/* ───────── Desafío de la Tabla Periódica ───────── */
:root {
  --bg: #0b0c2a;
  --panel: rgba(22, 24, 70, .82);
  --panel-solid: #17194a;
  --line: rgba(140, 150, 255, .25);
  --fg: #f1f2ff;
  --muted: #b3b6dd;
  --accent: #3fd0ff;
  --accent2: #c86bff;
  --gold: #ffd166;
  --ok: #3ddc97;
  --ko: #ff6b81;
  --font: "Atkinson Hyperlegible", system-ui, sans-serif;
  --title: "Montserrat", "Atkinson Hyperlegible", sans-serif;
  --fs: 16px;

  /* colores de familia */
  --f-alkali: #ff6b5b;
  --f-alkaline: #ffa94d;
  --f-transition: #4dabf7;
  --f-post: #a5b4c4;
  --f-lanthanide: #f783ac;
  --f-actinide: #b197fc;
  --f-metalloid: #51cf66;
  --f-nonmetal: #ffd43b;
  --f-halogen: #20c997;
  --f-noble: #cc5de8;

  --ss-panel: #1a1c52;
  --ss-fg: #f1f2ff;
  --ss-muted: #b3b6dd;
  --ss-accent: #6a5cff;
  --ss-line: rgba(150, 160, 255, .3);
  --ss-field: rgba(255, 255, 255, .06);
  --ss-ok: #3ddc97;
  --ss-ko: #ffa36b;
  --ss-danger: #ff6b81;
  --ss-font: var(--font);
  --ss-title-font: var(--title);
}
* { box-sizing: border-box; }
html { font-size: var(--fs); }
body { margin: 0; min-height: 100vh; font-family: var(--font); color: var(--fg); background: var(--bg); }
button { font: inherit; color: inherit; }
[hidden] { display: none !important; }

.bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(circle at 12% 18%, rgba(200, 107, 255, .35), transparent 38%),
    radial-gradient(circle at 88% 12%, rgba(63, 208, 255, .28), transparent 35%),
    radial-gradient(circle at 70% 95%, rgba(106, 92, 255, .35), transparent 45%),
    linear-gradient(160deg, #0b0c2a, #151055 60%, #0b0c2a);
}
.bg::after {
  content: ""; position: absolute; inset: 0; opacity: .5;
  background-image: radial-gradient(1px 1px at 20% 30%, #fff, transparent), radial-gradient(1px 1px at 60% 70%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 80% 40%, #fff, transparent), radial-gradient(1px 1px at 35% 85%, #fff, transparent);
  background-size: 260px 260px;
}

/* ───────── Barra superior */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 16px; background: rgba(11, 12, 42, .85); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; background: none; border: 0; cursor: pointer; padding: 2px; }
.brand-tile {
  position: relative; width: 38px; height: 38px; border-radius: 8px; display: grid; place-items: center;
  font-family: var(--title); font-weight: 800; font-size: 1.2rem; color: #1b1240;
  background: linear-gradient(135deg, var(--gold), #ffb347); box-shadow: 0 0 16px rgba(255, 209, 102, .45);
}
.brand-tile small { position: absolute; top: 2px; left: 4px; font-size: .55rem; }
.brand-text { font-family: var(--title); font-weight: 600; font-size: 1rem; text-align: left; line-height: 1.1; }
.brand-text b { display: block; font-weight: 800; color: var(--accent); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font-size: .85rem; padding: 6px 10px; border-radius: 99px; background: rgba(255, 255, 255, .07); border: 1px solid var(--line); white-space: nowrap; }
.chip b { color: var(--gold); }
.tools { display: flex; gap: 8px; margin-left: auto; }
.icon-btn { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); background: rgba(255, 255, 255, .06); cursor: pointer; font-weight: 700; }
.report-btn { border: 0; border-radius: 99px; padding: 8px 16px; cursor: pointer; font-weight: 700; color: #fff; background: linear-gradient(135deg, #6a5cff, #c86bff); box-shadow: 0 4px 18px rgba(150, 90, 255, .45); }
.icon-btn:hover, .report-btn:hover, .ghost-btn:hover, .main-btn:hover { filter: brightness(1.15); }
:is(button, input, select):focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
.a11y-menu { position: absolute; right: 16px; top: 100%; margin-top: 6px; background: var(--panel-solid); border: 1px solid var(--line); border-radius: 14px; padding: 10px 14px; box-shadow: 0 12px 40px rgba(0, 0, 0, .5); }
.a11y-menu label { display: flex; gap: 8px; align-items: center; padding: 6px 0; cursor: pointer; white-space: nowrap; }

main { max-width: 1240px; margin: 0 auto; padding: 18px 16px 60px; }
.screen { animation: enter .35s ease-out; }
@keyframes enter { from { opacity: 0; transform: translateY(10px); } }

/* ───────── Inicio */
.hero { text-align: center; margin: 8px auto 20px; max-width: 700px; }
.hero h1 { font-family: var(--title); font-weight: 800; font-size: clamp(1.5rem, 4.5vw, 2.4rem); margin: 0 0 8px;
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--gold)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--muted); margin: 0; line-height: 1.5; }
.sec-title { font-family: var(--title); font-size: 1rem; letter-spacing: .04em; margin: 22px 0 10px; color: var(--muted); }
.sec-title small { font-family: var(--font); font-weight: 400; margin-left: 8px; }
.levels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.level {
  text-align: left; cursor: pointer; padding: 14px 16px; border-radius: 16px;
  background: var(--panel); border: 2px solid var(--line); transition: transform .15s, border-color .15s;
}
.level:hover { transform: translateY(-2px); }
.level[aria-checked="true"] { border-color: var(--lc); box-shadow: 0 0 0 3px color-mix(in srgb, var(--lc) 35%, transparent); }
.level b { font-family: var(--title); font-size: 1.1rem; color: var(--lc); display: block; }
.level span { display: block; color: var(--muted); font-size: .88rem; margin-top: 2px; }
.level small { display: block; margin-top: 6px; font-size: .8rem; }
.lv-easy { --lc: #51cf66; } .lv-medium { --lc: #ffd43b; } .lv-hard { --lc: #ff6b6b; }
.modes { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.mode {
  position: relative; text-align: left; cursor: pointer; padding: 16px; border-radius: 18px; min-height: 130px;
  background: linear-gradient(160deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .02)), var(--panel-solid);
  border: 1px solid var(--line); transition: transform .2s, box-shadow .2s, border-color .2s;
}
.mode:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 12px 30px rgba(63, 208, 255, .2); }
.mode .ico { font-size: 1.8rem; }
.mode h3 { font-family: var(--title); font-size: 1.02rem; margin: 6px 0 4px; }
.mode p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.35; }
.mode .best { position: absolute; top: 12px; right: 12px; font-size: .75rem; color: var(--gold); }
.mode.classic { border-color: rgba(255, 209, 102, .5); }

/* ───────── Tabla */
.table-wrap { overflow-x: auto; padding: 6px 2px 10px; -webkit-overflow-scrolling: touch; }
.ptable {
  display: grid; grid-template-columns: repeat(18, minmax(38px, 1fr)); gap: 3px;
  min-width: 700px; padding: 12px; border-radius: 16px; background: rgba(5, 6, 30, .55); border: 1px solid var(--line);
}
.el {
  --fc: var(--f-post);
  position: relative; aspect-ratio: 1; border-radius: 6px; padding: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--fc) 62%, #120f3a); border: 1px solid color-mix(in srgb, var(--fc) 80%, #fff);
  color: #fff; cursor: pointer; transition: transform .12s, box-shadow .12s, opacity .2s;
  text-shadow: 0 1px 2px rgba(0, 0, 0, .55);
}
.el .z { position: absolute; top: 2px; left: 4px; font-size: .55rem; opacity: .85; }
.el .s { font-weight: 700; font-size: clamp(.78rem, 1.3vw, 1.02rem); }
.el:hover:not(:disabled) { transform: scale(1.12); z-index: 2; box-shadow: 0 0 14px rgba(255, 255, 255, .55); }
.el:disabled { cursor: default; }
.el.dim { opacity: .25; }
.gap { visibility: hidden; }
.f-alkali { --fc: var(--f-alkali); } .f-alkaline { --fc: var(--f-alkaline); } .f-transition { --fc: var(--f-transition); }
.f-post { --fc: var(--f-post); } .f-lanthanide { --fc: var(--f-lanthanide); } .f-actinide { --fc: var(--f-actinide); }
.f-metalloid { --fc: var(--f-metalloid); } .f-nonmetal { --fc: var(--f-nonmetal); } .f-halogen { --fc: var(--f-halogen); } .f-noble { --fc: var(--f-noble); }
.ptable.nocolor .el { --fc: #6c7393; }
.el.sel { outline: 3px solid var(--accent); outline-offset: 1px; transform: scale(1.06); z-index: 1; }
.el.ok { outline: 3px solid var(--ok); outline-offset: 1px; z-index: 1; box-shadow: 0 0 16px var(--ok); }
.el.ko { outline: 3px solid var(--ko); outline-offset: 1px; z-index: 1; animation: shake .45s; }
.el.missed { outline: 3px dashed var(--gold); outline-offset: 1px; z-index: 1; }
.el.target { animation: pulse .7s 2; z-index: 3; }
.el.mastered::after { content: "★"; position: absolute; top: 1px; right: 3px; font-size: .55rem; color: var(--gold); }
@keyframes pulse { 50% { transform: scale(1.3); box-shadow: 0 0 22px #fff, 0 0 0 3px var(--gold); } }
@keyframes shake { 20%, 60% { transform: translateX(-4px); } 40%, 80% { transform: translateX(4px); } }

/* Tabla de progreso (inicio) */
.ptable.mini { gap: 2px; }
.ptable.mini .el { --fc: #3a3f66; cursor: default; opacity: .9; }
.ptable.mini .el.seen { --fc: #5a4fa8; }
.ptable.mini .el.mastered { --fc: var(--gold); color: #2a1c00; text-shadow: none; box-shadow: 0 0 10px rgba(255, 209, 102, .6); }
.ptable.mini .el.mastered::after { color: #7a4b00; }
.ptable.mini .el:hover { transform: none; box-shadow: none; }

.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; justify-content: center; font-size: .82rem; color: var(--muted); margin-top: 4px; }
.legend span::before { content: ""; display: inline-block; width: 11px; height: 11px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; background: var(--fc); }

/* ───────── Juego */
.game-head { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; margin-bottom: 12px; }
.game-title { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.game-title h2 { font-family: var(--title); font-size: clamp(1.05rem, 2.6vw, 1.4rem); margin: 0; }
.badge { font-size: .78rem; font-weight: 700; padding: 4px 10px; border-radius: 99px; background: rgba(255, 255, 255, .08); border: 1px solid var(--line); }
.stats { display: flex; gap: 8px; }
.stat { min-width: 74px; text-align: center; padding: 6px 10px; border-radius: 12px; background: var(--panel); border: 1px solid var(--line); }
.stat span { display: block; font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.stat b { font-family: var(--title); font-size: 1.15rem; }
.stat.warn b { color: var(--ko); animation: blink 1s steps(2) infinite; }
.stat.fire b { color: var(--gold); }
@keyframes blink { 50% { opacity: .4; } }
.ghost-btn { background: rgba(255, 255, 255, .06); border: 1px solid var(--line); border-radius: 99px; padding: 8px 14px; cursor: pointer; white-space: nowrap; }
.prompt {
  text-align: center; padding: 14px 18px; border-radius: 18px; margin-bottom: 10px;
  background: linear-gradient(135deg, rgba(106, 92, 255, .35), rgba(200, 107, 255, .2)); border: 1px solid rgba(200, 107, 255, .45);
  font-size: 1.15rem; line-height: 1.4;
}
.prompt .big { display: block; font-family: var(--title); font-weight: 800; font-size: clamp(1.5rem, 4vw, 2.2rem); color: var(--gold); margin-top: 2px; }
.prompt .clues { list-style: none; padding: 0; margin: 8px auto 0; max-width: 560px; text-align: left; font-size: 1rem; }
.prompt .clues li { padding: 6px 10px; margin-top: 6px; border-radius: 10px; background: rgba(0, 0, 0, .25); animation: enter .3s; }
.prompt .clues li::before { content: "🔎 "; }
.prompt.flash-ok { animation: flashok .6s; } .prompt.flash-ko { animation: flashko .6s; }
@keyframes flashok { 40% { box-shadow: 0 0 0 4px var(--ok), 0 0 30px var(--ok); } }
@keyframes flashko { 40% { box-shadow: 0 0 0 4px var(--ko), 0 0 30px var(--ko); } }
.answer { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 10px; }
.answer:empty { display: none; }
.answer input, .answer select {
  font: inherit; font-size: 1.2rem; font-weight: 700; padding: 10px 14px; border-radius: 12px; color: var(--fg);
  background: rgba(255, 255, 255, .07); border: 2px solid rgba(63, 208, 255, .55); min-width: 110px;
}
.answer select option { color: #111; }
.answer label { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.opt-btn {
  min-width: 150px; padding: 12px 18px; border-radius: 14px; cursor: pointer; font-weight: 700; font-size: 1.05rem;
  background: rgba(255, 255, 255, .06); border: 2px solid rgba(63, 208, 255, .5);
}
.opt-btn:hover:not(:disabled) { background: rgba(63, 208, 255, .15); border-color: var(--accent); }
.opt-btn:disabled { opacity: .55; cursor: default; }
.opt-btn.right { border-color: var(--ok); background: rgba(61, 220, 151, .18); opacity: 1; }
.opt-btn.wrong { border-color: var(--ko); background: rgba(255, 107, 129, .18); opacity: 1; }
.main-btn { border: 0; border-radius: 12px; padding: 12px 20px; cursor: pointer; font-weight: 700; font-size: 1rem; background: linear-gradient(135deg, var(--accent), #6a5cff); color: #08082a; }
.main-btn:disabled { opacity: .5; cursor: default; }

.play-area { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: 14px; align-items: start; }
.play-area.no-table { grid-template-columns: minmax(0, 520px); justify-content: center; }
.ficha { position: sticky; top: 80px; border-radius: 18px; padding: 16px; background: var(--panel); border: 1px solid var(--line); min-height: 120px; }
.ficha:empty::before { content: "Aquí verás la ficha de cada elemento cuando respondas."; color: var(--muted); font-size: .9rem; }
.ficha .res { font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.ficha .res.ok { color: var(--ok); } .ficha .res.ko { color: var(--ko); }
.tile {
  --fc: var(--f-post);
  width: 110px; aspect-ratio: 1; margin: 4px auto 10px; border-radius: 14px; position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--fc) 62%, #120f3a); border: 2px solid color-mix(in srgb, var(--fc) 80%, #fff);
  box-shadow: 0 0 24px color-mix(in srgb, var(--fc) 50%, transparent); animation: enter .3s;
}
.tile .z { position: absolute; top: 6px; left: 9px; font-size: .85rem; }
.tile .s { font-family: var(--title); font-weight: 800; font-size: 2.4rem; line-height: 1; }
.tile .n { font-size: .82rem; margin-top: 4px; }
.facts { list-style: none; padding: 0; margin: 0; font-size: .9rem; }
.facts li { display: flex; justify-content: space-between; gap: 8px; padding: 4px 0; border-bottom: 1px solid var(--line); }
.facts li span { color: var(--muted); }
.fact { margin: 10px 0 0; font-size: .92rem; line-height: 1.45; }
.fact::before { content: "💡 "; }
.next-row { display: flex; justify-content: center; margin: 4px 0 10px; }

/* ───────── Final de ronda */
.end-card { max-width: 640px; margin: 24px auto; text-align: center; background: var(--panel); border: 1px solid var(--line); border-radius: 24px; padding: 28px 22px; }
.end-card .big { font-size: 3.2rem; }
.end-card h2 { font-family: var(--title); font-size: 1.5rem; margin: 8px 0; }
.end-card p { color: var(--muted); line-height: 1.5; }
.end-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 10px; margin: 16px 0; }
.end-grid div { padding: 10px; border-radius: 12px; background: rgba(255, 255, 255, .05); }
.end-grid b { display: block; font-family: var(--title); font-size: 1.4rem; color: var(--gold); }
.end-grid span { font-size: .8rem; color: var(--muted); }
.review { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin: 8px 0 4px; }
.review span { padding: 4px 10px; border-radius: 99px; background: rgba(255, 107, 129, .15); border: 1px solid rgba(255, 107, 129, .5); font-size: .88rem; }
.end-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }

/* ───────── Modal y aviso */
.modal { position: fixed; inset: 0; z-index: 900; display: grid; place-items: center; padding: 16px; background: rgba(5, 6, 25, .72); backdrop-filter: blur(4px); overflow-y: auto; }
.modal-card { position: relative; width: min(100%, 620px); background: var(--ss-panel); border-radius: 18px; padding: 26px; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); }
.modal-card h2 { font-family: var(--title); margin-top: 0; font-size: 1.3rem; }
.help-list { padding-left: 20px; line-height: 1.55; }
.help-tip { background: rgba(255, 255, 255, .06); border-radius: 12px; padding: 10px 14px; line-height: 1.45; }
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, calc(100% + 40px)); visibility: hidden; z-index: 800;
  background: var(--panel-solid); border: 1px solid var(--gold); border-radius: 14px; padding: 12px 18px; font-weight: 700;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .5); transition: transform .35s cubic-bezier(.2, 1.2, .4, 1); max-width: calc(100% - 32px); text-align: center;
}
.toast.show { transform: translate(-50%, 0); visibility: visible; }
.confetti { position: fixed; top: -10px; width: 9px; height: 14px; z-index: 700; pointer-events: none; animation: fall linear forwards; }
@keyframes fall { to { transform: translateY(105vh) rotate(720deg); } }

/* ───────── Accesibilidad */
body.big { --fs: 19px; }
body.contrast {
  --bg: #000; --panel: #000; --panel-solid: #000; --line: #fff; --fg: #fff; --muted: #fff; --ok: #00ff7f; --ko: #ff5050;
  --ss-panel: #000; --ss-line: #fff; --ss-muted: #fff;
}
body.contrast .bg { display: none; }
body.contrast .el { border-width: 2px; }
body.calm *, body.calm *::before, body.calm *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* ───────── Pantallas estrechas */
@media (max-width: 960px) {
  .play-area { grid-template-columns: 1fr; }
  .ficha { position: static; }
}
@media (max-width: 720px) {
  .topbar { gap: 8px; padding: 8px 12px; }
  .brand-text { display: none; }
  .report-btn span { display: none; }
  .levels { grid-template-columns: 1fr; }
  .game-head { grid-template-columns: 1fr; }
  .game-head .ghost-btn { justify-self: start; }
  .stats { flex-wrap: wrap; }
  .stat { flex: 1; min-width: 64px; }
  .ptable { min-width: 560px; gap: 2px; padding: 8px; }
  .el .z { font-size: .45rem; }
  .el .s { font-size: .78rem; }
  .opt-btn { min-width: 0; flex: 1 1 40%; }
}

/* ───────── Cómics */
.mode.comics { background: linear-gradient(160deg, rgba(255, 170, 60, .25), rgba(255, 80, 80, .12)), var(--panel-solid); border-color: rgba(255, 170, 60, .55); }
.comics-intro { color: var(--muted); line-height: 1.5; margin: 0 0 12px; max-width: 820px; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.filters button { --fc: #fff; padding: 6px 12px; border-radius: 99px; cursor: pointer; font-size: .82rem; font-weight: 700; background: rgba(255, 255, 255, .05); border: 1px solid color-mix(in srgb, var(--fc) 60%, transparent); }
.filters button[aria-pressed="true"] { background: color-mix(in srgb, var(--fc) 45%, #120f3a); border-color: var(--fc); }
.el.read::before { content: "📖"; position: absolute; bottom: 1px; right: 2px; font-size: .55rem; }
.el.reading::before { content: "⏳"; position: absolute; bottom: 1px; right: 2px; font-size: .55rem; }
.el.filtered { opacity: .18; }
.ptable.mini .el.read { box-shadow: inset 0 -3px 0 #ff9f43; }
.comic-btn { margin-top: 12px; width: 100%; }
.credits { text-align: center; color: var(--muted); font-size: .78rem; line-height: 1.5; padding: 10px 16px 24px; }
.credits p { margin: 2px 0; } .credits a { color: var(--muted); }

.reader { padding: 10px; }
.reader-card {
  width: min(100%, 1200px); height: min(100%, 860px); display: grid; grid-template-columns: 290px 1fr; grid-template-rows: 1fr auto;
  background: var(--ss-panel); border-radius: 18px; overflow: hidden; box-shadow: 0 20px 60px rgba(0, 0, 0, .6);
}
.reader-info { padding: 18px; overflow-y: auto; border-right: 1px solid var(--line); }
.reader-info .tile { margin: 0 0 12px; }
.reader-info h2 { font-family: var(--title); margin: 0 0 4px; font-size: 1.4rem; }
.reader-info .syn { font-style: italic; line-height: 1.45; background: rgba(0, 0, 0, .25); border-radius: 12px; padding: 10px 12px; margin: 10px 0; }
.reader-info .links { display: grid; gap: 8px; margin-top: 12px; }
.reader-info .links a { text-align: center; text-decoration: none; padding: 10px 12px; border-radius: 12px; font-weight: 700; }
.act-link { background: linear-gradient(135deg, #ffb347, #ff7a45); color: #2a1200; }
.drive-link { background: rgba(255, 255, 255, .07); border: 1px solid var(--line); color: var(--fg); font-size: .88rem; }
.reader-main { position: relative; background: #e9e9ef; }
.reader-main iframe { width: 100%; height: 100%; border: 0; display: block; }
.still { position: absolute; inset: 0; display: grid; place-content: center; gap: 12px; text-align: center; background: rgba(10, 10, 40, .85); color: #fff; font-size: 1.3rem; font-weight: 700; }
.reader-bar { grid-column: 1 / -1; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; padding: 12px 16px; border-top: 1px solid var(--line); background: rgba(0, 0, 0, .2); }
.rtime { flex: 1 1 260px; }
.rtime small { display: block; color: var(--muted); font-size: .8rem; margin-bottom: 4px; }
.rbar { height: 10px; border-radius: 99px; background: rgba(255, 255, 255, .1); overflow: hidden; }
.rbar div { height: 100%; width: 0; background: linear-gradient(90deg, #ffb347, var(--gold)); transition: width .5s; }
.rbar.full div { background: linear-gradient(90deg, var(--ok), #8ef0c4); }
.reflect { flex: 1 1 100%; display: grid; gap: 8px; }
.reflect textarea { font: inherit; padding: 10px 12px; border-radius: 12px; color: var(--fg); background: rgba(255, 255, 255, .07); border: 2px solid rgba(255, 209, 102, .55); resize: vertical; }
.reflect-row { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; align-items: center; }
.reflect-row small { color: var(--muted); margin-right: auto; }
@media (max-width: 820px) {
  .reader { padding: 0; }
  .reader-card { height: 100%; border-radius: 0; grid-template-columns: 1fr; grid-template-rows: auto 1fr auto; }
  .reader-info { border-right: 0; border-bottom: 1px solid var(--line); max-height: 30vh; padding: 12px; }
  .reader-info .tile { width: 64px; float: left; margin-right: 12px; }
  .reader-info .tile .s { font-size: 1.5rem; }
  .reader-info .tile .n { display: none; }
}

/* ───────── Configuración electrónica */
.mode .tag { display: inline-block; margin-left: 6px; font-size: .68rem; font-weight: 700; padding: 2px 8px; border-radius: 99px; background: rgba(63, 208, 255, .15); color: var(--accent); vertical-align: 6px; }
.cfg-card {
  display: inline-flex; gap: 10px; align-items: baseline; margin: 10px auto 4px; padding: 10px 18px; border-radius: 14px; cursor: grab;
  background: #fff; color: #1b1240; box-shadow: 0 8px 24px rgba(0, 0, 0, .35); font-size: clamp(1.05rem, 2.6vw, 1.45rem);
}
.cfg-card span { font-family: var(--title); font-weight: 800; color: #6a5cff; }
.cfg-card b { font-family: var(--font); letter-spacing: .02em; }
.cfg-card:active { cursor: grabbing; transform: scale(1.04); }
.cfg-hint { display: block; color: var(--muted); font-size: .82rem; }
.prompt .big.att { font-size: clamp(1.05rem, 2.4vw, 1.3rem); color: var(--fg); font-family: var(--font); font-weight: 700; line-height: 1.4; }
.el.placed { --fc: var(--accent); }
.cfg-form { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; width: 100%; }
.cfg-form input { flex: 1 1 360px; max-width: 620px; font-family: var(--font); }
.answer .answer-help { flex-basis: 100%; text-align: center; color: var(--muted); font-size: .82rem; margin: 0; }
.cfg-answer { flex-basis: 100%; text-align: center; margin: 0; line-height: 1.6; }
.fact.attn { background: rgba(255, 209, 102, .12); border: 1px solid rgba(255, 209, 102, .45); border-radius: 12px; padding: 10px 12px; }
.fact.attn::before { content: "📖 "; }
.facts li.cfg-li { flex-wrap: wrap; } .facts li.cfg-li b { font-size: .85rem; }