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h2{font-size:14px;font-weight:600;display:flex;gap:8px;align-items:center}.step{font-family:var(--mono);font-size:12px;letter-spacing:-.3px;color:#8b9b92}.tag{font-family:var(--mono);font-size:12px;color:#919a94;background:#f3f5f1;padding:3px 6px;border-radius:4px}.dropzone{border:1px dashed #afc5b8;border-radius:8px;background:#f5f9f4;display:flex;flex-direction:column;align-items:center;text-align:center;padding:23px 4px 20px;cursor:pointer;transition:.2s}.dropzone:hover,.dropzone.dragover{background:#e9f3eb;border-color:var(--teal)}.dropzone:focus-within{outline:3px solid #79b7ab;outline-offset:3px}.dropzone svg{height:31px;width:31px;stroke:#457b65;fill:none;stroke-width:1.4;margin-bottom:14px}.dropzone strong{font-size:13px;font-weight:600}.dropzone>span{font-size:12px;color:#8b9790;margin:4px 0 13px}.dropzone u{color:#477a67;text-underline-offset:3px}.dropzone small{font-size:12px;color:#97a098}.dropzone input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}.demo-button{font-size:12px;padding:11px 0 0;color:#6f857b;display:flex;gap:8px;align-items:center;justify-content:center;width:100%}.demo-button span:last-child{margin-left:auto}.demo-button span:first-child{font-size:17px}.input-status{font-size:12px;color:var(--teal);line-height:1.6;margin-top:9px;overflow-wrap:anywhere}.input-status:empty{display:none}.field-label{display:block;font-size:12px;margin:16px 0 7px}.micro{font-size:12px;color:#94a098;line-height:1.65;margin-top:7px;overflow-wrap:anywhere}.text-button{font-size:12px;color:#6d8c7e;padding:0}.text-button:hover{color:var(--teal);text-decoration:underline}#clear-files{margin-top:8px}.settings-panel .section-heading{margin-bottom:22px}.control{margin-bottom:16px}.control>label{display:flex;justify-content:space-between;gap:7px;font-size:12px;color:#52645d;margin-bottom:7px}.control>label>span{color:#9ba59d;font-size:12px}.control 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@media(max-width:420px){.topbar nav>a{display:none}.summary-item{padding:0 8px}.summary-item strong{font-size:18px}.summary-item>span{font-size:12px}.tag{font-size:12px}.section-heading h2{gap:5px}.step{font-size:12px}.chart-actions{margin-top:5px}.chart-caption{flex-wrap:wrap;gap:5px}.chart-caption>span:first-child{max-width:100%}.chart-wrap{min-height:210px}.table-actions input{width:120px}.chart-footnote>span:last-child{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.states-toolbar .table-actions{margin-left:0;width:100%;justify-content:space-between}.summary-item small{font-size:12px}}
/* Keep scientific values and controls readable at every breakpoint. */
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@media(prefers-reduced-motion:reduce){*{transition:none!important}}
@media(max-width:520px){.sidebar{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.sidebar .panel{min-width:0}.summary-grid{grid-template-columns:1fr 1fr;padding:0}.summary-item{padding:14px 16px}.summary-item:nth-child(2){border-right:0}.summary-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.summary-item>span{font-size:12px;letter-spacing:.5px}.summary-item small{font-size:12px}.summary-item strong{font-size:21px}.table-actions input{width:145px}.chart-actions{margin-left:0}.chart-wrap{overflow-x:auto}.chart-empty{padding:10px;text-align:center}}
@media(max-width:360px){.sidebar{grid-template-columns:minmax(0,1fr)}.settings-panel{max-height:300px}.summary-item{padding:11px}.brand{font-size:16px}.topbar nav{gap:5px}.intro h1{font-size:29px}}
.derived-properties{padding:12px 0 5px;border-top:1px solid #e6eddf;border-bottom:1px solid #e6eddf;grid-column:1/-1}.property-convention{font-size:12px;color:#6e8b64;margin:-2px 0 8px}.property-list{margin:0}.property-row{display:grid;grid-template-columns:70px minmax(0,1fr);gap:8px;align-items:start;padding:6px 0;border-bottom:1px solid #edf2e8}.property-row:last-child{border:0}.property-row dt{font-size:13px;color:#6c8063;line-height:1.7}.property-row dd{margin:0;text-align:right;min-width:0}.property-row dd>span{font:14px/1.6 var(--mono);color:#365b30;overflow-wrap:anywhere}.property-row small{display:block;font:12px/1.5 var(--sans);color:#8e9e83}.property-formula{font:12px/1.8 var(--mono);color:#6c8562;margin-top:10px}.property-notes{font-size:12px;line-height:1.7;color:#8a784f;margin-top:8px}.property-notes ul{padding-left:16px;margin:5px 0}.property-row sub{font-size:12px}
@media(max-width:1000px) and (min-width:521px){.derived-properties .property-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:22px}}

/* Structure and moment vectors share one rotatable Cartesian scene. */
.states-main{min-width:0}
.molecule-panel{overflow:hidden;border-top:1px solid #e9eee3}
.molecule-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:23px 24px 16px}
.molecule-heading h2{font-size:18px;font-weight:550;letter-spacing:-.3px;line-height:1.5}
.molecule-heading>.tag{font-size:12px;white-space:nowrap;margin-top:6px}
.molecule-selection{font-size:13px;color:#7c8e82;margin-top:5px}
.molecule-controls{display:flex;align-items:center;flex-wrap:wrap;gap:12px 18px;padding:12px 24px;border-top:1px solid #edf0e9;border-bottom:1px solid #edf0e9;background:#fbfcf9}
.molecule-check{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#5b7165;white-space:nowrap}
.molecule-check input{width:14px;height:14px;margin:0}
.molecule-gain{display:flex;align-items:center;gap:7px;font-size:12px;color:#6e8073;white-space:nowrap}
.molecule-gain input[type=number]{width:82px;font-size:13px;min-height:30px;padding:5px 7px}
.molecule-reset{font-size:13px;color:var(--teal);border:1px solid #dce6d9;border-radius:6px;padding:6px 9px;background:white}
.molecule-reset:hover{background:#edf4ed}
.molecule-stage{width:100%;height:auto;min-height:290px;max-height:520px;display:block;background:radial-gradient(ellipse at center,#fff 20%,#f6f8f4 100%);cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none}
.molecule-stage:active{cursor:grabbing}
.molecule-stage:focus-visible{outline:3px solid #79b7ab;outline-offset:-4px}
.molecule-legend{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;padding:11px 24px;font-size:13px;color:#748579;border-top:1px solid #edf0e9}
.molecule-electric{color:var(--teal)}
.molecule-magnetic{color:#8b1e2d}
.molecule-vector-readout{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;padding:4px 24px 13px}
.molecule-vector-value{font:13px/1.8 var(--mono);overflow-wrap:anywhere;min-width:0}
.molecule-vector-value strong{font-weight:600}
.molecule-status{font-size:13px;line-height:1.75;color:#758572;padding:0 24px 8px;overflow-wrap:anywhere}
.molecule-export-status{font-size:13px;line-height:1.75;color:var(--teal);padding:0 24px 8px;overflow-wrap:anywhere}
.molecule-export-status[data-failed=true]{color:#a74738}
.overlap-controls{margin:0 24px 16px;padding:14px 16px;background:#f6f9f4;border:1px solid #e1e9dd;border-radius:8px}
.overlap-settings{display:flex;align-items:center;gap:14px 22px;flex-wrap:wrap;font-size:13px;color:#536d5b}
.overlap-settings>label:first-child{display:flex;align-items:center;gap:9px}
.overlap-settings select{width:auto;min-width:100px;min-height:31px;font-size:13px;padding:5px 24px 5px 9px}
.overlap-settings>span{font-size:12px;color:#889980}
.overlap-sum-control{display:flex;align-items:center;gap:7px;font-weight:600}
.overlap-sum-control input{width:15px;height:15px;margin:0}
.overlap-note{font-size:12px;line-height:1.8;color:#7b8f70;margin-top:9px}
.overlap-note[data-partial=true]{color:#986c32}
.overlap-selection{font-size:13px;color:#59774d;margin-top:11px;border-top:1px solid #e4ebdf;padding-top:10px}
.overlap-selection>summary{cursor:pointer}
.overlap-files{display:grid;gap:10px;margin-top:12px}
.overlap-file{display:grid;grid-template-columns:17px minmax(0,1fr) minmax(150px,1fr);align-items:center;gap:9px}
.overlap-file-key{border-top:3px solid}
.overlap-file label{font-size:13px;overflow-wrap:anywhere;line-height:1.7}
.overlap-file select{font-size:12px;min-height:31px;padding:5px 24px 5px 8px}
.overlap-file select:disabled{background:#f5f7f1;color:#7a8e70;opacity:1;cursor:default}
#table-source{overflow-wrap:anywhere;max-width:430px}
.chart-tooltip{max-width:calc(100% - 16px);white-space:normal;overflow-wrap:anywhere}
.segmented{flex-wrap:wrap}
@media(max-width:760px){.overlap-controls{margin:0 17px 15px;padding:12px}.overlap-file{grid-template-columns:17px minmax(0,1fr)}.overlap-file select{grid-column:2}.overlap-settings{gap:12px 18px}.overlap-settings>span{font-size:12px}.chart-actions{flex-wrap:wrap}.segmented button{padding:6px 8px}}
.molecule-caption{font-size:12px;line-height:1.8;color:#889481;padding:0 24px 19px;overflow-wrap:anywhere}
@media(max-width:760px){.molecule-heading{padding:20px 17px 15px}.molecule-heading h2{font-size:17px}.molecule-controls{padding:12px 17px;gap:11px 15px}.molecule-stage{min-height:260px}.molecule-legend{padding:11px 17px}.molecule-vector-readout{grid-template-columns:1fr;padding:2px 17px 13px;gap:10px}.molecule-caption,.molecule-status,.molecule-export-status{padding-left:17px;padding-right:17px}}

/* Allow the larger interface text to wrap naturally in compact panels. */
.section-heading{flex-wrap:wrap;gap:8px}
.chart-toolbar,.chart-actions,.chart-footnote,.table-actions{flex-wrap:wrap}
.legend{flex-wrap:wrap;row-gap:7px;white-space:normal}
.table-actions{row-gap:10px}
.export-menu>div{top:100%;margin-top:6px}
footer{flex-wrap:wrap}
.molecule-bild-content select{font-size:13px;min-height:34px;width:auto;max-width:100%}
.range-value input[type=range]{flex:1;min-width:0;width:0}
.range-value input[type=number]{flex:0 0 70px;width:70px}
@media(max-width:760px){.section-heading{align-items:flex-start}.summary-item>span{letter-spacing:.3px}.chart-actions{width:100%}.segmented button{font-size:13px}.table-actions input{width:min(165px,50vw)}}