.cv-materials-lab { margin: 2.5rem 0; padding: clamp(1rem,3vw,2rem); border: 2px solid var(--ink); border-radius: 17px; background: var(--white); color: var(--ink); min-width: 0; scroll-margin-top: 7rem; }
.article-body .cv-materials-lab h2 { margin: .35rem 0 1rem; font-size: clamp(1.5rem,4vw,2rem); line-height: 1.25; }
.article-body .cv-materials-lab h3 { margin: 0 0 .7rem; font-size: 1.2rem; line-height: 1.4; }
.article-body .cv-materials-lab p { font-size: 1rem; line-height: 1.65; }
.article-body .cv-materials-lab .cv-materials-kicker { margin: 0 0 .4rem; font-size: .8rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-2); }
.cv-materials-lab [hidden] { display: none !important; }
.cv-materials-controls { margin: 1.5rem 0; }
.cv-materials-controls fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
.cv-materials-controls legend { font-size: 1.05rem; font-weight: 800; padding: 0 0 .8rem; }
.cv-materials-fields { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; align-items: end; }
.cv-materials-controls label { display: block; min-width: 0; font-size: 1rem; font-weight: 700; }
.cv-materials-controls input { display: block; width: 100%; min-width: 0; min-height: 48px; font: inherit; margin: .4rem 0; accent-color: var(--ink); cursor: pointer; padding: .5rem 0; }
.cv-materials-preview { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .65rem; margin: .8rem 0 1rem; }
.cv-materials-preview > div { display: flex; flex-direction: column; justify-content: space-between; min-width: 0; padding: .5rem .7rem; border-left: 3px solid var(--ink); background: #e8f0d3; }
.cv-materials-preview span { font-size: .875rem; }
.cv-materials-preview strong { font-size: 1.35rem; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.cv-materials-presets { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: .65rem; }
.cv-materials-presets button { min-height: 48px; font-size: .9375rem; white-space: normal; padding: .7rem .5rem; }
.cv-materials-lab :disabled { opacity: .55; cursor: not-allowed; }
.cv-materials-lab :focus-visible { outline: 3px solid var(--ink); outline-offset: 4px; }
.article-body .cv-materials-lab .cv-materials-help { font-size: .9375rem; color: #42594e; margin: .7rem 0; }
.cv-materials-workspace { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1.5rem; margin: 1.5rem 0; align-items: start; }
.cv-materials-workspace > div { min-width: 0; }
.cv-materials-formula { border-left: 3px solid var(--ink); padding: .7rem .8rem; background: #f1f3e5; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.cv-materials-reason, .cv-materials-question details { border: 1px solid var(--line-strong); border-radius: 9px; background: var(--paper); margin-top: 1.5rem; }
.cv-materials-lab summary { min-height: 48px; padding: .85rem 1rem; font-weight: 750; font-size: 1rem; cursor: pointer; }
.cv-materials-lab details p { margin: .4rem 1rem 1rem; }
.cv-materials-question { border-top: 1px solid var(--line-strong); padding-top: 1.5rem; margin-top: 1.5rem; }
.cv-materials-question details { margin-top: .75rem; }
.cv-materials-error { border: 1px solid #9b281d; color: #792116; background: #fff0eb; padding: .8rem; }
.cv-materials-status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
@media(max-width:760px) { .cv-materials-workspace { grid-template-columns: minmax(0,1fr); } }
@media(max-width:620px) { .cv-materials-fields { grid-template-columns: minmax(0,1fr); } .cv-materials-presets { grid-template-columns: repeat(2,minmax(0,1fr)); } .cv-materials-preview { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media(max-width:380px) { .cv-materials-preview strong { font-size: 1.05rem; } }
.cv-materials-comparison { border-left: 3px solid var(--ink); background: #f1f3e5; padding: .8rem 1rem; }

.cv-materials-chart { margin: 0; padding: 0; min-width: 0; }
.cv-materials-chart figcaption { font-weight: 800; font-size: 1.1rem; margin: 0 0 1.4rem; }
.cv-materials-chart-row { margin: 0 0 1.2rem; }
.cv-materials-row-label { display: flex; flex-wrap: wrap; gap: .3rem .8rem; justify-content: space-between; align-items: baseline; font-size: .9375rem; margin-bottom: .45rem; }
.cv-materials-row-label strong { white-space: nowrap; font-variant-numeric: tabular-nums; }
.cv-materials-track { display: flex; height: 30px; width: 100%; box-sizing: border-box; outline: 1px solid #789084; background-color: #f2f4e9; background-image: linear-gradient(to right,transparent calc(100% - 1px),#a3b1a5 0); background-size: 33.33333333333333% 100%; }
.cv-materials-track > span { display: block; flex: 0 0 auto; min-width: 0; height: 100%; }
.cv-materials-lab .is-net { background: #176b57; }
.cv-materials-lab .is-margin { background: #eaaa54; }
.cv-materials-lab .is-pack { background: repeating-linear-gradient(135deg,#d7def2 0 5px,#506a9c 5px 7px,#d7def2 7px 10px); }
.cv-materials-axis { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)) 0; margin-top: -.7rem; font-size: .8rem; font-variant-numeric: tabular-nums; color: #42594e; }
.cv-materials-axis span { white-space: nowrap; }
.cv-materials-axis span:last-child { justify-self: end; }
.cv-materials-legend { display: grid; gap: .6rem; list-style: none; padding: 0 !important; margin: 1rem 0 !important; font-size: .9375rem; }
.cv-materials-legend li { display: flex; gap: .6rem; align-items: start; margin: 0 !important; }
.cv-materials-legend i { display: block; width: 20px; height: 20px; flex: 0 0 20px; margin-top: .15rem; border: 1px solid #123e34; }
.cv-materials-proof { border: 1px solid var(--line-strong); padding: 1rem; background: #f1f3e5; }
.article-body .cv-materials-proof p { margin-bottom: 0; }
.cv-materials-takeaway { border-left: 3px solid #a85924; padding: .8rem 1rem; background: #fff2e4; }
@media(max-width:620px) { .cv-materials-presets button:last-child { grid-column: 1 / -1; } }