:root {
  --bg: #F4F1EA;
  --card: #FFFFFF;
  --ink: #17181C;
  --ink-2: #55575F;
  --ink-3: #8A8C93;
  --line: #E4E0D6;
  --zonal: #1D5FD1;       /* bus azul SITP */
  --troncal: #D3322B;     /* rojo TransMilenio */
  --moto: #E38B06;
  --ok: #1C8A57;
  --ok-bg: #E2F3EA;
  --warn: #B4570A;
  --warn-bg: #FCEBD6;
  --mal: #B3261E;
  --walk: #B9B4A8;
  --wait: #F2C14E;
  --radio: 20px;
  --sombra: 0 1px 2px rgba(20, 20, 30, .06), 0 6px 24px rgba(20, 20, 30, .05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121316; --card: #1C1D22; --ink: #F1F0EC; --ink-2: #B4B5BC; --ink-3: #7D7F88; --line: #2C2D34;
    --zonal: #5B92F5; --troncal: #F0625B; --moto: #F5A623; --ok: #4CC38A; --ok-bg: #173327;
    --warn: #F3A45A; --warn-bg: #3A2A16; --walk: #5D5B56; --wait: #C9A03A;
    --sombra: 0 1px 2px rgba(0, 0, 0, .3); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #121316; --card: #1C1D22; --ink: #F1F0EC; --ink-2: #B4B5BC; --ink-3: #7D7F88; --line: #2C2D34;
  --zonal: #5B92F5; --troncal: #F0625B; --moto: #F5A623; --ok: #4CC38A; --ok-bg: #173327;
  --warn: #F3A45A; --warn-bg: #3A2A16; --walk: #5D5B56; --wait: #C9A03A;
  --sombra: 0 1px 2px rgba(0, 0, 0, .3); color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0 auto; max-width: 560px; min-height: 100dvh;
  padding: max(12px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));
  background: var(--bg); color: var(--ink);
  font: 16px/1.45 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
}
h1, h2, h3, .num, .marca { font-family: "Bricolage Grotesque", Inter, system-ui, sans-serif; }
a { color: inherit; }
button, input, select { font: inherit; color: inherit; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 4px 2px 14px; }
.marca { font-weight: 800; font-size: 26px; letter-spacing: -.02em; display: flex; align-items: baseline; gap: 10px; }
.marca span { white-space: nowrap; font: 500 14px Inter, sans-serif; color: var(--ink-3); letter-spacing: 0; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 11px; border-radius: 99px; background: var(--card); box-shadow: var(--sombra); font-size: 14px; color: var(--ink-2); white-space: nowrap; }
.chip.lluvia { background: var(--warn-bg); color: var(--warn); }

.tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; padding: 4px; border-radius: 16px; background: var(--card); box-shadow: var(--sombra); margin-bottom: 16px; }
.tabs button { border: 0; background: none; padding: 11px 6px; border-radius: 12px; font-weight: 600; font-size: 15px; color: var(--ink-2); cursor: pointer; min-height: 44px; }
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--bg); }

.card { background: var(--card); border-radius: var(--radio); box-shadow: var(--sombra); padding: 18px; margin-bottom: 14px; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 8px; }

/* Veredicto */
.veredicto { padding: 20px 20px 18px; position: relative; overflow: hidden; }
.veredicto::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 6px; background: var(--acento, var(--ok)); }
.veredicto h1 { margin: 0; font-size: 34px; line-height: 1.05; letter-spacing: -.025em; font-weight: 800; }
.veredicto .por-que { margin: 10px 0 0; color: var(--ink-2); font-size: 16px; }
.salida { display: flex; align-items: center; gap: 14px; margin-top: 16px; padding: 14px; border-radius: 14px; background: var(--bg); }
.salida .num { flex: none; white-space: nowrap; font-size: 44px; font-weight: 800; line-height: 1; letter-spacing: -.03em; min-width: 2ch; text-align: center; }
.salida .num small { font-size: 16px; font-weight: 700; margin-left: 2px; }
.salida p { margin: 0; font-size: 15px; color: var(--ink-2); }
.salida p b { color: var(--ink); }
.salida.ya { background: var(--warn-bg); }
.salida.ya .num { color: var(--warn); }

/* Próximos buses */
.proximos { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 2px; scrollbar-width: none; }
.proximos::-webkit-scrollbar { display: none; }
.prox { flex: 0 0 auto; min-width: 86px; padding: 10px 12px; border-radius: 14px; border: 1.5px solid var(--line); }
.prox .num { white-space: nowrap; font-size: 26px; font-weight: 800; line-height: 1; }
.prox .num small { font-size: 13px; font-weight: 600; margin-left: 2px; }
.prox .det { font-size: 12.5px; color: var(--ink-3); margin-top: 4px; white-space: nowrap; }
.prox.si { border-color: var(--zonal); }
.prox.no { opacity: .5; }
.prox.no .num { text-decoration: line-through; text-decoration-thickness: 2px; }

/* La línea con los buses acercándose */
.linea { position: relative; height: 64px; margin: 18px 6px 4px; }
.linea .riel { position: absolute; left: 0; right: 0; top: 30px; height: 4px; border-radius: 4px; background: var(--line); }
.linea .parada { position: absolute; top: 28px; width: 8px; height: 8px; margin-left: -4px; border-radius: 50%; background: var(--card); border: 2px solid var(--ink-3); }
.linea .parada.meta { width: 16px; height: 16px; top: 24px; margin-left: -8px; border: 4px solid var(--ink); }
.linea .bus { position: absolute; top: 2px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; transition: left 1.2s ease; }
.linea .bus i { display: grid; place-items: center; width: 24px; height: 22px; border-radius: 6px; background: var(--zonal); color: #fff; font-style: normal; font-size: 11px; font-weight: 700; }
.linea .bus i::after { content: ""; display: block; width: 0; height: 0; }
.linea .bus b { font-size: 11px; color: var(--ink-2); margin-top: 18px; white-space: nowrap; font-weight: 600; }
.linea-pie { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--ink-3); margin: 0 0 2px; }
.linea-pie b { color: var(--ink); font-weight: 600; }

/* Comparación */
.opcion { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; padding: 14px 0; border-top: 1px solid var(--line); }
.opcion:first-of-type { border-top: 0; padding-top: 4px; }
.opcion h3 { margin: 0; font-size: 18px; font-weight: 700; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.opcion .total { text-align: right; }
.opcion .total .num { font-size: 26px; font-weight: 800; line-height: 1; }
.opcion .total .num small { font-size: 13px; font-weight: 600; }
.opcion .sub { color: var(--ink-3); font-size: 13.5px; }
.opcion .barra { grid-column: 1 / -1; display: flex; height: 10px; border-radius: 6px; overflow: hidden; margin-top: 10px; background: var(--line); }
.opcion .barra span { display: block; height: 100%; }
.opcion .barra .c { background: var(--walk); }
.opcion .barra .e { background: var(--wait); }
.opcion .barra .z { background: var(--zonal); }
.opcion .barra .t { background: var(--troncal); }
.opcion .barra .m { background: var(--moto); }
.opcion .detalle { grid-column: 1 / -1; font-size: 14px; color: var(--ink-2); margin-top: 8px; }
.opcion.mejor h3::after { content: "Mejor ahora"; font: 600 11.5px Inter, sans-serif; padding: 3px 8px; border-radius: 99px; background: var(--ok-bg); color: var(--ok); }
.tag { display: inline-grid; place-items: center; min-width: 44px; padding: 2px 7px; border-radius: 7px; font: 700 14px "Bricolage Grotesque", sans-serif; color: #fff; }
.tag.z { background: var(--zonal); }
.tag.t { background: var(--troncal); }
.tag.m { background: var(--moto); color: #241500; }
.leyenda { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 12.5px; color: var(--ink-3); margin-top: 12px; }
.leyenda i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }

.consejos { margin: 0; padding: 0; list-style: none; }
.consejos li { padding: 10px 0 10px 28px; border-top: 1px solid var(--line); position: relative; color: var(--ink-2); font-size: 15px; }
.consejos li:first-child { border-top: 0; padding-top: 2px; }
.consejos li::before { content: "→"; position: absolute; left: 4px; color: var(--ink-3); }
.consejos li:first-child::before { top: 2px; }

/* Mapa */
.mapa-card { padding: 14px 14px 12px; }
.mapa-cab { display: flex; justify-content: space-between; align-items: center; padding: 2px 4px 0; }
.mapa-cab .eyebrow { margin: 0 0 10px; }
.ampliar { border: 0; background: var(--bg); border-radius: 99px; padding: 6px 12px; font-size: 13.5px; font-weight: 600; color: var(--ink-2); cursor: pointer; margin-bottom: 10px; min-height: 34px; }
#mapa { height: 300px; border-radius: 14px; overflow: hidden; background: var(--bg); }
.mapa-card.grande #mapa { height: 68vh; }
.mapa-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.mapa-chips button { border: 1.5px solid var(--line); background: none; border-radius: 99px; padding: 5px 10px 5px 5px; font-size: 13px; color: var(--ink-3); cursor: pointer; min-height: 40px; display: inline-flex; align-items: center; gap: 6px; }
.mapa-chips button[aria-pressed="true"] { border-color: var(--ink); color: var(--ink); }
.mapa-chips .tag { font-size: 13px; min-width: 0; }
.opcion[data-op] { cursor: pointer; }
.mk { font: 600 12px Inter, sans-serif; pointer-events: auto; }
.mk-parada { display: flex; flex-direction: column; align-items: flex-start; padding: 4px 8px; border-radius: 10px; background: var(--card); color: var(--ink); box-shadow: 0 2px 8px rgba(0,0,0,.18); max-width: 150px; border: 2px solid var(--ink); }
.mk-parada::after { content: ""; position: absolute; left: 50%; bottom: -8px; width: 10px; height: 10px; margin-left: -5px; border-radius: 50%; background: var(--ink); border: 2px solid var(--card); }
.mk-parada span { font-size: 10.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); }
.mk-parada b { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 134px; }
.mk-parada.sube { border-color: var(--ok); }
.mk-parada.sube span { color: var(--ok); }
.mk-bus { display: inline-flex; align-items: center; gap: 4px; padding: 3px 7px; border-radius: 8px; color: #fff; font: 700 12px "Bricolage Grotesque", sans-serif; box-shadow: 0 1px 6px rgba(0,0,0,.3); border: 2px solid #fff; }
.mk-bus small { font: 600 11px Inter, sans-serif; opacity: .9; }
.mk-bus.z { background: var(--zonal); }
.mk-bus.t { background: var(--troncal); }
.mk-lugar { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px 5px 6px; border-radius: 99px; background: var(--ink); color: var(--bg); box-shadow: 0 2px 8px rgba(0,0,0,.25); max-width: 170px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mk-lugar i { width: 12px; height: 12px; border-radius: 50%; background: var(--ok); flex: none; border: 2px solid var(--bg); }
.mk-lugar.fin i { background: var(--moto); }
.maplibregl-ctrl-attrib { font-size: 10px; }

/* Otro destino */
.otro { margin-bottom: 14px; }
.campo { margin-bottom: 12px; position: relative; }
.campo label { display: block; font-size: 14px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.campo input, .campo select { width: 100%; min-height: 50px; padding: 12px 14px; border-radius: 14px; border: 1.5px solid var(--line); background: var(--card); font-size: 16px; }
.campo input:focus, .campo select:focus { outline: none; border-color: var(--ink); }
.sugerencias { list-style: none; margin: 6px 0 0; padding: 6px; border-radius: 14px; background: var(--card); box-shadow: var(--sombra); }
.sugerencias li button { width: 100%; text-align: left; border: 0; background: none; padding: 10px; border-radius: 10px; cursor: pointer; min-height: 48px; }
.sugerencias li button:hover, .sugerencias li button:focus { background: var(--bg); outline: none; }
.sugerencias b { display: block; font-weight: 600; }
.sugerencias span { font-size: 13px; color: var(--ink-3); }

.ajustes { margin: 6px 0 14px; padding: 4px 18px; border-radius: var(--radio); background: var(--card); box-shadow: var(--sombra); }
.ajustes summary { cursor: pointer; padding: 12px 0; font-weight: 600; color: var(--ink-2); }
.nota { font-size: 13px; color: var(--ink-3); }

.cargando { text-align: center; padding: 48px 0; color: var(--ink-3); }
.pulso { width: 44px; height: 44px; margin: 0 auto 14px; border-radius: 50%; background: var(--zonal); animation: pulso 1.2s ease-in-out infinite; }
@keyframes pulso { 0%, 100% { transform: scale(.6); opacity: .4; } 50% { transform: scale(1); opacity: 1; } }
.error { border: 1.5px solid var(--mal); color: var(--mal); }

.pie { text-align: center; font-size: 12.5px; color: var(--ink-3); padding: 8px 0; }
.pie p { margin: 4px 0; }

@media (prefers-reduced-motion: reduce) { .linea .bus { transition: none; } .pulso { animation: none; } }
@media (max-width: 440px) { .marca span { display: none; } }
@media (max-width: 360px) { .veredicto h1 { font-size: 29px; } .salida .num { font-size: 38px; } }