/* ============================================================
   ORÁCULO DE PISTAS — sistema visual
   Mitología griega · escape room · móvil primero
   Tipos: Cinzel (display romano) + EB Garamond (cuerpo serif)
   ============================================================ */

:root {
  /* --- oro (acento, hue ajustable por Tweaks) --- */
  --gold-hue: 82;
  --gold:        oklch(0.74 0.105 var(--gold-hue));
  --gold-bright: oklch(0.84 0.115 var(--gold-hue));
  --gold-deep:   oklch(0.55 0.085 var(--gold-hue));
  --gold-ink:    oklch(0.40 0.06  var(--gold-hue));

  /* --- pergamino --- */
  --parch:       oklch(0.92 0.035 86);
  --parch-deep:  oklch(0.86 0.045 84);
  --parch-edge:  oklch(0.72 0.05  72);
  --ink:         oklch(0.34 0.035 60);
  --ink-soft:    oklch(0.46 0.03  62);

  /* --- piedra (fondo oscuro por defecto) --- */
  --stone-0:  oklch(0.17 0.012 70);
  --stone-1:  oklch(0.22 0.016 68);
  --stone-2:  oklch(0.27 0.018 66);
  --stone-line: oklch(0.34 0.02 66);
  --cream:    oklch(0.90 0.03 84);
  --cream-soft: oklch(0.74 0.025 78);

  /* superficies derivadas del tema */
  --bg:        var(--stone-0);
  --panel:     var(--stone-1);
  --panel-2:   var(--stone-2);
  --hairline:  var(--stone-line);
  --fg:        var(--cream);
  --fg-soft:   var(--cream-soft);

  --r-lg: 18px;
  --r-md: 12px;
  --shadow-deep: 0 24px 60px -20px rgba(0,0,0,0.7), 0 8px 24px -12px rgba(0,0,0,0.6);

  --serif: "EB Garamond", "Iowan Old Style", Palatino, Georgia, serif;
  --display: "Cinzel", "Trajan Pro", "EB Garamond", Georgia, serif;
}

/* tema claro (pergamino) — activable por Tweaks */
:root[data-tema="pergamino"] {
  --bg:       oklch(0.90 0.03 84);
  --panel:    oklch(0.95 0.025 86);
  --panel-2:  oklch(0.88 0.035 82);
  --hairline: oklch(0.78 0.04 76);
  --fg:       oklch(0.34 0.04 58);
  --fg-soft:  oklch(0.46 0.035 60);
}

* { box-sizing: border-box; }

html, body { margin: 0; height: 100%; }

body {
  font-family: var(--serif);
  /* escenario: piedra a oscuras con halo de antorcha */
  background:
    radial-gradient(120% 80% at 50% -10%, oklch(0.26 0.03 78 / 0.55), transparent 60%),
    radial-gradient(100% 60% at 50% 120%, oklch(0.12 0.02 60), transparent 70%),
    oklch(0.11 0.014 64);
  min-height: 100%;
  display: flex;
  justify-content: center;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  color: var(--fg);
}

#root { width: 100%; display: flex; justify-content: center; }

/* ============================================================
   Marco de la app (columna móvil)
   ============================================================ */
.app {
  width: 100%;
  max-width: 460px;
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(140% 50% at 50% 0%, oklch(0.30 0.03 80 / 0.5), transparent 55%),
    linear-gradient(180deg, var(--panel) 0%, var(--bg) 38%, var(--bg) 100%);
  box-shadow: var(--shadow-deep);
  overflow: hidden;
}
:root[data-tema="pergamino"] .app {
  background:
    radial-gradient(140% 50% at 50% 0%, oklch(0.97 0.02 88 / 0.7), transparent 55%),
    linear-gradient(180deg, var(--panel) 0%, var(--bg) 60%);
}

/* textura sutil de grano sobre toda la app */
.app::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.04;
  mix-blend-mode: overlay;
}

/* ============================================================
   Meandro griego (greca) — divisor ornamental
   ============================================================ */
.meander {
  height: 12px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='12' viewBox='0 0 48 12'%3E%3Cpath d='M1 11 V4 H8 V8 H4 V1 H14 V11 M14 11 V4 H21 V8 H17 V1 H27 V11 M27 11 V4 H34 V8 H30 V1 H40 V11 M40 11 V4 H47 V8 H43 V1 H53' fill='none' stroke='%23c9a24b' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-position: center;
  opacity: 0.8;
}
.meander.dim { opacity: 0.4; }

/* ============================================================
   Cabecera + buscador
   ============================================================ */
.topbar {
  position: sticky; top: 0; z-index: 30;
  padding: 18px 20px 34px;
  background: linear-gradient(180deg, var(--panel) 78%, transparent);
  backdrop-filter: blur(2px);
}
:root[data-tema="pergamino"] .topbar {
  background: linear-gradient(180deg, var(--panel) 72%, transparent);
}

.brand {
  display: flex; flex-direction: column; align-items: center;
  gap: 5px; margin-bottom: 18px;
}
.brand h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 27px;
  letter-spacing: 0.22em;
  margin: 0;
  color: var(--gold-bright);
  text-shadow: 0 1px 0 oklch(0 0 0 / 0.4), 0 0 24px oklch(0.78 0.1 82 / 0.25);
  padding-left: 0.22em; /* compensa tracking */
}
:root[data-tema="pergamino"] .brand h1 { color: var(--gold-deep); text-shadow: none; }
.brand .sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--fg-soft);
}

/* buscador */
.search {
  display: flex; align-items: stretch; gap: 8px;
}
.search .field {
  flex: 1; position: relative; display: flex; align-items: center;
}
/* sin flechas de incremento (el número no es secuencial) */
.search input::-webkit-outer-spin-button,
.search input::-webkit-inner-spin-button {
  -webkit-appearance: none; margin: 0;
}
.search .field .hash {
  position: absolute; left: 15px;
  font-family: var(--display); font-weight: 600;
  color: var(--gold); font-size: 17px; pointer-events: none;
}
.search input {
  width: 100%;
  font-family: var(--display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--fg);
  padding: 13px 16px 13px 50px;
  -moz-appearance: textfield;
       appearance: textfield;
  background: oklch(0.14 0.012 64 / 0.85);
  border: 1.5px solid var(--hairline);
  border-radius: var(--r-md);
  outline: none;
  transition: border-color .18s, box-shadow .18s;
}
:root[data-tema="pergamino"] .search input {
  background: oklch(0.99 0.01 90 / 0.7);
}
.search input::placeholder {
  font-family: var(--serif); font-weight: 400; font-style: italic;
  font-size: 15px; letter-spacing: 0; color: var(--fg-soft); opacity: 0.7;
}
.search input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px oklch(0.74 0.1 82 / 0.18);
}
.search input.shake { animation: shake .4s; border-color: oklch(0.58 0.13 32); }

.btn-go {
  flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
  width: 52px;
  border: none; cursor: pointer;
  border-radius: var(--r-md);
  background: linear-gradient(160deg, var(--gold-bright), var(--gold-deep));
  box-shadow: inset 0 1px 0 oklch(0.95 0.05 88 / 0.6), 0 4px 12px -4px oklch(0.5 0.08 80 / 0.7);
  color: oklch(0.22 0.04 60);
  transition: transform .12s, filter .12s;
}
.btn-go:hover { filter: brightness(1.06); }
.btn-go:active { transform: scale(0.95); }

.hint-msg {
  margin-top: 9px; min-height: 18px;
  font-size: 13.5px; font-style: italic;
  color: oklch(0.68 0.12 40);
  text-align: center;
  opacity: 0; transition: opacity .2s;
}
.hint-msg.show { opacity: 1; }

/* ============================================================
   Cuerpo desplazable
   ============================================================ */
.body {
  flex: 1; position: relative; z-index: 1;
  padding: 8px 20px 40px;
  display: flex; flex-direction: column;
}

/* ---------- Estado vacío ---------- */
.empty {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
  text-align: center;
  padding: 34px 8px 48px;
  animation: rise .5s ease both;
}
.empty .key-wrap {
  width: 266px; height: 266px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  margin-bottom: 22px;
  box-shadow:
    0 0 0 2px var(--gold-deep),
    0 0 0 9px oklch(0.16 0.015 66),
    0 0 0 10px oklch(0.5 0.06 82 / 0.45),
    0 22px 55px -12px oklch(0.6 0.08 82 / 0.5);
  animation: float 6s ease-in-out infinite;
}
/* viñeta interior: funde el borde del disco hacia el fondo */
.empty .key-wrap::after {
  content: "";
  position: absolute; inset: 0; border-radius: 50%;
  box-shadow: inset 0 0 46px 14px oklch(0.10 0.015 64 / 0.75);
  pointer-events: none;
}
.empty .key-wrap img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: 50% 20%;
}
.empty h2 {
  font-family: var(--display); font-weight: 600;
  font-size: 19px; letter-spacing: 0.08em;
  margin: 0 0 10px; color: var(--gold-bright);
}
:root[data-tema="pergamino"] .empty h2 { color: var(--gold-deep); }
.empty p {
  font-size: 16.5px; line-height: 1.55; max-width: 30ch;
  margin: 0; color: var(--fg-soft);
}
.empty .recent {
  margin-top: 26px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.empty .recent .lbl {
  font-family: var(--display); font-size: 11px; letter-spacing: 0.2em;
  color: var(--fg-soft); opacity: 0.75;
}
.chips { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.chip {
  font-family: var(--display); font-weight: 600; font-size: 15px;
  letter-spacing: 0.03em; white-space: nowrap;
  padding: 7px 15px; cursor: pointer;
  color: var(--gold-bright);
  background: oklch(0.16 0.012 64 / 0.7);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  transition: all .15s;
}
:root[data-tema="pergamino"] .chip { color: var(--gold-deep); background: oklch(0.98 0.01 88 / 0.6); }
.chip:hover { border-color: var(--gold); color: var(--gold-bright); transform: translateY(-1px); }

/* ============================================================
   Vista de carta
   ============================================================ */
.card-view { animation: rise .4s ease both; }

/* medallón + nombre */
.card-head {
  display: flex; align-items: center; gap: 14px;
  margin: 6px 0 18px;
}
.medallion {
  flex: 0 0 auto;
  width: 64px; height: 64px; border-radius: 50%;
  display: grid; place-items: center;
  position: relative;
  background:
    radial-gradient(circle at 38% 30%, var(--gold-bright), var(--gold) 45%, var(--gold-deep) 100%);
  box-shadow:
    inset 0 2px 3px oklch(0.96 0.05 88 / 0.7),
    inset 0 -3px 6px oklch(0.4 0.07 70 / 0.6),
    0 4px 14px -4px oklch(0.5 0.08 80 / 0.6);
}
.medallion::before {
  content: ""; position: absolute; inset: 5px; border-radius: 50%;
  border: 1.5px solid oklch(0.45 0.06 70 / 0.5);
}
.medallion span {
  font-family: var(--display); font-weight: 700; font-size: 24px;
  color: oklch(0.26 0.05 62);
  text-shadow: 0 1px 0 oklch(0.92 0.05 88 / 0.5);
}
.card-titles { min-width: 0; }
.card-titles .kicker {
  font-family: var(--display); font-size: 11px; letter-spacing: 0.22em;
  color: var(--fg-soft); margin-bottom: 3px;
}
.card-titles h2 {
  font-family: var(--display); font-weight: 700;
  font-size: 23px; letter-spacing: 0.02em; line-height: 1.1;
  margin: 0; color: var(--fg);
  overflow-wrap: anywhere;
}

/* ---------- selector de 4 cerraduras ---------- */
.locks-label {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--display); font-size: 11px; letter-spacing: 0.2em;
  color: var(--fg-soft); margin-bottom: 12px;
}
.locks-label::before, .locks-label::after {
  content: ""; flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--hairline), transparent);
}
.locks {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
  margin-bottom: 20px;
}
.lock {
  position: relative; cursor: pointer;
  aspect-ratio: 3 / 4;
  border-radius: 10px;
  border: 1.5px solid var(--hairline);
  background: linear-gradient(165deg, var(--panel-2), oklch(0.14 0.01 64));
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px;
  transition: transform .16s, border-color .2s, box-shadow .2s, background .2s;
  -webkit-tap-highlight-color: transparent;
}
:root[data-tema="pergamino"] .lock {
  background: linear-gradient(165deg, oklch(0.84 0.03 80), oklch(0.78 0.035 76));
}
.lock:hover { transform: translateY(-2px); border-color: var(--gold-deep); }
.lock .num {
  font-family: var(--display); font-weight: 600; font-size: 13px;
  color: var(--fg-soft); letter-spacing: 0.05em;
  transition: color .2s;
}
/* cuerpo del candado / ojo de cerradura */
.lock .body-shape {
  width: 30px; height: 26px; border-radius: 5px;
  margin-top: 12px;
  background: oklch(0.30 0.012 66);
  box-shadow: inset 0 1px 1px oklch(1 0 0 / 0.08), inset 0 -2px 3px oklch(0 0 0 / 0.4);
  position: relative;
  display: grid; place-items: center;
  transition: background .25s;
}
.lock .body-shape::before { /* arco del candado */
  content: ""; position: absolute; top: -11px;
  width: 18px; height: 18px;
  border: 3px solid oklch(0.34 0.012 66);
  border-bottom: none;
  border-radius: 10px 10px 0 0;
  transition: transform .3s cubic-bezier(.5,1.6,.4,1), border-color .25s, left .3s;
  left: 50%; transform: translateX(-50%);
}
.lock .keyhole {
  width: 7px; height: 11px;
  background: oklch(0.08 0.01 60);
  border-radius: 50% 50% 4px 4px / 60% 60% 4px 4px;
  position: relative; top: 1px;
}
/* nivel de revelación (llamas) */
.flames { display: flex; gap: 3px; }
.flames i {
  width: 5px; height: 5px; border-radius: 50%;
  background: oklch(0.38 0.012 66);
  transition: background .25s, box-shadow .25s;
}

/* candado SELECCIONADO (abierto) */
.lock.open {
  border-color: var(--gold);
  background: linear-gradient(165deg, oklch(0.30 0.03 80), oklch(0.20 0.02 72));
  box-shadow: 0 0 0 1px var(--gold-deep), 0 6px 20px -6px oklch(0.7 0.1 82 / 0.55),
              inset 0 0 18px oklch(0.6 0.08 82 / 0.18);
}
:root[data-tema="pergamino"] .lock.open {
  background: linear-gradient(165deg, oklch(0.88 0.05 84), oklch(0.82 0.06 80));
}
.lock.open .num { color: var(--gold-bright); }
:root[data-tema="pergamino"] .lock.open .num { color: var(--gold-deep); }
.lock.open .body-shape {
  background: linear-gradient(160deg, var(--gold-bright), var(--gold-deep));
}
.lock.open .body-shape::before {
  border-color: var(--gold);
  transform: translateX(-40%) rotate(-26deg);
  transform-origin: bottom left;
}
.lock.open .keyhole { background: oklch(0.22 0.05 62); }
.lock.open .flames i { background: var(--gold-bright); box-shadow: 0 0 6px oklch(0.8 0.12 82 / 0.8); }

/* ---------- pergamino de la pista ---------- */
.scroll {
  position: relative;
  border-radius: 14px;
  padding: 26px 24px 28px;
  color: var(--ink);
  background:
    radial-gradient(120% 80% at 50% 0%, oklch(0.95 0.03 88), transparent 60%),
    linear-gradient(170deg, var(--parch) 0%, var(--parch-deep) 100%);
  border: 1px solid var(--parch-edge);
  box-shadow:
    0 18px 40px -16px rgba(0,0,0,0.6),
    inset 0 0 0 2px oklch(0.82 0.05 80 / 0.5),
    inset 0 2px 6px oklch(1 0 0 / 0.5);
}
.scroll .pista-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--display); font-weight: 600; font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold-ink);
  margin-bottom: 14px;
}
.scroll .pista-tag .lvl { color: var(--ink-soft); font-style: normal; }
.scroll .pista-text {
  font-family: var(--serif);
  font-size: 19.5px; line-height: 1.6;
  text-wrap: pretty;
  margin: 0;
}
.scroll .pista-text.sample::after {
  content: " ✦";
  color: var(--gold-deep);
}
.scroll .scroll-foot {
  margin-top: 18px; padding-top: 14px;
  border-top: 1px dashed oklch(0.66 0.05 74);
  font-family: var(--serif); font-style: italic; font-size: 13.5px;
  color: var(--ink-soft);
  display: flex; align-items: center; gap: 7px;
}
/* animación de revelado */
.scroll.reveal { animation: unfurl .5s cubic-bezier(.2,.7,.3,1) both; transform-origin: top center; }
.scroll.reveal .pista-text { animation: fadeUp .55s ease .08s both; }

/* aviso de spoiler en pistas avanzadas */
.spoiler-note {
  text-align: center; margin: 14px 0 0;
  font-family: var(--serif); font-style: italic; font-size: 13px;
  color: var(--fg-soft);
  display: flex; align-items: center; justify-content: center; gap: 7px;
}

/* ---------- navegación carta anterior/siguiente ---------- */
.cardnav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-top: 24px;
}
.cardnav button {
  flex: 1;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--display); font-size: 12px; letter-spacing: 0.14em;
  padding: 12px 10px; cursor: pointer;
  color: var(--fg-soft);
  background: oklch(0.16 0.012 64 / 0.6);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  transition: all .15s;
}
:root[data-tema="pergamino"] .cardnav button { background: oklch(0.97 0.01 88 / 0.6); }
.cardnav button:hover:not(:disabled) { border-color: var(--gold-deep); color: var(--gold-bright); }
:root[data-tema="pergamino"] .cardnav button:hover:not(:disabled) { color: var(--gold-deep); }
.cardnav button:disabled { opacity: 0.3; cursor: default; }
.cardnav button svg { flex: 0 0 auto; }

/* ============================================================
   Animaciones
   ============================================================ */
@keyframes shake { 0%,100%{transform:translateX(0)} 20%{transform:translateX(-6px)} 40%{transform:translateX(6px)} 60%{transform:translateX(-4px)} 80%{transform:translateX(4px)} }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
@keyframes unfurl { from { opacity: 0; transform: scaleY(0.7) translateY(-8px); } to { opacity: 1; transform: none; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, .empty, .card-view, .scroll.reveal, .scroll.reveal .pista-text, .empty .key-wrap img {
    animation: none !important;
  }
}

/* ============================================================
   Añadidos de producción (no estaban en el prototipo)
   ============================================================ */

/* El atributo [hidden] debe ganar a las reglas display:flex de .recent/.spoiler-note. */
[hidden] { display: none !important; }

/* Foco visible accesible (el handoff lo pide explícitamente). */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: 4px;
}
.lock:focus-visible,
.chip:focus-visible,
.cardnav button:focus-visible { outline-offset: 3px; }

/* Conmutador de tema (piedra ↔ pergamino), arriba a la derecha de la cabecera. */
.topbar { position: sticky; }   /* ya lo es; refuerzo por si el orden de reglas cambiara */
.theme-toggle {
  position: absolute; top: 14px; right: 16px;
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--gold-bright);
  background: oklch(0.16 0.012 64 / 0.6);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  transition: border-color .15s, color .15s, transform .12s;
  z-index: 31;
}
:root[data-tema="pergamino"] .theme-toggle {
  color: var(--gold-deep);
  background: oklch(0.98 0.01 88 / 0.6);
}
.theme-toggle:hover { border-color: var(--gold); transform: translateY(-1px); }
.theme-toggle:active { transform: scale(0.94); }
/* el icono sol/luna se alterna por CSS según el tema */
.theme-toggle .icon-moon { display: none; }
.theme-toggle .icon-sun { display: block; }
:root[data-tema="pergamino"] .theme-toggle .icon-moon { display: block; }
:root[data-tema="pergamino"] .theme-toggle .icon-sun { display: none; }

/* Enlaces que envuelven contenido (chips de recientes) sin estilo de enlace. */
a.chip { text-decoration: none; }

/* La marca es un enlace a Inicio: sin subrayado ni color de enlace. */
a.brand, a.brand:hover, a.brand:focus, a.brand:visited { text-decoration: none; color: inherit; }

/* Selector de idioma (EN/ES/FR), arriba a la izquierda de la cabecera. */
.lang-switch {
  position: absolute; top: 14px; left: 16px;
  display: inline-flex; gap: 2px;
  background: oklch(0.16 0.012 64 / 0.6);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 2px;
  z-index: 31;
}
:root[data-tema="pergamino"] .lang-switch { background: oklch(0.98 0.01 88 / 0.6); }
.lang-switch .lang {
  font-family: var(--display); font-size: 10.5px; letter-spacing: 0.06em;
  line-height: 1; cursor: pointer;
  padding: 6px 7px; border: none; border-radius: 999px;
  background: transparent; color: var(--fg-soft);
  transition: color .15s, background .15s;
}
.lang-switch .lang:hover { color: var(--gold-bright); }
:root[data-tema="pergamino"] .lang-switch .lang:hover { color: var(--gold-deep); }
.lang-switch .lang.on {
  color: oklch(0.22 0.04 60);
  background: linear-gradient(160deg, var(--gold-bright), var(--gold-deep));
}