:root{color-scheme:light;--ink: #14213d;--rail: #1b4332;--sand: #f0ebe3;--accent: #bc4749;--line: #cfc6b8;--ok: #2d6a4f;font-family:IBM Plex Sans,Segoe UI,sans-serif;background:radial-gradient(circle at 10% 0%,#d8e2dc 0%,transparent 45%),linear-gradient(160deg,#f7f3ec,#e7efe9 55%,#f0ebe3);color:var(--ink)}*{box-sizing:border-box}body{margin:0;min-height:100vh}#app{max-width:1100px;margin:0 auto;padding:2rem 1.25rem 4rem}header.brand{margin-bottom:1.5rem}header.brand h1{font-family:"IBM Plex Serif",Georgia,serif;font-size:clamp(2rem,4vw,2.8rem);letter-spacing:-.02em;margin:0 0 .35rem;color:var(--rail)}header.brand p{margin:0;max-width:40rem;line-height:1.45}.panel{border:1px solid var(--line);background:#ffffffb8;padding:1rem 1.1rem;margin-bottom:1rem}.panel h2{margin:0 0 .75rem;font-size:1rem;text-transform:uppercase;letter-spacing:.06em}.grid{display:grid;gap:.75rem}@media(min-width:720px){.grid.two{grid-template-columns:1fr 1fr}}.journey,.seat,.meta{border:1px solid var(--line);padding:.75rem;background:#fff}button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--rail);background:var(--rail);color:#fff;padding:.55rem .9rem;cursor:pointer;font:inherit}button.secondary{background:transparent;color:var(--rail)}button:disabled{opacity:.45;cursor:not-allowed}.status{font-weight:600}.status.ok{color:var(--ok)}.status.bad{color:var(--accent)}ul.tools{margin:0;padding-left:1.1rem}code{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:.9em}label{display:flex;flex-direction:column;gap:.35rem;font-size:.92rem}select{font:inherit;padding:.45rem .5rem;border:1px solid var(--line);background:#fff}.mech-grid{display:grid;gap:.4rem;margin:.75rem 0}@media(min-width:720px){.mech-grid{grid-template-columns:1fr 1fr}}.check{flex-direction:row;align-items:center;gap:.5rem}.panel.judge{border-color:var(--rail)}.compare-grid{display:grid;gap:1rem;margin-top:.75rem}@media(min-width:800px){.compare-grid{grid-template-columns:1fr 1fr}}.arm h3{margin:0 0 .5rem;font-size:1rem}.arm.raw{border-left:3px solid var(--accent);padding-left:.75rem}.arm.proto{border-left:3px solid var(--ok);padding-left:.75rem}.view-tabs{display:flex;gap:.5rem;margin-bottom:1rem}.view-tabs button.active{background:var(--rail);color:#fff;border-color:var(--rail)}.step-row{display:flex;flex-wrap:wrap;gap:.35rem;margin:.75rem 0}.step-pill{font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;border:1px solid var(--line);padding:.2rem .45rem;opacity:.55}.step-pill.on{opacity:1;border-color:var(--rail);color:var(--rail);font-weight:600}.booking-card{display:grid;gap:.75rem;margin:1rem 0;padding:.85rem;background:#fff;border:1px solid var(--line)}@media(min-width:720px){.booking-card{grid-template-columns:1fr 1fr}}.battery ul{margin:.5rem 0 0;padding-left:1.1rem}