/* Mismo estilo que el corrector (javiercarrasco.es): blanco, Inter, títulos en
   Playfair Display, filas separadas por líneas finas, etiquetas en mayúsculas
   espaciadas y un único acento azul. El fondo, en lugar de engranajes, son
   blocs de notas. Las fuentes se sirven desde este servidor (fonts/). */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url("fonts/inter-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Playfair Display";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/playfair-display-latin.woff2") format("woff2");
}

:root {
  --bg: #ffffff;
  --surface: #fafaf8;
  --text: #1a1a1a;
  --muted: #6e6e6a;
  --line: #e0e0da;
  --accent: #2d6a9f;
  --accent-hover: #234f78;
  --ok: #2f7a4f;
  --ok-bg: #e9f3ec;
  --error-text: #a33a3a;
  --error-bg: #f8eaea;
  --f-display: "Playfair Display", Georgia, serif;
  --f-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --rail: 88px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --surface: #1c1c1a;
    --text: #ecece8;
    --muted: #9a9a94;
    --line: #2f2f2c;
    --accent: #78a9d6;
    --accent-hover: #9cc1e3;
    --ok: #6cc08e;
    --ok-bg: #1b2b21;
    --error-text: #e48a8a;
    --error-bg: #301c1c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--f-body);
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: 0.01em;
  background: var(--bg);
  color: var(--text);
}

/* Fondo: blocs de notas con relieve en las esquinas derechas (abajo y arriba),
   fijos al desplazarse. Los SVG son solo la máscara (el relieve va en su
   opacidad); el color sale de la paleta. Igual que los engranajes del
   corrector: mismos tamaños y posiciones. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-color: var(--muted);
  opacity: 0.09;
  -webkit-mask: url("notes.svg") no-repeat right -140px bottom -140px / 700px,
                url("notes-top.svg") no-repeat right -70px top -50px / 400px;
  mask: url("notes.svg") no-repeat right -140px bottom -140px / 700px,
        url("notes-top.svg") no-repeat right -70px top -50px / 400px;
}

a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* --- Marco: columna con el título vertical y contenido -------------------- */

.frame { display: flex; min-height: 100vh; }

/* La columna queda fija al desplazarse, con el título siempre centrado. */
.rail {
  flex: none;
  position: sticky;
  top: 0;
  align-self: flex-start;
  height: 100vh;
  width: var(--rail);
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--line);
  padding: 2rem 0;
}
.rail .wordmark {
  transform: rotate(180deg);
  writing-mode: vertical-rl;
  font-family: var(--f-display);
  /* El título es largo: se encoge en pantallas bajas para no cortarse. */
  font-size: min(28px, 3.1vh);
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}
.rail .wordmark:hover { color: var(--text); }
.punto { color: var(--accent); }

.content { flex: 1; min-width: 0; display: flex; flex-direction: column; }
main { flex: 1; }

.tagline {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 4rem 0;
}
.logout { display: flex; align-items: center; gap: 16px; margin: 0; }
.who, .btn-link {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.who { color: var(--muted); font-variant-numeric: tabular-nums; }
.btn-link {
  background: none;
  border: 0;
  padding: 0;
  color: var(--text);
  font-family: inherit;
  cursor: pointer;
}
.btn-link:hover { color: var(--accent); }

.panel {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 4rem 4rem;
}

/* --- Tipografía -------------------------------------------------------------- */

h1 {
  margin: 0 0 6px;
  font-family: var(--f-display);
  font-size: 34px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.01em;
}
.lead { margin: 0 0 2.5rem; color: var(--muted); }

.crumbs {
  margin-bottom: 1.5rem;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }

.block-title {
  margin: 2.5rem 0 0.75rem;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.hint { color: var(--muted); font-size: 13px; margin: 8px 0; }

/* --- Acceso ------------------------------------------------------------------- */

.login-page main { display: grid; place-items: center; padding: 3rem 1.5rem; }
.card { width: 100%; max-width: 360px; }
.card .tagline { margin: 0 0 1.5rem; }
.card h1 { margin-bottom: 2rem; }

label { display: block; font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); }
form label { margin: 1.5rem 0 6px; }

form input[type="text"],
form input[type="password"] {
  width: 100%;
  padding: 8px 0;
  font: inherit;
  font-size: 16px;
  color: var(--text);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}
form input[type="text"]:focus,
form input[type="password"]:focus { outline: none; border-bottom-color: var(--accent); }

/* Campo del NIA: cifras espaciadas y botón «Ver» sobre la misma línea. */
.nia-field { display: flex; align-items: center; gap: 12px; border-bottom: 1px solid var(--line); }
.nia-field:focus-within { border-bottom-color: var(--accent); }
form .nia-field input[type="password"],
form .nia-field input[type="text"] {
  flex: 1;
  min-width: 0;
  border-bottom: 0;
  font-size: 20px;
  letter-spacing: 0.3em;
  font-variant-numeric: tabular-nums;
}

.btn {
  display: block;
  width: 100%;
  margin-top: 2rem;
  padding: 13px 22px;
  font-family: inherit;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--text);
  border: 1px solid var(--text);
  border-radius: 0;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.btn:hover { color: #fff; background: var(--accent); border-color: var(--accent); }
.btn-inline { display: inline-block; width: auto; text-decoration: none; text-align: center; }

.error, .notice {
  margin: 0 0 1rem;
  padding: 10px 0 10px 14px;
  font-size: 14px;
}
.error { border-left: 2px solid var(--error-text); color: var(--error-text); }
.notice { border-left: 2px solid var(--ok); color: var(--ok); }

/* --- Lista de opciones (HUB) --------------------------------------------------- */

.tiles { list-style: none; margin: 0; padding: 0; }
.tiles li { border-top: 1px solid var(--line); }
.tiles li:last-child { border-bottom: 1px solid var(--line); }

.tile {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  column-gap: 16px;
  padding: 1.15rem 0;
  color: var(--text);
  text-decoration: none;
  transition: color 0.15s, padding-left 0.15s;
}
.tile-title { font-size: 16px; line-height: 1.3; }
.tile-desc { grid-column: 1; margin-top: 2px; font-size: 13px; color: var(--muted); }
.tile-meta {
  grid-column: 1;
  margin-top: 6px;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}
.tile-arrow {
  color: var(--accent);
  font-size: 18px;
  line-height: 1;
  opacity: 0;
  transition: opacity 0.15s, transform 0.15s;
}
.tile .tile-arrow, .tile .badge { grid-column: 2; grid-row: 1 / span 3; align-self: center; }
a.tile:hover, a.tile:focus-visible { color: var(--accent); padding-left: 8px; }
a.tile:hover .tile-arrow, a.tile:focus-visible .tile-arrow { opacity: 1; transform: translateX(4px); }

.badge {
  padding: 3px 8px;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--line);
  white-space: nowrap;
}
.badge-accent { color: var(--accent); border-color: var(--accent); background: transparent; }

/* --- Pantallas pequeñas ------------------------------------------------------- */

@media (max-width: 700px) {
  :root { --rail: 52px; }
  body::before { -webkit-mask-size: 420px, 240px; mask-size: 420px, 240px; -webkit-mask-position: right -90px bottom -90px, right -50px top -40px; mask-position: right -90px bottom -90px, right -50px top -40px; }
  .rail .wordmark { font-size: min(15px, 2.4vh); }
  .topbar { padding: 1.25rem 1rem 0; }
  .topbar .tagline { display: none; }
  .panel { padding: 2rem 1rem 3rem; }
  h1 { font-size: 28px; }
}