:root{--lp-red:#e60028;--lp-navy:#000054;--lp-ink:#17172f;--lp-muted:#686c88;--lp-line:#e1e3eb;--lp-soft:#f5f6fa;--lp-green:#087f57;--lp-amber:#b46a00;--lp-white:#fff}
*{box-sizing:border-box}
body.lp-page{margin:0;background:#f6f7fa;color:var(--lp-ink);font-family:Inter,Arial,sans-serif}
.lp-top{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:60px;padding:0 28px;background:var(--lp-navy);color:#fff}
.lp-brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-weight:850;letter-spacing:-.02em}.lp-mark{width:22px;height:22px;background:var(--lp-red);clip-path:polygon(0 45%,45% 45%,45% 0,100% 0,100% 55%,55% 55%,55% 100%,0 100%)}
.lp-nav{display:flex;align-items:center;gap:8px}.lp-nav a{padding:8px 13px;border-radius:999px;color:#fff;text-decoration:none;font-size:12px;font-weight:750}.lp-nav a:hover,.lp-nav a:focus-visible{background:rgba(255,255,255,.14)}
.lp-main{width:min(1240px,calc(100% - 36px));margin:0 auto;padding:42px 0 64px}.lp-ey{margin:0 0 10px;color:var(--lp-red);font-size:11px;font-weight:850;letter-spacing:.14em;text-transform:uppercase}.lp-title{margin:0;color:var(--lp-navy);font-size:clamp(34px,5vw,62px);line-height:1.02;letter-spacing:-.055em}.lp-lead{max-width:800px;margin:14px 0 0;color:var(--lp-muted);font-size:15px;line-height:1.65}
.lp-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:28px 0}.lp-stat{min-height:104px;padding:17px 18px;border:1px solid var(--lp-line);border-radius:14px;background:#fff}.lp-stat span,.lp-label{display:block;color:var(--lp-muted);font-size:11px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.lp-stat b{display:block;margin-top:8px;color:var(--lp-navy);font-size:28px;line-height:1}.lp-stat small{display:block;margin-top:8px;color:var(--lp-muted);font-size:11px}
.lp-grid{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(0,1.28fr);gap:16px;align-items:start}.lp-panel{border:1px solid var(--lp-line);border-radius:16px;background:#fff;box-shadow:0 10px 28px rgba(0,0,84,.045)}.lp-panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:18px 20px;border-bottom:1px solid var(--lp-line)}.lp-panel-head h2{margin:0;color:var(--lp-navy);font-size:17px}.lp-panel-head p{margin:5px 0 0;color:var(--lp-muted);font-size:11px;line-height:1.45}.lp-panel-body{padding:20px}
.lp-form{display:grid;gap:14px}.lp-form label{display:grid;gap:6px;color:var(--lp-navy);font-size:11px;font-weight:800}.lp-form input,.lp-form select,.lp-input{width:100%;min-height:42px;padding:10px 12px;border:1px solid #cfd2df;border-radius:9px;background:#fff;color:var(--lp-ink);font:600 13px Inter,Arial,sans-serif}.lp-form input:focus,.lp-form select:focus,.lp-input:focus{outline:3px solid rgba(230,0,40,.16);border-color:var(--lp-red)}.lp-inline{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.lp-actions{display:flex;flex-wrap:wrap;gap:8px}.lp-btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:9px 15px;border:1px solid transparent;border-radius:999px;background:var(--lp-navy);color:#fff;font:800 12px Inter,Arial,sans-serif;text-decoration:none;cursor:pointer}.lp-btn:hover{transform:translateY(-1px)}.lp-btn.red{background:var(--lp-red)}.lp-btn.ghost{border-color:var(--lp-line);background:#fff;color:var(--lp-navy)}.lp-btn.soft{background:#eff0f6;color:var(--lp-navy)}.lp-btn.warn{background:#fff3e5;color:#7f4700}.lp-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.lp-session-list{display:grid;gap:8px;max-height:430px;overflow:auto}.lp-session{display:grid;grid-template-columns:1fr auto;gap:7px 12px;width:100%;padding:13px;border:1px solid var(--lp-line);border-radius:11px;background:#fff;text-align:left;cursor:pointer}.lp-session:hover,.lp-session.on{border-color:var(--lp-navy);background:#f7f7fc}.lp-session b{color:var(--lp-navy);font-size:12px}.lp-session small{grid-column:1/-1;color:var(--lp-muted);font-size:11px}.lp-status{display:inline-flex;align-items:center;gap:6px;color:var(--lp-muted);font-size:11px;font-weight:800;text-transform:uppercase}.lp-status:before{content:"";width:7px;height:7px;border-radius:50%;background:#9ba0b5}.lp-status.running:before{background:var(--lp-green)}.lp-status.paused:before{background:var(--lp-amber)}.lp-status.ended:before{background:var(--lp-red)}
.lp-selected{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:start}.lp-selected h3{margin:0;color:var(--lp-navy);font-size:22px}.lp-selected p{margin:7px 0 0;color:var(--lp-muted);font-size:12px}.lp-code{min-width:112px;padding:11px 13px;border-radius:11px;background:var(--lp-navy);color:#fff;text-align:center;font-size:21px;font-weight:900;letter-spacing:.18em}
.lp-qrbox{display:grid;grid-template-columns:168px 1fr;gap:18px;align-items:center;margin:18px 0;padding:15px;border-radius:13px;background:var(--lp-soft)}.lp-qr{display:grid;place-items:center;min-height:150px;background:#fff;border-radius:10px}.lp-qr svg{width:138px;height:138px}.lp-link{overflow-wrap:anywhere;color:var(--lp-muted);font-size:11px;line-height:1.55}.lp-link b{display:block;margin-bottom:5px;color:var(--lp-navy);font-size:11px}
.lp-table-wrap{overflow:auto;margin-top:18px;border:1px solid var(--lp-line);border-radius:12px}.lp-table{width:100%;border-collapse:collapse;min-width:620px}.lp-table th,.lp-table td{padding:11px 13px;border-bottom:1px solid var(--lp-line);text-align:left;font-size:11px}.lp-table th{background:var(--lp-soft);color:var(--lp-muted);font-size:11px;letter-spacing:.08em;text-transform:uppercase}.lp-table td b{color:var(--lp-navy)}.lp-table tr:last-child td{border-bottom:0}.lp-empty{padding:34px 18px;text-align:center;color:var(--lp-muted);font-size:12px}.lp-note{margin-top:14px;padding:12px 14px;border-left:3px solid var(--lp-red);background:#fff6f7;color:var(--lp-muted);font-size:11px;line-height:1.55}
.lp-toast{position:fixed;right:22px;bottom:22px;z-index:100;max-width:320px;padding:12px 16px;border-radius:10px;background:var(--lp-navy);color:#fff;font-size:12px;font-weight:700;box-shadow:0 14px 35px rgba(0,0,84,.25)}
@media(max-width:900px){.lp-stats{grid-template-columns:repeat(2,1fr)}.lp-grid{grid-template-columns:1fr}.lp-top{padding:0 16px}.lp-main{width:min(100% - 24px,1240px);padding-top:28px}.lp-nav{flex-wrap:wrap;justify-content:flex-end;row-gap:4px}.lp-nav a{white-space:nowrap;font-size:12px}   /* QA UX 2026-10-03: phones used to hide every nav link but the last; wrap them instead so Lab home stays on screen */}
@media(max-width:560px){.lp-stats{grid-template-columns:1fr 1fr}.lp-inline,.lp-selected,.lp-qrbox{grid-template-columns:1fr}.lp-code{width:132px}.lp-panel-body{padding:15px}.lp-title{font-size:36px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Shared shell width: platform pages use the same 1440px reading frame as activities. */
.lp-main{width:min(var(--lab-max,1440px),calc(100% - 48px));}
@media(max-width:640px){.lp-main{width:calc(100% - 24px);}}
@media print{.lp-top,.lp-actions,.lp-form,.lp-session-list{display:none!important}.lp-main{width:100%;padding:0}.lp-panel{box-shadow:none}.lp-grid{display:block}.lp-panel{margin-bottom:18px}}

/* "About this tool" band on lp pages: same rhythm as the tool pages. Without
   this the band fell back to browser defaults (blue underlined links, loose
   headings) because rl-ui.css only owns the band's geometry, not its type. */
.lp-page .edu-card h3{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--lp-navy);margin:0 0 10px;display:flex;align-items:center;gap:8px}
.lp-page .edu-dot{width:9px;height:9px;border-radius:3px;background:var(--lp-red);display:inline-block;flex:none}
.lp-page .edu-grid h4{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--lp-red);margin:0 0 6px}
.lp-page .edu-grid p{font-size:13.5px;line-height:1.55;color:#33365c;margin:0}
.lp-page .edu-src{margin-top:14px;font-size:12.5px;color:var(--lp-muted)}
.lp-page .edu-src a{color:var(--lp-navy);font-weight:600}
.lp-brand img.rl-logo{height:18px;width:auto;display:block}