/* Base, navegación, botones y elementos compartidos */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  color: var(--tinta);
  background-color: var(--pergamino);
  background-image: url('../assets/backgrounds/parchment.svg'),
    radial-gradient(ellipse at 50% 0%, var(--pergamino-claro) 0%, transparent 60%);
  font: 400 var(--t-md)/1.55 var(--f-texto);
  padding-bottom: calc(var(--tab-alto) + env(safe-area-inset-bottom));
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 800; line-height: 1.15; margin: 0 0 var(--s-3); text-wrap: balance; }
p { margin: 0 0 var(--s-3); }
a { color: var(--lapislazuli); }
:focus-visible { outline: none; box-shadow: var(--foco); border-radius: 8px; }
[tabindex="-1"]:focus { box-shadow: none; }

.skip-link { position: absolute; left: -999px; top: 8px; z-index: 50; background: var(--lapislazuli); color: #fff; padding: 8px 14px; border-radius: 8px; }
.skip-link:focus { left: 8px; }
.loading { text-align: center; padding: var(--s-7) var(--gutter); font-family: var(--f-display); font-size: var(--t-lg); color: var(--tinta-suave); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

main { display: block; outline: none; }
.wrap { width: min(100% - 2 * var(--gutter), var(--ancho)); margin-inline: auto; }

/* ---------- HUD ---------- */
.hud {
  position: sticky; top: 0; z-index: 20;
  height: var(--hud-alto);
  background: color-mix(in srgb, var(--pergamino-claro) 92%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid color-mix(in srgb, var(--oro) 45%, transparent);
}
.hud__inner { height: 100%; display: flex; align-items: center; gap: var(--s-4); }
.hud__brand { display: flex; align-items: center; gap: var(--s-2); text-decoration: none; color: var(--tinta); font-family: var(--f-display); font-weight: 800; font-size: var(--t-lg); white-space: nowrap; }
.hud__seal { width: 36px; height: 36px; border-radius: 50%; background: var(--lapislazuli); color: var(--oro-claro); display: grid; place-items: center; box-shadow: 0 0 0 2px var(--oro); flex: none; }
.hud__progress { flex: 1; min-width: 0; display: flex; align-items: center; gap: var(--s-2); }
.hud__stats { display: flex; align-items: center; gap: var(--s-3); margin-left: auto; }
.stat { display: inline-flex; align-items: center; gap: 4px; font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.stat--points { color: #8A6418; }
.stat--points .icon { color: var(--oro); }
.stat--streak .icon { color: var(--terracota); }
.stat--streak.is-cold { color: var(--tinta-suave); }
.stat--streak.is-cold .icon { color: var(--pergamino-oscuro); }
.hearts { display: inline-flex; gap: 1px; color: var(--granada); }
.hearts .is-empty { color: color-mix(in srgb, var(--granada) 35%, transparent); }
.stat.is-bump { animation: bump .5s ease; }
@keyframes bump { 40% { transform: scale(1.25); } }

.nav-links { display: none; gap: var(--s-1); }
.nav-links a { white-space: nowrap; text-decoration: none; color: var(--tinta-suave); font-weight: 700; padding: 6px 12px; border-radius: var(--r-boton); }
.nav-links .nav--portal { display: inline-flex; align-items: center; gap: 2px; margin-left: var(--s-2); color: var(--lapislazuli); box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--lapislazuli) 35%, transparent); }
.nav-links .nav--portal:hover { background: color-mix(in srgb, var(--lapislazuli) 10%, transparent); }
.nav-links a[aria-current="page"] { color: var(--lapislazuli); background: color-mix(in srgb, var(--lapislazuli) 10%, transparent); }

/* Barra de progreso */
.bar { position: relative; height: 12px; border-radius: 99px; background: var(--pergamino-oscuro); box-shadow: inset 0 1px 2px rgba(59, 42, 30, .25); overflow: hidden; flex: 1; min-width: 60px; }
.bar__fill { position: absolute; inset: 0 auto 0 0; background: linear-gradient(90deg, var(--oro), var(--oro-claro)); border-radius: inherit; transition: width .6s ease; }
.bar--cat .bar__fill { background: var(--cat); }
.bar-label { font-size: var(--t-sm); font-weight: 700; color: var(--tinta-suave); white-space: nowrap; font-variant-numeric: tabular-nums; }

/* ---------- Barra de pestañas (móvil) ---------- */
.tabbar {
  position: fixed; inset: auto 0 0 0; z-index: 20;
  height: calc(var(--tab-alto) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--pergamino-claro);
  border-top: 1px solid color-mix(in srgb, var(--oro) 45%, transparent);
}
.tabbar { grid-template-columns: repeat(5, 1fr); }
.tabbar a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; text-decoration: none; color: var(--tinta-suave); font-size: var(--t-xs); font-weight: 700; }
.tabbar a[aria-current="page"] { color: var(--lapislazuli); }
.tabbar a[aria-current="page"] .icon { transform: translateY(-1px); }

@media (min-width: 1180px) {
  body { padding-bottom: 0; }
  .tabbar { display: none; }
  .nav-links { display: flex; }
  .hud__progress { max-width: 260px; }
}
@media (max-width: 899px) {
  .hud__brand-text { display: none; }
}
@media (max-width: 420px) {
  .hud__progress .bar-label { display: none; }
  .hud__stats { gap: var(--s-2); }
  .hearts .icon { width: 17px; height: 17px; }
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  min-height: 48px; padding: 10px 22px;
  border: 0; border-radius: var(--r-boton);
  font-family: var(--f-texto); font-weight: 700; font-size: var(--t-md);
  text-decoration: none; cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, background-color .2s;
}
.btn:active { transform: translateY(2px); }
.btn--primary { background: var(--lapislazuli); color: #FFF8EA; box-shadow: var(--sombra-boton); }
.btn--primary:hover { background: #34588f; }
.btn--primary:active { box-shadow: 0 1px 0 var(--lapislazuli-oscuro); }
.btn--secondary { background: var(--pergamino-claro); color: var(--lapislazuli); box-shadow: inset 0 0 0 2px var(--lapislazuli); }
.btn--secondary:hover { background: #fff8ea; }
.btn--ghost { background: transparent; color: var(--tinta-suave); padding-inline: 12px; }
.btn--ghost:hover { color: var(--tinta); }
.btn--big { min-height: 56px; font-size: var(--t-lg); padding-inline: 28px; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: default; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: center; }

/* ---------- Toasts ---------- */
.toasts { position: fixed; z-index: 40; left: 50%; transform: translateX(-50%); top: calc(var(--hud-alto) + 10px); display: grid; gap: 8px; width: min(92vw, 380px); pointer-events: none; }
.toast { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 12px; background: var(--tinta); color: var(--pergamino-claro); font-weight: 700; box-shadow: 0 10px 24px -10px rgba(0, 0, 0, .5); animation: toast-in .35s ease both; }
.toast .icon { color: var(--oro-claro); flex: none; }
.toast.is-leaving { animation: toast-out .3s ease both; }
@keyframes toast-in { from { opacity: 0; transform: translateY(-8px); } }
@keyframes toast-out { to { opacity: 0; transform: translateY(-8px); } }

/* ---------- Modal ---------- */
.modal { border: 0; padding: 0; background: transparent; max-width: min(94vw, 560px); width: 100%; max-height: 90dvh; color: var(--tinta); }
.modal::backdrop { background: rgba(31, 22, 15, .55); backdrop-filter: blur(2px); }
.modal__box { position: relative; background: var(--pergamino-claro); border-radius: var(--r-panel); padding: var(--s-6) var(--s-5) var(--s-5); box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .6); border: 2px solid var(--oro); max-height: 90dvh; overflow: auto; }
.modal__close { position: absolute; top: 8px; right: 8px; }
.modal[open] .modal__box { animation: modal-in .3s cubic-bezier(.2, .9, .3, 1.2) both; }
.modal[open] .modal__box[data-static] { animation: none; }
@keyframes modal-in { from { opacity: 0; transform: translateY(16px) scale(.97); } }

/* ---------- Insignia (medallón) ---------- */
.medal { --size: 88px; position: relative; width: var(--size); height: var(--size); border-radius: 50%; display: grid; place-items: center; flex: none;
  background: radial-gradient(circle at 35% 30%, color-mix(in srgb, var(--cat) 75%, white) 0%, var(--cat) 60%, color-mix(in srgb, var(--cat) 70%, black) 100%);
  color: var(--cat-tinta);
  box-shadow: 0 0 0 4px var(--oro-claro), 0 0 0 6px var(--oro), 0 10px 18px -8px rgba(59, 42, 30, .6);
}
.medal .icon { width: 46%; height: 46%; }
.medal.is-locked { background: var(--pergamino-oscuro); color: color-mix(in srgb, var(--tinta) 35%, transparent); box-shadow: 0 0 0 3px var(--pergamino-oscuro), 0 0 0 5px color-mix(in srgb, var(--tinta) 18%, transparent); }
.medal--sm { --size: 52px; }
.medal--lg { --size: 128px; }

.tag { display: inline-flex; align-items: center; gap: 6px; font-size: var(--t-sm); font-weight: 700; color: var(--tinta-suave); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ---------- Idioma ---------- */
.lang-btn { display: inline-flex; align-items: center; gap: 4px; min-height: 36px; padding: 4px 10px; border: 0; border-radius: var(--r-boton); background: color-mix(in srgb, var(--lapislazuli) 10%, transparent); color: var(--lapislazuli); font-weight: 700; font-size: var(--t-sm); cursor: pointer; }
.lang-btn:hover { background: color-mix(in srgb, var(--lapislazuli) 18%, transparent); }
@media (max-width: 420px) { .lang-btn { padding: 4px 6px; } .lang-btn span { display: none; } }
.lang-picker { text-align: center; }
.lang-picker__seal { width: 52px; height: 52px; margin: 0 auto var(--s-3); }
.lang-picker h2 { font-size: var(--t-xl); }
.lang-list { list-style: none; padding: 0; margin: var(--s-4) 0; display: grid; gap: var(--s-2); text-align: left; }
.lang-option { width: 100%; text-align: left; display: grid; grid-template-columns: 44px 1fr auto 24px; align-items: center; gap: var(--s-3); min-height: 54px; padding: 8px 14px; border-radius: 14px; border: 2px solid color-mix(in srgb, var(--tinta) 15%, transparent); background: #FFFBF1; cursor: pointer; font-size: var(--t-md); }
.lang-option:hover { border-color: var(--lapislazuli); }
.lang-option.is-selected { border-color: var(--lapislazuli); background: color-mix(in srgb, var(--lapislazuli) 9%, #FFFBF1); }
.lang-option__code { width: 40px; height: 32px; border-radius: 8px; display: grid; place-items: center; background: var(--pergamino); font-family: var(--f-titulo); font-weight: 800; color: var(--lapislazuli); }
.lang-option.is-selected .lang-option__code { background: var(--lapislazuli); color: #FFF8EA; }
.lang-option__name { font-family: var(--f-display); font-weight: 700; font-size: var(--t-lg); }
.lang-option__hint { font-size: var(--t-xs); font-weight: 700; color: var(--tinta-suave); background: var(--pergamino); padding: 2px 8px; border-radius: 99px; }
.lang-option__check { color: var(--lapislazuli); }
.lang-picker__note { font-size: var(--t-sm); color: var(--tinta-suave); }