/* Base de interfaz web · Cristian Estrada · v1.0 (6 nov 2026)
   Fuente: «Interfaz web: base común» del sistema de diseño.
   Copiar la carpeta interfaz/base/ (con fuentes/) a la aplicación y enlazar este archivo
   junto con interfaz/autoria/autoria.css e interfaz/accesibilidad/. Funciona sin internet.
   El tema lo fija html[data-tema="claro|oscuro"] (menú de accesibilidad); sin él, sigue al sistema. */

@font-face { font-family: "Montserrat"; src: url(fuentes/montserrat-latin-700-normal.woff2) format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url(fuentes/montserrat-latin-800-normal.woff2) format("woff2"); font-weight: 800; font-display: swap; }
@font-face { font-family: "Open Sans"; src: url(fuentes/open-sans-latin-400-normal.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Open Sans"; src: url(fuentes/open-sans-latin-600-normal.woff2) format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Work Sans"; src: url(fuentes/work-sans-latin-400-normal.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Work Sans"; src: url(fuentes/work-sans-latin-500-normal.woff2) format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Work Sans"; src: url(fuentes/work-sans-latin-600-normal.woff2) format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Cascadia Mono"; src: url(fuentes/cascadia-mono-latin-400-normal.woff2) format("woff2"); font-weight: 400; font-display: swap; }
/* Dominio de la autoría: Cascadia Mono Medium 500 (interfaz/autoria) */
@font-face { font-family: "CE Autoria Cascadia Mono"; src: url(fuentes/autoria-cascadia-mono-500.woff2) format("woff2"); font-weight: 500; font-display: swap; }

/* ── Tokens ─────────────────────────────────────────────────────────────── */
:root {
  --teal: #027a76; --teal-deep: #014f4c; --orange: #ff9444; --orange-text: #b5530b;
  --surface: #fff; --tint: #f3f8f7; --line: #d9e3e1; --ink: #26302f; --muted: #66736f;
  --on-teal: #fff; --pulsado: #fff6ef; --pulsado-tarjeta: #fff9f4;
  --sombra: 0 3px 15px rgba(1, 79, 76, .05);
  --fuente-titulo: "Montserrat", "Segoe UI", Arial, sans-serif;
  --fuente-texto: "Work Sans", "Segoe UI", Arial, sans-serif;
  --fuente-ui: "Open Sans", "Segoe UI", Arial, sans-serif;
  --fuente-mono: "Cascadia Mono", Consolas, monospace;
  --ce-ancho: 1200px;
  color-scheme: light;
}
html[data-tema="oscuro"] {
  --teal: #26a69f; --teal-deep: #7fd3ce; --orange-text: #ffa766;
  --surface: #0f1716; --tint: #172221; --line: #2a3a38; --ink: #e4ecea; --muted: #9fb1ae;
  --on-teal: #0f1716; --pulsado: rgba(255, 148, 68, .12); --pulsado-tarjeta: rgba(255, 148, 68, .08);
  --sombra: 0 4px 18px rgba(0, 0, 0, .25);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  html:not([data-tema]) {
    --teal: #26a69f; --teal-deep: #7fd3ce; --orange-text: #ffa766;
    --surface: #0f1716; --tint: #172221; --line: #2a3a38; --ink: #e4ecea; --muted: #9fb1ae;
    --on-teal: #0f1716; --pulsado: rgba(255, 148, 68, .12); --pulsado-tarjeta: rgba(255, 148, 68, .08);
    --sombra: 0 4px 18px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}

/* ── Base ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--tint); color: var(--ink); font: 400 15px/1.55 var(--fuente-texto); }
h1, h2, h3 { font-family: var(--fuente-titulo); color: var(--teal); line-height: 1.25; }
h1 { font-weight: 800; } h2, h3 { font-weight: 700; }
a { color: var(--teal); }
.ce-mono { font-family: var(--fuente-mono); }
.ce-meta { color: var(--muted); font-size: 13px; }
.ce-cifra { font-variant-numeric: tabular-nums; }

/* Foco animado: nace a 4 px y se recoge a 2 px en 0,2 s */
@keyframes ce-foco { from { outline-width: 4px; outline-offset: 0; } }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 2px; border-radius: 4px; animation: ce-foco .2s ease-out; }
:focus:not(:focus-visible) { outline: none; }

/* ── Botones ────────────────────────────────────────────────────────────── */
.ce-boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 8px 18px;
  border: 1px solid transparent; border-radius: 999px; background: var(--teal); color: var(--on-teal);
  font: 600 14px/1.2 var(--fuente-ui); cursor: pointer; white-space: nowrap; text-decoration: none;
  transition: background .15s, transform .08s, box-shadow .15s, border-color .15s, color .15s;
}
.ce-boton:active:not(:disabled) { transform: scale(.97); background: #b5530b; color: #fff; box-shadow: 0 0 0 3px var(--orange); }
.ce-boton--sec { background: var(--surface); color: var(--teal); border-color: var(--line); min-height: 34px; padding: 5px 14px; font-size: 13px; }
.ce-boton--sec:active:not(:disabled) { background: var(--pulsado); color: var(--orange-text); border-color: var(--orange); box-shadow: none; }
.ce-boton:disabled { cursor: default; }
.ce-boton:not([aria-busy="true"]):disabled { opacity: .55; }
.ce-boton[aria-busy="true"] { cursor: progress; }

/* Anillo de carga pequeño (18 px): pista del color del texto al 35 %, arco orange */
.ce-anillo { width: 18px; height: 18px; flex: none; }
.ce-anillo .pista { stroke: currentColor; stroke-opacity: .35; }
.ce-anillo .giro { transform-origin: 50px 50px; animation: ce-giro 1.2s linear infinite; }
@keyframes ce-giro { to { transform: rotate(360deg); } }
/* Barra de carga al cambiar de pantalla */
.ce-barra-carga { position: fixed; inset: 0 0 auto; height: 3px; z-index: 1000; background: var(--orange); transform-origin: left; animation: ce-barra 1.2s ease-in-out infinite; }
@keyframes ce-barra { from { transform: scaleX(0); } to { transform: scaleX(1); opacity: .4; } }

/* ── Campos ─────────────────────────────────────────────────────────────── */
.ce-campo { display: flex; flex-direction: column; gap: 4px; font: 600 13px var(--fuente-ui); color: var(--muted); }
input, select, textarea { font: 400 14px var(--fuente-ui); color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; }
textarea { resize: vertical; min-height: 96px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--orange); outline-offset: 1px; border-color: #b5530b; animation: ce-foco .2s ease-out; }

/* ── Tarjetas, plegables y etiquetas ───────────────────────────────────── */
.ce-tarjeta { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px; box-shadow: var(--sombra); }
.ce-tarjeta-enlace { cursor: pointer; transition: border-color .15s, box-shadow .15s, transform .08s, background .15s; }
.ce-tarjeta-enlace:hover { border-color: var(--orange); box-shadow: 0 0 0 1px var(--orange), 0 4px 14px -8px rgba(181, 83, 11, .35); }
.ce-tarjeta-enlace:active { transform: scale(.99); background: var(--pulsado-tarjeta); }

details.ce-pliegue { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; margin-bottom: 12px; transition: border-color .15s, box-shadow .15s; }
details.ce-pliegue:hover { border-color: var(--orange); box-shadow: 0 0 0 1px var(--orange), 0 4px 14px -8px rgba(181, 83, 11, .35); }
details.ce-pliegue > summary { list-style: none; cursor: pointer; display: flex; align-items: center; flex-wrap: wrap; gap: 12px; padding: 14px 20px; border-radius: 16px; transition: background .15s, transform .08s; }
details.ce-pliegue > summary::-webkit-details-marker { display: none; }
details.ce-pliegue > summary:active { transform: scale(.99); background: var(--pulsado-tarjeta); }
details.ce-pliegue[open] > summary { border-bottom: 1px solid var(--line); border-radius: 16px 16px 0 0; }
details.ce-pliegue > summary .ce-flecha { margin-left: auto; width: 20px; height: 20px; color: var(--teal); transition: transform .2s; }
details.ce-pliegue[open] > summary .ce-flecha { transform: rotate(180deg); }
.ce-pliegue__cuerpo { padding: 16px 20px; }

.ce-chip { display: inline-block; padding: 2px 10px; border-radius: 999px; background: var(--tint); color: var(--teal-deep); font: 600 12px var(--fuente-ui); }
.ce-chip--alerta { background: var(--pulsado); color: var(--orange-text); }

/* ── Ventanas y avisos ─────────────────────────────────────────────────── */
dialog.ce-ventana { border: 1px solid var(--line); border-radius: 20px; padding: 24px; max-width: min(520px, 92vw); background: var(--surface); color: var(--ink); box-shadow: 0 24px 50px -20px rgba(1, 79, 76, .5); }
dialog.ce-ventana::backdrop { background: rgba(15, 23, 22, .45); }
dialog.ce-ventana h2 { margin-top: 0; }
.ce-ventana__botones { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.ce-aviso { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 1000; padding: 10px 18px; border-radius: 999px; background: var(--teal-deep); color: var(--surface); font: 600 14px var(--fuente-ui); box-shadow: var(--sombra); }
.ce-aviso[hidden] { display: none; }

/* ── Pie oficial (la autoría va con interfaz/autoria/autoria.css) ─────── */
.ce-pie { border-top: 1px solid #d9e3e1; }
html[data-tema="oscuro"] .ce-pie { border-top-color: var(--line); }
.ce-pie__dentro { max-width: var(--ce-ancho); margin: 0 auto; padding: 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.ce-pie__legal { margin: 0; font: 400 13px/1.5 var(--fuente-texto); color: #66736f; }
html[data-tema="oscuro"] .ce-pie__legal { color: rgba(255, 255, 255, .75); }
.ce-pie__legal button, .ce-pie__legal a { background: none; border: 0; padding: 0; font: inherit; color: inherit; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.ce-pie__legal button:hover, .ce-pie__legal button:focus-visible, .ce-pie__legal a:hover, .ce-pie__legal a:focus-visible { color: #b5530b; }
html[data-tema="oscuro"] .ce-pie__legal button:hover, html[data-tema="oscuro"] .ce-pie__legal a:hover { color: #ffa766; }
@media (min-width: 601px) { .ce-pie__legal { white-space: nowrap; } }
@media (max-width: 600px) { .ce-pie__dentro { flex-direction: column; text-align: center; gap: 8px; padding: 24px 16px; } }

/* ── Movimiento reducido ──────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .ce-boton:active, .ce-tarjeta-enlace:active, details.ce-pliegue > summary:active { transform: none !important; }
}