/* ------------------------------------------------------------------ */
/* Shared design tokens                                                */
/*                                                                    */
/* `default` leaves the workspace palette untouched. `ember` is the    */
/* warm lounge style; it only applies when the document root carries   */
/* data-design="ember".                                                */
/* ------------------------------------------------------------------ */

:root {
  /* Motion tokens — shared by every style. */
  --motion-fast: 120ms;
  --motion-base: 220ms;
  --motion-slow: 360ms;
  --motion-ambient: 42s;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --lift: translateY(-2px);
  --press: translateY(1px) scale(0.985);
  --focus-ring: 0 0 0 3px rgba(103, 232, 249, 0.3);
}

/* The workspace's existing cool look, available to every site that loads the
   token package. The workspace already declares these values in styles.css;
   this block lets the lounge switch back to the same palette from the admin
   picker and makes `data-design="default"` meaningful everywhere. */
:root[data-design="default"] {
  --bg: #080a0f;
  --bg-soft: #0d1017;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --surface-3: rgba(255, 255, 255, 0.09);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.17);
  --text: #e9edf5;
  --muted: #8a93a6;
  --accent: #67e8f9;
  --accent-2: #a78bfa;
  --accent-3: #93c5fd;
  --accent-ink: #07131a;
  --danger: #fb7185;
  --ok: #34d399;
  --radius: 16px;
  --radius-sm: 11px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.5);
  --glow: 0 0 0 1px rgba(103, 232, 249, 0.16),
    0 18px 50px rgba(167, 139, 250, 0.14);
  --focus-ring: 0 0 0 3px rgba(103, 232, 249, 0.3);
  --panel: rgba(13, 16, 23, 0.62);
  --glass: rgba(10, 13, 19, 0.74);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  color-scheme: dark;
}

:root[data-design="default"] .ambient span:nth-child(1) {
  background: radial-gradient(circle, rgba(103, 232, 249, 0.22), transparent 70%);
}

:root[data-design="default"] .ambient span:nth-child(2) {
  background: radial-gradient(circle, rgba(167, 139, 250, 0.2), transparent 70%);
}

:root[data-design="default"] .ambient span:nth-child(3) {
  background: radial-gradient(circle, rgba(52, 211, 153, 0.12), transparent 72%);
}

:root[data-design="ember"] {
  --bg: #1d1114;
  --bg-soft: #251519;
  --surface: rgba(255, 226, 210, 0.06);
  --surface-2: rgba(255, 226, 210, 0.1);
  --surface-3: rgba(255, 226, 210, 0.15);
  --border: rgba(255, 199, 178, 0.16);
  --border-strong: rgba(255, 199, 178, 0.3);
  --text: #fff1e7;
  --muted: #c9a99c;
  --accent: #ff9b6a;
  --accent-2: #c46b8e;
  --accent-3: #f6c177;
  --accent-ink: #2a120d;
  --danger: #ff7a8a;
  --ok: #8fd6a3;
  --radius: 22px;
  --radius-sm: 15px;
  --shadow: 0 30px 80px rgba(32, 8, 12, 0.55);
  --glow: 0 0 0 1px rgba(255, 155, 106, 0.18),
    0 18px 50px rgba(196, 107, 142, 0.16);
  --focus-ring: 0 0 0 3px rgba(255, 155, 106, 0.38);
  --ember-peach: #ffb08a;
  --ember-coral: #ff7f6b;
  --ember-amber: #f6c177;
  --ember-plum: #c46b8e;
  --ember-cream: #fff1e7;
  --panel: rgba(37, 21, 25, 0.62);
  --glass: rgba(37, 21, 25, 0.74);
  --font: ui-rounded, "SF Pro Rounded", "Segoe UI Variable Display", "Segoe UI",
    system-ui, -apple-system, sans-serif;
  color-scheme: dark;
}

/* Aurora: a dreamy original night palette — indigo, rose, periwinkle,
   moon-gold and pale aqua, with a moon, aurora ribbons and fireflies. */
:root[data-design="aurora"] {
  --bg: #09091c;
  --bg-soft: #12102b;
  --surface: rgba(237, 232, 255, 0.06);
  --surface-2: rgba(237, 232, 255, 0.1);
  --surface-3: rgba(237, 232, 255, 0.16);
  --border: rgba(200, 180, 255, 0.16);
  --border-strong: rgba(200, 180, 255, 0.3);
  --text: #f6f1ff;
  --muted: #b7aed2;
  --accent: #e7a9c4;
  --accent-2: #9d8bf0;
  --accent-3: #f0d6a6;
  --accent-4: #8fd0e8;
  --accent-ink: #171029;
  --danger: #f28ba0;
  --ok: #86d6b3;
  --radius: 26px;
  --radius-sm: 15px;
  --shadow: 0 30px 90px rgba(3, 3, 18, 0.58);
  --glow: 0 0 0 1px rgba(231, 169, 196, 0.18),
    0 20px 60px rgba(157, 139, 240, 0.22);
  --focus-ring: 0 0 0 3px rgba(231, 169, 196, 0.34);
  --panel: rgba(18, 16, 43, 0.48);
  --glass: rgba(14, 12, 34, 0.7);
  --font: "Nunito Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  color-scheme: dark;
}

/* Layered aurora night: two radial glows, a soft horizon and a midnight base. */
:root[data-design="aurora"] .ambient {
  background:
    radial-gradient(
      110% 80% at 78% -10%,
      rgba(157, 139, 240, 0.34),
      transparent 55%
    ),
    radial-gradient(
      90% 70% at 16% 14%,
      rgba(231, 169, 196, 0.2),
      transparent 62%
    ),
    radial-gradient(
      85% 55% at 50% 108%,
      rgba(95, 157, 132, 0.34),
      transparent 64%
    ),
    linear-gradient(
      180deg,
      #09091c 0%,
      #12102b 36%,
      #2a2050 60%,
      #5a3f6e 78%,
      #7d5a82 90%,
      #4f7f72 100%
    );
}

/* A drifting ribbon of light instead of a flat sky. */
:root[data-design="aurora"] .ambient::before {
  content: "";
  position: absolute;
  inset: -18% -12%;
  pointer-events: none;
  background: linear-gradient(
    115deg,
    transparent 24%,
    rgba(143, 208, 232, 0.14) 36%,
    rgba(231, 169, 196, 0.2) 50%,
    rgba(157, 139, 240, 0.14) 62%,
    transparent 78%
  );
  filter: blur(58px);
  transform: rotate(-8deg);
  animation: aurora-drift 26s ease-in-out infinite alternate;
}

/* A few distant stars and a soft green-blue horizon haze. */
:root[data-design="aurora"] .ambient::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.8;
  background:
    radial-gradient(
      ellipse at 50% 104%,
      rgba(95, 157, 132, 0.24),
      transparent 56%
    ),
    radial-gradient(1.4px 1.4px at 22% 18%, rgba(255, 255, 255, 0.85), transparent),
    radial-gradient(1px 1px at 68% 12%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(2px 2px at 84% 28%, rgba(255, 255, 255, 0.9), transparent),
    radial-gradient(1px 1px at 42% 36%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1.2px 1.2px at 12% 44%, rgba(255, 255, 255, 0.6), transparent);
  animation: aurora-twinkle 9s ease-in-out infinite alternate;
}

:root[data-design="aurora"] .ambient span {
  filter: blur(74px);
  opacity: 0.4;
  mix-blend-mode: screen;
  animation: ember-drift var(--motion-ambient) var(--ease-out) infinite alternate;
}

:root[data-design="aurora"] .ambient span:nth-child(1) {
  background: radial-gradient(circle, rgba(231, 169, 196, 0.42), transparent 70%);
}

:root[data-design="aurora"] .ambient span:nth-child(2) {
  background: radial-gradient(circle, rgba(157, 139, 240, 0.36), transparent 70%);
  animation-duration: 56s;
  animation-delay: -12s;
}

:root[data-design="aurora"] .ambient span:nth-child(3) {
  background: radial-gradient(circle, rgba(143, 208, 232, 0.28), transparent 70%);
  animation-duration: 62s;
  animation-delay: -26s;
}

/* Moon and fireflies are hidden in the other styles. */
.ambient .moon,
.ambient .mote {
  display: none;
}

:root[data-design="aurora"] .ambient .moon {
  position: absolute;
  display: block;
  top: 8%;
  right: 8%;
  width: 118px;
  height: 118px;
  border-radius: 50%;
  background: radial-gradient(
    circle at 38% 35%,
    #fff7e6,
    #f0d6a6 42%,
    rgba(240, 214, 166, 0.16) 68%,
    transparent 72%
  );
  filter: none;
  opacity: 0.85;
  box-shadow:
    0 0 70px 18px rgba(240, 214, 166, 0.26),
    0 0 160px 60px rgba(231, 169, 196, 0.1);
  animation: aurora-moon 15s ease-in-out infinite alternate;
}

:root[data-design="aurora"] .ambient .mote {
  position: absolute;
  display: block;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #f0d6a6;
  filter: none;
  opacity: 0.7;
  box-shadow:
    0 0 10px 2px rgba(240, 214, 166, 0.55),
    0 0 24px 6px rgba(231, 169, 196, 0.16);
  animation: aurora-mote 12s ease-in-out infinite;
}

:root[data-design="aurora"] .ambient .mote:nth-child(5) {
  top: 24%;
  left: 18%;
  animation-delay: -2s;
}

:root[data-design="aurora"] .ambient .mote:nth-child(6) {
  top: 42%;
  left: 34%;
  animation-delay: -6s;
  animation-duration: 15s;
}

:root[data-design="aurora"] .ambient .mote:nth-child(7) {
  top: 62%;
  left: 12%;
  animation-delay: -9s;
  animation-duration: 18s;
}

:root[data-design="aurora"] .ambient .mote:nth-child(8) {
  top: 34%;
  left: 72%;
  animation-delay: -4s;
  animation-duration: 13s;
}

:root[data-design="aurora"] .ambient .mote:nth-child(9) {
  top: 68%;
  left: 58%;
  animation-delay: -11s;
  animation-duration: 20s;
}

@keyframes aurora-drift {
  from {
    transform: translate3d(-2%, -1%, 0) rotate(-8deg) scale(1.02);
  }
  to {
    transform: translate3d(2%, 2%, 0) rotate(-5deg) scale(1.06);
  }
}

@keyframes aurora-twinkle {
  from {
    opacity: 0.5;
  }
  to {
    opacity: 0.95;
  }
}

@keyframes aurora-moon {
  from {
    opacity: 0.75;
    transform: translateY(0);
  }
  to {
    opacity: 0.95;
    transform: translateY(6px);
  }
}

@keyframes aurora-mote {
  0%,
  100% {
    opacity: 0.3;
    transform: translate3d(0, 0, 0);
  }
  50% {
    opacity: 0.95;
    transform: translate3d(12px, -20px, 0);
  }
}

/* Ambient layer ------------------------------------------------------ */

.ambient span {
  transition: opacity var(--motion-slow) var(--ease-out);
}

:root[data-design="ember"] .ambient span {
  filter: blur(80px);
  opacity: 0.62;
  mix-blend-mode: screen;
  animation: ember-drift var(--motion-ambient) var(--ease-out) infinite alternate;
}

:root[data-design="ember"] .ambient span:nth-child(1) {
  background: radial-gradient(circle, rgba(255, 155, 106, 0.5), transparent 68%);
}

:root[data-design="ember"] .ambient span:nth-child(2) {
  background: radial-gradient(circle, rgba(196, 107, 142, 0.46), transparent 70%);
  animation-duration: 52s;
  animation-delay: -12s;
}

:root[data-design="ember"] .ambient span:nth-child(3) {
  background: radial-gradient(circle, rgba(246, 193, 119, 0.34), transparent 70%);
  animation-duration: 60s;
  animation-delay: -28s;
}

@keyframes ember-drift {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(3vw, 2vh, 0) scale(1.08);
  }
  100% {
    transform: translate3d(-2vw, 4vh, 0) scale(1.03);
  }
}

/* Grain overlay: a very light texture, no animation. */
:root[data-design="ember"] body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.8'/%3E%3C/svg%3E");
}

/* Reduced motion wins over every style. */
@media (prefers-reduced-motion: reduce) {
  :root {
    --motion-fast: 1ms;
    --motion-base: 1ms;
    --motion-slow: 1ms;
  }

  :root[data-design="ember"] .ambient span,
  :root[data-design="aurora"] .ambient span,
  :root[data-design="aurora"] .ambient::before,
  :root[data-design="aurora"] .ambient::after,
  :root[data-design="aurora"] .ambient .moon,
  :root[data-design="aurora"] .ambient .mote {
    animation: none !important;
  }

  :root[data-design="ember"] *,
  :root[data-design="ember"] *::before,
  :root[data-design="ember"] *::after,
  :root[data-design="aurora"] *,
  :root[data-design="aurora"] *::before,
  :root[data-design="aurora"] *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}

/* Pause ambient work while the tab is hidden. */
:root.page-hidden[data-design="ember"] .ambient span,
:root.page-hidden[data-design="aurora"] .ambient span,
:root.page-hidden[data-design="aurora"] .ambient::before,
:root.page-hidden[data-design="aurora"] .ambient::after,
:root.page-hidden[data-design="aurora"] .ambient .moon,
:root.page-hidden[data-design="aurora"] .ambient .mote {
  animation-play-state: paused;
}