.lab-hero { padding: 44px 0 26px; max-width: 860px; }
.lab-hero h1 { font-size: clamp(1.9rem, 4vw, 3.3rem); line-height: 1.45; letter-spacing: -.035em; margin: 12px 0 16px; }
.lab-hero p { max-width: 44rem; line-height: 1.9; }
.lab-topline { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.lab-topline .eyebrow { margin: 0; }
.lab-badge, #connection { display: inline-block; border: 1px solid #c7d4dd; border-radius: 20px; font-size: .78rem; line-height: 1.5; font-weight: 600; background: #f0f5f8; padding: 5px 11px; color: #30465c; }
#connection[data-state="ready"] { background: #e8f3ef; color: #205c46; border-color: #afcfc1; }
#connection[data-state="error"] { background: #fff1ee; color: #853e2e; border-color: #dfb9ae; }
.lab-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 28px; border-bottom: 1px solid #c7d4dd; padding-bottom: 18px; }
.lab-nav button { background: white; border: 1px solid #a5b7c6; padding: 11px 18px; border-radius: 8px; color: #32485b; }
.lab-nav button[aria-pressed="true"] { background: #294c59; border-color: #294c59; color: white; }
.lab-grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 24px; align-items: start; }
.lab-input, .lab-output, .lab-evaluation, .lab-architecture { background: #fff; border: 1px solid #d4dde4; border-radius: 14px; padding: 26px; min-width: 0; }
.lab-input { border-top: 4px solid #386979; }
.lab-input h2, .lab-output h2 { margin-top: 0; font-size: 1.3rem; }
.lab-input label { display: block; font-weight: 600; margin: 20px 0 8px; }
.lab-input textarea { width: 100%; min-height: 160px; resize: vertical; font: inherit; line-height: 1.8; padding: 14px; color: #25394b; background: #fafcfd; border: 1px solid #a4b7c5; border-radius: 8px; }
.lab-input select, .lab-input input[type="password"] { width: 100%; font: inherit; padding: 11px; border: 1px solid #9bb0bf; border-radius: 6px; background: white; color: #25394b; }
.lab-examples { display: flex; flex-wrap: wrap; gap: 7px; margin: 12px 0 18px; }
.lab-example { font: inherit; font-size: .8rem; text-align: left; padding: 7px 10px; border: 1px solid #c0d1da; border-radius: 5px; background: #f1f7f8; color: #304e5c; }
.lab-example:hover { background: #e3eef0; }
.lab-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 24px; }
.lab-actions button { max-width: 100%; }
.lab-note, .lab-caution { border-left: 3px solid #b99b69; background: #faf6ec; padding: 12px 15px; font-size: .84rem; line-height: 1.8; }
.lab-step { letter-spacing: .08em; color: #487381; font-size: .75rem; font-weight: 700; }
.lab-output section { padding: 22px 0; border-bottom: 1px solid #e0e7ed; }
.lab-output h3 { font-size: 1.08rem; }
.lab-answer { white-space: pre-wrap; line-height: 1.95; background: #f3f7f8; padding: 18px; border-radius: 8px; }
.lab-scores { list-style: none; padding: 0; }
.lab-scores li { display: grid; grid-template-columns: 6.7rem minmax(0,1fr) 3.6rem; gap: 8px; align-items: center; font-size: .82rem; margin: 8px 0; }
.lab-scores meter { width: 100%; accent-color: #416c7c; }
.lab-document { border: 1px solid #d4dfe5; border-radius: 7px; padding: 12px 15px; margin: 12px 0; }
.lab-document summary { cursor: pointer; font-size: .91rem; font-weight: 600; color: #314e60; }
.lab-document summary small { display: block; margin: 5px 0 0 16px; font-weight: 400; overflow-wrap: anywhere; }
.lab-document p, .lab-document li { font-size: .88rem; line-height: 1.9; }
.lab-document li { margin: 10px 0; }
.lab-document ul { padding-left: 20px; }
.lab-run-meta { overflow-wrap: anywhere; font: 11px/1.8 ui-monospace, monospace; color: #52677a; }
.lab-result-heading { display: flex; flex-wrap: wrap; align-items: start; gap: 8px; justify-content: space-between; }
.lab-metrics { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px; margin: 24px 0; }
.lab-metrics div { border: 1px solid #ccdae0; border-radius: 8px; padding: 16px; background: #f6fafb; }
.lab-metrics span { display: block; font-size: .8rem; color: #486273; }
.lab-metrics strong { display: block; font-size: 1.8rem; font-weight: 600; margin-top: 9px; color: #2c5362; }
.lab-table-wrap { overflow-x: auto; max-width: 100%; margin: 18px 0; }
.lab-table-wrap table { border-collapse: collapse; width: 100%; min-width: 520px; font-size: .88rem; }
.lab-table-wrap td, .lab-table-wrap th { padding: 13px; border: 1px solid #d0dde3; text-align: center; }
.lab-table-wrap caption { text-align: left; margin-bottom: 10px; }
.lab-diagonal { background: #e8f2ee; font-weight: 600; }
.lab-pipeline { counter-reset: pipeline; list-style: none; padding: 0; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.lab-pipeline li { border: 1px solid #c8d8df; border-radius: 8px; padding: 18px; background: #f7fafb; line-height: 1.8; font-size: .88rem; }
.lab-pipeline li::before { counter-increment: pipeline; content: "0" counter(pipeline); display: block; font: 600 1.3rem/1.5 ui-monospace,monospace; color: #3e6a7b; margin-bottom: 10px; }
.lab-pipeline strong { display: block; margin-bottom: 8px; }
.lab-review [aria-pressed="true"] { outline: 2px solid #396777; outline-offset: 2px; }
.lab-architecture h3 { margin-top: 32px; }
.lab-panel[hidden], [hidden] { display: none !important; }
@media (max-width: 900px) { .lab-grid { grid-template-columns: 1fr; } .lab-metrics { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .lab-input, .lab-output, .lab-evaluation, .lab-architecture { padding: 18px; } .lab-hero { padding-top: 25px; } .lab-pipeline { grid-template-columns: 1fr; } .lab-nav button { flex: 1 1 auto; padding: 10px; font-size: .83rem; } .lab-metrics { gap: 8px; } .lab-metrics div { padding: 12px; } .lab-metrics strong { font-size: 1.5rem; } .lab-scores li { grid-template-columns: 5.9rem minmax(0,1fr) 3.3rem; font-size: .76rem; } }