.qr-study :before,.qr-study :after{box-sizing:border-box}.qr-study p,.qr-study h3{margin:0}.qr-study small{font-size:16px}.qr-study button,.qr-study input,.qr-study select,.qr-study summary,.qr-explore-actions a{font:inherit;min-height:44px}.qr-heading{color:var(--qr-muted);letter-spacing:.03em;justify-content:space-between;gap:12px;font-size:16px;display:flex}.qr-study[data-watch=true]{flex-direction:column;min-height:640px;display:flex}.qr-study[data-watch=true] .qr-film-surface{flex:1;padding-top:12px}.qr-study[data-watch=true]:not([data-chapter="2"]):not([data-chapter="7"]) .qr-film-note{display:none}.qr-intro{min-height:94px;margin:18px 0 20px}.qr-intro h3{letter-spacing:-.035em;margin-bottom:8px;font-size:27px;font-weight:500;line-height:1.3}.qr-intro p{max-width:780px;font-size:17px}.qr-film-surface{flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:460px;display:flex}.qr-film-note{color:var(--qr-muted);border-top:1px solid #536e6320;padding-top:14px;font-size:16px;margin-top:20px!important}.qr-paper{background:#fff;width:min(100%,380px);box-shadow:0 10px 42px #284e4a07}.qr-matrix{width:100%;height:auto;display:block}.qr-origin{text-align:center;width:min(100%,650px)}.qr-url-type{letter-spacing:.035em;overflow-wrap:anywhere;font-family:monospace;font-size:clamp(20px,4vw,32px)}.qr-study mark{color:inherit;background:#e6cda162;border-radius:3px;padding:0 .06em}.qr-byte-portrait{justify-content:center;align-items:center;gap:32px;margin:18px auto;display:flex}.qr-byte-portrait>span{font-family:Georgia,serif;font-size:122px;font-style:italic;font-weight:400;line-height:1.2}.qr-byte-portrait>div{text-align:left;border-left:1px solid #9fafac;gap:4px;padding-left:24px;display:grid}.qr-byte-portrait b{font-size:36px;font-weight:400}.qr-byte-portrait code{font-size:20px}.qr-eight-bits{grid-template-columns:repeat(8,minmax(0,1fr));gap:8px;max-width:500px;margin:auto;display:grid}.qr-eight-bits>span{border-top:1px solid #b6c8c2;border-radius:6px;gap:8px;padding:8px 0;display:grid}.qr-eight-bits b{font-size:32px;font-weight:450}.qr-eight-bits small{color:var(--qr-muted)}.qr-eight-bits [data-tracked=true]{border-top:2px solid var(--qr-accent);background:#e5d6b741}.qr-origin-note{justify-content:center;align-items:center;gap:28px;margin-top:24px;display:flex}.qr-origin-note strong{font-size:21px;font-weight:450}.qr-stream-sheet,.qr-rs-sheet{width:min(100%,820px)}.qr-stream-fields{grid-template-columns:1fr 1.5fr 1.5fr 1fr;gap:14px;display:grid}.qr-stream-fields>div{background:#ffffff60;border-top:2px solid #78a09a;border-radius:8px;gap:8px;padding:12px 10px;display:grid}.qr-stream-fields code{letter-spacing:.03em;font-size:20px}.qr-stream-fields small{color:var(--qr-muted)}.qr-stream-fields [data-revealed=false] code{color:#b6c6c0}.qr-stream-total{color:var(--qr-muted);justify-content:flex-end;align-items:baseline;gap:18px;margin:12px 0;display:flex}.qr-stream-total b{color:var(--qr-ink);font-size:25px;font-weight:450}.qr-codeword-strip{grid-template-columns:repeat(10,minmax(0,1fr));gap:6px;display:grid}.qr-codeword-strip>span{background:#e6eeea;border-bottom:2px solid #0000;border-radius:6px;justify-content:space-around;align-items:baseline;gap:3px;min-width:0;padding:5px;display:flex}.qr-codeword-strip small{color:var(--qr-muted);font-size:16px}.qr-codeword-strip b{font-family:monospace;font-size:18px;font-weight:450}.qr-codeword-strip [data-active=true]{background:#d1e2dc;border-color:#4b8b7d}.qr-codeword-strip [data-tracked=true]{box-shadow:inset 0 0 0 1px #b7955e65}.qr-padding-compare{border-top:1px solid #8ba79d3d;grid-template-columns:auto 1fr;gap:8px 18px;margin-top:20px;padding-top:15px;display:grid}.qr-padding-compare>div{grid-column:1/-1;gap:12px;display:flex}.qr-padding-compare b{color:#7c8273;font-family:monospace;font-size:18px;font-weight:450}.qr-padding-compare p{color:var(--qr-muted);grid-column:1/-1;font-size:16px}.qr-padding-compare[data-revealed=false]{visibility:hidden}.qr-rs-heading{justify-content:space-between;gap:16px;margin-bottom:14px;display:flex}.qr-rs-heading b{flex-shrink:0;font-weight:450}.qr-polynomial{justify-content:center;align-items:center;gap:28px;margin:24px auto;display:flex}.qr-polynomial>span{color:#668881;font-size:30px;font-weight:450}.qr-polynomial>div{text-align:center;border-top:1px solid #91a49c;border-bottom:1px solid #91a49c;gap:4px;padding:12px 25px;display:grid}.qr-polynomial b{font-size:24px;font-weight:450}.qr-polynomial code{font-size:17px}.qr-rs-sheet>p{text-align:center;margin-bottom:10px}.qr-remainders{grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;max-width:580px;margin:0 auto;display:grid}.qr-remainders>span{text-align:center;background:#a27da50b;border-bottom:2px solid #ae94b6;border-radius:7px;gap:4px;padding:7px 0;display:grid}.qr-remainders small{color:#74677e}.qr-remainders b{font-family:monospace;font-size:23px;font-weight:450}.qr-rs-contract{justify-content:center;align-items:center;gap:24px;margin:20px 0 15px;display:flex}.qr-rs-contract b{font-size:26px;font-weight:450}.qr-quiet-copy{color:var(--qr-muted);font-size:16px}.qr-reserved-legend{justify-content:center;gap:24px;display:flex}.qr-reserved-legend span{border-bottom:2px solid #0000;padding:4px 0}.qr-reserved-legend [data-active=true]{border-color:#a27e4d}.qr-placement-note{align-items:baseline;gap:18px;display:flex}.qr-placement-note b{font-size:24px;font-weight:450}.qr-placement-note code{font-size:17px}.qr-mask-reason{width:min(100%,650px)}.qr-mask-options{grid-template-columns:repeat(8,minmax(0,1fr));gap:6px;display:grid}.qr-mask-options>div{text-align:center;border-top:2px solid #a7b7ad;border-radius:8px;gap:3px;padding:8px;display:grid;position:relative}.qr-mask-options [data-current=true]{background:#e6d9bb55;border-color:#956834}.qr-mask-options [data-best=true]{box-shadow:inset 0 0 0 1px #75978f70}.qr-mask-options b{font-size:19px;font-weight:450}.qr-mask-options i{color:#478373;font-size:16px;font-style:normal;position:absolute;top:3px;right:4px}.qr-mask-reason>p{justify-content:center;gap:20px;margin-top:10px;font-size:16px;display:flex}.qr-mask-reason>p b{font-weight:450}.qr-format-note{grid-template-columns:auto auto;align-items:baseline;gap:5px 25px;display:grid}.qr-format-note code{font-size:20px}.qr-format-note p{color:var(--qr-muted);grid-column:1/-1;margin-top:10px;font-size:16px}.qr-bit-receipt{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 25px;display:flex}.qr-bit-receipt code{font-size:18px}.qr-bit-receipt>span{color:var(--qr-muted)}.qr-final-receipt{text-align:center;gap:8px;display:grid}.qr-final-receipt b{overflow-wrap:anywhere;font:20px monospace}.qr-final-receipt span{color:var(--qr-muted)}.qr-invalid{color:#925a3c;place-content:center;gap:18px;min-height:320px;display:grid}.qr-explore{border-top:1px solid #a7bdb23b;margin-top:24px;padding-top:20px}.qr-explore>label{margin:15px 0 7px;display:block}.qr-explore input,.qr-explore select{width:100%;min-width:0;color:var(--qr-ink);background:#fff;border:1px solid #bdcdc4;border-radius:9px;padding:8px 12px}.qr-explore input[aria-invalid=true]{border-color:#a36942}.qr-explore>p{color:var(--qr-muted);margin-top:8px;font-size:16px}.qr-explore-actions{flex-wrap:wrap;gap:8px;margin:20px 0;display:flex}.qr-explore-actions button,.qr-explore-actions a{color:var(--qr-ink);cursor:pointer;background:#e1ebe6;border:1px solid #bed1c9;border-radius:9px;justify-content:center;align-items:center;padding:8px 15px;text-decoration:none;display:inline-flex}.qr-explore-actions button[aria-pressed=true]{background:#d2e3db;border-color:#477d75}.qr-trace-controls{grid-template-columns:1fr 1fr;gap:14px;display:grid}.qr-trace-controls label{gap:7px;display:grid}.qr-trace-controls .qr-bit-receipt{grid-column:1/-1;margin:10px 0}.qr-calculation{margin:16px 0}.qr-calculation summary{cursor:pointer;padding:10px 0}.qr-calculation p{overflow-wrap:anywhere;margin:12px 0}.qr-study :is(button,input,select,summary,a):focus-visible{outline-offset:3px;outline:3px solid #4b857c}.qr-study[data-playing=true] .qr-codeword-strip>span{transition:background .45s,border-color .45s}@media (max-width:600px){.qr-study{border-radius:12px;padding:16px 12px 14px}.qr-study[data-watch=true]{flex-direction:column;min-height:600px;display:flex}.qr-heading{letter-spacing:0;display:block}.qr-heading span:last-child{display:none}.qr-intro{min-height:96px;margin:12px 0 16px}.qr-intro h3{font-size:23px}.qr-intro p{font-size:16px;line-height:1.5}.qr-film-surface{flex:1;gap:14px;width:100%;min-height:0}.qr-film-note{padding-top:12px;font-size:16px;margin-top:14px!important}.qr-paper{width:100%;max-width:300px;box-shadow:none}.qr-url-type{letter-spacing:0;font-size:19px}.qr-byte-portrait{gap:20px;margin:16px auto}.qr-byte-portrait>span{font-size:100px}.qr-byte-portrait>div{padding-left:16px}.qr-byte-portrait b{font-size:31px}.qr-eight-bits{gap:3px}.qr-eight-bits b{font-size:23px}.qr-eight-bits>span{gap:4px}.qr-origin-note{gap:8px;margin-top:18px;display:grid}.qr-origin-note strong{font-size:20px}.qr-stream-fields{grid-template-columns:1fr 1fr;gap:10px}.qr-stream-fields>div{gap:2px;padding:6px 8px}.qr-stream-fields code{letter-spacing:0;font-size:17px}.qr-stream-total{margin:8px 0}.qr-stream-total b{font-size:22px}.qr-codeword-strip{grid-template-columns:repeat(5,minmax(0,1fr));gap:4px}.qr-codeword-strip>span{flex-direction:column;align-items:center;gap:0;padding:3px}.qr-codeword-strip b{font-size:17px}.qr-stream-sheet>.qr-codeword-strip{display:none}.qr-padding-compare{grid-template-columns:1fr;gap:5px;margin-top:16px}.qr-padding-compare>div{justify-content:space-between;gap:0}.qr-padding-compare b{font-size:16px}.qr-rs-heading{gap:8px;margin-bottom:10px}.qr-rs-sheet .qr-codeword-strip small,.qr-study[data-watch=true] .qr-rs-sheet>.qr-codeword-strip{display:none}.qr-polynomial{gap:10px;margin:20px 0}.qr-polynomial>div{padding:8px}.qr-polynomial code{display:none}.qr-polynomial>span{font-size:24px}.qr-remainders{gap:4px}.qr-remainders b{font-size:18px}.qr-remainders>span{padding:4px 0}.qr-rs-contract{text-align:center;gap:5px;margin:16px 0 10px;display:grid}.qr-rs-contract b{font-size:23px}.qr-rs-sheet .qr-quiet-copy{display:none}.qr-reserved-legend{flex-wrap:wrap;gap:12px}.qr-placement-note{flex-wrap:wrap;justify-content:center;gap:8px}.qr-placement-note b{font-size:22px}.qr-mask-options{grid-template-columns:repeat(4,minmax(0,1fr));gap:4px}.qr-mask-options>div{gap:0;padding:3px}.qr-mask-options b{font-size:18px}.qr-mask-reason>p{text-align:center;gap:4px;display:grid}.qr-study[data-watch=true] .qr-mask-reason>p{display:none}.qr-format-note{grid-template-columns:minmax(0,1fr) auto;gap:8px;width:100%}.qr-format-note code{font-size:16px}.qr-bit-receipt{text-align:center;gap:6px;width:100%;display:grid}.qr-bit-receipt code{font-size:16px}.qr-final-receipt b{font-size:19px}.qr-trace-controls{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.qr-study .qr-codeword-strip>span{transition:none!important}}
