@import "https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,600;1,300&display=swap";*,:before,:after{box-sizing:border-box}body{margin:0;font-family:sans-serif;font-size:16px}:root{--navy:#1a2638;--navy-dark:#111b28;--accent:#2d7dd2;--accent-light:#5a9fe8;--green:#3a9e6a;--red:#c94a4a;--bg:#f4f6f9;--panel:#fff;--border:#dde2ea;--text:#1e2a3a;--muted:#6b7a90;--mono:"IBM Plex Mono", monospace;--sans:"IBM Plex Sans", sans-serif;--radius:6px;--shadow:0 2px 12px #00000014}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--sans);background:var(--bg);color:var(--text);font-size:14px;line-height:1.55}.dhi-header{background:var(--navy-dark);color:#fff;z-index:100;justify-content:space-between;align-items:center;height:56px;padding:0 24px;display:flex;position:sticky;top:0;box-shadow:0 2px 8px #00000040}.dhi-header-left{align-items:center;gap:12px;display:flex}.dhi-logo{width:auto;height:36px}.dhi-title{font-family:var(--mono);letter-spacing:.02em;color:#e8edf4;font-size:15px;font-weight:500}.dhi-header-right{color:#9aafc4;align-items:center;gap:6px;font-size:12.5px;display:flex}.dhi-header-link{color:var(--accent-light);text-decoration:none;transition:color .15s}.dhi-header-link:hover{color:#fff}.dhi-header-meta{color:#7a90a8}.dhi-root{min-height:100vh}.dhi-columns{grid-template-columns:340px 370px 550px;align-items:start;gap:0;max-width:1180px;margin:0 auto;padding:24px 16px 48px;display:grid}.dhi-col{padding:20px 18px}.dhi-col+.dhi-col{border-left:1px solid var(--border)}.section-label{font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:10px;font-size:11px;font-weight:500}.dhi-btn{font-family:var(--sans);border-radius:var(--radius);cursor:pointer;border:1px solid #0000;padding:5px 14px;font-size:13px;font-weight:400;transition:all .15s}.btn-info{color:var(--accent);background:#e8f1fb;border-color:#b8d0ed}.btn-info:hover{background:#d2e6f8}.btn-default{border-color:var(--border);color:var(--text);background:#f0f2f5;margin-top:8px}.btn-default:hover{background:#e4e8ee}.collapsible-wrap{margin-bottom:16px}.collapsible-body{border:1px solid var(--border);border-radius:var(--radius);background:#f8fafc;margin-top:10px;padding:14px;animation:.15s fadeIn}.dhi-col-1{position:relative}.collapsible-body--wide{z-index:50;position:absolute;left:18px;right:-302px;box-shadow:0 6px 24px #0000001f}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.md-body{color:var(--text);font-size:13px;line-height:1.7}.md-body p{margin-bottom:8px}.md-body ol,.md-body ul{margin-bottom:8px;padding-left:18px}.md-body li{margin-bottom:3px}.md-body strong{color:var(--text);font-weight:600}.md-body em{color:var(--muted);font-size:12px;font-style:italic}.md-link{color:var(--accent);border-bottom:1px solid #0000;text-decoration:none;transition:border-color .15s}.md-link:hover{border-bottom-color:var(--accent)}.md-body--math .katex-display{margin:18px 0;overflow:auto visible}.md-body--math .katex{font-size:1.2em}.popover-img{max-width:100%;height:auto;display:block}.how-to-use{margin-bottom:18px}.how-to-use p{color:var(--text);margin-bottom:8px;font-size:13.5px}.dhi-scheme{margin-bottom:20px}.dhi-scheme ul{margin:6px 0 10px;padding:0;list-style:none}.dhi-scheme ul li{color:var(--text);padding:2px 0 2px 12px;font-size:13px;position:relative}.dhi-scheme ul li:before{content:"–";color:var(--muted);position:absolute;left:0}.italic-note{color:var(--muted);font-size:12.5px;font-style:italic;line-height:1.5}.sliders-block{flex-direction:column;gap:16px;margin-bottom:20px;display:flex}.slider-row{flex-direction:column;gap:4px;display:flex}.slider-label{color:var(--text);justify-content:space-between;align-items:baseline;font-size:13px;font-weight:400;display:flex}.slider-label-text{align-items:center;gap:5px;display:inline-flex}.slider-value{font-family:var(--mono);color:var(--accent);font-size:13px;font-weight:500}.dhi-slider{appearance:none;background:linear-gradient(to right, var(--accent) 0%, var(--accent) var(--val,50%), var(--border) var(--val,50%), var(--border) 100%);cursor:pointer;border-radius:2px;outline:none;width:100%;height:4px}.dhi-slider::-webkit-slider-thumb{appearance:none;background:var(--accent);cursor:pointer;border:2px solid #fff;border-radius:50%;width:16px;height:16px;transition:transform .1s;box-shadow:0 1px 4px #0003}.dhi-slider::-webkit-slider-thumb:hover{transform:scale(1.15)}.dhi-slider::-moz-range-thumb{background:var(--accent);cursor:pointer;border:2px solid #fff;border-radius:50%;width:16px;height:16px;box-shadow:0 1px 4px #0003}.slider-bounds{color:var(--muted);font-size:11px;font-family:var(--mono);justify-content:space-between;margin-top:2px;display:flex}.results-box{border-radius:var(--radius);background:#edf3fa;border:1px solid #c4d9ef;flex-direction:column;gap:8px;padding:14px 16px;display:flex}.result-row{justify-content:space-between;align-items:baseline;font-size:13.5px;display:flex}.result-label{color:var(--muted)}.result-value{font-family:var(--mono);color:var(--text);font-weight:500}.result-highlight{border-top:1px solid #b8d0ed;margin-top:2px;padding-top:8px}.result-highlight .result-label{color:var(--text);font-weight:600}.result-highlight .result-value{color:var(--accent);font-size:17px}.col2-header{margin-bottom:14px}.dropdown-row{margin-bottom:16px}.dropdown-label-row{align-items:flex-start;gap:6px;margin-bottom:5px;display:flex}.dropdown-label{color:var(--text);flex:1;font-size:13px;line-height:1.45}.dhi-select{width:100%;font-family:var(--sans);border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);color:var(--text);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236b7a90'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;outline:none;padding:6px 28px 6px 10px;font-size:13px;transition:border-color .15s}.dhi-select:hover,.dhi-select:focus{border-color:var(--accent)}.tooltip-wrap{flex-shrink:0;align-items:center;margin-top:1px;display:inline-flex;position:relative}.tooltip-icon{background:var(--border);width:17px;height:17px;color:var(--muted);cursor:help;font-size:11px;font-weight:600;line-height:1;font-family:var(--mono);-webkit-user-select:none;user-select:none;border-radius:50%;justify-content:center;align-items:center;transition:background .15s,color .15s;display:inline-flex}.tooltip-wrap:hover .tooltip-icon{background:var(--accent);color:#fff}.tooltip-popover{z-index:200;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);pointer-events:none;min-width:350px;max-width:350px;padding:10px;display:none;position:absolute;top:50%;left:24px;transform:translateY(-10%);box-shadow:0 4px 20px #00000026}.tooltip-wrap:hover .tooltip-popover{animation:.12s fadeIn;display:block}.tooltip-popover img{border-radius:3px;max-width:100%;height:auto;display:block}.popover-title{font-family:var(--mono);color:var(--text);margin-bottom:8px;font-size:13px;font-weight:600}.tooltip-text{color:var(--text);white-space:pre-line;font-size:12.5px;line-height:1.55}.dhi-col-3 .section-label{margin-bottom:12px}.plot-wrap{aspect-ratio:1;width:100%;position:relative}.dhi-svg{width:100%;height:100%;display:block}.svg-tooltip{background:var(--navy-dark);color:#e8edf4;font-family:var(--mono);pointer-events:none;z-index:300;white-space:nowrap;border-radius:4px;padding:7px 10px;font-size:11.5px;line-height:1.6;position:fixed;box-shadow:0 3px 12px #00000040}.sim-checkbox{color:var(--text);cursor:pointer;align-items:center;gap:8px;margin-top:12px;font-size:13px;display:flex}@media (width<=1000px){.dhi-columns{grid-template-columns:1fr 1fr}.dhi-col-3{border-left:none;border-top:1px solid var(--border);grid-column:1/-1}}@media (width<=600px){.dhi-columns{grid-template-columns:1fr}.dhi-col+.dhi-col{border-left:none;border-top:1px solid var(--border)}.dhi-header-meta{display:none}.dhi-title{font-size:13px}}.scatter-footer{justify-content:space-between;align-items:center;margin-top:6px;display:flex}.btn-submit-subtle{color:#56738f;cursor:pointer;background:0 0;border:1px solid #9aafc4;border-radius:4px;padding:4px 12px;font-size:13px;transition:background .15s,color .15s}.btn-submit-subtle:hover{color:#2d4a63;background:#e8eef4}.modal-backdrop{z-index:1000;background:#00000073;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-box{background:#fff;border-radius:8px;width:480px;max-width:95vw;max-height:90vh;padding:28px 32px;position:relative;overflow-y:auto;box-shadow:0 8px 32px #0000002e}.modal-close{cursor:pointer;color:#9aafc4;background:0 0;border:none;font-size:18px;position:absolute;top:12px;right:14px}.modal-title{color:#2d4a63;margin:0 0 18px;font-size:17px}.modal-fields{flex-direction:column;gap:12px;display:flex}.modal-field label{color:#56738f;margin-bottom:3px;font-size:12px;display:block}.modal-field input,.modal-field select,.modal-field textarea{color:#2d4a63;box-sizing:border-box;border:1px solid #c5d3df;border-radius:4px;width:100%;padding:6px 8px;font-size:13px}.modal-field input.field-error,.modal-field select.field-error,.modal-field textarea.field-error{border-color:#e63946}.req{color:#e63946}.modal-error-msg{color:#e63946;margin-top:8px;font-size:12px}.modal-actions{justify-content:flex-end;gap:10px;margin-top:18px;display:flex}.btn-submit-main{color:#fff;cursor:pointer;background:#56738f;border:none;border-radius:4px;padding:6px 18px;font-size:13px}.btn-submit-main:hover{background:#2d4a63}.btn-submit-main:disabled{opacity:.5;cursor:default}.modal-success{text-align:center;color:#2d4a63;padding:20px 0}