/* =========================================================
   Corrector de Expedientes — practica de ortografia juridica
   Sistema visual: papel sellado + tinta de sello violeta + lapiz
   rojo de correccion, tal como se corrige un expediente real.
   ========================================================= */

:root {
  --paper: #edefe0;
  --paper-alt: #e3e6d1;
  --paper-card: #f5f6ec;
  --line: #c9cdb0;
  --ink: #1e2a38;
  --ink-soft: #52606d;
  --sello: #4b2e83;
  --sello-soft: #ece4f8;
  --correccion: #a3271f;
  --correccion-soft: #f6e3e0;
  --aprobado: #2f6b4f;
  --aprobado-soft: #e1eee6;
  --ambar: #8a5a10;
  --ambar-soft: #f3e9d2;
  --shadow: 0 1px 0 rgba(30, 42, 56, 0.06), 0 8px 24px -12px rgba(30, 42, 56, 0.25);

  --display: "Fraunces", "Iowan Old Style", serif;
  --body-serif: "Piazzolla", "Iowan Old Style", Georgia, serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1a2017;
    --paper-alt: #232a1e;
    --paper-card: #20261c;
    --line: #3a4433;
    --ink: #e9ecdd;
    --ink-soft: #b3bda2;
    --sello: #b79cf0;
    --sello-soft: #2b2340;
    --correccion: #e88477;
    --correccion-soft: #3a231f;
    --aprobado: #86d2ac;
    --aprobado-soft: #1c3226;
    --ambar: #e4b25b;
    --ambar-soft: #362a13;
    --shadow: 0 1px 0 rgba(0, 0, 0, 0.4), 0 8px 24px -12px rgba(0, 0, 0, 0.6);
  }
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body-serif);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.fondo-rayado {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 37px,
    var(--line) 37px,
    var(--line) 38px
  );
  opacity: 0.35;
  mask-image: linear-gradient(to bottom, transparent, black 120px, black calc(100% - 200px), transparent);
}

.envoltura {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  padding: clamp(20px, 4vw, 48px) clamp(16px, 4vw, 24px) 64px;
}

/* ---------- Cabecera comun ---------- */

.membrete {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.membrete__marca {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sello);
  font-weight: 600;
}

.membrete__folio {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

h1.titulo {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
  color: var(--ink);
}

h1.titulo em {
  font-style: italic;
  color: var(--sello);
}

.subtitulo {
  font-family: var(--body-serif);
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0 0 32px;
  max-width: 52ch;
  line-height: 1.5;
}

/* ---------- Pantalla de configuracion ---------- */

.tarjeta {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: 3px;
  box-shadow: var(--shadow);
  padding: clamp(20px, 4vw, 36px);
}

.campo {
  margin-bottom: 28px;
}

.campo:last-of-type {
  margin-bottom: 0;
}

.campo__cabecera {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
  gap: 12px;
}

.campo__etiqueta {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.campo__valor {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--sello);
  white-space: nowrap;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 3px;
  background: var(--line);
  border-radius: 2px;
  outline-offset: 4px;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--sello);
  border: 3px solid var(--paper-card);
  box-shadow: 0 0 0 1px var(--sello);
  cursor: pointer;
  margin-top: -7.5px;
}

input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--sello);
  border: 3px solid var(--paper-card);
  box-shadow: 0 0 0 1px var(--sello);
  cursor: pointer;
}

input[type="range"]::-moz-range-track {
  height: 3px;
  background: var(--line);
  border-radius: 2px;
}

.campo__escala {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--ink-soft);
  opacity: 0.7;
  margin-top: 6px;
}

.select-tema {
  width: 100%;
  font-family: var(--body-serif);
  font-size: 0.98rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 10px 12px;
  cursor: pointer;
}

.select-tema:focus-visible,
button:focus-visible,
.palabra:focus-visible {
  outline: 2px solid var(--sello);
  outline-offset: 2px;
}

.acciones {
  margin-top: 34px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.boton-sello {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-card);
  background: var(--sello);
  border: none;
  border-radius: 2px;
  padding: 16px 36px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 4px 0 -1px color-mix(in srgb, var(--sello) 60%, black 20%);
}

.boton-sello:hover {
  transform: translateY(-1px);
}

.boton-sello:active {
  transform: translateY(2px);
  box-shadow: none;
}

.nota-al-pie {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--ink-soft);
  text-align: center;
  max-width: 40ch;
  line-height: 1.5;
  opacity: 0.75;
}

/* ---------- Pantalla de juego ---------- */

.barra-juego {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 0 0 22px;
  padding: 14px 0;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.pastilla {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  padding: 8px 14px;
  border-radius: 2px;
  border: 1px solid var(--line);
  background: var(--paper-card);
}

.pastilla__etiqueta {
  color: var(--ink-soft);
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

.pastilla--tiempo .pastilla__valor {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--sello);
  font-variant-numeric: tabular-nums;
}

.pastilla--tiempo.urgente {
  border-color: var(--correccion);
  animation: pulso-urgente 1s ease-in-out infinite;
}

.pastilla--tiempo.urgente .pastilla__valor {
  color: var(--correccion);
}

@keyframes pulso-urgente {
  0%,
  100% {
    background: var(--paper-card);
  }
  50% {
    background: var(--correccion-soft);
  }
}

.pastilla--contador .pastilla__valor {
  font-weight: 700;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.boton-finalizar {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--correccion);
  background: transparent;
  border: 1px solid var(--correccion);
  border-radius: 2px;
  padding: 9px 16px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.boton-finalizar:hover {
  background: var(--correccion);
  color: var(--paper-card);
}

.tema-actual {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sello);
  margin: 0 0 16px;
}

.hoja {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--sello);
  border-radius: 2px;
  box-shadow: var(--shadow);
  padding: clamp(24px, 5vw, 44px) clamp(20px, 5vw, 40px);
  position: relative;
}

.texto-juridico {
  font-family: var(--body-serif);
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  line-height: 1.85;
  color: var(--ink);
  text-align: left;
  word-wrap: break-word;
}

.palabra {
  cursor: pointer;
  border-radius: 3px;
  padding: 0 1px;
  position: relative;
  transition: background-color 0.12s ease;
}

.palabra:hover {
  background-color: var(--sello-soft);
}

.palabra.acertada {
  color: var(--correccion);
  font-weight: 600;
}

.palabra.acertada::after {
  content: "";
  position: absolute;
  left: -6px;
  right: -6px;
  top: -30%;
  bottom: -22%;
  border: 2px solid var(--correccion);
  border-radius: 50% / 60%;
  transform: rotate(-2deg);
  pointer-events: none;
  animation: trazo-circulo 0.32s ease-out;
}

@keyframes trazo-circulo {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

.palabra.fallo {
  animation: sacudir 0.4s ease;
  background-color: var(--correccion-soft);
}

@keyframes sacudir {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-2px);
  }
  75% {
    transform: translateX(2px);
  }
}

.margen-tally {
  position: absolute;
  right: -10px;
  top: 20px;
  bottom: 20px;
  width: 6px;
  display: none;
}

@media (min-width: 900px) {
  .margen-tally {
    display: block;
    right: -18px;
  }
}

/* ---------- Pantalla de resultados ---------- */

.veredicto {
  text-align: center;
  margin-bottom: 30px;
}

.sello-veredicto {
  display: inline-block;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  letter-spacing: 0.02em;
  padding: 14px 30px;
  border: 3px solid currentColor;
  border-radius: 4px;
  transform: rotate(-3deg);
  animation: sello-aparece 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes sello-aparece {
  from {
    opacity: 0;
    transform: rotate(-3deg) scale(1.4);
  }
  to {
    opacity: 1;
    transform: rotate(-3deg) scale(1);
  }
}

.sello-veredicto--aprobado {
  color: var(--aprobado);
  background: var(--aprobado-soft);
}

.sello-veredicto--revisar {
  color: var(--ambar);
  background: var(--ambar-soft);
}

.sello-veredicto--reprobado {
  color: var(--correccion);
  background: var(--correccion-soft);
}

.grilla-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 32px;
}

.stat {
  background: var(--paper-card);
  padding: 16px 14px;
  text-align: center;
}

.stat__valor {
  display: block;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--ink);
}

.stat__etiqueta {
  display: block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 4px;
}

.seccion-revision h2 {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 4px;
}

.seccion-revision p.ayuda {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-soft);
  margin: 0 0 16px;
}

.palabra.acertada-final {
  color: var(--aprobado);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-decoration-color: var(--aprobado);
  text-underline-offset: 3px;
}

.palabra.perdida-final {
  color: var(--correccion);
  font-weight: 600;
  border-bottom: 2px solid var(--correccion);
}

.palabra.perdida-final .correccion-tooltip {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--aprobado);
  background: var(--aprobado-soft);
  border-radius: 2px;
  padding: 0 4px;
  margin-left: 3px;
  white-space: nowrap;
}

.acciones-finales {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
}

.boton-secundario {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink-soft);
  border-radius: 2px;
  padding: 12px 22px;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.boton-secundario:hover {
  border-color: var(--sello);
  color: var(--sello);
}

.oculto {
  display: none !important;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 520px) {
  .membrete {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .barra-juego {
    flex-direction: column;
    align-items: stretch;
  }
  .barra-juego .pastilla,
  .barra-juego .boton-finalizar {
    text-align: center;
    justify-content: center;
  }
}