:root {
  /*
    Paleta pensada per fons transparent/blanc:
    - text gris fosc (llegible sobre blanc)
    - tiles amb blanc translúcid + border suau
  */
  --panel: rgba(255, 255, 255, 0.70);
  --panel-border: rgba(15, 23, 42, 0.12);
  --text: rgba(15, 23, 42, 0.92);
  --muted: rgba(15, 23, 42, 0.62);
  --tile: rgba(255, 255, 255, 0.78);
  --tile-hover: rgba(255, 255, 255, 0.92);
  /* Sombra subtil (evitar “taques” sobre blanc) */
  --shadow: 0 10px 28px rgba(15, 23, 42, 0.10);

  --tile-size: 128px;
  --icon-size: 56px;
  --radius: 16px;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  font-family: 'Raleway', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, sans-serif;
  color: var(--text);
  /* Fons transparent perquè la demo es pugui integrar sobre qualsevol web/tema */
  background: transparent;
}

/* Fons de previsualització (només per la demo) */
body[data-bg="transparent"] { background: transparent; }
body[data-bg="white"] { background: #ffffff; }
body[data-bg="odoo"] { background: #f6f7fb; }
body[data-bg="dark"] { background: #0b1220; }
/*
  Gradients de previsualització.
  Objectiu: veure com queda integrat sobre fons tipus weareopen.es.
*/
body[data-bg="wao"] {
  /* Gradient clar i subtil (base blanca, taques de color suaus) */
  background:
    radial-gradient(900px 520px at 18% 8%, rgba(124, 58, 237, 0.18), transparent 55%),
    radial-gradient(980px 560px at 92% 14%, rgba(34, 197, 94, 0.14), transparent 58%),
    radial-gradient(860px 520px at 70% 92%, rgba(14, 165, 233, 0.10), transparent 60%),
    #ffffff;
}

body[data-bg="wao-dark"] {
  /* Variant fosca amb el mateix llenguatge de color */
  background:
    radial-gradient(980px 560px at 18% 8%, rgba(124, 58, 237, 0.28), transparent 58%),
    radial-gradient(980px 560px at 92% 14%, rgba(34, 197, 94, 0.18), transparent 60%),
    radial-gradient(860px 520px at 70% 92%, rgba(14, 165, 233, 0.16), transparent 62%),
    #0b1220;
}

body[data-bg="wao-sunset"] {
  /* Gradient càlid per contrastar (capvespre) */
  background:
    radial-gradient(980px 560px at 20% 10%, rgba(249, 115, 22, 0.22), transparent 60%),
    radial-gradient(980px 560px at 88% 18%, rgba(236, 72, 153, 0.18), transparent 60%),
    radial-gradient(980px 640px at 55% 100%, rgba(59, 130, 246, 0.10), transparent 65%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.90));
}

body[data-bg="brand"] {
  background: radial-gradient(1200px 520px at 30% 0%, rgba(124, 58, 237, 0.18), transparent 60%),
              radial-gradient(980px 520px at 95% 20%, rgba(34, 197, 94, 0.12), transparent 55%),
              #0b1220;
}

.wao-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 22px 10px;
  /* Ajuda a mantenir llegibilitat quan el fons és fosc o amb gradient */
  background: rgba(255, 255, 255, 0.52);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(10px);
}

.wao-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}

.wao-subtitle {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.wao-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wao-btn {
  appearance: none;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.wao-btn:hover { background: rgba(255, 255, 255, 0.92); }

.wao-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  user-select: none;
}

.wao-select {
  appearance: none;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 34px 10px 14px;
  cursor: pointer;
  box-shadow: var(--shadow);
  line-height: 1;
  font-family: inherit;
}

.wao-select:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.20), var(--shadow);
}

.wao-main {
  position: relative;
  /* Extra espai inferior perquè el logo no quedi enganxat a la graella */
  padding: 18px 22px 194px;
}

.wao-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(var(--tile-size), 1fr));
  gap: 14px;
  max-width: 980px;
  margin: 0 auto;
  /* Aparició més suau (menys “cop”) quan passem a data-grid-visible="1" */
  transition:
    opacity 520ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 520ms cubic-bezier(0.16, 1, 0.3, 1);
}

.wao-grid[data-grid-visible="1"] {
  transition-delay: 120ms;
}

/* La graella (tiles + labels) apareix només quan les icones ja han arribat al destí */
.wao-grid[data-grid-visible="0"] {
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition-delay: 0ms;
}

/* Durant l'animació, no volem clicks/hover */
.wao-grid[data-animating="1"] {
  pointer-events: none;
}

.wao-tile {
  position: relative;
  display: grid;
  place-items: center;
  gap: 10px;
  height: var(--tile-size);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  background: var(--tile);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  transform: translateZ(0);
  overflow: hidden;

  /* Demo: la graella no és interactiva (evitem sensació de “clickable”) */
  pointer-events: none;
  cursor: default;

  /* Revelat progressiu mentre les icones es col·loquen */
  opacity: 1;
  transition:
    opacity 420ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 420ms cubic-bezier(0.16, 1, 0.3, 1),
    background 180ms ease;
}

.wao-tile[data-revealed="0"] {
  opacity: 0;
  transform: translateY(10px) scale(0.985);
}

.wao-tile:hover { background: var(--tile); }

.wao-tile span {
  font-size: 13px;
  color: rgba(15, 23, 42, 0.78);
  font-weight: 700;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 240ms ease, transform 240ms ease;
}

/* El nom de cada app apareix conjuntament amb la seva tile */
.wao-tile[data-revealed="0"] span {
  opacity: 0;
  transform: translateY(6px);
}

.wao-icon {
  width: var(--icon-size);
  height: var(--icon-size);
  object-fit: contain;
  filter: drop-shadow(0 10px 14px rgba(15, 23, 42, 0.12));
}

/* Layer on animem: cobreix el main, no rep events */
.wao-anim-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.wao-anim-item {
  position: absolute;
  width: var(--icon-size);
  height: var(--icon-size);
  will-change: transform, opacity, filter;
}

.wao-anim-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Logo WAO (subtil, apareix al final) */
.wao-brand {
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%) translateY(6px);
  opacity: 0;
  transition:
    opacity 520ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 520ms cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  user-select: none;
}

.wao-brand[data-visible="1"] {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.wao-brand__logo {
  height: 136px;
  width: auto;
  opacity: 0.86;
  filter: drop-shadow(0 10px 14px rgba(15, 23, 42, 0.10));
}

@media (max-width: 480px) {
  .wao-brand__logo {
    height: 112px;
  }
}

/* Mentre s'anima, amaguem els originals (per evitar duplicats) */
.wao-grid[data-animating="1"] .wao-icon {
  opacity: 0;
}

/* Però, quan una tile ja està “al seu lloc”, podem mostrar el seu icon original */
.wao-grid[data-animating="1"] .wao-tile[data-icon-visible="1"] .wao-icon {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .wao-grid[data-animating="1"] .wao-icon {
    opacity: 1;
  }
}