:root {
  --ink: #3d2b33;
  --ink-soft: #7a6470;
  --paper: #fffafc;
  --card: #ffffff;
  --line: #f0dbe4;
  --accent: #f0709f;
  --accent-deep: #d94f84;
  --accent-soft: #ffe3ee;
  --bg-top: #fff4f8;
  --bg-bottom: #ffe6f0;
  --danger: #e5484d;
  --radius: 22px;
  --shadow: 0 10px 30px -12px rgba(120, 50, 80, .28), 0 2px 6px rgba(120, 50, 80, .06);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}
body[data-theme="perros"] {
  --accent: #ee8a3c; --accent-deep: #cf6a1c; --accent-soft: #ffead6;
  --bg-top: #fff8ef; --bg-bottom: #ffecd6; --line: #f2e0cc;
}
body[data-theme="conejos"] {
  --accent: #8f6be8; --accent-deep: #7049d4; --accent-soft: #ece4ff;
  --bg-top: #f8f5ff; --bg-bottom: #e9f7f1; --line: #e3dcf3;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: 'Fredoka', ui-rounded, 'Segoe UI', system-ui, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, var(--bg-top), var(--bg-bottom)) fixed;
  min-height: 100dvh;
  overscroll-behavior: none;
  transition: background .4s;
}
.bg-pattern { position: fixed; inset: 0; z-index: -1; pointer-events: none; background-size: 120px 120px; }
button { font: inherit; color: inherit; cursor: pointer; }
[hidden] { display: none !important; }

.screen {
  max-width: 560px; margin: 0 auto;
  padding: calc(12px + var(--safe-top)) 16px calc(20px + var(--safe-bottom));
  display: flex; flex-direction: column; gap: 14px;
  min-height: 100dvh;
  animation: screen-in .35s cubic-bezier(.2, .9, .3, 1.2);
}
@keyframes screen-in { from { opacity: 0; transform: translateY(10px); } }

/* --- Barra superior --- */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.topbar-actions { display: flex; gap: 8px; }
.icon-btn {
  width: 44px; height: 44px; border-radius: 15px; border: 0;
  background: var(--card); box-shadow: var(--shadow);
  font-size: 19px; font-weight: 700; display: grid; place-items: center;
  transition: transform .15s;
}
.icon-btn:active { transform: scale(.9); }
.icon-btn.ghost { background: transparent; box-shadow: none; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px;
  padding: 6px 16px 6px 6px; border: 0; border-radius: 999px;
  background: var(--card); box-shadow: var(--shadow); font-weight: 600; font-size: 15px;
}
.chip:not(.user-chip) { padding: 6px 16px; }
.chip-avatar {
  width: 32px; height: 32px; border-radius: 50%; background: var(--accent-soft);
  display: grid; place-items: center; overflow: hidden;
}
.chip-avatar .pet { width: 30px; height: 30px; }

/* --- Portada --- */
.hero { text-align: center; padding: 4px 0 0; }
.mascot { width: 116px; height: 116px; margin: 0 auto -6px; animation: bob 2.6s ease-in-out infinite; filter: drop-shadow(0 8px 10px rgba(120, 50, 80, .18)); }
.mascot .pet { width: 100%; height: 100%; }
@keyframes bob { 50% { transform: translateY(-7px) rotate(-3deg); } }
.logo { font-size: clamp(40px, 12vw, 56px); margin: 0; font-weight: 700; letter-spacing: -.5px; line-height: 1.05; }
.logo span { color: var(--accent); }
.tagline { margin: 4px 0 0; color: var(--ink-soft); font-size: 16px; }

.card { background: var(--card); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.section-title { font-size: 15px; font-weight: 600; color: var(--ink-soft); margin: 0 0 10px; text-transform: uppercase; letter-spacing: .6px; }

.theme-picker { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.theme-opt {
  border: 2.5px solid transparent; border-radius: 18px; background: var(--paper);
  padding: 10px 4px 8px; display: flex; flex-direction: column; align-items: center; gap: 2px;
  font-weight: 600; font-size: 14px; transition: transform .15s, border-color .2s, background .2s;
}
.theme-opt .pet { width: 52px; height: 52px; transition: transform .3s; }
.theme-opt[aria-checked="true"] { border-color: var(--accent); background: var(--accent-soft); }
.theme-opt[aria-checked="true"] .pet { transform: scale(1.1) rotate(-6deg); }
.theme-opt:active { transform: scale(.95); }

.diff-tabs { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; margin: -2px -4px 10px; padding: 2px 4px; }
.diff-tab {
  flex: 1 0 auto; border: 0; border-radius: 14px; padding: 9px 6px; background: var(--paper);
  font-weight: 600; font-size: 14px; color: var(--ink-soft); min-height: 44px; transition: background .2s, color .2s;
}
.diff-tab[aria-selected="true"] { background: var(--accent); color: #fff; box-shadow: 0 6px 14px -6px var(--accent); }

.btn {
  border: 0; border-radius: 18px; padding: 14px 20px; font-weight: 700; font-size: 17px; min-height: 52px;
  transition: transform .12s, box-shadow .2s, filter .2s;
}
.btn:active { transform: scale(.96); }
.btn:disabled { filter: grayscale(.6); opacity: .7; }
.btn-block { width: 100%; }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 0 var(--accent-deep), 0 12px 20px -8px var(--accent); }
.btn-primary:active { box-shadow: 0 2px 0 var(--accent-deep); transform: translateY(4px); }
.btn-soft { background: var(--accent-soft); color: var(--accent-deep); }
.footer { text-align: center; color: var(--ink-soft); font-size: 13px; margin-top: auto; }

/* --- Juego --- */
.game-topbar { margin-bottom: 2px; }
.game-title { display: flex; flex-direction: column; align-items: center; font-weight: 700; font-size: 19px; line-height: 1.15; }
.game-sub { font-weight: 500; font-size: 13px; color: var(--ink-soft); }
.timer {
  min-width: 64px; height: 44px; padding: 0 12px; border-radius: 15px; background: var(--card); box-shadow: var(--shadow);
  display: grid; place-items: center; font-weight: 600; font-variant-numeric: tabular-nums;
}
.pet-counter { display: flex; justify-content: center; gap: 4px; min-height: 30px; flex-wrap: wrap; }
.pet-counter .slot { width: 30px; height: 30px; border-radius: 50%; background: rgba(255, 255, 255, .7); display: grid; place-items: center; transition: transform .3s; }
.pet-counter .slot .pet { width: 26px; height: 26px; opacity: .22; filter: grayscale(1); transition: opacity .3s, filter .3s; }
.pet-counter .slot.on { transform: scale(1.08); }
.pet-counter .slot.on .pet { opacity: 1; filter: none; }

.board-wrap { display: flex; justify-content: center; }
.board {
  --n: 5;
  width: min(100%, 520px, calc(100dvh - 300px)); min-width: 260px; aspect-ratio: 1;
  display: grid; grid-template-columns: repeat(var(--n), minmax(0, 1fr)); grid-template-rows: repeat(var(--n), minmax(0, 1fr));
  border-radius: 18px; overflow: hidden; background: var(--ink);
  border: 3px solid var(--ink); box-shadow: 0 16px 34px -14px rgba(61, 43, 51, .5);
  touch-action: none; user-select: none; -webkit-user-select: none;
}
.cell {
  position: relative; border: 0; padding: 0; margin: 0; display: grid; place-items: center; min-width: 0; min-height: 0; overflow: hidden;
  background: var(--c-bg); border-style: solid; border-color: var(--ink);
  border-width: var(--bt) var(--br) var(--bb) var(--bl);
  transition: filter .15s;
}
.cell::before { content: ''; position: absolute; inset: 0; pointer-events: none; transition: background .2s; }
.cell.line-bad::before { background: repeating-linear-gradient(45deg, rgba(229, 72, 77, .16) 0 6px, transparent 6px 12px); }
.cell:focus-visible { outline: 3px solid var(--accent-deep); outline-offset: -3px; z-index: 2; }
.cell .mark { font-size: calc(var(--cell) * .34); color: var(--c-pet); opacity: .75; font-weight: 700; line-height: 1; animation: pop-mark .18s ease-out; pointer-events: none; }
.cell .pet { position: absolute; left: 8%; top: 8%; width: 84%; height: 84%; animation: pop-pet .38s cubic-bezier(.3, 1.6, .5, 1); pointer-events: none; filter: drop-shadow(0 2px 2px rgba(61, 43, 51, .2)); }
.cell.conflict .pet { animation: shake .4s ease-in-out; filter: drop-shadow(0 0 0 transparent) drop-shadow(0 0 4px var(--danger)); }
.cell.conflict::after {
  content: ''; position: absolute; inset: 8%; border-radius: 50%; border: 3px solid var(--danger); opacity: .8; pointer-events: none;
}
.cell.hinted { animation: glow 1.2s ease-out 2; }
@keyframes pop-mark { from { transform: scale(.2); opacity: 0; } }
@keyframes pop-pet { from { transform: scale(.2) rotate(-25deg); } }
@keyframes shake { 25% { transform: translateX(-8%) rotate(-6deg); } 75% { transform: translateX(8%) rotate(6deg); } }
@keyframes glow { 50% { filter: brightness(1.15) saturate(1.3); box-shadow: inset 0 0 0 4px #fff; } }
.board.won .cell .pet { animation: wave .7s ease-in-out calc(var(--i) * 60ms) 2; }
@keyframes wave { 40% { transform: translateY(-18%) scale(1.15) rotate(-8deg); } }

.game-tip { text-align: center; color: var(--ink-soft); font-size: 14px; margin: 0; min-height: 2.6em; padding: 0 8px; }
.game-actions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: auto; }
.action {
  border: 0; border-radius: 18px; background: var(--card); box-shadow: var(--shadow); padding: 10px 4px;
  display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 13px; font-weight: 600; min-height: 64px;
  transition: transform .12s;
}
.action:active { transform: scale(.92); }
.action:disabled { opacity: .45; }
.action-ico { font-size: 21px; line-height: 1.1; }

/* --- Perfil y ranking --- */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.stat { background: var(--card); border-radius: 20px; padding: 14px; box-shadow: var(--shadow); }
.stat b { display: block; font-size: 26px; font-variant-numeric: tabular-nums; }
.stat span { font-size: 13px; color: var(--ink-soft); }
.history, .ranking { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.history li, .ranking li {
  display: grid; grid-template-columns: 40px 1fr auto; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 16px; background: var(--paper);
}
.history .pet, .ranking .pet { width: 36px; height: 36px; }
.history .h-main, .ranking .h-main { display: flex; flex-direction: column; font-weight: 600; min-width: 0; }
.history small, .ranking small { color: var(--ink-soft); font-weight: 500; font-size: 13px; }
.history .h-score, .ranking .h-score { font-weight: 700; color: var(--accent-deep); font-variant-numeric: tabular-nums; }
.ranking .medal { font-size: 24px; text-align: center; }
.ranking li.me { background: var(--accent-soft); }
.empty { text-align: center; color: var(--ink-soft); padding: 20px 8px; }

/* --- Modales --- */
.modal {
  border: 0; padding: 0; border-radius: 28px; width: min(92vw, 400px); max-height: 90dvh;
  background: var(--card); color: var(--ink); box-shadow: 0 30px 60px -20px rgba(61, 43, 51, .5);
}
.modal[open] { animation: modal-in .35s cubic-bezier(.2, 1.3, .4, 1); }
.modal::backdrop { background: rgba(61, 43, 51, .35); backdrop-filter: blur(3px); }
@keyframes modal-in { from { transform: scale(.85) translateY(20px); opacity: 0; } }
.modal-body { position: relative; padding: 24px 20px 20px; display: flex; flex-direction: column; gap: 12px; margin: 0; }
.modal-close {
  position: absolute; top: 12px; right: 12px; width: 40px; height: 40px; border-radius: 50%;
  border: 0; background: var(--paper); font-size: 16px; font-weight: 700;
}
.modal-title { margin: 0; text-align: center; font-size: 26px; }
.modal-mascot { width: 84px; height: 84px; margin: -4px auto 0; }
.modal-mascot .pet { width: 100%; height: 100%; }
.seg { display: grid; grid-template-columns: 1fr 1fr; background: var(--paper); border-radius: 16px; padding: 4px; }
.seg-btn { border: 0; border-radius: 12px; padding: 10px; background: transparent; font-weight: 600; color: var(--ink-soft); min-height: 44px; }
.seg-btn.active { background: var(--card); color: var(--ink); box-shadow: 0 2px 8px rgba(61, 43, 51, .1); }
.field { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: 14px; color: var(--ink-soft); }
.field input {
  font: inherit; font-size: 17px; color: var(--ink); padding: 12px 14px; border-radius: 14px;
  border: 2px solid var(--line); background: var(--paper); outline: none; transition: border-color .2s;
}
.field input:focus { border-color: var(--accent); }
.form-error { color: var(--danger); font-size: 14px; margin: 0; min-height: 1.2em; text-align: center; }
.fine { font-size: 13px; color: var(--ink-soft); text-align: center; margin: 0; line-height: 1.4; }

.rules { display: flex; flex-direction: column; gap: 12px; }
.rule { display: grid; grid-template-columns: 92px 1fr; align-items: center; gap: 12px; }
.rule p { margin: 0; font-size: 16px; line-height: 1.35; }
.rule-demo { display: grid; grid-template-columns: repeat(3, 1fr); width: 92px; aspect-ratio: 1; border-radius: 10px; overflow: hidden; border: 2px solid var(--ink); background: var(--ink); gap: 1px; }
.rule-demo > div { display: grid; place-items: center; position: relative; }
.rule-demo .pet { width: 86%; height: 86%; }
.rule-demo .x { color: var(--danger); font-weight: 700; font-size: 18px; }
.rule-demo .bad::after { content: ''; position: absolute; inset: 6%; border-radius: 50%; border: 2px solid var(--danger); }

.win-body { text-align: center; align-items: center; padding-top: 18px; }
.win-pets { display: flex; justify-content: center; gap: 2px; height: 70px; }
.win-pets .pet { width: 58px; height: 58px; animation: hop .8s ease-in-out infinite; animation-delay: calc(var(--i) * 120ms); }
@keyframes hop { 40% { transform: translateY(-14px) rotate(-6deg); } 60% { transform: translateY(0); } }
.win-score { display: flex; flex-direction: column; line-height: 1; }
.win-score span { font-size: 56px; font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }
.win-score small { color: var(--ink-soft); font-weight: 600; font-size: 15px; margin-top: 4px; }
.win-meta { display: flex; justify-content: center; gap: 12px; width: 100%; }
.win-meta > div { flex: 1; background: var(--paper); border-radius: 16px; padding: 10px; display: flex; flex-direction: column; align-items: center; }
.win-meta b { font-size: 20px; }
.win-meta small { color: var(--ink-soft); font-size: 12px; }
.win-note { margin: 0; color: var(--ink-soft); font-size: 14px; min-height: 1.2em; }
.win-note.best { color: var(--accent-deep); font-weight: 700; }
.win-actions { display: grid; grid-template-columns: 1fr 1.4fr; gap: 10px; width: 100%; }

/* --- Avisos y confeti --- */
.toast {
  position: fixed; left: 50%; bottom: calc(24px + var(--safe-bottom)); transform: translate(-50%, 140%);
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 16px; font-weight: 600; font-size: 15px;
  max-width: calc(100vw - 32px); text-align: center; transition: transform .35s cubic-bezier(.2, 1.3, .4, 1), opacity .25s; z-index: 50; pointer-events: none; opacity: 0;
}
.toast.show { transform: translate(-50%, 0); opacity: 1; }
.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 40; overflow: hidden; }
.confetti i {
  position: absolute; top: -30px; width: 12px; height: 16px; border-radius: 4px;
  animation: fall var(--d, 2.4s) cubic-bezier(.3, .4, .6, 1) forwards;
}
.confetti i.heart { width: auto; height: auto; background: none !important; font-style: normal; font-size: 20px; }
@keyframes fall { to { transform: translate(var(--x, 0), 110vh) rotate(var(--r, 540deg)); } }

@media (max-height: 700px) {
  .mascot { width: 84px; height: 84px; }
  .game-tip { font-size: 13px; min-height: 0; }
  .action { min-height: 56px; padding: 6px 4px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
:where(button, .cell):focus:not(:focus-visible) { outline: none; }
.btn:focus-visible, .action:focus-visible, .icon-btn:focus-visible, .chip:focus-visible, .diff-card:focus-visible, .theme-opt:focus-visible, .diff-tab:focus-visible { outline: 3px solid var(--accent-deep); outline-offset: 2px; }

/* ================= v2: más vida, luces y movimiento ================= */
.ambient { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.ambient i {
  position: absolute; bottom: -30px; font-style: normal; font-size: calc(15px * var(--s)); opacity: 0;
  text-shadow: 0 0 10px currentColor; animation: float-up var(--t) linear infinite; animation-delay: var(--delay);
}
@keyframes float-up {
  0% { transform: translate(0, 0) rotate(0); opacity: 0; }
  10% { opacity: .55; }
  50% { transform: translate(18px, -55vh) rotate(90deg); }
  90% { opacity: .35; }
  100% { transform: translate(-12px, -112vh) rotate(180deg); opacity: 0; }
}

/* Mascotas vivas: respiran, parpadean, mueven orejas y brillan */
.pet .pet-body, .pet .ear, .pet .pet-eyes, .pet .pet-happy, .pet .whiskers, .pet .tongue, .pet .nose, .pet .pet-shine { transform-box: fill-box; transform-origin: center; }
.pet.alive .pet-body { transform-origin: 50% 95%; animation: breathe 2.8s ease-in-out infinite; animation-delay: calc(var(--d) * -1); }
@keyframes breathe { 50% { transform: scale(1.045, .965); } }
.pet.alive .pet-eyes { animation: blink 4.2s infinite; animation-delay: var(--d); }
@keyframes blink { 0%, 92%, 100% { transform: scaleY(1); } 95% { transform: scaleY(.1); } }
.pet.alive .ear-l { transform-origin: 75% 90%; animation: ear-l 5s ease-in-out infinite; animation-delay: var(--d); }
.pet.alive .ear-r { transform-origin: 25% 90%; animation: ear-r 5s ease-in-out infinite; animation-delay: calc(var(--d) + 1.3s); }
@keyframes ear-l { 0%, 78%, 100% { transform: rotate(0); } 84% { transform: rotate(-16deg); } 90% { transform: rotate(5deg); } }
@keyframes ear-r { 0%, 78%, 100% { transform: rotate(0); } 84% { transform: rotate(16deg); } 90% { transform: rotate(-5deg); } }
.pet.alive .pet-shine { animation: shine 3s ease-in-out infinite; animation-delay: var(--d); }
@keyframes shine { 50% { opacity: .85; } }
.pet-gatos.alive .whiskers { animation: whisk 3.4s ease-in-out infinite; }
@keyframes whisk { 50% { transform: scaleX(1.07); } }
.pet-perros.alive .tongue { transform-origin: 50% 0; animation: pant .55s ease-in-out infinite; }
@keyframes pant { 50% { transform: scaleY(1.4); } }
.pet-conejos.alive .nose { animation: sniff 1.4s ease-in-out infinite; }
@keyframes sniff { 0%, 60%, 100% { transform: scale(1); } 70% { transform: scale(1.2, .85); } 80% { transform: scale(.9, 1.12); } }
.pet .pet-happy { opacity: 0; }
.board.won .pet .pet-eyes, .win-pets .pet .pet-eyes, .shy .pet .pet-eyes { opacity: 0; animation: none; }
.board.won .pet .pet-happy, .win-pets .pet .pet-happy, .shy .pet .pet-happy { opacity: 1; }
.shy .pet .pet-cheek { opacity: 1; }

/* Logo con brillo que recorre las letras */
.logo span {
  background: linear-gradient(90deg, var(--accent), var(--accent-deep), #ffc93c, var(--accent));
  background-size: 300% 100%; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: logo-shine 5s linear infinite;
}
@keyframes logo-shine { to { background-position: 300% 0; } }
.mascot { position: relative; }
.mascot::before {
  content: ""; position: absolute; inset: -18%; border-radius: 50%; z-index: -1;
  background: radial-gradient(circle, rgba(255, 255, 255, .95), color-mix(in srgb, var(--accent) 25%, transparent) 45%, transparent 70%);
  animation: halo 2.6s ease-in-out infinite;
}
.section-sub { margin: -4px 0 12px; color: var(--ink-soft); font-size: 14px; }

/* Login */
.screen-login { justify-content: center; }
.hero-login { margin-bottom: 4px; }
.login-pets { display: flex; justify-content: center; gap: 2px; height: 104px; }
.login-pets span { width: 92px; height: 92px; animation: hop-login 1.8s ease-in-out infinite; animation-delay: calc(var(--i) * .25s); filter: drop-shadow(0 8px 8px rgba(120, 50, 80, .18)); }
.login-pets .pet { width: 100%; height: 100%; }
@keyframes hop-login { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(-16px) rotate(-5deg); } }
.login-pets.shy span { animation-play-state: paused; }
.login-card { display: flex; flex-direction: column; gap: 12px; }
.login-card.shake { animation: shake-card .4s; }
@keyframes shake-card { 20%, 60% { transform: translateX(-8px); } 40%, 80% { transform: translateX(8px); } }

/* Dificultades */
.diff-list { display: flex; flex-direction: column; gap: 10px; }
.diff-card {
  position: relative; overflow: hidden; display: grid; grid-template-columns: 64px 1fr auto; align-items: center; gap: 12px;
  border: 0; border-radius: 20px; padding: 10px 12px 10px 10px; background: var(--cb); color: var(--ink); text-align: left;
  box-shadow: inset 0 -4px 0 color-mix(in srgb, var(--c) 35%, transparent);
  animation: card-in .5s cubic-bezier(.2, 1.2, .4, 1) both; animation-delay: calc(var(--i) * 60ms); transition: transform .15s;
}
@keyframes card-in { from { opacity: 0; transform: translateX(-16px); } }
.diff-card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(110deg, transparent 35%, rgba(255, 255, 255, .65) 50%, transparent 65%);
  transform: translateX(-100%); animation: sheen 5s ease-in-out infinite; animation-delay: calc(var(--i) * .45s);
}
@keyframes sheen { 0%, 70% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
.diff-card:active { transform: scale(.97); }
.diff-badge { position: relative; width: 64px; height: 64px; border-radius: 16px; background: rgba(255, 255, 255, .75); display: grid; place-items: center; }
.diff-badge .pet { width: 46px; height: 46px; margin-top: -12px; }
.diff-badge b { position: absolute; bottom: 3px; font-size: 12px; color: var(--c); }
.diff-text { display: flex; flex-direction: column; min-width: 0; }
.diff-text b { font-size: 18px; }
.diff-text small { font-size: 13px; color: var(--ink-soft); }
.diff-go {
  background: var(--c); color: #fff; font-weight: 700; font-size: 14px; padding: 8px 12px; border-radius: 12px; white-space: nowrap;
  box-shadow: 0 4px 0 color-mix(in srgb, var(--c) 70%, #000);
}
.diff-go.resume { animation: pulse-go 1.4s ease-in-out infinite; }
@keyframes pulse-go { 50% { transform: scale(1.08); } }

/* Tablero: luces y destellos */
.board-wrap { position: relative; }
.board { position: relative; animation: board-glow 4s ease-in-out infinite; }
@keyframes board-glow { 50% { box-shadow: 0 16px 34px -14px rgba(61, 43, 51, .5), 0 0 28px -4px var(--accent); } }
.board::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 3;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, .8) 50%, transparent 70%);
  transform: translateX(-130%);
}
.board.won::after { animation: sweep 1.1s ease-in-out 2; }
@keyframes sweep { to { transform: translateX(130%); } }
.cell .halo {
  position: absolute; inset: -6%; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(255, 255, 255, .95) 0%, rgba(255, 255, 255, .45) 35%, transparent 66%);
  animation: halo 2.4s ease-in-out infinite;
}
@keyframes halo { 50% { transform: scale(1.12); opacity: .6; } }
.cell .spark {
  position: absolute; color: #fff; line-height: 1; pointer-events: none; font-size: calc(var(--cell) * .2);
  text-shadow: 0 0 6px var(--c-pet), 0 0 2px #fff; animation: twinkle 2s ease-in-out infinite;
}
.cell .spark.s1 { top: 5%; right: 7%; }
.cell .spark.s2 { bottom: 7%; left: 5%; animation-delay: 1s; font-size: calc(var(--cell) * .16); }
@keyframes twinkle { 0%, 100% { opacity: 0; transform: scale(.3) rotate(0); } 50% { opacity: 1; transform: scale(1) rotate(90deg); } }
.cell .mark.auto { opacity: .32; font-size: calc(var(--cell) * .28); animation: none; }
.cell.glow { animation: region-glow .9s ease-out var(--gd, 0ms) both; }
@keyframes region-glow { 35% { filter: brightness(1.2) saturate(1.4); box-shadow: inset 0 0 0 999px rgba(255, 255, 255, .4); } }
.board-fx { position: absolute; inset: 0; pointer-events: none; z-index: 5; }
.board-fx .particle {
  position: absolute; line-height: 1; text-shadow: 0 0 6px currentColor;
  transform: translate(-50%, -50%); animation: fly .8s cubic-bezier(.2, .7, .3, 1) forwards;
}
@keyframes fly {
  0% { transform: translate(-50%, -50%) scale(.3); opacity: 1; }
  100% { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(1) rotate(180deg); opacity: 0; }
}
.board-fx .ring {
  position: absolute; width: var(--w); height: var(--w); border-radius: 50%; border: 3px solid var(--c);
  box-shadow: 0 0 14px var(--c); transform: translate(-50%, -50%) scale(.3); animation: ring .6s ease-out forwards;
}
@keyframes ring { to { transform: translate(-50%, -50%) scale(1.7); opacity: 0; } }
.pet-counter .slot.on { animation: slot-pop .45s cubic-bezier(.3, 1.6, .5, 1); box-shadow: 0 0 0 2px #fff, 0 0 12px color-mix(in srgb, var(--accent) 60%, transparent); }
@keyframes slot-pop { from { transform: scale(.5); } }

/* Cargando */
.loading {
  position: fixed; inset: 0; z-index: 30; display: grid; place-content: center; justify-items: center; gap: 8px;
  background: color-mix(in srgb, var(--bg-top) 85%, transparent); backdrop-filter: blur(4px); font-weight: 600; color: var(--ink-soft);
}
.loading-pet { width: 110px; height: 110px; animation: spin-hop 1s ease-in-out infinite; }
.loading-pet .pet { width: 100%; height: 100%; }
@keyframes spin-hop { 0%, 100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-20px) rotate(10deg); } }

/* Ajustes */
.toggle { position: relative; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 16px; background: var(--paper); cursor: pointer; }
.toggle span { display: flex; flex-direction: column; }
.toggle b { font-size: 16px; }
.toggle small { color: var(--ink-soft); font-size: 13px; line-height: 1.3; }
.toggle input { position: absolute; opacity: 0; pointer-events: none; }
.toggle i { width: 50px; height: 30px; border-radius: 999px; background: #dccfd5; position: relative; transition: background .2s; }
.toggle i::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 24px; height: 24px; border-radius: 50%; background: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, .2); transition: transform .25s cubic-bezier(.3, 1.5, .5, 1);
}
.toggle.on i { background: var(--accent); }
.toggle.on i::after { transform: translateX(20px); }
.toggle input:focus-visible + i { outline: 3px solid var(--accent-deep); outline-offset: 2px; }
.settings-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.settings-actions .btn { font-size: 15px; padding: 10px; min-height: 46px; }
.theme-picker.small .pet { width: 40px; height: 40px; }

/* Perfil y ranking */
.stat b { font-size: 22px; }
.size-stats { display: flex; flex-direction: column; gap: 6px; }
.size-row { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: baseline; padding: 8px 12px; background: var(--paper); border-radius: 14px; }
.size-row small { color: var(--ink-soft); }
.size-row span { font-weight: 600; color: var(--accent-deep); font-variant-numeric: tabular-nums; min-width: 120px; text-align: right; }
.history li.empty, .ranking li.empty { display: block; }
#ranking-tabs { margin: 0; }

/* Victoria con rayos de luz girando */
.win-body { overflow: hidden; }
.win-body > *:not(.win-rays) { position: relative; }
.win-rays {
  position: absolute; left: 50%; top: 56px; width: 460px; height: 460px; margin: -230px 0 0 -230px; pointer-events: none; border-radius: 50%;
  background: repeating-conic-gradient(color-mix(in srgb, var(--accent) 20%, transparent) 0 12deg, transparent 12deg 24deg);
  -webkit-mask-image: radial-gradient(circle, #000 25%, transparent 68%); mask-image: radial-gradient(circle, #000 25%, transparent 68%);
  animation: rays 14s linear infinite;
}
@keyframes rays { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .ambient, .board-fx { display: none; }
}