:root{--berkeley-blue:#003262;--california-gold:#fdb515;--berkeley-blue-dark:#001f3d;--gold-soft:#fff5db;--bg:#f4f6f8;--panel:#fff;--panel-alt:#fafbfc;--ink:#14181d;--muted:#5a6572;--border:#d3d9df;--border-strong:#b9c1c9;--accent:var(--berkeley-blue);--accent-ink:#fff;--gold:var(--california-gold);--ok:#16794c;--warn:#b45309;--danger:#b42318;--locus-radius:2px;--locus-radius-lg:2px;--shadow:0 1px 2px rgba(0,32,60,.06),0 2px 8px rgba(0,32,60,.06);--shadow-card:0 1px 3px rgba(0,32,60,.1)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;font-size:16px}a{color:var(--accent)}.app-shell{max-width:920px;margin:0 auto;padding:24px 20px 96px}.topbar{border-bottom:3px solid var(--berkeley-blue);padding-bottom:14px;margin-bottom:22px}.topbar-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.brand{display:flex;align-items:center;gap:10px;min-width:0}.brand-mark{display:inline-block;width:11px;height:11px;border-radius:50%;background:var(--california-gold);box-shadow:0 0 0 2px var(--berkeley-blue);flex:none}.topbar h1{font-size:17px;font-weight:700;letter-spacing:-.01em;margin:0;color:var(--berkeley-blue);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.progress{font-size:13px;font-weight:600;color:var(--muted);white-space:nowrap;flex:none}.progressbar{position:relative;height:6px;margin-top:12px;background:#e4e8ec;border-radius:var(--locus-radius);overflow:hidden}.progressbar>span{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,var(--berkeley-blue),#0a4f8f);border-right:2px solid var(--california-gold);transition:width .2s ease}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--locus-radius-lg);box-shadow:var(--shadow-card);padding:22px;margin-bottom:18px}.excerpt-panel{border-top:3px solid var(--california-gold)}.item-content{font-size:16.5px;line-height:1.7;background:var(--panel-alt);border:1px solid var(--border);border-radius:var(--locus-radius);padding:18px 20px;overflow-wrap:break-word}.item-content>:first-child,.item-content>span>:first-child{margin-top:0}.item-content p{margin:0 0 .85em}.item-content h3,.item-content h4,.item-content h5,.item-content h6{margin:1.1em 0 .4em;font-size:15.5px;font-weight:700;color:var(--berkeley-blue);line-height:1.35}.item-content ol,.item-content ul{margin:0 0 .85em;padding-left:1.6em}.item-content li{margin-bottom:.3em}.item-content hr{border:0;border-top:1px solid var(--border);margin:1em 0}.item-content code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;background:#eef1f4;padding:1px 4px}.item-content table{border-collapse:collapse;width:100%;margin:.6em 0 1em;font-size:14.5px;display:block;overflow-x:auto}.item-content td,.item-content th{border:1px solid var(--border);padding:6px 9px;text-align:left;vertical-align:top}.item-content th{background:#eef1f4;font-weight:700}.ab-label{display:inline-block;font-weight:700;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--berkeley-blue);margin-bottom:8px}.field{margin-bottom:18px}.field label,.field-label{display:block;font-weight:700;font-size:14px;margin-bottom:8px;color:var(--ink)}.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--border-strong);border-radius:var(--locus-radius);font-size:15px;font-family:inherit;background:#fff}.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--berkeley-blue);box-shadow:0 0 0 3px rgba(0,50,98,.12)}.field textarea{min-height:76px;resize:vertical}.derived-note{font-size:13px;color:var(--muted);margin-top:6px}.derived-value{display:inline-block;font-weight:700;color:var(--berkeley-blue);background:var(--gold-soft);border:1px solid #f0d68a;border-radius:var(--locus-radius);padding:2px 10px}.error,.required-star{color:var(--danger)}.error{font-size:13px;font-weight:600;margin-top:6px}.card-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:12px;gap:12px}@media (max-width:560px){.card-grid{grid-template-columns:1fr}}.function-card{text-align:left;border:2px solid var(--border-strong);border-radius:var(--locus-radius-lg);background:#fff;padding:14px 16px;cursor:pointer;transition:border-color .12s ease,background .12s ease,box-shadow .12s ease;display:block;width:100%;font-family:inherit}.function-card:hover{border-color:var(--berkeley-blue);box-shadow:var(--shadow-card)}.function-card.selected{border-color:var(--berkeley-blue);background:#f0f6fc;box-shadow:inset 4px 0 0 var(--california-gold)}.function-card .fc-name{font-weight:800;font-size:15px;color:var(--berkeley-blue);margin-bottom:3px}.function-card.selected .fc-name:after{content:" ✓";color:var(--ok)}.function-card .fc-def{font-size:13px;color:var(--muted);line-height:1.45}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border-strong);background:#fff;color:var(--ink);padding:10px 20px;border-radius:var(--locus-radius);font-size:15px;font-weight:700;cursor:pointer}.btn:hover{background:#eef1f4}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--berkeley-blue);border-color:var(--berkeley-blue);color:var(--accent-ink)}.btn-primary:hover{background:var(--berkeley-blue-dark)}.nav-row{display:flex;justify-content:space-between;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--border)}.axis-def{background:var(--gold-soft);border:1px solid #f0d68a;border-left:4px solid var(--california-gold);border-radius:var(--locus-radius);padding:15px 18px;margin-bottom:18px}.axis-def h3,.axis-def h4,.axis-def h5,.axis-def h6{margin:1em 0 .35em;font-size:14.5px;color:var(--berkeley-blue)}.axis-def p{margin:0 0 .7em}.axis-def ol,.axis-def ul{margin:0 0 .7em;padding-left:1.5em}.axis-def li{margin-bottom:.25em}.axis-def>:first-child{margin-top:0}.axis-def .axis-name{font-weight:800;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--berkeley-blue);margin-bottom:7px}.choice-row{display:flex;gap:12px;margin-top:10px}.choice-btn{flex:1 1;padding:16px;font-size:16px;border:2px solid var(--border-strong);border-radius:var(--locus-radius-lg);background:#fff;cursor:pointer;font-weight:800;color:var(--ink);transition:border-color .12s ease,background .12s ease}.choice-btn.selected,.choice-btn:hover{border-color:var(--berkeley-blue)}.choice-btn.selected{background:#f0f6fc;color:var(--berkeley-blue);box-shadow:inset 0 -4px 0 var(--california-gold)}.consent-section{margin-bottom:16px}.consent-section h3{margin:0 0 4px;font-size:15px;color:var(--berkeley-blue)}.consent-section p{margin:0;font-size:15px}.consent-agree{display:flex;align-items:flex-start;gap:10px;margin-top:22px;padding:14px 16px;background:var(--gold-soft);border:1px solid #f0d68a;border-radius:var(--locus-radius);font-weight:600;cursor:pointer}.consent-agree input{margin-top:3px;width:17px;height:17px;flex:none;cursor:pointer}.instructions{font-size:14.5px}.instructions h3{margin:18px 0 6px;font-size:15px;color:var(--berkeley-blue)}.instructions ul{margin:4px 0 10px;padding-left:20px}.instructions table{border-collapse:collapse;width:100%;font-size:13.5px;margin:8px 0}.instructions td,.instructions th{border:1px solid var(--border);padding:6px 8px;text-align:left;vertical-align:top}.instructions th{background:var(--panel-alt)}details.drawer>summary{cursor:pointer;font-weight:700;color:var(--berkeley-blue);margin-bottom:8px}.banner{border-radius:var(--locus-radius);padding:13px 15px;font-size:14px;font-weight:600;margin-bottom:14px}.banner-ok{background:#e7f6ee;border:1px solid #a6e0c0;color:var(--ok)}.banner-warn{background:#fdf3e7;border:1px solid #f3d19e;color:var(--warn)}.banner-danger{background:#fdeceb;border:1px solid #f3b4ae;color:var(--danger)}.status-line{font-size:14px;color:var(--muted);margin:10px 0}.center-card{max-width:620px;margin:56px auto;text-align:center}.center-card h2{color:var(--berkeley-blue)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}