:root {
  --bg: #050505;
  --bg-2: #0b0a08;
  --panel: #100f0c;
  --panel-2: #15130f;
  --line: #27221a;
  --line-2: #3a3226;
  --text: #e9e3d7;
  --muted: #938a79;
  --accent: #f0a500;
  --accent-2: #ffc040;
  --ok: #6ee7a0;
  --bad: #ff5c7a;
  --warn: #f0a500;
  --clara: #e8dfc9;
  --oscura: #776a55;
  --radio: 16px;
  --sombra: 0 18px 50px rgba(0, 0, 0, 0.45);
  --mono: "JetBrains Mono", "Fira Code", "DejaVu Sans Mono", ui-monospace, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  min-width: 0;
}

a {
  color: var(--accent-2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

#app > [data-vista]:focus {
  outline: none;
}

/* --------------------------------------------------------------- cielo */
.cielo {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1px 1px at 12% 18%, rgba(255, 255, 255, 0.55), transparent 60%),
    radial-gradient(1px 1px at 74% 9%, rgba(255, 255, 255, 0.4), transparent 60%),
    radial-gradient(1.5px 1.5px at 42% 66%, rgba(255, 255, 255, 0.35), transparent 60%),
    radial-gradient(1px 1px at 88% 52%, rgba(255, 255, 255, 0.45), transparent 60%),
    radial-gradient(1px 1px at 28% 88%, rgba(255, 255, 255, 0.3), transparent 60%),
    radial-gradient(1.5px 1.5px at 63% 34%, rgba(255, 255, 255, 0.25), transparent 60%),
    radial-gradient(900px 500px at 50% -10%, rgba(240, 165, 0, 0.07), transparent 70%);
}

.contenedor {
  width: 100%;
  max-width: 900px;
  margin-inline: auto;
  padding-left: max(1rem, env(safe-area-inset-left, 0px));
  padding-right: max(1rem, env(safe-area-inset-right, 0px));
}

/* -------------------------------------------------------------- cabecera */
.cabecera {
  padding: 2.6rem 0 1.6rem;
}

.cabecera__interior {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.marca-sitio {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.marca-sitio span {
  color: var(--accent);
}

.cabecera__titulo {
  text-align: center;
  flex: 1;
  min-width: 0;
}

.cabecera h1 {
  margin: 0;
  font-size: clamp(1.9rem, 5vw, 2.9rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-weight: 650;
  overflow-wrap: break-word;
}

.lema {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.cabecera__meta {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

/* ---------------------------------------------------------------- vistas */
.vista {
  display: grid;
  gap: 1.1rem;
  min-width: 0;
  animation: aparecer 0.28s ease both;
}

@keyframes aparecer {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.panel {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radio);
  padding: clamp(1.1rem, 3vw, 1.7rem);
  min-width: 0;
  max-width: 100%;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.035),
    var(--sombra);
}

.panel--intro {
  background:
    radial-gradient(600px 200px at 20% 0%, rgba(240, 165, 0, 0.09), transparent 70%),
    linear-gradient(180deg, var(--panel-2), var(--panel));
}

.panel--pendiente {
  border-color: rgba(240, 165, 0, 0.45);
}

.panel--vinculo {
  border-color: rgba(240, 165, 0, 0.35);
}

.panel--diario {
  border-color: rgba(240, 165, 0, 0.35);
}

.panel--ajedrez {
  border-color: rgba(255, 192, 64, 0.35);
  background:
    linear-gradient(135deg, rgba(240, 165, 0, 0.06), transparent 45%),
    var(--panel);
}

.tip {
  margin: 1rem 0;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(240, 165, 0, 0.05), transparent 55%);
}

.tip--compacto {
  margin-bottom: 0.9rem;
}

.tip__cabecera {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.tip__etiqueta {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.tip__categoria {
  margin: 0.15rem 0 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
}

.tip__texto {
  margin: 0.55rem 0 0;
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.45;
}

.tip__codigos {
  margin-top: 0.65rem;
}

.tip__codigos summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  width: fit-content;
}

.tip__codigos[open] summary {
  color: var(--accent-2);
}

.tip__codigos .tenue {
  margin: 0.55rem 0 0.35rem;
  font-size: 0.76rem;
}

.tabla--codigos {
  min-width: 0;
  width: auto;
  font-size: 0.78rem;
}

.tabla--codigos th,
.tabla--codigos td {
  padding: 0.28rem 0.55rem;
}

.tabla--codigos td:nth-child(n + 2) {
  font-family: var(--mono);
  text-align: center;
}

.barra-estado {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.75rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #0d0c0a;
  font-size: 0.78rem;
}

.barra-estado__modo {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.barra-estado__identidad {
  margin-right: auto;
  color: var(--muted);
}

.panel--centrado {
  text-align: center;
  padding-block: clamp(2rem, 6vw, 4rem);
}

.panel__titulo {
  margin: 0 0 1.1rem;
  font-size: 0.78rem;
  font-family: var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.panel__cabecera {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1rem;
  margin-bottom: 1.1rem;
}

.panel__cabecera .panel__titulo {
  margin: 0;
}

/* --------------------------------------------------------------- inicio */
.entradilla {
  margin: 0;
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  line-height: 1.55;
  max-width: 62ch;
}

.pasos {
  list-style: none;
  counter-reset: paso;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.pasos li {
  counter-increment: paso;
  position: relative;
  padding-left: 2.5rem;
}

.pasos li::before {
  content: counter(paso);
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 1.7rem;
  height: 1.7rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
}

.pasos b {
  display: block;
  font-size: 0.95rem;
}

.pasos span {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.4;
  display: block;
}

.campo {
  margin-bottom: 1.25rem;
}

.campo__etiqueta {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.tamanos {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5rem;
}

.tamano {
  appearance: none;
  border: 1px solid var(--line);
  background: #14120e;
  color: var(--text);
  border-radius: 12px;
  padding: 0.7rem 0.4rem;
  font: inherit;
  cursor: pointer;
  display: grid;
  gap: 0.1rem;
  justify-items: center;
  align-content: center;
  min-width: 0;
  min-height: 88px;
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    transform 0.15s ease;
}

.tamano b {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 600;
}

.tamano span {
  font-size: 0.7rem;
  line-height: 1.2;
  color: var(--muted);
  text-align: center;
}

.tamano:hover:not(:disabled) {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.tamano[aria-pressed="true"] {
  border-color: var(--accent);
  background: #1e180c;
  box-shadow: 0 0 0 1px rgba(240, 165, 0, 0.35);
}

.tamano:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.tamano--bloqueado {
  opacity: 0.45;
  cursor: not-allowed;
}

.tamano--bloqueado:hover {
  border-color: var(--line);
  transform: none;
}

.tramos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tramo {
  appearance: none;
  border: 1px solid var(--line);
  background: #14120e;
  color: var(--text);
  border-radius: 999px;
  padding: 0.42rem 0.95rem;
  font: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    background 0.15s ease;
}

.tramo:hover {
  border-color: var(--accent);
}

.tramo[aria-pressed="true"] {
  border-color: var(--accent);
  background: #1e180c;
  color: var(--accent-2);
}

.filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}

.filtro {
  appearance: none;
  border: 1px solid var(--line);
  background: #14120e;
  color: var(--text);
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  font: inherit;
  font-size: 0.76rem;
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    color 0.15s ease;
}

.filtro:hover {
  border-color: var(--accent);
}

.filtro[aria-pressed="true"] {
  border-color: var(--accent);
  background: #1e180c;
  color: var(--accent-2);
}

.ayuda {
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  min-height: 1.3em;
}

.interruptor {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
}

.interruptor input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.interruptor__pista {
  position: relative;
  flex: 0 0 auto;
  width: 44px;
  height: 25px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: #1a1712;
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
}

.interruptor__pista::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: #8d8473;
  transition:
    transform 0.15s ease,
    background 0.15s ease;
}

.interruptor input:checked + .interruptor__pista {
  background: #3a2b06;
  border-color: var(--accent);
}

.interruptor input:checked + .interruptor__pista::after {
  transform: translateX(19px);
  background: var(--accent);
}

.interruptor input:focus-visible + .interruptor__pista {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.interruptor__texto {
  display: grid;
  gap: 0.12rem;
}

.interruptor__texto b {
  font-size: 0.9rem;
  font-weight: 600;
}

.interruptor__texto em {
  font-style: normal;
  color: var(--muted);
  font-size: 0.78rem;
}

.detalle {
  margin: 0 0 1.25rem;
  padding: 0.7rem 0.9rem;
  border-left: 2px solid var(--accent);
  background: rgba(240, 165, 0, 0.06);
  border-radius: 0 8px 8px 0;
  font-size: 0.9rem;
}

.nota {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.detalle--aviso {
  border-left-color: var(--bad);
  background: rgba(255, 92, 122, 0.06);
  font-size: 0.78rem;
  margin-bottom: 0.8rem;
}

/* --------------------------------------------------------------- botones */
.boton {
  appearance: none;
  border: 1px solid var(--line-2);
  background: #171410;
  color: var(--text);
  border-radius: 10px;
  padding: 0.65rem 1.15rem;
  font: inherit;
  font-size: 0.92rem;
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    color 0.15s ease,
    transform 0.1s ease;
}

.boton:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent-2);
}

.boton:active:not(:disabled) {
  transform: translateY(1px);
}

.boton:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.boton--primario {
  background: var(--accent);
  border-color: var(--accent);
  color: #140e00;
  font-weight: 700;
}

.boton--primario:hover:not(:disabled) {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: #140e00;
}

.boton--fantasma {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 0.4rem 0.6rem;
}

.boton--fantasma:hover:not(:disabled) {
  color: var(--accent-2);
  border-color: var(--line);
}

.boton--ancho {
  width: 100%;
  padding-block: 0.85rem;
  font-size: 1rem;
}

.boton--borrar {
  background: transparent;
  border-color: #5a2a2a;
  color: #e79a9a;
}

.boton--borrar:hover:not(:disabled) {
  background: rgba(255, 92, 122, 0.08);
  border-color: var(--bad);
  color: #ffd0d8;
}

.acciones {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.acciones .boton--primario {
  margin-left: auto;
}

.compartir-redes {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.9rem;
}

.compartir-redes__titulo {
  margin-right: 0.2rem;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.red {
  appearance: none;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #14120e;
  color: var(--muted);
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    color 0.15s ease;
}

.red:hover:not(:disabled),
.red:focus-visible {
  border-color: var(--accent);
  background: #1e180c;
  color: var(--accent-2);
}

.red:disabled {
  opacity: 0.35;
  cursor: wait;
}

.red__icono {
  width: 19px;
  height: 19px;
  fill: currentColor;
}

.iconos-redes {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* --------------------------------------------------------------- diálogo */
.dialogo {
  width: min(92vw, 380px);
  border: 1px solid var(--line-2);
  border-radius: 16px;
  padding: 1.3rem;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  color: var(--text);
  box-shadow: var(--sombra);
}

.dialogo::backdrop {
  background: rgba(0, 0, 0, 0.68);
  backdrop-filter: blur(3px);
}

.dialogo__titulo {
  margin: 0 0 1rem;
  font-size: 1.1rem;
}

.campo-form {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.8rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.campo-form input {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background: #0d0c0a;
  color: var(--text);
  font: inherit;
}

.dialogo__error {
  padding: 0;
  margin: 0 0 0.8rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--bad);
}

.lista-requisitos {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.lista-requisitos li {
  font-size: 0.86rem;
  line-height: 1.45;
}

.requisito__contador {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.requisito__contador--ok {
  color: var(--ok);
}

.requisito__contador--falta {
  color: var(--accent);
}

/* ---------------------------------------------------------------- tablero */
.panel--tablero {
  max-width: 720px;
  width: 100%;
  margin-inline: auto;
}

.ronda__cabecera {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  margin-bottom: 0.8rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.ronda__cabecera > * {
  min-width: 0;
}

.contador {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.barra {
  height: 5px;
  border-radius: 999px;
  background: #1b1711;
  overflow: hidden;
  margin-bottom: 1.1rem;
}

.barra__relleno {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.1s linear;
}

.tablero-marco {
  width: min(100%, 560px);
  margin-inline: auto;
}

.tablero {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  border-radius: 10px;
  background: #050505;
  box-shadow:
    0 0 0 1px var(--line),
    0 24px 60px rgba(0, 0, 0, 0.55);
  touch-action: manipulation;
}

.casilla--clara {
  fill: var(--clara);
}

.casilla--oscura {
  fill: var(--oscura);
}

.tablero--interactivo .casilla {
  cursor: pointer;
  transition: filter 0.1s ease;
}

.tablero--interactivo .casilla:hover {
  filter: brightness(1.09);
}

.casilla:focus {
  outline: none;
}

.casilla:focus-visible {
  stroke: var(--accent);
  stroke-width: 0.09;
}

.pieza {
  font-family: "DejaVu Sans", "Noto Sans Symbols 2", "Segoe UI Symbol", "Arial Unicode MS", sans-serif;
  pointer-events: none;
  paint-order: stroke fill;
}

.pieza--w {
  fill: #faf5e8;
  stroke: #17140e;
  stroke-width: 0.018;
}

.pieza--b {
  fill: #13151a;
  stroke: #f3ead7;
  stroke-width: 0.014;
}

.coordenada {
  font-family: var(--mono);
  fill: var(--muted);
  pointer-events: none;
}

.marca {
  fill: none;
  stroke-width: 0.075;
  stroke-linejoin: round;
  pointer-events: none;
}

.marca--exacta {
  stroke: rgba(110, 231, 160, 0.9);
}

.marca--parcial {
  stroke: rgba(240, 165, 0, 0.95);
}

.marca--fallo {
  stroke: rgba(255, 92, 122, 0.95);
}

.marca--falso {
  stroke: rgba(255, 46, 99, 0.95);
  stroke-dasharray: 0.12 0.1;
}

/* ---------------------------------------------------------------- espera */
.etiqueta {
  margin: 0 0 0.4rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.reloj {
  margin: 0.4rem 0 0;
  font-family: var(--mono);
  font-size: clamp(3rem, 12vw, 5.5rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  text-shadow: 0 0 40px rgba(240, 165, 0, 0.25);
}

.multiplicador {
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.multiplicador b {
  color: var(--text);
  font-family: var(--mono);
  font-weight: 500;
}

.aviso {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.9rem;
  font-size: 0.78rem;
}

/* --------------------------------------------------------------- paleta */
.paleta-grupos {
  display: grid;
  gap: 0.75rem;
  width: min(100%, 560px);
  margin: 1rem auto 0;
}

.paleta-grupo {
  display: grid;
  gap: 0.35rem;
}

.paleta__etiqueta {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.paleta__fila {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.45rem;
}

.paleta__boton {
  appearance: none;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: #16130e;
  border-radius: 10px;
  font-size: min(2rem, 7vw);
  line-height: 1;
  cursor: pointer;
  min-width: 0;
  transition:
    border-color 0.12s ease,
    background 0.12s ease,
    transform 0.1s ease;
  padding: 0;
}

.paleta__boton:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.paleta__boton[aria-pressed="true"] {
  border-color: var(--accent);
  background: #221a0b;
  box-shadow: 0 0 0 2px rgba(240, 165, 0, 0.3);
}

.paleta__boton--w {
  background: #211d16;
  color: #f8f1e2;
  text-shadow:
    0 0 1px #000,
    0 2px 3px rgba(0, 0, 0, 0.9);
}

.paleta__boton--b {
  background: #e3d8c2;
  border-color: #cdc1a8;
  color: #0f1116;
  text-shadow: none;
}

.paleta__boton--b:hover {
  border-color: var(--accent);
  background: #eee3cd;
}

.paleta__boton--b[aria-pressed="true"] {
  background: #f6ecd6;
  border-color: var(--accent);
  color: #0f1116;
  box-shadow: 0 0 0 2px rgba(240, 165, 0, 0.35);
}

.paleta__boton--borrar {
  width: 3rem;
  justify-self: end;
  color: var(--muted);
  font-size: 1.2rem;
}

.paleta__boton--borrar[aria-pressed="true"] {
  color: var(--accent);
}

/* ------------------------------------------------------------- resultado */
.panel--resultado {
  text-align: center;
}

.puntos {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(3.2rem, 13vw, 5.6rem);
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 50px rgba(240, 165, 0, 0.22);
}

.formula {
  margin: 0.6rem 0 0;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--muted);
}

.formula sup {
  font-size: 0.7em;
  margin-left: 0.08em;
}

.insignias {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 0.9rem;
}

.insignia {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.18rem 0.65rem;
  font-size: 0.74rem;
  color: var(--muted);
  max-width: 100%;
  overflow-wrap: anywhere;
}

.desglose {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin: 1.4rem 0 0;
  text-align: left;
}

.desglose div {
  background: #0d0c0a;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  min-width: 0;
}

.desglose dt {
  color: var(--muted);
  font-size: 0.78rem;
}

.desglose dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}

.comparacion {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.comparacion figure {
  margin: 0;
  min-width: 0;
}

.comparacion figcaption {
  margin-bottom: 0.5rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.comparacion .tablero-marco {
  width: 100%;
}

.perspectiva {
  margin: 0 0 0.8rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.secuencia {
  margin-top: 1.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.secuencia__cabecera {
  margin-bottom: 0.9rem;
}

.secuencia__cabecera .etiqueta {
  margin-bottom: 0.25rem;
}

.secuencia__titulo {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--text);
}

.secuencia__cuerpo {
  display: grid;
  grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  gap: 1.4rem;
  align-items: start;
}

.secuencia__texto {
  min-width: 0;
}

.secuencia__jugada {
  margin: 0;
  min-height: 3rem;
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--accent-2);
}

.secuencia__controles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.secuencia__controles .boton {
  font-size: 0.8rem;
  padding: 0.45rem 0.85rem;
}

.secuencia__lista {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
}

.secuencia__paso {
  appearance: none;
  border: 1px solid var(--line);
  background: #14120e;
  color: var(--muted);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  font: inherit;
  font-family: var(--mono);
  font-size: 0.74rem;
  cursor: pointer;
}

.secuencia__paso:hover {
  border-color: var(--accent);
  color: var(--text);
}

.secuencia__paso[aria-current="step"] {
  border-color: var(--accent);
  background: #1e180c;
  color: var(--accent-2);
}

.secuencia__descripcion {
  margin: 1.2rem 0 0;
  max-width: 78ch;
}

.resalte {
  fill: none;
  stroke-width: 0.07;
}

.resalte--origen {
  stroke: var(--muted);
  stroke-dasharray: 0.12 0.08;
}

.resalte--destino {
  stroke: var(--accent-2);
  stroke-width: 0.09;
}

.creditos {
  margin: 1.2rem 0 0;
  max-width: 78ch;
  font-size: 0.7rem;
  line-height: 1.5;
  color: #6f6759;
}

.creditos a {
  color: #8f8778;
}

.marca-ajedrez {
  color: var(--accent-2);
  font-size: 0.62em;
  letter-spacing: 0.05em;
}

.leyenda {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.leyenda__item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.leyenda__chip {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
  border: 2px solid currentColor;
}

.leyenda__chip--exacta {
  color: var(--ok);
}

.leyenda__chip--parcial {
  color: var(--warn);
}

.leyenda__chip--fallo {
  color: var(--bad);
}

.leyenda__chip--falso {
  color: #ff2e63;
}

.lista-errores {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.3rem;
}

.errores {
  margin-top: 1rem;
}

.lista-errores li {
  padding-bottom: 0.25rem;
  border-bottom: 1px solid #191510;
  font-size: 0.82rem;
  color: var(--muted);
}

.lista-errores li b {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text);
}

.progreso-desbloqueo {
  margin: 1rem 0 0;
  padding: 0.7rem 0.9rem;
  border: 1px dashed var(--line-2);
  border-radius: 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.progreso-desbloqueo b {
  color: var(--text);
}

.tenue {
  color: var(--muted);
  opacity: 0.85;
}

/* -------------------------------------------------------------- progreso */
.metricas {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.6rem;
  min-width: 0;
}

.metrica {
  background: #0d0c0a;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.6rem 0.75rem;
  display: grid;
  gap: 0.15rem;
  min-width: 0;
}

.metrica span {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metrica b {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
}

.grafica {
  margin: 1rem 0 0.4rem;
}

.sparkline {
  display: block;
  width: 100%;
  height: 110px;
}

.sparkline__linea {
  fill: none;
  stroke: url(#sparkline-grad);
  stroke-width: 2;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 4px rgba(240, 165, 0, 0.5));
}

.sparkline__stop {
  stop-color: var(--accent);
}

.sparkline__stop--inicio {
  stop-opacity: 0.18;
}

.sparkline__stop--fin {
  stop-opacity: 1;
}

.sparkline__eje {
  stroke: var(--line);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.sparkline__punto {
  stroke: var(--accent);
  stroke-width: 8;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 6px rgba(240, 165, 0, 0.55));
}

.tabla-envoltura {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 0.6rem;
}

.tabla {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.tabla th {
  text-align: left;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.tabla td {
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid #191510;
  color: var(--text);
  white-space: nowrap;
}

#tabla-historial tbody td {
  opacity: var(--fila-opacidad, 1);
}

.tabla th:nth-child(n + 3),
.tabla td:nth-child(n + 3) {
  text-align: right;
}

.tabla tbody tr:last-child td {
  border-bottom: none;
}

.tabla.tabla--codigos {
  min-width: 0;
  width: auto;
  table-layout: auto;
}

.tabla.tabla--codigos th:nth-child(n + 2),
.tabla.tabla--codigos td:nth-child(n + 2) {
  text-align: center;
}

.marca-estricto {
  color: var(--accent);
  font-size: 0.62em;
  letter-spacing: 0.05em;
}

.marca-diario {
  color: var(--accent-secondary);
  font-size: 0.62em;
  letter-spacing: 0.05em;
}

/* ----------------------------------------------------------- estadísticas */
.estadistica {
  margin-top: 1.1rem;
}

.estadistica__titulo {
  margin: 0 0 0.5rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.barra-h {
  display: grid;
  grid-template-columns: 7.5rem 1fr 4.5rem;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  font-size: 0.78rem;
}

.barra-h__etiqueta {
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.barra-h__pista {
  height: 8px;
  border-radius: 999px;
  background: #1b1711;
  overflow: hidden;
}

.barra-h__pista i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.barra-h__valor {
  text-align: right;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muted);
}

.lista-confusiones {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.3rem;
}

.lista-confusiones li {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid #191510;
  font-size: 0.82rem;
}

.lista-confusiones li span {
  color: var(--text);
}

.lista-confusiones li b {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}

.grafica-dias {
  display: block;
  width: 100%;
  height: 130px;
}

.barra-dia {
  fill: var(--accent);
  opacity: 0.85;
}

@media (max-width: 420px) {
  .barra-h {
    grid-template-columns: 5.5rem 1fr 4rem;
    font-size: 0.72rem;
  }
}

/* ---------------------------------------------------------------- pie */
.pie {
  margin-top: 3rem;
  padding: 1.6rem 0 2.4rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.como summary {
  cursor: pointer;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  width: fit-content;
}

.como__cuerpo {
  max-width: 70ch;
  margin-top: 0.7rem;
}

.como + .como {
  margin-top: 1rem;
}

.como__cuerpo .boton {
  margin-top: 0.8rem;
}

.como code {
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--accent-2);
}

.firma {
  margin: 1.4rem 0 0;
}

.error {
  padding: 2rem;
  color: var(--bad);
  font-family: var(--mono);
}

/* ---------------------------------------------------------------- móvil */
@media (max-width: 720px) {
  .cabecera {
    padding-top: 1.6rem;
  }

  .cabecera__interior {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem;
  }

  .cabecera__meta {
    display: none;
  }

  .marca-sitio {
    order: -1;
    width: 100%;
    text-align: center;
  }

  .tamanos {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem;
  }

  .tamano {
    min-height: 74px;
    padding: 0.55rem 0.5rem;
  }

  .tamano span {
    font-size: 0.68rem;
  }

  .pasos {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .desglose {
    grid-template-columns: repeat(2, 1fr);
  }

  .metricas {
    grid-template-columns: repeat(2, 1fr);
  }

  .comparacion {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }

  .comparacion .tablero-marco {
    max-width: 420px;
  }

  .secuencia__cuerpo {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }

  .secuencia__cuerpo .tablero-marco {
    max-width: 420px;
  }

  .secuencia__controles .boton {
    flex: 1 1 auto;
  }

  .tabla {
    width: 100%;
    min-width: 0;
    table-layout: fixed;
  }

  .tabla th,
  .tabla td {
    white-space: normal;
    overflow-wrap: anywhere;
    padding-inline: 0.2rem;
  }

  .tabla th {
    font-size: 0.55rem;
    letter-spacing: 0.03em;
    overflow-wrap: normal;
  }

  .tabla th:nth-child(1),
  .tabla td:nth-child(1) {
    width: 40%;
  }

  .tabla th:nth-child(2),
  .tabla td:nth-child(2) {
    width: 30%;
  }

  .tabla th:nth-child(5),
  .tabla td:nth-child(5) {
    width: 30%;
  }

  /* En el teléfono el historial se queda con fecha, tablero y puntos. */
  #tabla-historial th:nth-child(3),
  #tabla-historial td:nth-child(3),
  #tabla-historial th:nth-child(4),
  #tabla-historial td:nth-child(4) {
    display: none;
  }

  #stats-tamanos {
    table-layout: auto;
  }

  #stats-tamanos th,
  #stats-tamanos td {
    white-space: nowrap;
  }
}

@media (max-width: 420px) {
  .tamanos {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.4rem;
  }

  .tamano b {
    font-size: 0.95rem;
  }

  .desglose {
    grid-template-columns: 1fr;
  }
}

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

  .cielo {
    animation: none;
  }
}