:root {
  --bg: #0b0d0b;
  --surface: #141714;
  --surface-2: #1b1f1b;
  --line: #262d26;
  --ink: #f2f5f1;
  --ink-2: #a9b3a8;
  --ink-3: #6f7a6e;
  --mint: #8cf59a;
  --mint-2: #4c9e57;
  --mint-3: #1f3d25;
  --warn: #fbbf24;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f8f5; --surface: #ffffff; --surface-2: #eef2ed; --line: #dde5db;
    --ink: #121612; --ink-2: #4b5649; --ink-3: #7b8679;
    --mint: #1f8a33; --mint-2: #2f6b38; --mint-3: #dcf5e0; --warn: #b45309;
    color-scheme: light;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 15.5px/1.6 var(--sans); display: flex; flex-direction: column; }
button, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 2px; border-radius: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Header */
.top { display: flex; align-items: center; gap: 16px; padding: 14px 24px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand__kanji { font: 600 20px var(--serif); color: var(--mint); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 4px 8px; }
.brand__name { margin: 0; font: 600 18px var(--serif); letter-spacing: .04em; }
.brand__sub { margin: 0; font: 500 12px var(--mono); color: var(--ink-3); }
.mode { margin: 0 0 0 auto; font: 500 12px var(--mono); color: var(--warn); border: 1px solid currentColor; border-radius: 999px; padding: 3px 10px; }
.btn-ghost { margin-left: auto; background: transparent; border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; cursor: pointer; font-size: 14px; }
.mode:not([hidden]) + .btn-ghost { margin-left: 0; }
.btn-ghost:hover { border-color: var(--ink-3); }

/* Layout */
.layout { flex: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); min-height: 0; }
.chat { display: flex; flex-direction: column; min-height: 0; border-right: 1px solid var(--line); }
.panel { overflow-y: auto; padding: 28px; background: radial-gradient(800px 400px at 100% 0, rgb(140 245 154 / .06), transparent 60%); }

/* Chat */
.aviso { margin: 16px 20px 0; padding: 10px 14px; border-radius: 10px; font-size: 13.5px; color: var(--ink-2); background: var(--surface); border: 1px dashed var(--warn); }
.mensajes { list-style: none; margin: 0; padding: 20px; flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 85%; padding: 11px 15px; border-radius: 16px; white-space: pre-wrap; overflow-wrap: anywhere; }
.msg--bot { background: var(--surface); border: 1px solid var(--line); border-bottom-left-radius: 4px; align-self: flex-start; }
.msg--user { background: var(--mint-3); border-bottom-right-radius: 4px; align-self: flex-end; }
.msg--error { align-self: center; font-size: 13.5px; color: var(--warn); background: transparent; border: 1px solid var(--warn); }
.msg--escribiendo::after { content: "▍"; color: var(--mint); animation: parpadeo 1s steps(1) infinite; }
@keyframes parpadeo { 50% { opacity: 0; } }
.sugerencia { margin: 0 20px 10px; display: flex; flex-direction: column; gap: 6px; }
.sugerencia span { font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); }
.sugerencia button { text-align: left; background: var(--surface); border: 1px dashed var(--mint-2); border-radius: 12px; padding: 10px 14px; cursor: pointer; color: var(--ink-2); }
.sugerencia button:hover { color: var(--ink); border-style: solid; }
.entrada { display: flex; gap: 10px; align-items: flex-end; margin: 0 20px; padding: 8px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; }
.entrada:focus-within { border-color: var(--mint-2); }
.entrada textarea { flex: 1; resize: none; border: 0; background: transparent; outline: none; padding: 6px 8px; max-height: 160px; }
.entrada button { width: 40px; height: 40px; flex: none; border: 0; border-radius: 12px; background: var(--mint); color: #0b0d0b; cursor: pointer; display: grid; place-items: center; }
.entrada button:disabled { opacity: .4; cursor: default; }
.entrada svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.nota { margin: 8px 20px 14px; font-size: 12px; color: var(--ink-3); }

/* Panel vacío */
.panel__vacio { max-width: 420px; margin: 8vh auto 0; text-align: center; color: var(--ink-2); }
.panel__kanji { font: 600 54px var(--serif); color: var(--mint); opacity: .8; }
.panel__vacio h2 { font: 600 26px var(--serif); color: var(--ink); margin: 12px 0 8px; }
.pasos-mini { list-style: none; padding: 0; margin: 24px 0 0; display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; counter-reset: p; }
.pasos-mini li { counter-increment: p; font: 500 12px var(--mono); padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px; }
.pasos-mini li::before { content: "0" counter(p) " "; color: var(--mint); }
.cargando { display: flex; align-items: center; gap: 10px; color: var(--ink-2); font: 500 13px var(--mono); margin-bottom: 16px; }
.cargando span { width: 14px; height: 14px; border: 2px solid var(--mint-3); border-top-color: var(--mint); border-radius: 50%; animation: giro .8s linear infinite; }
@keyframes giro { to { transform: rotate(360deg); } }

/* Mapa */
.mapa { display: grid; gap: 18px; animation: entrar .4s ease; }
@keyframes entrar { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.bloque { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.bloque h3 { margin: 0 0 12px; font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--mint); }
.resumen { font: 500 18px/1.5 var(--serif); margin: 0; }
.habilidades { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 10px; }
.hab { padding: 12px; border-radius: 12px; background: var(--surface-2); }
.hab strong { display: block; font-size: 14.5px; }
.hab__meta { display: flex; gap: 6px; margin: 6px 0; }
.chip { font: 500 10.5px var(--mono); padding: 2px 7px; border-radius: 6px; background: var(--mint-3); color: var(--mint); }
.chip--n { background: transparent; border: 1px solid var(--line); color: var(--ink-2); }
.nivel { display: flex; gap: 3px; }
.nivel i { width: 14px; height: 4px; border-radius: 2px; background: var(--line); }
.nivel i.on { background: var(--mint); }
.hab p { margin: 4px 0 0; font-size: 13px; color: var(--ink-2); }
.lista { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.lista li { font-size: 14px; color: var(--ink-2); }
.lista strong { color: var(--ink); }
.flecha { color: var(--mint); padding: 0 4px; }
.ruta { padding: 14px; border-radius: 12px; background: var(--surface-2); }
.ruta + .ruta { margin-top: 10px; }
.ruta__head { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.ruta__head strong { font: 600 16px var(--serif); }
.ruta ol { margin: 10px 0 0; padding-left: 20px; font-size: 14px; color: var(--ink-2); }
.servicio { border-color: var(--mint-2); background: linear-gradient(150deg, rgb(140 245 154 / .1), var(--surface) 60%); }
.servicio h4 { font: 600 22px var(--serif); margin: 0 0 6px; }
.servicio p { margin: 0 0 12px; color: var(--ink-2); }
.precio { font: 600 20px var(--mono); color: var(--mint); }
.servicio dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 12px 0 0; font-size: 14px; }
.servicio dt { color: var(--ink-3); }
.servicio dd { margin: 0; }
.uso { font: 12px var(--mono); color: var(--ink-3); text-align: right; }

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; grid-template-rows: minmax(60vh, 1fr) auto; }
  .chat { border-right: 0; border-bottom: 1px solid var(--line); }
  .panel { padding: 18px; }
  .top { padding: 12px 16px; flex-wrap: wrap; }
  .mensajes, .aviso, .sugerencia, .entrada, .nota { margin-left: 12px; margin-right: 12px; }
  .mensajes { padding: 14px 12px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; } }