/* === Tokens === */
:root {
  --bg: #06050d;
  --fg: #e8eaf5;
  --gold: #d8a85d;
  --gold-deep: #b77e34;
  --aire:   #d0dbff;
  --agua:   #6cd0f3;
  --fuego:  #f59056;
  --tierra: #d49873;

  --ease-emerge: cubic-bezier(0.22, 0.61, 0.20, 1);
  --ease-magma: cubic-bezier(0.32, 0, 0.05, 1);
  --ease-page: cubic-bezier(0.22, 0.61, 0.36, 1);

  --taskbar-height: 52px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-weight: 300;
  overflow: hidden;
}

/* === Canvas WebGL === */
#gioser-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  z-index: 0;
  transition: opacity 600ms var(--ease-emerge), filter 600ms var(--ease-emerge);
}
body.deck-visible #gioser-canvas {
  opacity: 0.30;
  filter: blur(4px) saturate(80%);
}

/* === Tips (botones cardinales sobre el aro) === */
#tips {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  transition: opacity 250ms ease;
}
body.deck-visible #tips {
  opacity: 0;
  pointer-events: none;
}

.tip {
  position: absolute;
  top: 0; left: 0;
  pointer-events: auto;
  text-decoration: none;
  color: var(--fg);
  user-select: none;
  cursor: pointer;

  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  padding: 1.1rem 1.6rem 0.95rem;
  min-width: 168px;

  background:
    radial-gradient(ellipse at top, rgba(255, 255, 255, 0.04), transparent 65%),
    rgba(8, 6, 22, 0.55);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border-radius: 20px;
  border: 1px solid rgba(216, 168, 93, 0.25);

  box-shadow:
    0 12px 36px rgba(0, 0, 0, 0.40),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04);

  transition:
    box-shadow 350ms var(--ease-emerge),
    border-color 350ms var(--ease-emerge),
    background  350ms var(--ease-emerge);
}
.tip::before {
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: 26px;
  border: 1px solid currentColor;
  opacity: 0;
  transition: opacity 400ms ease, inset 400ms var(--ease-emerge);
  pointer-events: none;
}
.tip:hover {
  border-color: currentColor;
  background:
    radial-gradient(ellipse at top, rgba(255, 255, 255, 0.07), transparent 65%),
    rgba(20, 14, 40, 0.72);
}
.tip:hover::before {
  opacity: 0.45;
  inset: -16px;
}
.tip-glyph {
  width: 54px;
  height: 54px;
  color: currentColor;
  filter: drop-shadow(0 0 6px currentColor) drop-shadow(0 0 16px currentColor);
  transition: filter 320ms ease, transform 350ms var(--ease-emerge);
}
.tip:hover .tip-glyph {
  filter: drop-shadow(0 0 14px currentColor) drop-shadow(0 0 28px currentColor);
  transform: translateY(-3px);
}
.tip-label {
  font-family: 'Cinzel', serif;
  font-size: 0.95rem;
  letter-spacing: 0.42em;
  font-weight: 600;
  text-indent: 0.42em;
  margin-top: 0.15rem;
}
.tip-sub {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  font-weight: 300;
  color: rgba(232, 234, 245, 0.62);
  text-transform: uppercase;
  text-indent: 0.22em;
}
.tip-aire   { color: var(--aire); }
.tip-fuego  { color: var(--fuego); }
.tip-agua   { color: var(--agua); }
.tip-tierra { color: var(--tierra); }

/* === DECK: contenedor único de páginas swipeable === */
.deck {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: var(--taskbar-height);
  z-index: 100;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform-origin: var(--origin-x, 50%) var(--origin-y, 50%);
  transform: scale(0.0);
  overflow: hidden;
  touch-action: pan-y;
  background:
    radial-gradient(ellipse at center, var(--deck-glow, rgba(216, 168, 93, 0.15)), transparent 65%),
    rgba(6, 5, 13, 0.96);
  backdrop-filter: blur(28px) saturate(140%);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
  transition:
    transform 600ms var(--ease-magma),
    opacity 450ms ease,
    visibility 0s 600ms;
}
.deck.open {
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  transition:
    transform 600ms var(--ease-magma),
    opacity 450ms ease,
    visibility 0s;
}
/* Acento del deck según elemento activo: glow radial del color. */
body.deck-active-aire   .deck { --deck-glow: rgba(208, 219, 255, 0.22); }
body.deck-active-fuego  .deck { --deck-glow: rgba(245, 144, 86, 0.28); }
body.deck-active-agua   .deck { --deck-glow: rgba(108, 208, 243, 0.22); }
body.deck-active-tierra .deck { --deck-glow: rgba(212, 152, 115, 0.24); }

/* Strip horizontal con páginas — vista-web traslada esto. */
.deck-strip {
  display: flex;
  flex-direction: row;
  width: 100%;
  height: 100%;
  transform: translate3d(var(--vista-offset, 0px), 0, 0);
  transition: transform 360ms var(--ease-page);
  will-change: transform;
}
.deck-strip.vista-dragging,
.deck-strip.vista-instant {
  transition: none;
}

.deck-page {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
  /* contenido alineado al pop-snap mismo si la lista de páginas viviera
     dentro de scroll nativo; con vista-web esto es informativo nomás. */
  scroll-snap-align: start;
}
.deck-page[data-element="aire"]   { --page-accent: var(--aire); }
.deck-page[data-element="fuego"]  { --page-accent: var(--fuego); }
.deck-page[data-element="agua"]   { --page-accent: var(--agua); }
.deck-page[data-element="tierra"] { --page-accent: var(--tierra); }

/* Ambience por página */
.page-ambience {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.deck-page[data-element="aire"] .page-ambience {
  background:
    radial-gradient(circle at 18% 22%, rgba(208, 219, 255, 0.20), transparent 38%),
    radial-gradient(circle at 78% 68%, rgba(208, 219, 255, 0.14), transparent 40%),
    radial-gradient(circle at 45% 90%, rgba(180, 200, 255, 0.10), transparent 45%);
  animation: aire-drift 28s ease-in-out infinite alternate;
}
.deck-page[data-element="fuego"] .page-ambience {
  background:
    radial-gradient(circle at 50% 100%, rgba(245, 144, 86, 0.35), transparent 55%),
    radial-gradient(circle at 25% 80%, rgba(255, 90, 40, 0.18), transparent 35%),
    radial-gradient(circle at 80% 85%, rgba(255, 140, 60, 0.18), transparent 35%);
  animation: fuego-flicker 5s ease-in-out infinite;
}
.deck-page[data-element="agua"] .page-ambience {
  background:
    radial-gradient(ellipse at 50% 95%, rgba(60, 160, 230, 0.30), transparent 60%),
    radial-gradient(ellipse at 20% 70%, rgba(108, 208, 243, 0.15), transparent 50%),
    radial-gradient(ellipse at 80% 75%, rgba(108, 208, 243, 0.12), transparent 50%);
  animation: agua-tide 14s ease-in-out infinite alternate;
}
.deck-page[data-element="tierra"] .page-ambience {
  background:
    radial-gradient(ellipse at 50% 100%, rgba(120, 80, 40, 0.40), transparent 60%),
    radial-gradient(ellipse at 22% 88%, rgba(180, 130, 80, 0.20), transparent 45%),
    radial-gradient(ellipse at 78% 88%, rgba(150, 100, 60, 0.22), transparent 45%);
}
@keyframes aire-drift {
  from { transform: translate(-4%, -1%); }
  to   { transform: translate(4%, 2%); }
}
@keyframes fuego-flicker {
  0%, 100% { opacity: 0.85; transform: scaleY(1.00); }
  35%      { opacity: 1.00; transform: scaleY(1.04); }
  60%      { opacity: 0.92; transform: scaleY(0.98); }
}
@keyframes agua-tide {
  from { transform: translateY(0); }
  to   { transform: translateY(-3%); }
}

/* Head + controls */
.page-controls {
  position: absolute;
  top: 1.8vh;
  right: 1.8vw;
  z-index: 5;
  display: flex;
  gap: 0.5rem;
}
.page-control-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--page-accent, var(--gold));
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-family: 'Inter', sans-serif;
  transition:
    background 200ms ease,
    border-color 200ms ease,
    transform 250ms var(--ease-emerge);
}
.page-control-btn:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: currentColor;
}
.page-minimize svg {
  width: 18px;
  height: 18px;
}
.page-close {
  font-size: 1.6rem;
}
.page-close:hover { transform: rotate(90deg); }

.page-head {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 7vh 8vw 2vh;
  color: var(--page-accent, var(--gold));
}
.page-mark {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.55em;
  text-transform: uppercase;
  color: rgba(232, 234, 245, 0.6);
  margin-bottom: 0.4rem;
  text-indent: 0.55em;
}
.page-title {
  font-family: 'Cinzel', serif;
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  margin: 0;
  letter-spacing: 0.08em;
  color: var(--page-accent, var(--gold));
  text-shadow: 0 0 28px currentColor, 0 0 56px rgba(255, 255, 255, 0.10);
}
.page-tag {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(232, 234, 245, 0.55);
  margin-top: 0.7rem;
  text-indent: 0.32em;
}
.page-content {
  position: relative;
  z-index: 2;
  padding: 1vh 10vw 8vh;
  opacity: 0;
  transition: opacity 400ms ease 250ms;
}
.deck.open .deck-page .page-content {
  opacity: 1;
}

/* === pluma-doc dentro de la página === */
.pluma-doc {
  max-width: 760px;
  margin: 0 auto;
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  font-size: 1.05rem;
  line-height: 1.78;
  color: rgba(232, 234, 245, 0.92);
}
.pluma-doc > * + * { margin-top: 1.0em; }
.pluma-doc h1 {
  font-family: 'Cinzel', serif;
  font-weight: 700;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  color: var(--page-accent);
  text-shadow: 0 0 18px currentColor;
  letter-spacing: 0.04em;
  margin-top: 1.4em;
}
.pluma-doc h2 {
  font-family: 'Cinzel', serif;
  font-weight: 500;
  font-size: 1.5rem;
  color: var(--page-accent);
  letter-spacing: 0.04em;
  margin-top: 1.6em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}
.pluma-doc h3 {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 1.18rem;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: 0.03em;
  margin-top: 1.6em;
}
.pluma-doc p { margin: 0; }
.pluma-doc a {
  color: var(--page-accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: opacity 200ms ease;
}
.pluma-doc a:hover { opacity: 0.7; }
.pluma-doc strong { color: rgba(255, 255, 255, 0.98); font-weight: 600; }
.pluma-doc em { color: rgba(255, 255, 255, 0.92); }
.pluma-doc code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.12em 0.45em;
  border-radius: 4px;
  font-size: 0.92em;
  color: var(--page-accent);
}
.pluma-doc pre {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--page-accent);
  border-radius: 8px;
  padding: 1rem 1.2rem;
  overflow-x: auto;
  font-size: 0.92rem;
}
.pluma-doc pre code {
  background: transparent;
  color: rgba(232, 234, 245, 0.92);
  padding: 0;
}
.pluma-doc blockquote {
  border-left: 3px solid var(--page-accent);
  padding: 0.4em 1.2em;
  color: rgba(232, 234, 245, 0.75);
  font-style: italic;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 0 6px 6px 0;
}
.pluma-doc ul, .pluma-doc ol { padding-left: 1.6em; }
.pluma-doc li { margin: 0.4em 0; }
.pluma-doc li::marker { color: var(--page-accent); }
.pluma-doc hr {
  border: none;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--page-accent), transparent);
  margin: 2em 0;
}
.pluma-doc table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.95rem;
}
.pluma-doc th, .pluma-doc td {
  padding: 0.55em 0.9em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-align: left;
}
.pluma-doc th {
  color: var(--page-accent);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.pluma-loading, .pluma-error {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 30vh;
  color: rgba(232, 234, 245, 0.55);
  font-family: 'Cinzel', serif;
  letter-spacing: 0.4em;
  font-size: 0.9rem;
}
.pluma-loading::before {
  content: "";
  width: 28px;
  height: 28px;
  margin-right: 1rem;
  border: 1px solid var(--page-accent);
  border-top-color: transparent;
  border-radius: 50%;
  animation: pluma-spin 1s linear infinite;
}
.pluma-error { color: var(--fuego); font-style: italic; }
@keyframes pluma-spin { to { transform: rotate(360deg); } }

/* === Taskbar estilo Windows === */
.taskbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--taskbar-height);
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 0.8rem;
  background: linear-gradient(to top, rgba(6, 5, 13, 0.94), rgba(8, 6, 22, 0.80));
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border-top: 1px solid rgba(216, 168, 93, 0.22);
  box-shadow: 0 -10px 36px rgba(0, 0, 0, 0.45);
}

.taskbar-home {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid rgba(216, 168, 93, 0.32);
  color: var(--gold);
  border-radius: 9px;
  cursor: pointer;
  padding: 0;
  transition: all 220ms var(--ease-emerge);
}
.taskbar-home:hover {
  border-color: var(--gold);
  background: rgba(216, 168, 93, 0.12);
  box-shadow: 0 0 16px rgba(216, 168, 93, 0.35);
  transform: translateY(-1px);
}
.taskbar-home-glyph {
  width: 22px;
  height: 22px;
  filter: drop-shadow(0 0 6px currentColor);
}

.taskbar-brand {
  font-family: 'Cinzel', serif;
  font-weight: 700;
  font-size: 1.30rem;
  letter-spacing: 0.07em;
  color: #f4eedf;
  text-decoration: none;
  text-shadow: 0 0 14px rgba(216, 168, 93, 0.45);
  padding: 0 0.55rem;
  user-select: none;
  transition: text-shadow 220ms ease, color 220ms ease;
  white-space: nowrap;
}
.taskbar-brand:hover {
  color: #ffffff;
  text-shadow: 0 0 20px rgba(216, 168, 93, 0.7), 0 0 36px rgba(245, 144, 86, 0.30);
}
.taskbar-brand .brand-dot {
  color: var(--gold);
  margin: 0 0.05em;
}

.taskbar-divider {
  display: inline-block;
  width: 1px;
  height: 26px;
  background: rgba(255, 255, 255, 0.12);
  margin: 0 0.25rem;
}

.taskbar-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.taskbar-list::-webkit-scrollbar { display: none; }

.taskbar-item {
  height: 38px;
  padding: 0 1.0rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 9px;
  color: var(--task-color, var(--fg));
  font-family: 'Cinzel', serif;
  font-size: 0.72rem;
  letter-spacing: 0.36em;
  text-indent: 0.36em;
  font-weight: 600;
  cursor: pointer;
  transition: all 260ms var(--ease-emerge);
  white-space: nowrap;
}
.taskbar-item:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--task-color, currentColor);
  transform: translateY(-1px);
}
.taskbar-item.active {
  background: rgba(255, 255, 255, 0.11);
  border-color: var(--task-color);
  box-shadow:
    0 0 18px var(--task-color),
    inset 0 -2px 0 0 var(--task-color);
}
.taskbar-item-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--task-color, var(--gold));
  box-shadow: 0 0 8px currentColor;
}
.taskbar-item[data-task="aire"]   { --task-color: var(--aire); }
.taskbar-item[data-task="fuego"]  { --task-color: var(--fuego); }
.taskbar-item[data-task="tierra"] { --task-color: var(--tierra); }
.taskbar-item[data-task="agua"]   { --task-color: var(--agua); }

.taskbar-spacer {
  flex: 1;
  min-width: 0.6rem;
}

.taskbar-credit {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: rgba(216, 168, 93, 0.75);
  text-decoration: none;
  padding: 0.35rem 0.7rem;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: all 220ms var(--ease-emerge);
  white-space: nowrap;
}
.taskbar-credit:hover {
  color: var(--gold);
  border-color: rgba(216, 168, 93, 0.25);
  background: rgba(216, 168, 93, 0.06);
}
.copyleft-mark {
  display: inline-block;
  font-size: 1rem;
  /* © con escala horizontal -1 = copyleft visual. */
  transform: scaleX(-1);
  color: currentColor;
}

@media (max-width: 720px) {
  .tip { min-width: 110px; padding: 0.7rem 0.9rem; }
  .tip-glyph { width: 36px; height: 36px; }
  .tip-label { font-size: 0.72rem; }
  .tip-sub { display: none; }
  .page-head { padding: 5vh 5vw 1vh; }
  .page-content { padding: 0 5vw 5vh; }
  .taskbar { height: 46px; padding: 0 0.4rem; gap: 0.3rem; }
  .taskbar-home { width: 36px; height: 36px; }
  .taskbar-item { height: 34px; padding: 0 0.7rem; font-size: 0.65rem; }
  .taskbar-brand { font-size: 1.05rem; padding: 0 0.3rem; }
  .taskbar-credit-text { display: none; }
  .deck { bottom: 46px; }
  :root { --taskbar-height: 46px; }
}