/* ============================================================
   Mochii's Visor Book — design system
   paleta sacada del ref sheet de Mochii (art: Chizui Protogen)
   aesthetic: frutiger metro rainbow ✦ cutecore ✦ iridescent
   ============================================================ */

@property --holo-a {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

:root {
  /* --- mochii core (paleta canon del ref sheet) --- */
  --cream: #f2e9e4;
  --pink: #eaa8be;       /* banda 1 rainbow sona */
  --peach: #ecbe9b;      /* banda 2 */
  --butter: #ebd378;     /* banda 3 */
  --mint: #a0eca6;       /* banda 4 */
  --sky: #96dfed;        /* banda 5 */
  --peri: #71a0ee;       /* banda 6 */
  --indigo: #545ce5;     /* banda 7 */
  --hot: #ff0097;        /* Zune Magenta: PRIMARY, CTAs */
  --magenta: #ee68d0;    /* Mochii Magenta: corazones, blush */
  --grape: #b25feb;      /* Sona Purple: acentos secundarios */
  --paw: #f278b5;        /* Paw Pink */
  --cyan: #0fe4e5;       /* LED Cyan: SOLO sobre navy */
  --navy: #2c2951;       /* Visor Navy: la única isla oscura */
  --boot: #1a1833;       /* Boot Ink: profundidad del visor */
  --ink: #4a2b5c;        /* Grape Ink: TODO el texto sobre claro */
  --ink-soft: #8a6d9c;

  /* --- superficie lechosa --- */
  --bg0: #fff6fb;        /* Milk White */
  --tint-pink: #ffe2f1;  /* Strawberry Foam */
  --tint-lilac: #f2e2ff; /* Lavender Fizz */
  --tint-blue: #e2eeff;  /* Baby Blue */
  --glass: rgba(255, 255, 255, 0.66);
  --glass-border: rgba(255, 255, 255, 0.9);

  --r-lg: 28px;
  --r-md: 20px;
  --r-sm: 14px;

  /* sombras berry: rosadas translúcidas, jamás grises */
  --shadow-soft: 0 8px 24px rgba(255, 0, 151, 0.10), 0 2px 8px rgba(74, 43, 92, 0.07);
  --shadow-pop: 0 14px 40px rgba(255, 0, 151, 0.20), 0 4px 12px rgba(74, 43, 92, 0.10);

  /* arcoíris del sona: bandas sólidas estilo Metro, no gradiente difuso */
  --grad-bands: linear-gradient(90deg,
      var(--pink) 0 14.28%, var(--peach) 0 28.57%, var(--butter) 0 42.85%,
      var(--mint) 0 57.14%, var(--sky) 0 71.42%, var(--peri) 0 85.71%,
      var(--indigo) 0 100%);
  --grad-rainbow: linear-gradient(90deg, var(--hot), var(--peach), var(--butter), var(--mint), var(--sky), var(--grape), var(--hot));
  /* holo foil: stops no-equidistantes — moneda rara, no ponerlo en todo */
  --grad-holo: conic-gradient(from var(--holo-a),
      #ff7aec, #ffe57a 22%, #7affc7 47%, #7aaaff 71%, #ff7aec);

  --font-display: 'Fredoka', 'Baloo 2', system-ui, sans-serif;
  --font-body: 'Nunito', system-ui, sans-serif;
  --font-hand: 'Gaegu', 'Comic Sans MS', cursive;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg0);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ============ fondo aurora animado (nada estático) ============ */
.aurora {
  position: fixed;
  inset: -20%;
  z-index: -3;
  pointer-events: none;
  background:
    radial-gradient(42% 38% at 18% 22%, rgba(255, 226, 241, 0.85), transparent 70%),
    radial-gradient(45% 42% at 82% 18%, rgba(226, 238, 255, 0.85), transparent 70%),
    radial-gradient(50% 45% at 78% 82%, rgba(242, 226, 255, 0.8), transparent 70%),
    radial-gradient(42% 40% at 22% 78%, rgba(255, 240, 200, 0.6), transparent 70%),
    radial-gradient(30% 30% at 50% 50%, rgba(210, 245, 214, 0.5), transparent 70%),
    linear-gradient(160deg, var(--bg0), var(--tint-blue));
  animation: aurora-drift 26s ease-in-out infinite alternate;
}

@keyframes aurora-drift {
  0%   { transform: translate(0, 0) scale(1) rotate(0deg); }
  33%  { transform: translate(2.5%, -2%) scale(1.06) rotate(1.2deg); }
  66%  { transform: translate(-2%, 2.5%) scale(1.03) rotate(-1.2deg); }
  100% { transform: translate(1.5%, 1%) scale(1.08) rotate(0.6deg); }
}

/* blobs pastel flotando con blur (capa de profundidad) */
.blob {
  position: fixed;
  z-index: -2;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(46px);
  opacity: 0.5;
  animation: blob-float 18s ease-in-out infinite alternate;
}

@keyframes blob-float {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(4vw, -5vh) scale(1.12); }
  100% { transform: translate(-3vw, 4vh) scale(0.94); }
}

/* canvas de sparkles/burbujas (lo maneja fx.js) */
#fx {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* ============ vidrio frutiger ============ */
.glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  backdrop-filter: blur(16px) saturate(1.5);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-soft);
}

/* brillo diagonal glossy (frutiger shine) */
.shine {
  position: relative;
  overflow: hidden;
}
.shine::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(115deg,
      transparent 32%, rgba(255, 255, 255, 0.55) 45%,
      rgba(255, 255, 255, 0.12) 52%, transparent 60%);
  background-size: 260% 100%;
  background-position: 120% 0;
  animation: shine-sweep 5.5s ease-in-out infinite;
  pointer-events: none;
}
@keyframes shine-sweep {
  0%, 62% { background-position: 120% 0; }
  86%, 100% { background-position: -60% 0; }
}

/* ============ borde holográfico iridiscente ============ */
.holo {
  position: relative;
  border-radius: var(--r-lg);
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  backdrop-filter: blur(14px) saturate(1.4);
}
.holo::before,
.holo::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  background: var(--grad-holo);
  z-index: -1;
  animation: holo-spin 7s linear infinite;
}
.holo::after {
  filter: blur(14px);
  opacity: 0.75;
}
@keyframes holo-spin {
  to { --holo-a: 360deg; }
}

/* ============ tipografía ============ */
.display { font-family: var(--font-display); font-weight: 700; }

.rainbow-text {
  font-family: var(--font-display);
  font-weight: 800;
  background: linear-gradient(90deg, #ff0097, #ff6ab0, #f5a623, #3fbf6b, #2fa8dd, #7a5cf0, #ff0097);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: rainbow-slide 6s linear infinite;
  filter: saturate(1.15) drop-shadow(0 2px 5px rgba(255, 0, 151, 0.25));
}
@keyframes rainbow-slide {
  to { background-position: 220% 0; }
}

/* ============ botones sticker ============ */
.btn {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  border: 2.5px solid #fff;
  border-radius: 999px;
  padding: 0.7em 1.5em;
  cursor: pointer;
  background: linear-gradient(160deg, #fff6fb, #ffe3f2);
  box-shadow: var(--shadow-soft);
  transition: transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  position: relative;
  overflow: hidden;
}
.btn:hover { transform: translateY(-2px) scale(1.04); box-shadow: var(--shadow-pop); }
.btn:active { transform: translateY(1px) scale(0.96); }

.btn-hot {
  background: linear-gradient(160deg, var(--hot), var(--grape));
  color: #fff;
  text-shadow: 0 1px 2px rgba(74, 43, 92, 0.3);
}
.btn-sky { background: linear-gradient(160deg, var(--sky), var(--peri)); color: #fff; text-shadow: 0 1px 2px rgba(74,43,92,.3); }
.btn-sun { background: linear-gradient(160deg, var(--butter), var(--peach)); }
.btn-mint { background: linear-gradient(160deg, var(--mint), var(--sky)); }

/* franja arcoíris multibanda (metro style) */
.rainbow-strip {
  height: 10px;
  border-radius: 999px;
  background: var(--grad-bands);
  box-shadow: var(--shadow-soft);
}

/* sunburst concéntrico del ref sheet, detrás de protagonistas */
.sunburst {
  position: absolute;
  border-radius: 50%;
  background: repeating-radial-gradient(circle,
      rgba(242, 120, 181, 0.16) 0 14px, rgba(255, 255, 255, 0) 14px 30px);
  animation: sunburst-breathe 9s ease-in-out infinite;
  pointer-events: none;
}
@keyframes sunburst-breathe {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.08); opacity: 1; }
}

/* gloss superior de botón (metro/aero) */
.btn::before {
  content: '';
  position: absolute;
  left: 8%; right: 8%; top: 6%;
  height: 42%;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,255,255,0.75), rgba(255,255,255,0.05));
  pointer-events: none;
}

/* chip / etiqueta */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.45em 1em;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1.5px solid #fff;
  box-shadow: 0 3px 10px rgba(43, 43, 85, 0.08);
  color: var(--ink-soft);
}

/* ============ toggle de idioma ============ */
.lang-toggle {
  display: inline-flex;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
  border: 2px solid #fff;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  font-family: var(--font-display);
  font-weight: 700;
}
.lang-toggle button {
  border: 0;
  background: transparent;
  padding: 0.5em 1.1em;
  font: inherit;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.25s;
  -webkit-tap-highlight-color: transparent;
}
.lang-toggle button.on {
  background: linear-gradient(160deg, var(--hot), var(--grape));
  color: #fff;
  border-radius: 999px;
}

/* marquee ticker infinito (dos copias, loop seamless) */
.ticker {
  overflow: hidden;
  white-space: nowrap;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker-track {
  display: inline-block;
  animation: ticker-roll 22s linear infinite;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink-soft);
}
@keyframes ticker-roll {
  to { transform: translateX(-50%); }
}

/* ============ sparkles decorativos ============ */
.spark {
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
  background: currentColor;
  clip-path: polygon(50% 0%, 61% 39%, 100% 50%, 61% 61%, 50% 100%, 39% 61%, 0% 50%, 39% 39%);
  animation: twinkle 2.6s ease-in-out infinite;
  opacity: 0;
}
@keyframes twinkle {
  0%, 100% { opacity: 0; transform: scale(0.3) rotate(0deg); }
  50% { opacity: 0.95; transform: scale(1) rotate(90deg); }
}

/* corazoncito flotante */
@keyframes heart-rise {
  0% { transform: translateY(0) scale(0.4) rotate(-8deg); opacity: 0; }
  20% { opacity: 1; }
  100% { transform: translateY(-130px) scale(1.15) rotate(10deg); opacity: 0; }
}

/* flotación genérica (stickers 3D) */
.float3d {
  animation: float3d 6s ease-in-out infinite;
  transform-style: preserve-3d;
}
@keyframes float3d {
  0%, 100% { transform: translateY(0) rotateZ(-2deg); }
  50% { transform: translateY(-14px) rotateZ(2.5deg); }
}

/* entrada con brinquito */
@keyframes pop-in {
  0% { opacity: 0; transform: scale(0.7) translateY(24px); }
  70% { transform: scale(1.04) translateY(-4px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}
.pop-in { animation: pop-in 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) both; }

/* accesibilidad */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}