.wse{--wse-abyss:#071e3d;--wse-ocean:#0e5c8c;--wse-ink:#08192b;--wse-foam:#f3f9fb;--wse-mist:#dcecf3;--wse-line:#c5d9e2;--wse-salt:#14507c;--wse-fresh:#2fa4c9;--wse-ice:#bfe7f0;--wse-ground:#1f8a7a;--wse-surface:#ffb454;--wse-lakes:#f2994a;--wse-soil:#a56a3f;--wse-swamps:#4a8f6b;--wse-rivers:#3f8fd1;--wse-font-display:"Fraunces", Georgia, serif;--wse-font-body:"Inter", system-ui, sans-serif;--wse-font-data:"IBM Plex Mono", ui-monospace, monospace;background:var(--wse-foam)}.wse .site-header,.wse .site-footer{background:var(--wse-foam)}.wse-tool{padding-top:var(--space-lg)}.wse-eyebrow{font-family:var(--wse-font-data);letter-spacing:.08em;text-transform:uppercase;color:var(--wse-ocean);margin:0 0 .5rem;font-size:.75rem;font-weight:600}.wse-tool .tool-header h1{font-family:var(--wse-font-display);color:var(--wse-abyss);letter-spacing:-.01em;font-size:clamp(1.9rem,4vw,2.6rem);font-weight:600}.wse-tool .tool-header p{color:#33495a;max-width:46ch}.wse-app{background:linear-gradient(180deg, #fff, var(--wse-mist));border:1px solid var(--wse-line);border-radius:var(--radius);padding:var(--space-lg)}.wse-breadcrumb{margin-bottom:var(--space-md);font-family:var(--wse-font-data);flex-wrap:wrap;align-items:center;gap:.4rem;font-size:.8rem;display:flex}.wse-breadcrumb button{font:inherit;color:var(--wse-ocean);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:.2rem .4rem}.wse-breadcrumb button:hover,.wse-breadcrumb button:focus-visible{background:var(--wse-mist);outline:none}.wse-breadcrumb button[aria-current=true]{color:var(--wse-ink);cursor:default;font-weight:600}.wse-breadcrumb button[aria-current=true]:hover{background:0 0}.wse-breadcrumb .wse-sep{color:#9db3bf}.wse-stage{gap:var(--space-xl);grid-template-columns:minmax(0,220px) minmax(0,1fr);align-items:start;display:grid}@media (width<=700px){.wse-stage{gap:var(--space-lg);grid-template-columns:1fr}}.wse-beaker-wrap{text-align:center;flex-direction:column;align-items:center;display:flex}.wse-level-title{font-family:var(--wse-font-display);color:var(--wse-abyss);margin:0 0 var(--space-md);align-items:center;min-height:2.6em;font-size:1.05rem;font-weight:600;display:flex}.wse-beaker{width:150px;position:relative}.wse-beaker-glass{border-left:3px solid var(--wse-abyss);border-right:3px solid var(--wse-abyss);border-bottom:3px solid var(--wse-abyss);background:#ffffff8c;border-radius:0 0 18px 18px;height:320px;position:relative;overflow:hidden;box-shadow:inset 0 0 0 1px #fff9}.wse-beaker-glass:before{content:"";border-top:3px solid var(--wse-abyss);opacity:.9;height:10px;position:absolute;inset:0 0 auto}.wse-beaker-fill{flex-direction:column-reverse;display:flex;position:absolute;inset:0}.wse-segment{cursor:pointer;border:none;width:100%;height:0%;padding:0;transition:height .7s cubic-bezier(.22,1,.36,1),filter .15s;position:relative}.wse-segment:hover,.wse-segment:focus-visible{filter:brightness(1.08);outline:none}.wse-segment:after{content:"";background:#ffffff59;height:6px;position:absolute;top:0;left:0;right:0}.wse-segment.is-active{filter:brightness(1.12);box-shadow:inset 0 0 0 2px #08192b59}.wse-ticks{pointer-events:none;flex-direction:column;justify-content:space-between;width:10px;display:flex;position:absolute;inset:0 0 0 -14px}.wse-ticks span{background:var(--wse-line);width:8px;height:2px;display:block}.wse-beaker-base{background:var(--wse-abyss);border-radius:0 0 6px 6px;width:130px;height:8px;margin:0 auto}.wse-reset{margin-top:var(--space-md);border:1px solid var(--wse-line);color:var(--wse-ocean);font:inherit;border-radius:var(--radius);cursor:pointer;background:#fff;padding:.5rem .9rem;font-size:.85rem}.wse-reset:hover,.wse-reset:focus-visible{background:var(--wse-mist);outline:none}.wse-legend{margin:0 0 var(--space-md);flex-direction:column;gap:.6rem;padding:0;list-style:none;display:flex}.wse-legend-item{border-radius:var(--radius);cursor:pointer;text-align:left;width:100%;font:inherit;color:var(--wse-ink);background:#ffffff80;border:1px solid #0000;align-items:center;gap:.7rem;padding:.65rem .8rem;transition:border-color .15s,background .15s;display:flex}.wse-legend-item:hover,.wse-legend-item:focus-visible{border-color:var(--wse-line);background:#fff;outline:none}.wse-legend-item.is-active{border-color:var(--wse-ocean);background:#fff}.wse-swatch{border-radius:4px;flex-shrink:0;width:14px;height:14px}.wse-legend-label{flex:1;font-size:.95rem}.wse-legend-pct{font-family:var(--wse-font-data);color:var(--wse-ocean);font-size:.9rem;font-weight:600}.wse-legend-drill{color:#6d8494;font-size:.75rem}.wse-fact{border-top:1px dashed var(--wse-line);padding-top:var(--space-md);min-height:5.5em}.wse-fact-hint{color:#6d8494;margin:0;font-size:.9rem}.wse-fact-title{font-family:var(--wse-font-display);color:var(--wse-abyss);margin:0 0 .35rem;font-weight:600}.wse-fact-body{color:#33495a;margin:0}.wse-note{margin:var(--space-md) 0 0;color:#7c93a1;font-size:.8rem}.wse-perspective{margin-top:var(--space-xl);padding:var(--space-lg);background:var(--wse-abyss);color:#eaf3f8;border-radius:var(--radius)}.wse-perspective h2{font-family:var(--wse-font-display);color:#fff;margin:0 0 .6rem;font-size:1.2rem;font-weight:600}.wse-perspective p{color:#cfe3ec;max-width:62ch;margin:0}.wse-quiz{margin-top:var(--space-xl)}.wse-quiz h2{font-family:var(--wse-font-display);color:var(--wse-abyss);margin:0 0 .2rem;font-size:1.2rem;font-weight:600}.wse-quiz-sub{margin:0 0 var(--space-md);color:#6d8494;font-size:.9rem}.wse-quiz-question{border:1px solid var(--wse-line);border-radius:var(--radius);padding:var(--space-md);margin-bottom:var(--space-sm);background:#fff}.wse-quiz-question p{color:var(--wse-ink);margin:0 0 .7rem;font-weight:600}.wse-quiz-options{gap:.5rem;display:grid}.wse-quiz-options button{text-align:left;font:inherit;border:1px solid var(--wse-line);border-radius:var(--radius);background:var(--wse-foam);cursor:pointer;padding:.6rem .8rem}.wse-quiz-options button:hover,.wse-quiz-options button:focus-visible{border-color:var(--wse-ocean);outline:none}.wse-quiz-options button.is-correct{background:#e0f5e9;border-color:#63b98a}.wse-quiz-options button.is-wrong{background:#fbe6e6;border-color:#d98a8a}.wse-quiz-options button:disabled{cursor:default}.wse-quiz-explain{color:#33495a;margin:.7rem 0 0;font-size:.88rem}.wse-quiz-score{margin-top:var(--space-md);font-family:var(--wse-font-data);color:var(--wse-abyss);font-weight:600}@media (prefers-reduced-motion:reduce){.wse-segment{transition:none}}