:root {
  --bg: #f4f1ec; --card: #fbfaf7; --ink: #26302f; --muted: #5b6664; --line: #d9d3c8;
  --accent: #3d6b66; --accent-ink: #ffffff; --soft: #e6efec; --warn: #8a4b2d; --warn-bg: #f6e9e1;
}
* { box-sizing: border-box; }
html { font-size: 112.5%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; line-height: 1.6; }
.wrap { max-width: 46rem; margin: 0 auto; padding: 1rem 1.1rem; }
h1 { font-size: 2.2rem; margin: 1.5rem 0 .2rem; letter-spacing: .01em; }
h2 { font-size: 1.35rem; margin: 0 0 .8rem; }
h3 { font-size: 1.1rem; margin: 1.2rem 0 .4rem; }
.lede { font-size: 1.1rem; margin: 0 0 .6rem; }
.muted { color: var(--muted); font-size: .9rem; }
.mode { display: inline-block; background: var(--soft); padding: .25rem .7rem; border-radius: 1rem; font-size: .85rem; margin: 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: .8rem; padding: 1.2rem; margin: 1rem 0; }
fieldset { border: 0; padding: 0; margin: 0 0 1rem; }
legend { font-weight: 600; margin-bottom: .4rem; padding: 0; }
label { display: block; font-weight: 600; font-size: .95rem; }
input, select, button { font: inherit; }
input, select { display: block; width: 100%; margin-top: .25rem; padding: .6rem .7rem; border: 2px solid var(--line); border-radius: .5rem; background: #fff; color: var(--ink); min-height: 2.75rem; }
.fav { display: grid; grid-template-columns: 1fr 8rem; gap: .5rem; margin-bottom: .5rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: .8rem; margin-bottom: 1rem; }
button { cursor: pointer; border-radius: .5rem; min-height: 2.75rem; padding: .5rem 1rem; border: 2px solid var(--accent); background: transparent; color: var(--accent); font-weight: 600; }
button.primary { background: var(--accent); color: var(--accent-ink); width: 100%; font-size: 1.1rem; }
button.link { border: 0; text-decoration: underline; padding: .3rem 0; min-height: 0; }
.examples { display: grid; gap: .6rem; }
.examples button { text-align: left; font-weight: 500; color: var(--ink); border-color: var(--line); background: #fff; }
.examples strong { display: block; color: var(--accent); }
:focus-visible { outline: 3px solid #1b4fd8; outline-offset: 2px; }
.skip { position: absolute; left: -999px; } .skip:focus { left: .5rem; top: .5rem; background: #fff; padding: .5rem; z-index: 5; }
.error { background: var(--warn-bg); color: var(--warn); padding: .6rem .8rem; border-radius: .5rem; margin: .8rem 0 0; }
.narrative { font-size: 1.05rem; }
.moved { border-left: 4px solid #b26a00; padding: .4rem .7rem; background: #fff6e5; color: #4a2c00; }
.stops { list-style: none; padding: 0; margin: 1rem 0; display: grid; gap: .8rem; }
.stop { border: 1px solid var(--line); border-left: 6px solid var(--accent); border-radius: .5rem; padding: .8rem 1rem; background: #fff; }
.stop .time { font-weight: 700; color: var(--accent); }
.stop h3 { margin: .1rem 0 .3rem; }
.tags { display: flex; flex-wrap: wrap; gap: .35rem; margin: .4rem 0 0; padding: 0; list-style: none; }
.tags li { background: var(--soft); border-radius: 1rem; padding: .1rem .6rem; font-size: .82rem; }
.because { margin: .4rem 0 0; font-size: .92rem; }
.meter { display: inline-block; height: .5rem; background: var(--soft); border-radius: .3rem; width: 5rem; vertical-align: middle; margin-left: .3rem; }
.meter i { display: block; height: 100%; background: var(--accent); border-radius: .3rem; }
.compare { display: grid; gap: 1rem; }
@media (min-width: 40rem) { .compare { grid-template-columns: 1fr 1fr; } }
.col { padding: .8rem 1rem; border-radius: .5rem; border: 1px solid var(--line); background: #fff; }
.col.generic { border-left: 6px solid var(--warn); }
.col.grounded { border-left: 6px solid var(--accent); }
.col h3 { margin-top: 0; }
.col ul { padding-left: 1.1rem; margin: .3rem 0; }
.warnbox { background: var(--warn-bg); color: var(--warn); padding: .5rem .7rem; border-radius: .4rem; font-size: .9rem; }
details summary { cursor: pointer; font-weight: 600; }
details ol { padding-left: 1.2rem; font-size: .88rem; word-break: break-word; }
@media (prefers-reduced-motion: no-preference) { .card { transition: box-shadow .2s; } .card:hover { box-shadow: 0 2px 10px rgba(0,0,0,.06); } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }
@media (prefers-color-scheme: dark) {
  :root { --bg: #1d2322; --card: #252c2b; --ink: #e8ece9; --muted: #a8b3b0; --line: #3a4543; --accent: #8cc2ba; --accent-ink: #12201e; --soft: #31403d; --warn: #f0b99d; --warn-bg: #3b2c25; }
  input, select, .examples button, .stop, .col { background: #1f2625; color: var(--ink); }
}