/* ───────────────────────── Tokens ───────────────────────── */
:root {
  color-scheme: dark;
  --fondo: #05070f;
  --fondo-2: #0b1020;
  --tinta: #e9ecf5;
  --tinta-2: #9aa3b8;
  --borde: rgba(255, 255, 255, 0.08);
  --vidrio: rgba(12, 17, 34, 0.72);
  --acento: #8ab4f8;
  --radio: 10px;
  --fuente-titulos: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --fuente: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* Colores por categoría */
  --cat-alcalino: #ff6b6b;
  --cat-alcalinoterreo: #ffa94d;
  --cat-transicion: #ffd43b;
  --cat-postransicion: #69db7c;
  --cat-metaloide: #38d9a9;
  --cat-no-metal: #4dabf7;
  --cat-halogeno: #9775fa;
  --cat-gas-noble: #f783ac;
  --cat-lantanido: #e599f7;
  --cat-actinido: #ff8787;
  --cat-desconocido: #868e96;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--fuente);
  color: var(--tinta);
  background: radial-gradient(1200px 600px at 20% -10%, #14204a 0%, transparent 60%),
              radial-gradient(900px 500px at 110% 20%, #2a1446 0%, transparent 55%),
              var(--fondo);
  overflow-x: clip;
}
html { overflow-x: clip; }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3 { font-family: var(--fuente-titulos); margin: 0; letter-spacing: -0.01em; }

.estrellas { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }

/* ───────────────────────── Cabecera ───────────────────────── */
.cabecera {
  display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: flex-end; justify-content: space-between;
  padding: clamp(1rem, 3vw, 2rem) clamp(1rem, 3vw, 2.5rem) 0.5rem;
}
.titulo h1 { font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700; }
.brillo {
  background: linear-gradient(90deg, #8ab4f8, #e599f7, #ffd43b, #8ab4f8);
  background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: deslizar 9s linear infinite;
}
@keyframes deslizar { to { background-position: 300% 0; } }
.subtitulo-pagina { margin: 0.35rem 0 0; color: var(--tinta-2); max-width: 60ch; }

.controles-voz { display: flex; gap: 0.9rem; align-items: flex-end; flex-wrap: wrap; }
.campo { display: grid; gap: 0.25rem; font-size: 0.75rem; color: var(--tinta-2); }
.campo-check { justify-items: start; }
.campo-check input { width: 1.3rem; height: 1.3rem; accent-color: var(--acento); margin: 0.45rem 0; }
.campo.atenuado select { opacity: 0.5; }
.campo kbd { font: inherit; font-size: 0.65rem; border: 1px solid var(--borde); border-radius: 4px; padding: 0 0.3rem; color: var(--tinta-2); }
.campo select, .campo input[type=range], .campo input[type=search] {
  background: var(--vidrio); border: 1px solid var(--borde); color: var(--tinta); border-radius: 8px; padding: 0.4rem 0.6rem;
  min-width: 11rem; max-width: 16rem;
}
.campo input[type=range] { padding: 0.6rem 0.4rem; accent-color: var(--acento); }
.campo input[type=search]:focus { outline: none; border-color: var(--acento); box-shadow: 0 0 0 3px rgba(138, 180, 248, 0.2); }
.btn-icono {
  background: var(--vidrio); border: 1px solid var(--borde); border-radius: 8px; width: 2.5rem; height: 2.5rem; font-size: 1.1rem;
}
.btn-icono:hover { border-color: var(--acento); }
.btn-icono.apagado { opacity: 0.45; text-decoration: line-through; }
.idiomas { display: flex; gap: 0.3rem; }
.bandera { font-size: 1.25rem; line-height: 1; opacity: 0.45; filter: grayscale(0.6); transition: opacity 0.2s, filter 0.2s, transform 0.2s, box-shadow 0.3s; }
.bandera:hover { opacity: 0.85; filter: none; }
.bandera.activo {
  opacity: 1; filter: none; transform: scale(1.08); border-color: var(--acento);
  box-shadow: 0 0 0 2px rgba(138, 180, 248, 0.55), 0 0 18px rgba(138, 180, 248, 0.6), 0 0 36px rgba(229, 153, 247, 0.35);
  animation: aura 2.4s ease-in-out infinite;
}
@keyframes aura { 0%, 100% { box-shadow: 0 0 0 2px rgba(138, 180, 248, 0.55), 0 0 18px rgba(138, 180, 248, 0.6), 0 0 36px rgba(229, 153, 247, 0.35); } 50% { box-shadow: 0 0 0 2px rgba(138, 180, 248, 0.8), 0 0 26px rgba(138, 180, 248, 0.9), 0 0 48px rgba(229, 153, 247, 0.5); } }
.aviso { margin: 0.5rem clamp(1rem, 3vw, 2.5rem); padding: 0.6rem 0.9rem; border-radius: 8px; background: #3b2a0a; color: #ffe8a3; font-size: 0.85rem; }

/* ───────────────────────── Experiencias ───────────────────────── */
.experiencias {
  display: flex; gap: 0.5rem; flex-wrap: wrap; padding: 0.75rem clamp(1rem, 3vw, 2.5rem);
}
.experiencia {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.5rem 0.9rem; border-radius: 999px;
  background: var(--vidrio); border: 1px solid var(--borde); backdrop-filter: blur(8px);
  font-weight: 500; font-size: 0.9rem; transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.experiencia .icono { font-size: 1.1rem; }
.experiencia:hover { transform: translateY(-2px); border-color: rgba(138, 180, 248, 0.6); }
.experiencia.activo {
  background: linear-gradient(135deg, rgba(138, 180, 248, 0.25), rgba(229, 153, 247, 0.25));
  border-color: var(--acento); box-shadow: 0 0 24px rgba(138, 180, 248, 0.35);
}

.panel-modo {
  margin: 0 clamp(1rem, 3vw, 2.5rem); overflow: hidden;
  max-height: 0; opacity: 0; transition: max-height 0.45s ease, opacity 0.35s ease, padding 0.3s;
  border-radius: var(--radio);
}
.panel-modo.visible {
  max-height: 75vh; opacity: 1; padding: 0.9rem 1rem; margin-bottom: 0.25rem; overflow-y: auto;
  background: var(--vidrio); border: 1px solid var(--borde); backdrop-filter: blur(10px);
}
.nota { color: var(--tinta-2); font-size: 0.85rem; margin: 0.5rem 0 0; }
.leyenda-modo { display: flex; flex-wrap: wrap; gap: 0.4rem 0.8rem; }
.chip {
  display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; color: var(--tinta);
  background: rgba(255, 255, 255, 0.04); border: 1px solid var(--borde); border-radius: 999px; padding: 0.25rem 0.65rem 0.25rem 0.4rem;
}
.chip i { width: 0.8rem; height: 0.8rem; border-radius: 50%; background: var(--c); box-shadow: 0 0 10px var(--c); }
button.chip:hover, .chip.activo { border-color: var(--c, var(--acento)); background: rgba(255, 255, 255, 0.08); }
.botones { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; align-items: center; }
.btn {
  padding: 0.5rem 0.9rem; border-radius: 8px; border: 1px solid transparent;
  background: linear-gradient(135deg, #8ab4f8, #c084fc); color: #0b1020; font-weight: 600; transition: transform 0.15s, filter 0.15s;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.08); }
.btn.secundario { background: rgba(255, 255, 255, 0.06); color: var(--tinta); border-color: var(--borde); font-weight: 500; }

/* Tarjeta de curiosidad al azar */
.tarjeta { display: flex; gap: 1rem; align-items: flex-start; }
.tarjeta-sym {
  flex: 0 0 auto; width: 4.5rem; height: 4.5rem; display: grid; place-items: center; border-radius: 14px;
  font-family: var(--fuente-titulos); font-weight: 700; font-size: 1.8rem; color: var(--c);
  background: color-mix(in srgb, var(--c) 14%, transparent); border: 1px solid color-mix(in srgb, var(--c) 55%, transparent);
  box-shadow: 0 0 30px color-mix(in srgb, var(--c) 45%, transparent);
  animation: latido 1.8s ease-in-out infinite;
}
.tarjeta h3 { font-size: 1.2rem; }
.tarjeta h3 small { color: var(--tinta-2); font-weight: 400; font-size: 0.85rem; }
.tarjeta p { margin: 0.4rem 0 0; line-height: 1.55; }

/* Línea de tiempo y termómetro */
.linea-tiempo .anio, .termometro .lectura {
  font-family: var(--fuente-titulos); font-size: clamp(1.6rem, 4vw, 2.6rem); font-weight: 700; letter-spacing: 0.02em;
  background: linear-gradient(90deg, #ffd43b, #ff8787); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.linea-tiempo input, .termometro input { width: 100%; accent-color: var(--acento); margin: 0.5rem 0; }
.contador { color: var(--tinta-2); font-size: 0.85rem; }
.hito { margin: 0.6rem 0 0; font-size: 0.95rem; color: #ffe8a3; }
.hito.nuevo { animation: destello 0.8s ease; }
@keyframes destello { from { opacity: 0; transform: translateY(4px); } }

/* ───────────────────────── Tabla ───────────────────────── */
.tabla-envoltorio { padding: 0.5rem clamp(0.5rem, 2vw, 2.5rem) 0.25rem; overflow-x: auto; }
.tabla {
  --gap: clamp(2px, 0.4vw, 6px);
  display: grid;
  grid-template-columns: repeat(18, minmax(0, 1fr));
  grid-template-rows: repeat(7, auto) 0.9rem repeat(2, auto) auto;
  gap: var(--gap);
  min-width: 860px;
  max-width: 1500px;
  margin: 0 auto;
  position: relative;
}
.celda {
  --c: #8ab4f8;
  position: relative; aspect-ratio: 1; border-radius: 7px; padding: 0; border: 1px solid color-mix(in srgb, var(--c) 40%, transparent);
  background: linear-gradient(160deg, color-mix(in srgb, var(--c) 16%, #0b1020), color-mix(in srgb, var(--c) 6%, #070a14));
  color: var(--tinta); display: flex; flex-direction: column; align-items: center; justify-content: center;
  transition: transform 0.25s cubic-bezier(.2,.8,.2,1), box-shadow 0.25s, opacity 0.45s, filter 0.45s, background 0.3s, border-color 0.3s;
  animation: aparecer 0.6s cubic-bezier(.2,.8,.2,1) both; animation-delay: calc(var(--i) * 9ms);
  overflow: hidden;
}
@keyframes aparecer { from { opacity: 0; transform: translateY(10px) scale(0.85); } }
.celda .z { position: absolute; top: 3px; left: 5px; font-size: clamp(0.45rem, 0.75vw, 0.65rem); color: var(--tinta-2); line-height: 1; }
.celda .sym {
  font-family: var(--fuente-titulos); font-weight: 700; font-size: clamp(0.75rem, 1.55vw, 1.35rem); line-height: 1; color: var(--c);
  text-shadow: 0 0 14px color-mix(in srgb, var(--c) 65%, transparent);
}
.celda .nom { font-size: clamp(0.38rem, 0.62vw, 0.56rem); color: var(--tinta-2); margin-top: 3px; max-width: 94%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.celda .masa { font-size: clamp(0.36rem, 0.58vw, 0.52rem); color: var(--tinta-2); opacity: 0.7; margin-top: 1px; font-variant-numeric: tabular-nums; }
.celda:has(.extra:not(:empty)) .masa, .tabla.compacta .celda .masa { display: none; }
.celda .extra { position: absolute; bottom: 2px; left: 2px; right: 2px; font-size: clamp(0.38rem, 0.6vw, 0.55rem); font-weight: 600; color: var(--c); text-align: center; line-height: 1; pointer-events: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.celda .extra:not(:empty) ~ .nom, .celda:has(.extra:not(:empty)) .nom { opacity: 0; }

.celda:hover, .celda:focus-visible {
  transform: scale(1.32); z-index: 5; outline: none;
  background: linear-gradient(160deg, color-mix(in srgb, var(--c) 34%, #0b1020), color-mix(in srgb, var(--c) 14%, #070a14));
  border-color: var(--c);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--c) 60%, transparent), 0 0 28px color-mix(in srgb, var(--c) 70%, transparent), 0 14px 40px rgba(0, 0, 0, 0.6);
}
.celda:hover .nom, .celda:focus-visible .nom { opacity: 1; }
.celda:active { transform: scale(1.2); }

.marcador {
  display: grid; place-items: center; align-content: center; gap: 2px; border-radius: 7px; border: 1px dashed var(--borde);
  font-size: clamp(0.4rem, 0.7vw, 0.6rem); color: var(--tinta-2); aspect-ratio: 1; background: transparent; padding: 0;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s, color 0.25s;
}
.marcador .interrogante { font-family: var(--fuente-titulos); font-weight: 700; font-size: clamp(0.7rem, 1.3vw, 1.1rem); color: var(--acento); opacity: 0.8; }
.marcador:hover, .marcador:focus-visible { transform: scale(1.2); border-style: solid; border-color: var(--acento); color: var(--tinta); box-shadow: 0 0 18px rgba(138, 180, 248, 0.45); outline: none; z-index: 4; }
.marcador.activo { border-style: solid; border-color: var(--acento); box-shadow: 0 0 22px rgba(138, 180, 248, 0.6); color: var(--tinta); animation: latido 1.8s ease-in-out infinite; }
.tabla.con-modo .marcador { opacity: 1; }
.tabla.compacta .marcador .interrogante { display: none; }
.eje { font-size: 0.55rem; color: #4b5368; text-align: center; padding-top: 2px; }

/* Categorías */
.cat-alcalino { --c: var(--cat-alcalino); }
.cat-alcalinoterreo { --c: var(--cat-alcalinoterreo); }
.cat-transicion { --c: var(--cat-transicion); }
.cat-postransicion { --c: var(--cat-postransicion); }
.cat-metaloide { --c: var(--cat-metaloide); }
.cat-no-metal { --c: var(--cat-no-metal); }
.cat-halogeno { --c: var(--cat-halogeno); }
.cat-gas-noble { --c: var(--cat-gas-noble); }
.cat-lantanido { --c: var(--cat-lantanido); }
.cat-actinido { --c: var(--cat-actinido); }
.cat-desconocido { --c: var(--cat-desconocido); }

/* Estados de modo */
.tabla.con-modo .celda:not(.activa) { opacity: 0.16; filter: grayscale(0.85); }
.tabla.con-modo .celda:not(.activa):hover { opacity: 0.7; filter: none; }
.celda.activa {
  border-color: color-mix(in srgb, var(--c) 75%, transparent);
  box-shadow: 0 0 18px color-mix(in srgb, var(--c) 45%, transparent), inset 0 0 12px color-mix(in srgb, var(--c) 20%, transparent);
}
.celda.resaltada {
  transform: scale(1.18); z-index: 4; border-color: #fff;
  box-shadow: 0 0 24px color-mix(in srgb, var(--c) 90%, white), 0 0 50px color-mix(in srgb, var(--c) 60%, transparent);
  background: color-mix(in srgb, var(--c) 45%, #0b1020);
}
.celda.spotlight {
  transform: scale(1.9); z-index: 10; border-color: #fff;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--c) 80%, transparent), 0 0 50px var(--c), 0 20px 60px rgba(0, 0, 0, 0.7);
  animation: latido 1.8s ease-in-out infinite;
}
.celda.spotlight .nom { opacity: 1; }
@keyframes latido { 0%, 100% { filter: brightness(1); } 50% { filter: brightness(1.35); } }

/* Mención en la narración: el elemento nombrado se enciende en la tabla */
.celda.mencion, .tabla.con-modo .celda.mencion {
  opacity: 1; filter: none; z-index: 12; border-color: #fff;
  transform: scale(1.75);
  box-shadow: 0 0 0 3px #fff, 0 0 0 7px color-mix(in srgb, var(--c) 70%, transparent), 0 0 60px var(--c), 0 20px 60px rgba(0, 0, 0, 0.7);
  background: color-mix(in srgb, var(--c) 45%, #0b1020);
  animation: mencionar 2.4s cubic-bezier(.2,.9,.2,1) both;
}
.celda.mencion .nom { opacity: 1; }
.celda.mencion::after {
  content: ''; position: absolute; inset: -4px; border-radius: 10px; border: 2px solid #fff; pointer-events: none;
  animation: onda-mencion 1.2s ease-out infinite;
}
@keyframes mencionar {
  0% { transform: scale(1); }
  12% { transform: scale(2); filter: brightness(1.6); }
  25% { transform: scale(1.75); filter: brightness(1.2); }
  85% { transform: scale(1.75); opacity: 1; }
  100% { transform: scale(1); }
}
@keyframes onda-mencion { from { transform: scale(1); opacity: 0.9; } to { transform: scale(1.9); opacity: 0; } }
.tabla.con-mencion .celda:not(.mencion) { transition-duration: 0.6s; }
.subtitulos p span.elemento { color: var(--c); font-weight: 600; text-shadow: 0 0 12px color-mix(in srgb, var(--c) 60%, transparent); }
.subtitulos p span.elemento.actual { color: #fff; text-shadow: 0 0 16px var(--c); }

/* Mención de un grupo o familia: todas sus celdas se encienden a la vez, con menos aumento */
.celda.mencion-grupo, .tabla.con-modo .celda.mencion-grupo {
  opacity: 1; filter: none; z-index: 6; border-color: #fff; transform: scale(1.12);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--c) 80%, white), 0 0 28px var(--c);
  background: color-mix(in srgb, var(--c) 40%, #0b1020);
  animation: mencion-grupo 3s cubic-bezier(.2,.9,.2,1) both;
}
.celda.mencion-grupo .nom { opacity: 1; }
@keyframes mencion-grupo { 0% { transform: scale(1); } 10% { transform: scale(1.22); filter: brightness(1.5); } 25% { transform: scale(1.12); filter: brightness(1.15); } 85% { transform: scale(1.12); } 100% { transform: scale(1); } }

/* Cuerpo humano */
.celda.nivel-mayor { --c: #4dabf7; }
.celda.nivel-menor { --c: #74c0fc; }
.celda.nivel-traza { --c: #a5d8ff; opacity: 0.85; }
.celda.nivel-mayor .sym { font-size: clamp(0.9rem, 1.8vw, 1.6rem); }

/* Radiactividad */
.celda.radiactivo { animation: radiar 1.6s ease-in-out infinite; animation-delay: calc(var(--i) * 37ms); }
.celda.radiactivo .extra { font-size: clamp(0.6rem, 1vw, 0.9rem); bottom: 1px; }
@keyframes radiar {
  0%, 100% { box-shadow: 0 0 8px color-mix(in srgb, var(--c) 40%, transparent); }
  50% { box-shadow: 0 0 26px var(--c), inset 0 0 14px color-mix(in srgb, var(--c) 45%, transparent); }
}

/* Temperatura */
.tabla.modo-temperatura { --calor: 0.05; }
.celda.estado-solido { --c: #74c0fc; }
.celda.estado-liquido { --c: #20c997; animation: ondular 2.2s ease-in-out infinite; }
.celda.estado-gas { --c: #ffd43b; opacity: 0.7 !important; animation: flotar 3s ease-in-out infinite; animation-delay: calc(var(--i) * -53ms); }
.celda.estado-gas .sym { filter: blur(0.3px); }
.celda.estado-desconocido { --c: #495057; opacity: 0.35 !important; }
@keyframes ondular { 0%, 100% { border-radius: 7px; } 50% { border-radius: 40% 60% 55% 45% / 55% 45% 60% 40%; } }
@keyframes flotar { 0%, 100% { translate: 0 0; } 50% { translate: 0 -4px; } }
.tabla.modo-temperatura::before {
  content: ''; position: absolute; inset: -10px; border-radius: 16px; pointer-events: none; z-index: -1;
  background: radial-gradient(60% 50% at 50% 100%, rgba(255, 120, 50, calc(var(--calor) * 0.35)), transparent 70%);
  transition: background 0.3s;
}

/* Viaje en el tiempo */
.tabla.modo-tiempo .celda.oculta { opacity: 0.05; filter: grayscale(1); transform: scale(0.8); }
.celda.aparece { animation: brotar 0.7s cubic-bezier(.2,.9,.2,1.2); }
@keyframes brotar { 0% { transform: scale(0.6); filter: brightness(3); } 60% { transform: scale(1.25); } 100% { transform: scale(1); filter: brightness(1); } }

/* Llamas */
.tabla.modo-llama .celda.llama { overflow: visible; }
.celda.llama::before, .celda.llama::after {
  content: ''; position: absolute; left: 50%; bottom: 55%; width: 55%; height: 80%; translate: -50% 0;
  border-radius: 50% 50% 35% 35% / 65% 65% 35% 35%;
  background: radial-gradient(ellipse at 50% 100%, #fff 0%, var(--llama) 35%, transparent 72%);
  filter: blur(2px); opacity: 0; transform-origin: 50% 100%; pointer-events: none; z-index: -1;
  transition: opacity 0.3s;
}
.celda.llama::after { width: 35%; height: 60%; filter: blur(1px); animation-delay: -0.4s; }
.celda.llama:hover::before, .celda.llama:hover::after, .celda.llama:focus-visible::before, .celda.llama:focus-visible::after {
  opacity: 0.95; animation: arder 0.5s ease-in-out infinite alternate;
}
@keyframes arder { from { transform: scaleY(1) skewX(-3deg); } to { transform: scaleY(1.25) skewX(4deg); } }
.celda.llama { box-shadow: 0 0 16px color-mix(in srgb, var(--llama) 50%, transparent); }

/* Escalas (abundancia, precio) */
.escala-cuerpo { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0.5rem 1.5rem; margin-top: 0.6rem; align-items: start; }
.podio { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.3rem; }
.podio h4 { margin: 0 0 0.2rem; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--tinta-2); }
.podio li { display: grid; grid-template-columns: 2.2rem 6.5rem minmax(0, 1fr) auto; gap: 0.5rem; align-items: center; font-size: 0.8rem; }
.podio-sym { font-family: var(--fuente-titulos); font-weight: 700; color: var(--c); text-shadow: 0 0 10px var(--c); }
.podio-nombre { color: var(--tinta-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.podio-barra { height: 8px; border-radius: 4px; background: rgba(255, 255, 255, 0.06); overflow: hidden; }
.podio-barra i { display: block; height: 100%; width: var(--w); background: var(--c); box-shadow: 0 0 10px var(--c); animation: crecer 0.9s cubic-bezier(.2,.8,.2,1) both; }
@keyframes crecer { from { width: 0; } }
.podio-valor { font-variant-numeric: tabular-nums; white-space: nowrap; }
@media (max-width: 720px) { .escala-cuerpo { grid-template-columns: 1fr; } }

/* Tamaño del átomo: círculo proporcional al radio */
.tabla.modo-radio .celda.activa::before {
  content: ''; position: absolute; left: 50%; top: 50%; translate: -50% -50%;
  width: calc(22% + var(--r, 0) * 70%); aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--c) 55%, transparent), color-mix(in srgb, var(--c) 10%, transparent) 70%, transparent 72%);
  pointer-events: none; z-index: 0; transition: width 0.4s;
}
.tabla.modo-radio .celda.activa > * { position: relative; z-index: 1; }
.tabla.modo-radio .celda.activa .z, .tabla.modo-radio .celda.activa .extra { position: absolute; }

/* Espectros de emisión */
.espectro { display: grid; gap: 0.3rem; }
.espectro-cab { display: flex; gap: 1rem; align-items: baseline; flex-wrap: wrap; }
.espectro-cab strong { font-family: var(--fuente-titulos); font-size: 1.1rem; }
#esp-canvas { width: 100%; height: 80px; border-radius: 8px; background: #000; border: 1px solid var(--borde); }
.espectro-escala { display: flex; justify-content: space-between; font-size: 0.65rem; color: var(--tinta-2); }

/* Lo que comes: el emoji del alimento en la celda */
.tabla.modo-comida .celda .extra { font-size: clamp(0.75rem, 1.3vw, 1.2rem); bottom: 3px; line-height: 1; }

/* Los que no existían: huecos predichos por Mendeléyev */
.celda.prediccion { border: 2px dashed var(--acento); background: rgba(138, 180, 248, 0.08); animation: latido 2s ease-in-out infinite; opacity: 1 !important; filter: none !important; transform: none; }
.celda.prediccion .sym { opacity: 0.35; }
.celda.prediccion .extra { font-size: clamp(0.4rem, 0.65vw, 0.6rem); color: var(--acento); }
.tabla-predicciones { width: 100%; border-collapse: collapse; font-size: 0.85rem; margin-top: 0.5rem; }
.tabla-predicciones th, .tabla-predicciones td { text-align: left; padding: 0.35rem 0.5rem; border-bottom: 1px solid var(--borde); }
.tabla-predicciones th { color: var(--tinta-2); font-weight: 500; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* Medicina nuclear: silueta con órganos de destino */
.medicina { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; align-items: start; }
.medicina-cuerpo.solo-panel { display: none; }
.cuerpo-mapa { width: 100%; --c: var(--acento); }
/* Silueta dentro del hueco vacío de la tabla (escritorio) */
.cuerpo-en-tabla { grid-column: 3 / 13; grid-row: 1 / 4; position: relative; pointer-events: none; z-index: 2; min-height: 0; }
.cuerpo-en-tabla svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.cuerpo-en-tabla text { font-size: 16px; }
.cuerpo-mapa .silueta { fill: rgba(255, 255, 255, 0.06); stroke: rgba(255, 255, 255, 0.35); stroke-width: 1.5; }
.cuerpo-mapa .organo { fill: rgba(255, 255, 255, 0.08); stroke: rgba(255, 255, 255, 0.25); stroke-width: 1; transition: fill 0.3s, stroke 0.3s; }
.cuerpo-mapa .organo.activo { fill: var(--c); stroke: #fff; stroke-width: 2; filter: drop-shadow(0 0 8px var(--c)); animation: organo 1.4s ease-in-out infinite; }
@keyframes organo { 0%, 100% { r: 9; } 50% { r: 13; } }
.cuerpo-mapa text { fill: var(--tinta); font-size: 11px; font-family: var(--fuente); paint-order: stroke; stroke: rgba(5, 7, 15, 0.9); stroke-width: 3px; }
.medicina-detalle { margin-top: 0.6rem; }
.medicina-detalle p { line-height: 1.55; margin: 0.4rem 0 0; }
.medicina-detalle .punto { display: inline-block; width: 0.8em; height: 0.8em; border-radius: 50%; background: var(--c); box-shadow: 0 0 10px var(--c); margin-right: 0.5rem; vertical-align: middle; }
@media (max-width: 820px) {
  .cuerpo-en-tabla { display: none; }
  .medicina { grid-template-columns: minmax(120px, 150px) minmax(0, 1fr); }
  .medicina-cuerpo.solo-panel { display: block; }
  .cuerpo-mapa { max-height: 40vh; }
}

/* Vida media: mil átomos desintegrándose */
.desintegracion { margin-top: 0.6rem; display: grid; gap: 0.3rem; }
.desintegracion-cab { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: baseline; }
.desintegracion-cab strong { font-family: var(--fuente-titulos); font-size: 1.05rem; }
#vm-canvas { width: 100%; height: 110px; border-radius: 8px; background: rgba(0, 0, 0, 0.35); border: 1px solid var(--borde); }

/* Minas del mundo */
.tabla.modo-minas .celda .extra { font-size: clamp(0.6rem, 1vw, 0.95rem); bottom: 2px; line-height: 1; letter-spacing: -1px; }
.celda.critico { outline: 2px solid rgba(255, 255, 255, 0.7); outline-offset: -2px; }
.chip-criticos i { background: #fff; }

/* Venenos */
.celda.veneno { box-shadow: 0 0 18px rgba(157, 255, 0, 0.45), inset 0 0 14px rgba(157, 255, 0, 0.15); }
.celda.veneno .extra { font-size: clamp(0.6rem, 1vw, 0.9rem); bottom: 1px; }

/* Quiz */
.quiz-cab { display: flex; justify-content: space-between; gap: 1rem; color: var(--tinta-2); font-size: 0.85rem; }
.quiz-pregunta { font-size: clamp(1.1rem, 2.4vw, 1.5rem); margin: 0.4rem 0 0; }
.celda.correcto {
  --c: #51cf66; z-index: 6; border-color: #fff;
  animation: acierto 0.9s cubic-bezier(.2,.9,.2,1.2) both;
  box-shadow: 0 0 0 2px rgba(81, 207, 102, 0.6), 0 0 40px #51cf66;
}
@keyframes acierto { 0% { transform: scale(1); } 45% { transform: scale(1.8); box-shadow: 0 0 70px #51cf66; } 100% { transform: scale(1.45); } }
.celda.incorrecto { --c: #ff6b6b; animation: temblar 0.45s ease; }
@keyframes temblar { 0%, 100% { translate: 0 0; } 20% { translate: -6px 0; } 40% { translate: 6px 0; } 60% { translate: -4px 0; } 80% { translate: 4px 0; } }

/* ───────────────────────── Leyenda ───────────────────────── */
.leyenda { display: flex; flex-wrap: wrap; gap: 0.4rem 0.6rem; padding: 0.75rem clamp(1rem, 3vw, 2.5rem) 6rem; justify-content: center; }
.chip-cat { cursor: pointer; }

/* ───────────────────────── Ficha ───────────────────────── */
.detalle {
  --c: var(--acento);
  position: fixed; top: 0; right: 0; height: 100dvh; width: min(440px, 100vw); z-index: 40;
  background: linear-gradient(180deg, color-mix(in srgb, var(--c) 10%, var(--fondo-2)), var(--fondo-2) 40%);
  border-left: 1px solid color-mix(in srgb, var(--c) 35%, transparent);
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.55);
  transform: translateX(105%); transition: transform 0.45s cubic-bezier(.2,.8,.2,1);
  padding: 1.25rem 1.25rem 2rem; overflow-y: auto; overflow-x: hidden;
}
.detalle.abierto { transform: translateX(0); }
.detalle .cerrar {
  position: absolute; top: 0.9rem; right: 0.9rem; width: 2.2rem; height: 2.2rem; border-radius: 50%;
  background: rgba(255, 255, 255, 0.06); border: 1px solid var(--borde);
}
.detalle .cerrar:hover { border-color: var(--c); }
.detalle-cab { display: flex; gap: 1rem; align-items: center; margin-right: 2.5rem; }
.d-sym-bloque {
  width: 5rem; height: 5rem; border-radius: 16px; display: grid; place-items: center; position: relative;
  background: color-mix(in srgb, var(--c) 16%, transparent); border: 1px solid color-mix(in srgb, var(--c) 60%, transparent);
  box-shadow: 0 0 30px color-mix(in srgb, var(--c) 45%, transparent);
}
.d-z { position: absolute; top: 6px; left: 8px; font-size: 0.7rem; color: var(--tinta-2); }
.d-sym { font-family: var(--fuente-titulos); font-size: 2.2rem; font-weight: 700; color: var(--c); }
.d-nombre { font-size: 1.7rem; }
.d-cat { color: var(--tinta-2); font-size: 0.85rem; }
.atomo { display: block; width: min(280px, 100%); aspect-ratio: 1; margin: 1rem auto 0.5rem; }
.props { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0.5rem 1rem; margin: 0.75rem 0; }
.props div.ancho { grid-column: 1 / -1; }
.props div { background: rgba(255, 255, 255, 0.03); border: 1px solid var(--borde); border-radius: 8px; padding: 0.45rem 0.6rem; }
.props dt { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--tinta-2); }
.props dd { margin: 0.15rem 0 0; font-size: 0.9rem; font-weight: 500; overflow-wrap: anywhere; }
.d-curio-titulo { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c); margin-top: 1rem; }
.d-curio { line-height: 1.6; margin: 0.4rem 0 0; }
.d-extras { margin-top: 0.5rem; }
.d-extra { display: flex; gap: 0.6rem; align-items: flex-start; padding: 0.5rem 0; border-top: 1px solid var(--borde); }
.d-extra p { margin: 0; line-height: 1.55; flex: 1; font-size: 0.95rem; }
.btn-mini { width: 2rem; height: 2rem; font-size: 0.9rem; flex: 0 0 auto; }

.aviso-flotante {
  position: fixed; top: 1rem; left: 50%; translate: -50% 0; z-index: 60; max-width: min(560px, calc(100vw - 2rem));
  padding: 0.7rem 1rem; border-radius: 12px; background: #3b2a0a; color: #ffe8a3; border: 1px solid rgba(255, 232, 163, 0.4);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5); font-size: 0.9rem; opacity: 0; transform: translateY(-10px); pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
}
.aviso-flotante.visible { opacity: 1; transform: translateY(0); }

/* ───────────────────────── Subtítulos ───────────────────────── */
.subtitulos {
  position: fixed; left: 50%; bottom: 1rem; translate: -50% 0; z-index: 50;
  width: min(900px, calc(100vw - 2rem));
  display: grid; grid-template-columns: auto 1fr auto; gap: 0.9rem; align-items: center;
  padding: 0.8rem 1rem; border-radius: 14px;
  background: rgba(8, 11, 24, 0.86); border: 1px solid var(--borde); backdrop-filter: blur(14px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  opacity: 0; transform: translateY(20px); pointer-events: none;
  transition: opacity 0.35s, transform 0.35s;
}
.subtitulos.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.subtitulos p { margin: 0; font-size: clamp(0.95rem, 1.6vw, 1.15rem); line-height: 1.5; }
.subtitulos p span { transition: color 0.15s, text-shadow 0.15s; border-radius: 3px; }
.subtitulos p span.actual { color: #ffd43b; text-shadow: 0 0 14px rgba(255, 212, 59, 0.6); }
.onda { display: flex; gap: 3px; align-items: flex-end; height: 22px; width: 24px; }
.onda i { flex: 1; background: linear-gradient(180deg, #8ab4f8, #e599f7); border-radius: 2px; height: 30%; transition: height 0.3s; }
.subtitulos.hablando .onda i { animation: eq 0.9s ease-in-out infinite; }
.onda i:nth-child(2) { animation-delay: -0.2s; } .onda i:nth-child(3) { animation-delay: -0.4s; }
.onda i:nth-child(4) { animation-delay: -0.6s; } .onda i:nth-child(5) { animation-delay: -0.8s; }
@keyframes eq { 0%, 100% { height: 25%; } 50% { height: 100%; } }

/* ───────────────────────── Móvil y tableta ───────────────────────── */
.solo-movil { display: none; }
.ajustes-panel { display: contents; }
.tabla-barra { align-items: center; justify-content: space-between; gap: 0.5rem; padding: 0.25rem clamp(1rem, 3vw, 2.5rem) 0; font-size: 0.8rem; color: var(--tinta-2); }
.tabla-barra .gira { display: none; }
.tabla-botones { display: flex; gap: 0.4rem; }
.tabla-botones .btn { padding: 0.35rem 0.7rem; font-size: 0.8rem; }

/* Vista compacta: la tabla entera cabe en el ancho; solo símbolos */
.tabla.compacta { min-width: 0; --gap: 2px; }
.tabla.compacta .celda { border-radius: 3px; }
.tabla.compacta .celda .z, .tabla.compacta .celda .nom, .tabla.compacta .celda .extra { display: none; }
.tabla.compacta .celda .sym { font-size: clamp(0.5rem, 2.6vw, 0.9rem); }
.tabla.compacta .marcador { font-size: 0.4rem; }
.tabla.compacta .celda:hover { transform: none; }
.tabla.compacta .celda.seleccionada { transform: scale(1.6); z-index: 9; border-color: #fff; box-shadow: 0 0 0 2px #fff, 0 0 24px var(--c); }
.tabla.compacta .celda.mencion, .tabla.compacta.con-modo .celda.mencion { transform: scale(2.4); }
.tabla.compacta .celda.spotlight { transform: scale(2.4); }
.tabla.compacta .celda.correcto { transform: scale(2); }

/* Barra de selección (vista compacta): nombre del elemento tocado y botón para abrir la ficha */
.seleccion {
  position: fixed; left: 50%; bottom: 1rem; translate: -50% 0; z-index: 45;
  width: min(560px, calc(100vw - 2rem)); display: none; align-items: center; gap: 0.75rem;
  padding: 0.6rem 0.8rem; border-radius: 14px; background: rgba(8, 11, 24, 0.9); border: 1px solid color-mix(in srgb, var(--c, var(--acento)) 60%, transparent);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.6); backdrop-filter: blur(14px);
}
.seleccion.visible { display: flex; }
.seleccion .sel-sym { font-family: var(--fuente-titulos); font-weight: 700; font-size: 1.4rem; color: var(--c, var(--acento)); min-width: 2.2rem; text-align: center; }
.seleccion .sel-nombre { flex: 1; font-weight: 500; }
.subtitulos.visible ~ .seleccion, .seleccion.con-subtitulos { bottom: auto; top: 0.75rem; }

@media (max-width: 820px), (max-height: 520px) {
  .solo-movil { display: inline-flex; }
  .tabla-barra.solo-movil { display: flex; }
  .cabecera { gap: 0.6rem; padding-bottom: 0.25rem; }
  .titulo h1 { font-size: clamp(1.5rem, 7vw, 2.2rem); }
  .subtitulo-pagina { font-size: 0.85rem; }
  .controles-voz { width: 100%; gap: 0.5rem; align-items: center; flex-wrap: nowrap; }
  .campo.buscador { flex: 1; min-width: 0; }
  .campo.buscador > span { display: none; }
  .campo.buscador input { min-width: 0; width: 100%; font-size: 16px; }
  .ajustes-panel { display: none; width: 100%; order: 10; gap: 0.6rem; grid-template-columns: 1fr 1fr; }
  .ajustes-panel.abierto { display: grid; }
  .ajustes-panel .campo select, .ajustes-panel .campo input { min-width: 0; max-width: none; width: 100%; font-size: 16px; }
  .controles-voz { flex-wrap: wrap; }
  .experiencias { flex-wrap: nowrap; overflow-x: auto; scroll-snap-type: x proximity; padding-bottom: 0.5rem; scrollbar-width: none;
    mask-image: linear-gradient(90deg, transparent, #000 0.75rem, #000 calc(100% - 1.5rem), transparent); }
  .experiencias::-webkit-scrollbar { display: none; }
  .experiencia { flex: 0 0 auto; scroll-snap-align: start; font-size: 0.85rem; padding: 0.45rem 0.8rem; }
  .panel-modo.visible { max-height: 40vh; padding: 0.7rem 0.8rem; }
  .tabla { min-width: 760px; }
  .celda .masa { display: none; }
  .tabla-envoltorio { padding-left: 0.5rem; padding-right: 0.5rem; }
  .celda:hover { transform: none; }
  .subtitulos { bottom: 0.5rem; padding: 0.6rem 0.75rem; gap: 0.6rem; }
  .subtitulos p { font-size: 0.95rem; }
  .leyenda { padding-bottom: 7rem; }
}
@media (max-width: 600px) and (orientation: portrait) {
  .tabla-barra .gira { display: inline; }
}
@media (max-height: 520px) {
  .cabecera { padding-top: 0.5rem; }
  .subtitulo-pagina { display: none; }
  .titulo h1 { font-size: 1.4rem; }
  .experiencias { padding-top: 0.4rem; padding-bottom: 0.3rem; }
  .experiencia { font-size: 0.8rem; padding: 0.35rem 0.7rem; }
  .tabla-barra { display: none !important; }
  .tabla { min-width: 0; }
  .celda .nom { display: none; }
  .panel-modo.visible { max-height: 45vh; }
}

/* ───────────────────────── Responsive ───────────────────────── */
@media (max-width: 720px) {
  .cabecera { align-items: flex-start; }
  .props { grid-template-columns: 1fr; }
  .subtitulos { grid-template-columns: auto 1fr; }
  .subtitulos .btn { grid-column: 1 / -1; justify-self: end; }
  .leyenda { padding-bottom: 8rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}