/* claude.ai-faithful styling (approximation) */
:root {
  --bg:            #F7F5EE;   /* +2 L*: sube contraste con texto negro sin perder el cream cálido */
  --surface:       #FFFFFF;   /* blanco puro: separa del nuevo fondo más claro */
  --user-bubble:   #FFFFFF;
  --border:        #E1DCCE;
  --border-strong: #CFC7B3;
  --text:          #23201D;
  --text-soft:     #524C40;   /* 7.8:1 sobre el nuevo fondo → AAA, legible a distancia */
  --coral:         #CC785C;
  --coral-dark:    #A84A28;   /* cierra AA en links sobre el fondo claro */
  --th-bg:         #EFEADD;
  --row-odd:       #FFFFFF;
  --row-even:      #F1ECDE;
  --cell-line:     #E6E0D1;
  --code-bg:       #F0ECDF;
  --p-financiera:  #5B7FB8;
  --p-cliente:     #7A9A5B;
  --p-procesos:    #C8A54B;
  --p-aprendizaje: #B8552F;
  --radius:        16px;
  --radius-table:  12px;
  --col:           46rem;     /* prosa / diálogo (ancho de línea de lectura) */
  --col-thread:    54rem;     /* T3 · contenedor del hilo (diálogo contenido) */
  --col-wide:      68rem;     /* breakout: tablas + mermaid + entregable */
  --sans:  "Inter", ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: "Source Serif 4", "Tiempos Text", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: linear-gradient(180deg, #F8F6EF 0%, #F4F2EA 100%) fixed; /* cream sutil, no viaja con el scroll */
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--coral-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

/* separación de tarjetas/cajas sobre el fondo claro (reemplaza el ΔL de color que había antes) */
.card, .prompt-box { box-shadow: 0 1px 2px rgba(120, 90, 60, .05); }

/* ---- Top bar ---- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: .6rem;
  padding: .75rem 1.25rem;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar .mark { display: inline-flex; }
.topbar .brand { font-weight: 600; letter-spacing: -0.01em; }
.topbar .spacer { flex: 1; }
.topbar a.back { color: var(--text-soft); font-size: .9rem; }

/* ---- Landing ---- */
.wrap { max-width: var(--col); margin: 0 auto; padding: 2.5rem 1.25rem 5rem; }
.hero { text-align: center; margin: 2rem 0 2.75rem; }
.hero .star { margin-bottom: 1rem; }
.hero h1 { font-family: var(--serif); font-weight: 600; font-size: 2.35rem; margin: 0 0 .25rem; letter-spacing: -0.01em; }
.hero .hero-tagline { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: 1.2rem; color: var(--coral-dark); margin: 0 auto .9rem; max-width: 34rem; }
.hero .hero-desc { color: var(--text-soft); margin: 0 auto; max-width: 34rem; }

.cards { display: grid; gap: 1rem; }
.card {
  display: block; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.15rem 1.35rem; color: var(--text);
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.card:hover { text-decoration: none; border-color: var(--coral); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(120,90,60,.08); }
.card-title { font-weight: 600; margin-bottom: .3rem; letter-spacing: -0.01em; }
.card-sub { color: var(--text-soft); font-size: .92rem; }
.card-cta { display: inline-block; margin-top: .7rem; color: var(--coral-dark); font-size: .9rem; font-weight: 500; }

/* ---- Frameworks (landing por categoría) ---- */
.framework { margin: 0 0 3rem; }
.fw-head { border-bottom: 2px solid var(--border-strong); padding-bottom: .6rem; margin-bottom: 1.1rem; }
.fw-name { font-family: var(--serif); font-weight: 600; font-size: 1.5rem; letter-spacing: -0.02em; margin: 0 0 .25rem; }
.fw-blurb { color: var(--text-soft); font-size: .95rem; margin: 0; max-width: 42rem; }

/* prompt box */
.prompt-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.25rem; margin-bottom: 1.25rem; }
.prompt-box-top { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; justify-content: space-between; }
.prompt-box-copy { display: flex; flex-direction: column; gap: .15rem; min-width: 15rem; flex: 1; }
.prompt-box-copy strong { font-weight: 650; }
.prompt-box-copy span { color: var(--text-soft); font-size: .9rem; }
.prompt-box-actions { display: flex; gap: .5rem; flex-shrink: 0; }

.btn-copy, .btn-toggle, .btn-doc {
  font: inherit; font-size: .9rem; font-weight: 550; cursor: pointer;
  padding: .5rem .95rem; border-radius: 9px; border: 1px solid var(--border-strong);
  transition: background .15s, border-color .15s, transform .1s;
  display: inline-flex; align-items: center; white-space: nowrap;
}
.btn-copy { background: var(--coral); color: #fff; border-color: var(--coral); }
.btn-copy:hover { background: var(--coral-dark); border-color: var(--coral-dark); }
.btn-copy:active { transform: translateY(1px); }
.btn-toggle, .btn-doc { background: transparent; color: var(--text); text-decoration: none; }
.btn-toggle:hover, .btn-doc:hover { border-color: var(--coral); color: var(--coral-dark); text-decoration: none; }

/* triada Teoría · Probá · Ejemplos */
.fw-step { margin: 0 0 1.4rem; }
.fw-eyebrow { display: flex; align-items: center; gap: .5rem; margin: 0 0 .55rem; font-size: .74rem; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; color: var(--text-soft); }
.fw-num { display: grid; place-items: center; width: 1.35rem; height: 1.35rem; border-radius: 50%; background: var(--coral); color: #fff; font-size: .74rem; font-weight: 700; }
.theory-box .prompt-box-copy strong { font-weight: 650; }
.theory-detail { max-height: 26rem; overflow: auto; }
.theory-detail h1, .theory-detail h2, .theory-detail h3 { font-size: 1.05rem; margin: 1em 0 .4em; }
.theory-detail h1 { font-size: 1.15rem; }
.theory-detail p, .theory-detail li { font-size: .92rem; }

/* página lectora de teoría (doc.html) */
.doc-eyebrow { display: inline-block; font-size: .74rem; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; color: var(--coral-dark); margin-bottom: .35rem; }
.doc-body { max-width: var(--col); margin: 0 auto; padding: .5rem 1.25rem 5rem; }

.prompt-detail { margin-top: 1rem; border-top: 1px dashed var(--border); padding-top: 1rem; }
.prompt-steps { margin: 0 0 .9rem; padding-left: 1.25rem; color: var(--text); font-size: .92rem; }
.prompt-steps li { margin: .25rem 0; }
.prompt-text {
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 1rem; max-height: 22rem; overflow: auto;
  font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: .8rem; line-height: 1.55;
  white-space: pre-wrap; word-break: break-word; color: var(--text);
}

/* toast */
#toast {
  position: fixed; left: 50%; bottom: 1.5rem; transform: translate(-50%, 2rem);
  background: #23201D; color: #F5F4EE; padding: .7rem 1.1rem; border-radius: 10px;
  font-size: .9rem; font-weight: 500; box-shadow: 0 8px 24px rgba(0,0,0,.18);
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 50;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast.err { background: var(--coral-dark); }

@media (max-width: 560px) {
  .prompt-box-actions { width: 100%; }
  .btn-copy, .btn-toggle { flex: 1; }
}

/* ---- Conversation ---- */
/* A1 · doble ancho: cabecera y hilo usan el ancho amplio, la prosa se limita */
.conv-head { max-width: var(--col-thread); margin: 1.5rem auto .5rem; padding: 0 1.25rem; }
.conv-head h1 { font-family: var(--serif); font-weight: 500; font-size: 1.5rem; letter-spacing: -0.02em; margin: 0 0 .4rem; max-width: var(--col); }
.conv-head .meta { color: var(--text-soft); font-size: .88rem; max-width: var(--col); }
.conv-head .meta p { margin: .15rem 0; }
.conv-head .meta strong { color: var(--text); font-weight: 600; }

/* T3 · el hilo se contiene a ~54rem para un ritmo íntimo tipo claude.ai;
   los elementos anchos (tablas/mermaid) rompen a --col-wide vía media query. */
.thread { max-width: var(--col-thread); margin: 0 auto; padding: 1rem 1.25rem 4rem; }

.turn { display: flex; margin: 1.5rem 0; }
.turn.user { justify-content: flex-end; }
.turn.user .bubble {
  background: var(--user-bubble); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .7rem 1.05rem;
  max-width: var(--col);
}
.turn.assistant { gap: .85rem; align-items: flex-start; }
.turn.assistant .avatar {
  flex: 0 0 auto; width: 30px; height: 30px; border-radius: 7px;
  background: #fff; border: 1px solid var(--border);
  display: grid; place-items: center; margin-top: 2px;
}
.turn.assistant .bubble { flex: 1; min-width: 0; max-width: var(--col); }

/* ---- Markdown rendering ---- */
.markdown > *:first-child { margin-top: 0; }
.markdown > *:last-child { margin-bottom: 0; }
.markdown h1, .markdown h2, .markdown h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; margin: 1.4em 0 .5em; }
.markdown h1 { font-size: 1.4rem; } .markdown h2 { font-size: 1.2rem; } .markdown h3 { font-size: 1.05rem; }
.markdown p { margin: .7em 0; }
.markdown ul, .markdown ol { margin: .6em 0; padding-left: 1.4em; }
.markdown li { margin: .3em 0; }
.markdown strong { font-weight: 650; }

/* A1 · la prosa del diálogo no supera ~46rem y queda alineada a la izquierda */
.markdown > p,
.markdown > ul,
.markdown > ol,
.markdown > h1,
.markdown > h2,
.markdown > h3,
.markdown > blockquote { max-width: var(--col); }

.markdown blockquote {
  margin: .8em 0; padding: .4em 1em; border-left: 3px solid var(--coral);
  background: color-mix(in srgb, var(--coral) 7%, transparent); border-radius: 0 8px 8px 0;
  color: var(--text-soft);
}
.markdown code { background: var(--code-bg); padding: .12em .35em; border-radius: 5px; font-size: .88em; font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.markdown pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px; padding: 1rem; overflow-x: auto; max-width: var(--col); }
.markdown pre code { background: none; padding: 0; font-size: .82rem; line-height: 1.5; }

/* B2 · mermaid tematizado, marco redondeado ancho */
.markdown pre.mermaid {
  background: var(--surface); text-align: center;
  border: 1px solid var(--border); border-radius: 14px; padding: 1.5rem;
  max-width: none;
}

/* T2 · trazos mermaid legibles a distancia (proyector). mermaid v11: aristas en
   .edgePaths .path / .flowchart-link, flechas en marker path / .arrowheadPath,
   bordes de nodo en .node rect|polygon y de cluster en .cluster rect. Paleta clay. */
.markdown pre.mermaid svg .edgePaths path,
.markdown pre.mermaid svg .edgePath path,
.markdown pre.mermaid svg .flowchart-link {
  stroke: #6B6455 !important; stroke-width: 1.75px !important;
}
.markdown pre.mermaid svg .arrowheadPath,
.markdown pre.mermaid svg marker path {
  fill: #6B6455 !important; stroke: #6B6455 !important;
}
.markdown pre.mermaid svg .node rect,
.markdown pre.mermaid svg .node polygon,
.markdown pre.mermaid svg .node circle,
.markdown pre.mermaid svg .cluster rect {
  stroke: #B0A68D !important; stroke-width: 1.5px !important;
}

/* A2 · tabla como hero visual: marco redondeado, header fuerte, zebra evidente */
.markdown .table-wrap {
  margin: 1.2em 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-table);
  overflow: hidden;      /* redondea las esquinas */
  overflow-x: auto;      /* scroll horizontal si una tabla excede el ancho */
  max-width: none;
}
.markdown table {
  border-collapse: collapse;
  width: 100%;
  max-width: none;
  margin: 0;
  font-size: .95rem;
}
.markdown th, .markdown td {
  border: none;
  border-bottom: 1px solid var(--cell-line);
  padding: .6em .85em;
  line-height: 1.5;
  text-align: left;
  vertical-align: top;
}
.markdown td { font-variant-numeric: tabular-nums; }
.markdown thead th {
  background: var(--th-bg);
  color: #1F1B16;
  font-weight: 650;
  border-bottom: 2px solid var(--border-strong);
}
.markdown tbody tr:nth-child(odd) td  { background: var(--row-odd); }
.markdown tbody tr:nth-child(even) td { background: var(--row-even); }
.markdown tbody tr:last-child td { border-bottom: none; }

/* A5 · chips de color y marcadores en lugar de emojis de OS */
.persp-chip { display: inline-block; width: .7em; height: .7em; border-radius: 3px; margin-right: .5em; vertical-align: baseline; }
.obj-star { color: var(--coral); font-weight: 700; margin-right: .2em; }
.mini-dot { display: inline-block; width: .55em; height: .55em; border-radius: 50%; margin: 0 .12em; vertical-align: baseline; }
.mini-dot.validar  { background: var(--p-aprendizaje); }
.mini-dot.clientes { background: var(--p-financiera); }
.warn-mark { color: var(--p-procesos); font-weight: 700; margin-right: .25em; }
.warn-mark.down { color: var(--coral-dark); font-size: .85em; }

/* ---- Debrief footer ---- */
.debrief {
  max-width: var(--col); margin: 1rem auto 4rem; padding: 1.5rem;
  background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius);
}
.debrief .tag { display: inline-block; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-soft); margin-bottom: .3rem; }

/* T3 · breakout de elementos anchos: tablas y mermaid escapan la columna de 46rem
   del assistant y se centran a --col-wide (68rem). Solo cuando hay viewport de sobra
   (≥1200px) para que el margin-inline negativo NUNCA genere scroll horizontal del body.
   Bajo ese umbral, ambos rellenan la burbuja y hacen scroll interno (overflow-x). */
@media (min-width: 1200px) {
  .turn.assistant .markdown .table-wrap,
  .turn.assistant .markdown pre.mermaid {
    width: var(--col-wide);
    max-width: var(--col-wide);
    margin-inline: calc((100% - var(--col-wide)) / 2);
  }
}

/* A3 · escala en pantalla grande (proyector) */
@media (min-width: 1500px) {
  :root { font-size: 17px; }
  .markdown table { font-size: 1rem; }
}

@media (max-width: 640px) {
  .turn.user .bubble { max-width: 92%; }
  .hero h1 { font-size: 1.6rem; }
}