/* Polymer studio: dark application frame, clear scientific canvas. */
.pcb-page{background:#f0f4f8;color:#24374c;font-family:Inter,"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;-webkit-font-smoothing:antialiased}
.pcb-page *{box-sizing:border-box}.pcb-page main{max-width:1400px;width:100%;margin:auto;padding:24px 32px 48px}.pcb-page .site-header,.pcb-page .site-footer{background:#fff}.pcb-page .site-header{border-bottom:1px solid #dce4ee}.pcb-page .breadcrumb{font-size:12px;color:#6a7d91;margin-bottom:22px}
.pcb-heading{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 340px;align-items:center;gap:40px;overflow:hidden;background:radial-gradient(ellipse at 85% 10%,#21675f66,transparent 60%),linear-gradient(120deg,#112237,#173e50);border:1px solid #244656;border-radius:26px;padding:38px 44px;margin-bottom:28px;box-shadow:0 14px 35px #152c4220}
.pcb-eyebrow{display:flex;align-items:center;gap:12px;color:#a4d9d4;font-size:11px;letter-spacing:.15em;font-weight:700;margin:0}.pcb-eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:#6ee7cc;box-shadow:0 0 0 4px #6ee7cc15}.pcb-eyebrow>span{letter-spacing:0;padding:3px 7px;border:1px solid #ffffff25;border-radius:5px;color:#d0e1e6;font-weight:400}
.pcb-heading h1{font-size:clamp(32px,3.5vw,48px);line-height:1.35;letter-spacing:-.04em;color:#fff;margin:20px 0 15px;font-weight:750}.pcb-heading h1 span{color:#90e6d7}.pcb-hero-description{font-size:14px;line-height:1.95;color:#c2d3df;margin:0}.pcb-hero-bottom{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:22px}.pcb-hero-bottom>span{font-size:11px;padding:5px 9px;background:#ffffff0a;border:1px solid #ffffff1f;border-radius:6px;color:#d9e9ec}.pcb-guide-link{margin-left:8px;font-size:12px;color:#c8ebe5;text-decoration:none;padding:7px 0}.pcb-guide-link:hover{color:white;text-decoration:underline}
.pcb-hero-art{padding:22px;border:1px solid #ffffff25;background:linear-gradient(145deg,#ffffff0c,#ffffff03);border-radius:18px;transform:rotate(-3deg);box-shadow:0 20px 45px #07172c35}.pcb-art-top{display:flex;justify-content:space-between;color:#99bfc5;font-size:10px;letter-spacing:.16em}.pcb-art-top>span{font-size:18px}.pcb-art-chain{display:flex;align-items:center;justify-content:center;padding:36px 0 26px;transform:rotate(3deg)}.pcb-art-chain>span{width:44px;height:51px;display:grid;place-items:center;flex-shrink:0;background:linear-gradient(145deg,#baeee1,#65ccb9);color:#154b48;border:1px solid #d4fff066;border-radius:12px;font-size:18px;font-weight:700;box-shadow:0 6px 15px #081c2d33}.pcb-art-chain>span.b{background:linear-gradient(145deg,#dbcdf9,#b49ce8);color:#4e3979}.pcb-art-chain>span:nth-of-type(2n){transform:translateY(-12px)}.pcb-art-chain>i{height:2px;flex:1;min-width:6px;background:#8fafb3;transform:rotate(-15deg)}.pcb-art-chain>i:nth-of-type(2n){transform:rotate(15deg)}.pcb-art-caption{display:flex;gap:18px;justify-content:center;color:#88deca;font-size:11px}.pcb-art-caption>span+span{color:#cbb5ed}.pcb-hero-art>p{margin:25px 0 0;padding-top:14px;border-top:1px solid #ffffff18;color:#d4e7e8;font-size:13px;text-align:center;letter-spacing:.04em}
.pcb-workspace{display:grid;grid-template-columns:280px minmax(0,1fr);gap:22px;align-items:start}.pcb-controls,.pcb-result{border-radius:20px;overflow:hidden}.pcb-controls{background:linear-gradient(165deg,#182b42,#1c3549);color:#edf6ff;padding:24px;border:1px solid #233f53;box-shadow:0 8px 24px #20374b14}.pcb-workspace h2,.pcb-export h3{display:flex;align-items:center;gap:12px;font-size:12px;letter-spacing:.04em;color:#64b5a5;margin:0 0 24px}.pcb-workspace h2 span,.pcb-export h3 span{font-size:17px;color:#253e55;font-weight:700}.pcb-controls h2{padding-bottom:18px;border-bottom:1px solid #ffffff16}.pcb-controls h2 span{color:#f1f6fc}
.pcb-controls label{display:block;font-weight:600;font-size:13px;color:#d2e1ee;margin:18px 0 8px}.pcb-controls small{font-weight:400;color:#9db2c5;margin-left:8px;font-size:11px}.pcb-controls input,.pcb-controls select{width:100%;min-height:46px;border:1px solid #546a7f;border-radius:9px;background:#223b50;color:#f2f8ff;padding:10px;font:inherit;font-size:14px;color-scheme:dark}.pcb-controls input:hover,.pcb-controls select:hover{border-color:#8bb2c3;background:#28465c}.pcb-controls fieldset{border:0;border-top:1px solid #ffffff16;margin:23px 0;padding:19px 0 0}.pcb-controls legend{float:left;width:100%;font-size:13px;font-weight:600;color:#d2e1ee;margin-bottom:10px}.pcb-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px;clear:both}.pcb-pair label{margin:0;color:#a9bdce;font-size:12px}.pcb-pair select{margin-top:7px}
.pcb-workspace button,.pcb-import{cursor:pointer;font:inherit;font-size:13px;line-height:1.4;font-weight:600;border:1px solid #d7e2eb;border-radius:8px;background:#fff;padding:10px 13px;color:#3b526b;min-height:40px;transition:background .15s,border-color .15s,box-shadow .15s,transform .15s}.pcb-workspace button:hover,.pcb-import:hover{background:#f0faf7;border-color:#6bbdad;box-shadow:0 2px 6px #15384b08}.pcb-workspace button:active{transform:translateY(1px)}.pcb-workspace button:disabled{opacity:.38;cursor:default;box-shadow:none;transform:none}.pcb-workspace button:focus-visible,.pcb-workspace input:focus-visible,.pcb-workspace select:focus-visible,.pcb-import:focus-within,.pcb-canvas:focus-visible,.pcb-guide-link:focus-visible{outline:3px solid #e7b44d;outline-offset:3px}
.pcb-workspace .pcb-primary{background:linear-gradient(110deg,#71dfc9,#47c5b4);color:#103e3c;border:1px solid #8defd9;width:100%;font-size:14px;font-weight:750;display:flex;justify-content:space-between;align-items:center;padding:14px 16px;min-height:50px;border-radius:10px;box-shadow:0 4px 16px #0cceb91c}.pcb-workspace .pcb-primary:hover{background:#97eedb;box-shadow:0 6px 20px #1ad4bd28}.pcb-primary span{font-size:20px;font-weight:400;line-height:1}.pcb-hint{font-size:12px;color:#a9bfd0;line-height:1.85}.pcb-local-note{position:relative;font-size:12px;color:#a6c5d0;border-top:1px solid #ffffff16;margin-top:22px;padding:17px 0 0 18px;line-height:1.9}.pcb-local-note::before{content:"";position:absolute;left:0;top:24px;width:6px;height:6px;border-radius:50%;background:#7bd7c3}
.pcb-result{padding:26px;background:#fff;border:1px solid #dce5ee;box-shadow:0 8px 28px #233e5610;min-width:0}.pcb-result-head{display:flex;justify-content:space-between;align-items:start;gap:10px;flex-wrap:wrap}.pcb-result-head h2{margin-bottom:10px}.pcb-badge{font-size:11px;font-weight:600;padding:6px 10px;border:1px solid #d4e9e2;border-radius:30px;background:#f0faf6;color:#377868}.pcb-status{font-size:12px;color:#667e92;margin:0 0 20px;min-height:18px}.pcb-stats{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:10px;margin-bottom:22px}.pcb-stats>div{background:#f3f7fb;border:1px solid #e3ebf3;border-radius:12px;padding:16px 14px;min-width:0}.pcb-stats>div:first-child{background:linear-gradient(135deg,#eaf6f3,#f4fbf8);border-color:#d5eae3}.pcb-stats span{display:block;color:#647d91;font-size:11px;margin-bottom:9px}.pcb-stats strong{font-size:clamp(16px,1.5vw,21px);color:#25465b;letter-spacing:-.02em;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.pcb-stats>div:first-child strong{color:#1f7567;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.pcb-canvas-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:8px 0 10px}.pcb-canvas-head p{font-size:13px;font-weight:700;margin:0;color:#334e65;display:flex;align-items:center;gap:7px}.pcb-canvas-head p::before{content:"";width:4px;height:14px;border-radius:3px;background:#45bba5}.pcb-canvas-head p span{font-weight:400;color:#74899a;font-size:11px;margin-left:5px}.pcb-zoom{display:flex;gap:3px;align-items:center;padding:4px;background:#f1f5f9;border:1px solid #e6edf4;border-radius:10px}.pcb-zoom button{padding:4px 9px;min-height:32px;font-size:12px;background:transparent;border-color:transparent;border-radius:6px}.pcb-zoom button:hover{background:#fff;border-color:#dce7ee}.pcb-zoom output{font-size:11px;min-width:36px;text-align:center;color:#597187}.pcb-canvas{overflow:auto;border:1px solid #dde7ef;border-radius:13px;background-color:#fff;background-image:radial-gradient(#c9dbe3 1px,transparent 1px);background-size:16px 16px;min-height:240px;max-height:470px;scrollbar-color:#acbecb #f0f5f8;scrollbar-width:thin}.pcb-canvas svg{display:block}.pcb-canvas [data-unit]{cursor:pointer}
.pcb-sequence-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-top:24px}.pcb-sequence-head h3{font-size:15px;margin:0;color:#304c63}.pcb-sequence-head p,.pcb-export p{font-size:12px;color:#6a8194;margin:5px 0;line-height:1.7}.pcb-legend{display:flex;gap:12px;flex-wrap:wrap;color:#6a8194;font-size:11px;margin:12px 0}.pcb-legend span:first-child,.pcb-legend span:nth-child(2){display:inline-flex;align-items:center;gap:5px}.pcb-legend span:first-child::before,.pcb-legend span:nth-child(2)::before{content:"";width:7px;height:7px;border-radius:2px;background:#65c7b0}.pcb-legend span:nth-child(2)::before{background:#ae90d7}.pcb-sequence{display:flex;gap:8px;flex-wrap:wrap;padding:16px;background:#f5f8fb;border:1px solid #e5edf4;border-radius:12px;max-height:200px;overflow:auto}.pcb-sequence .pcb-unit{min-width:46px;min-height:54px;padding:7px 10px;background:#e8f6f0;color:#287e6e;border-color:#c9e8dd;border-radius:9px;line-height:1.2;font-size:16px;font-weight:750;box-shadow:0 2px 0 #1b78500a}.pcb-unit small{display:block;font-size:10px;font-weight:500;margin-top:5px}.pcb-sequence .pcb-unit.b{background:#f0eafa;color:#7853a0;border-color:#e1d4ef}.pcb-sequence .pcb-unit[aria-pressed=true]{outline:2px solid #217b72;outline-offset:2px;box-shadow:0 4px 10px #23685816}.pcb-edit{display:flex;align-items:center;flex-wrap:wrap;gap:7px;padding:15px 0 24px}.pcb-edit>span{font-size:12px;margin-right:auto;color:#5f788c}.pcb-edit button{font-size:12px;padding:7px 10px;min-height:36px}
.pcb-export{border:1px solid #dde7f0;border-radius:13px;background:linear-gradient(110deg,#f5f8fc,#edf5f7);padding:20px}.pcb-export h3{margin-bottom:4px;color:#52978d}.pcb-export h3 span{font-size:16px}.pcb-export-buttons{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.pcb-export-buttons button{font-size:12px;min-width:58px;box-shadow:0 1px 2px #15324a06}.pcb-export-buttons [data-export=svg]{background:#1e4053;color:#fff;border-color:#1e4053}.pcb-export-buttons [data-export=svg]:hover{background:#295b6b}.pcb-import{position:relative;overflow:hidden;display:inline-flex;align-items:center;font-size:12px;background:transparent;border-style:dashed;color:#587389}.pcb-import input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}
.pcb-help{margin:32px 0 20px;padding:28px 30px;border:1px solid #dce5ee;background:#fff;border-radius:20px;scroll-margin-top:30px}.pcb-help h2{font-size:21px;margin:0 0 24px;color:#2c485f}.pcb-help-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px 36px;counter-reset:help}.pcb-help-grid>div{counter-increment:help;padding-left:32px;position:relative}.pcb-help-grid>div::before{content:"0" counter(help);position:absolute;left:0;top:2px;font-size:11px;font-family:ui-monospace,monospace;font-weight:700;color:#64a99a}.pcb-help h3{font-size:14px;color:#3b586f;margin:0 0 9px}.pcb-help p{font-size:13px;color:#60788d;line-height:1.95;margin:0}.pcb-help .pcb-related{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;border-top:1px solid #e7eef4;padding-top:20px}.pcb-related a{color:#357c71;text-decoration:none;font-size:12px;padding:8px 12px;border:1px solid #dcebe5;border-radius:7px;background:#f6fbf9}.pcb-related a:hover{background:#e8f6ef}#pcb-error{background:#fff3ef;border:1px solid #f0d5cb;color:#a23025;font-size:13px;padding:12px;border-radius:9px;line-height:1.7}.pcb-page [hidden]{display:none!important}
@media(max-width:1100px){.pcb-heading{grid-template-columns:minmax(0,1fr) 270px;gap:28px;padding:32px}.pcb-hero-art{padding:16px}.pcb-art-chain>span{width:34px;height:43px;border-radius:9px;font-size:15px}.pcb-workspace{grid-template-columns:250px minmax(0,1fr);gap:16px}.pcb-result,.pcb-controls{padding:20px}.pcb-stats{grid-template-columns:1fr 1.3fr}.pcb-stats>div:last-child{grid-column:1/-1;display:flex;gap:15px;align-items:center;padding:10px 14px}.pcb-stats>div:last-child span{margin:0}.pcb-stats>div:last-child strong{font-size:14px}}
@media(max-width:850px){.pcb-page main{padding:18px 20px 32px}.pcb-heading{grid-template-columns:1fr 210px;gap:20px;border-radius:20px;padding:27px}.pcb-heading h1{font-size:34px}.pcb-eyebrow{font-size:9px;gap:7px;letter-spacing:.07em}.pcb-art-chain>span{width:27px;height:36px;font-size:13px;border-radius:7px}.pcb-hero-art>p{font-size:11px}.pcb-workspace{grid-template-columns:1fr;gap:18px}.pcb-controls form{display:grid;grid-template-columns:1fr 1fr;gap:10px 15px}.pcb-controls form>label{grid-column:1;margin:8px 0;align-self:center}.pcb-controls form>select,.pcb-controls form>input{grid-column:2}.pcb-controls #pcb-co,.pcb-controls fieldset,.pcb-controls .pcb-primary{grid-column:1/-1}.pcb-controls fieldset{margin:7px 0}.pcb-controls h2{margin-bottom:15px}.pcb-local-note{margin-top:15px}.pcb-stats{grid-template-columns:1fr 1.2fr 1fr}.pcb-stats>div:last-child{grid-column:auto;display:block;padding:16px 14px}.pcb-stats>div:last-child span{margin-bottom:9px}.pcb-help{padding:24px}}
@media(max-width:580px){.pcb-page main{padding:14px 12px 28px}.pcb-page .breadcrumb{font-size:11px;margin-bottom:15px}.pcb-heading{display:block;padding:27px 24px;margin-bottom:20px}.pcb-heading h1{font-size:36px}.pcb-hero-art{display:none}.pcb-hero-description{font-size:13px}.pcb-hero-description br{display:none}.pcb-hero-bottom{gap:6px}.pcb-guide-link{margin-left:3px;font-size:11px}.pcb-hero-bottom>span{font-size:10px}.pcb-result{padding:18px 14px;border-radius:17px}.pcb-result-head h2{margin-bottom:8px}.pcb-badge{margin-bottom:12px;font-size:10px}.pcb-stats{grid-template-columns:1fr 1.25fr;gap:7px}.pcb-stats>div{padding:12px 10px}.pcb-stats strong{font-size:16px}.pcb-stats>div:last-child{grid-column:1/-1;display:flex;gap:15px;align-items:center;padding:10px}.pcb-stats>div:last-child span{margin:0}.pcb-canvas-head p span{display:none}.pcb-zoom{gap:0}.pcb-zoom button{padding:4px 7px;font-size:11px}.pcb-canvas{min-height:220px}.pcb-edit>span{width:100%}.pcb-export{padding:16px 13px}.pcb-export-buttons{gap:6px}.pcb-export-buttons button{min-width:49px;padding:9px}.pcb-import{padding:9px}.pcb-help{padding:22px 18px;border-radius:17px}.pcb-help-grid{grid-template-columns:1fr;gap:22px}.pcb-help h2{font-size:19px}.pcb-controls input,.pcb-controls select{font-size:16px}}
@media(prefers-reduced-motion:reduce){.pcb-workspace button,.pcb-import{transition:none}}
.pcb-view-tabs{display:flex;gap:5px;padding:5px;background:#eef4f8;border:1px solid #dce7ef;border-radius:11px;width:max-content;max-width:100%;margin:4px 0 16px}.pcb-view-tabs button{background:transparent;border-color:transparent;color:#6a8092;min-height:36px;padding:8px 14px}.pcb-view-tabs button[aria-pressed=true]{background:#fff;color:#1d6e63;border-color:#d7e8e1;box-shadow:0 2px 5px #173b4810}.pcb-three{border:1px solid #dde7ef;border-radius:13px;padding:15px;background:#f6f9fc}.pcb-three-generate,.pcb-three-tools,.pcb-three-tools>div{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.pcb-three-generate>label{margin-left:auto;display:flex;align-items:center;gap:5px;color:#526e82;font-size:12px;cursor:pointer}.pcb-three-generate input{width:16px;height:16px;accent-color:#257b6f}#pcb-3d-generate{background:#1c7066;border-color:#1c7066;color:white}#pcb-3d-generate:disabled{opacity:.45}.pcb-three-status{font-size:12px;color:#546f82;min-height:20px;line-height:1.8;margin:12px 0}.pcb-three-canvas{display:block;width:100%;height:380px;border-radius:11px;background:#0e1d30;touch-action:none;cursor:grab}.pcb-three-canvas:active{cursor:grabbing}.pcb-three-canvas:focus-visible{outline:3px solid #e7b44d;outline-offset:3px}.pcb-three-tools{justify-content:space-between;margin:12px 0}.pcb-three-tools button{font-size:11px;padding:7px 10px;min-height:34px}.pcb-three-tools [aria-pressed=true]{background:#d8efe7;color:#1b685b;border-color:#80bfae}.pcb-three-note{font-size:11px;line-height:1.9;color:#667f91;margin:9px 0 0}.pcb-three-note>span{color:#497b8c;font-weight:700}.pcb-three-note>span:nth-child(2){color:#b64d4c}.pcb-three-note>span:nth-child(3){color:#7a8794}.pcb-three-note a{color:#397a70}@media(max-width:580px){.pcb-three{padding:10px}.pcb-three-generate>label{margin-left:0}.pcb-three-tools{gap:10px}.pcb-three-canvas{height:380px}}
.pcb-three-styles{border:0;padding:0;margin:16px 0 10px;min-width:0}.pcb-three-styles legend{font-size:12px;color:#587487;font-weight:600;margin-bottom:8px}.pcb-three-styles>div{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px;padding:5px;border:1px solid #dce7ee;border-radius:10px;background:#eaf1f6}.pcb-three-styles button{font-size:12px;background:transparent;border-color:transparent;color:#607a8d;min-width:0;padding:8px 6px;min-height:38px}.pcb-three-styles button[aria-pressed=true]{background:#fff;border-color:#c5e0d7;color:#1d7062;box-shadow:0 2px 5px #1c4a4d12}.pcb-three-note #pcb-3d-style-note{font-weight:400;color:#667f91}@media(max-width:400px){.pcb-three-styles>div{grid-template-columns:repeat(2,minmax(0,1fr))}}
.pcb-three-appearance{margin:12px 0;border:1px solid #dce7ee;border-radius:10px;background:#fff;overflow:hidden}.pcb-three-appearance summary{font-size:12px;font-weight:650;color:#40677a;padding:12px 14px;cursor:pointer;min-height:42px}.pcb-three-appearance[open] summary{border-bottom:1px solid #e7eef3;background:#f1f7f8}.pcb-element-heading,.pcb-element-row{display:grid;grid-template-columns:74px 48px minmax(0,1fr);align-items:center;gap:12px;padding:10px 14px}.pcb-element-heading{font-size:10px;color:#708795;padding-bottom:3px}.pcb-element-row strong{font-size:15px;color:#34576c;display:flex;align-items:baseline;gap:7px}.pcb-element-row small{font-size:11px;font-weight:400;color:#738b99}.pcb-element-row input[type=color]{width:42px;height:34px;border:1px solid #ccdce4;border-radius:7px;background:white;cursor:pointer;padding:3px}.pcb-element-size{display:flex;gap:9px;align-items:center;min-width:0}.pcb-element-size input[type=range]{width:100%;min-width:0;accent-color:#287e70;cursor:pointer}.pcb-element-size output{font-size:11px;color:#547488;min-width:39px;text-align:right;font-variant-numeric:tabular-nums}.pcb-appearance-foot{border-top:1px solid #e7eef3;padding:10px 14px 14px}.pcb-appearance-foot p{font-size:11px;line-height:1.8;color:#738997;margin:0 0 9px}.pcb-appearance-foot button{font-size:11px;min-height:34px;padding:7px 10px}.pcb-three-note>[data-3d-legend]{color:#667f91;font-weight:600;white-space:nowrap}.pcb-three-note>[data-3d-legend] svg{display:inline-block;vertical-align:middle}.pcb-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:400px){.pcb-element-heading,.pcb-element-row{grid-template-columns:60px 40px minmax(0,1fr);gap:8px;padding-left:10px;padding-right:10px}.pcb-element-row input[type=color]{width:36px}.pcb-element-row strong{gap:4px}}

.pcb-intro{margin:0 0 26px;padding:2px 0 20px;border-bottom:1px solid #dce4ee}.pcb-intro h1{margin:0 0 10px;color:#183449;font-size:clamp(24px,3vw,34px);line-height:1.4;letter-spacing:-.025em}.pcb-intro p{margin:0;color:#526b7e;font-size:14px;line-height:1.9}

#pcb-monomer-b-row{margin-top:12px}#pcb-monomer-b-row label{display:block;margin-bottom:8px}#pcb-monomer-b-row select{width:100%}@media(max-width:850px){#pcb-monomer-b-row{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:15px;align-items:center}#pcb-monomer-b-row[hidden]{display:none}#pcb-monomer-b-row label{margin:0}}

.pcb-figure-panel{margin:12px 0 20px;padding:20px;border:1px solid #dce7ee;border-radius:13px;background:#f8fafc}.pcb-figure-panel h3{margin:0;color:#52978d;font-size:15px}.pcb-figure-panel h3 span{color:#304c63}.pcb-figure-panel>p,.pcb-comparison-head p{font-size:12px;line-height:1.8;color:#60788d}.pcb-figure-options{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0}.pcb-figure-options label{font-size:12px;color:#486477;display:flex;flex-direction:column;gap:7px}.pcb-figure-options select,.pcb-figure-options input[type=text]{width:100%;min-width:0;padding:10px;border:1px solid #ccdae5;border-radius:7px;background:white;color:#24374c;font:inherit}.pcb-figure-options .pcb-figure-check{flex-direction:row;align-items:center;gap:7px}.pcb-figure-check input{width:16px;height:16px;accent-color:#247d6c}.pcb-figure-preview{background:white;border:1px solid #dce7ee;border-radius:10px;overflow:auto;max-height:490px}.pcb-figure-preview svg{display:block;max-width:none;height:auto}.pcb-figure-note{font-size:11px!important;color:#6a8193;line-height:1.9}.pcb-comparison{margin-top:28px;padding:26px 30px;background:#fff;border:1px solid #dce5ee;border-radius:18px}.pcb-comparison-head{display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap}.pcb-comparison h2{font-size:21px;margin:0;color:#2c485f}.pcb-compare-actions{display:flex;gap:8px}.pcb-compare-actions button{font-size:12px;background:#edf6f3;border:1px solid #c7e0d7;border-radius:7px;padding:10px;color:#286f60;cursor:pointer}.pcb-compare-actions button:disabled{opacity:.45;cursor:default}.pcb-compare-preview{overflow:auto;margin:18px 0 10px;border:1px solid #e4ebf1;border-radius:10px}.pcb-compare-preview svg{display:block;width:100%;min-width:650px;height:auto}@media(max-width:580px){.pcb-figure-panel{padding:14px}.pcb-figure-options{grid-template-columns:1fr}.pcb-comparison{padding:20px 16px}.pcb-comparison h2{font-size:19px}}

.pcb-index-choice{display:flex;align-items:center;gap:12px;font-size:12px;color:#486477;margin:12px 0}.pcb-index-choice select{font:inherit;background:#fff;border:1px solid #ccdae5;border-radius:7px;padding:8px;color:#24374c}.pcb-index-choice select:disabled{opacity:.6}

.pcb-unit.c{background:#fff0dc;color:#985017;border-color:#edc792}.pcb-unit.c[aria-pressed="true"]{outline:2px solid #a75a22}
/* Searchable material library; the selected material stays readable in the design panel. */
.pcb-controls .pcb-material-choice{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;width:100%;min-width:0;text-align:left;padding:14px;border:1px solid #62818c;border-radius:12px;background:#294858;color:#fff;cursor:pointer;font:inherit;margin:0 0 14px}.pcb-material-choice strong{align-self:start;color:#a1efe0;font-size:15px;letter-spacing:.03em}.pcb-material-choice span{font-size:12px;line-height:1.8;overflow-wrap:anywhere}.pcb-material-choice small{grid-column:1/-1;color:#c1d8dd;font-size:11px}.pcb-material-choice:hover{border-color:#9aefdb;background:#315669}.pcb-material-choice:focus-visible,.pcb-picker button:focus-visible,.pcb-picker input:focus-visible{outline:3px solid #d6a845;outline-offset:3px}#pcb-material[hidden],#pcb-material-b[hidden],#pcb-material-c[hidden]{display:none!important}#pcb-monomer-c-row{margin-top:12px}#pcb-monomer-c-row label{display:block;margin-bottom:8px}#pcb-monomer-b-row .pcb-material-choice{margin-bottom:10px}
.pcb-picker{box-sizing:border-box;width:min(820px,calc(100% - 32px));max-height:90dvh;padding:26px;border:1px solid #d5e4e6;border-radius:22px;background:#f7fafb;color:#243d4a;box-shadow:0 28px 90px #122c4660;overflow:auto}.pcb-picker::backdrop{background:#112d426e;backdrop-filter:blur(4px)}.pcb-picker-head{display:flex;justify-content:space-between;align-items:center;gap:16px}.pcb-picker-head h2{font-size:23px;margin:3px 0 20px}.pcb-picker-eyebrow{font-size:10px;letter-spacing:.18em;color:#317d73;margin:0}.pcb-picker-head>button{flex-shrink:0;align-self:flex-start;padding:9px 12px;border:1px solid #d1dee4;border-radius:9px;background:white;color:#486477;cursor:pointer}.pcb-picker-search label{display:block;font-size:12px;color:#526d7b;margin-bottom:7px}.pcb-picker-search input{box-sizing:border-box;width:100%;font:inherit;font-size:15px;border:1px solid #bdd4d6;border-radius:12px;background:white;padding:14px;color:#243d4a}.pcb-picker-filters{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0}.pcb-picker-filters button{font:inherit;font-size:12px;border:1px solid #ccdce0;border-radius:24px;padding:8px 13px;background:white;color:#466575;cursor:pointer}.pcb-picker-filters button[aria-pressed=true]{background:#236e65;color:white;border-color:#236e65}.pcb-picker-count{font-size:11px;color:#667d8a;line-height:1.7;min-height:20px}.pcb-picker-results{display:grid;grid-template-columns:1fr 1fr;gap:11px}.pcb-picker-card{font:inherit;display:grid;grid-template-columns:auto 1fr;gap:7px 12px;align-content:start;padding:17px;border:1px solid #d8e3e8;border-radius:13px;background:white;text-align:left;color:#243d4a;cursor:pointer}.pcb-picker-card strong{font-size:18px;color:#28796c}.pcb-picker-card small{justify-self:end;align-self:start;font-size:10px;color:#637c8b;background:#f0f5f7;padding:4px 7px;border-radius:5px}.pcb-picker-card .pcb-picker-name{grid-column:1/-1;font-size:14px;line-height:1.6;overflow-wrap:anywhere}.pcb-picker-card .pcb-picker-detail{grid-column:1/-1;font-size:11px;line-height:1.7;color:#6b8190;overflow-wrap:anywhere}.pcb-picker-card[aria-pressed=true]{border-color:#2d9680;background:#effaf6;box-shadow:inset 0 0 0 1px #2d9680}.pcb-picker-card:hover:enabled{border-color:#2d9680;box-shadow:0 3px 10px #173d4c12}.pcb-picker-card:disabled{opacity:.5;cursor:default}.pcb-picker-empty{grid-column:1/-1;padding:28px 14px;text-align:center;font-size:13px;color:#657f8c;line-height:1.9}.pcb-picker-foot{font-size:11px;color:#718692;line-height:1.8;border-top:1px solid #dce6eb;padding-top:16px;margin-bottom:0}@media(max-width:580px){.pcb-picker{width:calc(100% - 20px);padding:20px 16px;border-radius:17px}.pcb-picker-head h2{font-size:20px}.pcb-picker-results{grid-template-columns:1fr}.pcb-picker-card{padding:14px}.pcb-picker-search input{font-size:16px}.pcb-picker-head>button{font-size:12px}}@media(max-width:850px){#pcb-monomer-b-row .pcb-material-choice{grid-column:1/-1}#pcb-monomer-c-row{grid-column:1/-1}}