:root {
  --studerria-bg-base: linear-gradient(135deg, #e6ecff 0%, #e0e7ff 52%, #dbe4ff 100%);
  --studerria-bg-left: rgba(99, 102, 241, 0.3);
  --studerria-bg-right: rgba(168, 85, 247, 0.28);
  --studerria-bg-center: rgba(236, 72, 153, 0.16);

  --studerria-morph-primary-a: rgba(129, 140, 248, 0.58);
  --studerria-morph-primary-b: rgba(139, 92, 246, 0.54);
  --studerria-morph-primary-c: rgba(168, 85, 247, 0.5);
  --studerria-morph-secondary-a: rgba(56, 189, 248, 0.42);
  --studerria-morph-secondary-b: rgba(99, 102, 241, 0.5);
  --studerria-morph-secondary-c: rgba(147, 197, 253, 0.38);
  --studerria-morph-opacity-primary: 0.2;
  --studerria-morph-opacity-secondary: 0.17;

  --studerria-highlight-opacity: 0.2;
  --studerria-noise-opacity: 0.04;
  --studerria-dot-opacity: 0.045;
  --studerria-dot-color: #cbd5e1;

  --studerria-particle-color: rgba(67, 56, 202, 0.52);
  --studerria-particle-shadow: rgba(79, 70, 229, 0.3);
  --studerria-particle-blend: multiply;
}

html[data-theme='dark'],
body[data-theme='dark'],
body.theme-dark {
  --studerria-bg-base: linear-gradient(135deg, #1e1b4b 0%, #221a5a 52%, #251b67 100%);
  --studerria-bg-left: rgba(67, 56, 202, 0.32);
  --studerria-bg-right: rgba(124, 58, 237, 0.3);
  --studerria-bg-center: rgba(59, 130, 246, 0.16);

  --studerria-morph-primary-a: rgba(99, 102, 241, 0.7);
  --studerria-morph-primary-b: rgba(139, 92, 246, 0.64);
  --studerria-morph-primary-c: rgba(168, 85, 247, 0.6);
  --studerria-morph-secondary-a: rgba(59, 130, 246, 0.5);
  --studerria-morph-secondary-b: rgba(99, 102, 241, 0.56);
  --studerria-morph-secondary-c: rgba(124, 58, 237, 0.48);
  --studerria-morph-opacity-primary: 0.35;
  --studerria-morph-opacity-secondary: 0.3;

  --studerria-highlight-opacity: 0.2;
  --studerria-noise-opacity: 0.045;
  --studerria-dot-opacity: 0.04;
  --studerria-dot-color: #6366f1;

  --studerria-particle-color: rgba(165, 180, 252, 0.44);
  --studerria-particle-shadow: rgba(129, 140, 248, 0.24);
  --studerria-particle-blend: screen;
}

body.studerria-theme {
  background: transparent !important;
}

.studerria-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
  transform: translateZ(0);
}

.studerria-bg-gradient,
.studerria-bg-morph-layer,
.studerria-morph-blob,
.studerria-bg-blob,
.studerria-bg-particles,
.studerria-bg-particle,
.studerria-cursor-glow,
.studerria-grain-overlay,
.studerria-dot-pattern {
  position: absolute;
  will-change: transform, opacity;
}

.studerria-bg-gradient {
  inset: 0;
  background:
    radial-gradient(55% 72% at 10% 16%, var(--studerria-bg-left), transparent 72%),
    radial-gradient(55% 72% at 90% 16%, var(--studerria-bg-right), transparent 72%),
    radial-gradient(40% 52% at 50% 84%, var(--studerria-bg-center), transparent 78%),
    var(--studerria-bg-base);
}

.studerria-bg-morph-layer {
  inset: 0;
  overflow: hidden;
}

.studerria-morph-blob {
  width: min(70vw, 1200px);
  height: min(84vh, 1200px);
  overflow: visible;
}

.studerria-morph-primary {
  top: -23vh;
  left: -23vw;
  opacity: var(--studerria-morph-opacity-primary);
}

.studerria-morph-secondary {
  top: -15vh;
  right: -25vw;
  opacity: var(--studerria-morph-opacity-secondary);
}

.studerria-bg-blob {
  width: 100%;
  height: 100%;
  display: block;
  transform-origin: center;
  filter: blur(86px);
  animation: studerriaBlobFloat 30s ease-in-out infinite;
}

.studerria-morph-secondary .studerria-bg-blob {
  filter: blur(98px);
  animation-duration: 45s;
  animation-delay: -12s;
}

body.studerria-bg-low-power .studerria-bg-blob {
  filter: blur(70px);
  animation-duration: 62s;
}

body.studerria-bg-low-power .studerria-morph-secondary .studerria-bg-blob {
  filter: blur(78px);
  animation-duration: 74s;
}

@keyframes studerriaBlobFloat {
  0% {
    transform: translate3d(-1.5%, 0.6%, 0) scale(1) rotate(0deg);
  }
  50% {
    transform: translate3d(2.2%, -1.4%, 0) scale(1.2) rotate(10deg);
  }
  100% {
    transform: translate3d(-1.1%, 1.1%, 0) scale(1) rotate(0deg);
  }
}

.studerria-bg-particles {
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.studerria-bg-particle {
  left: 0;
  top: 0;
  font-size: clamp(10px, 0.95vw, 13px);
  font-weight: 620;
  line-height: 1;
  color: var(--studerria-particle-color);
  text-shadow: 0 0 5px var(--studerria-particle-shadow);
  opacity: 0;
  transform: translate3d(-50%, -50%, 0) scale(0.64);
  transform-origin: center;
  pointer-events: none;
  user-select: none;
  mix-blend-mode: var(--studerria-particle-blend);
}

.studerria-bg-particle.center {
  font-weight: 700;
}

.studerria-bg-particle.mid {
  letter-spacing: 0.01em;
}

.studerria-bg-particle.outer {
  font-weight: 560;
}

.studerria-cursor-glow {
  display: none;
  top: 50%;
  left: 50%;
  width: min(46vw, 780px);
  height: min(46vh, 540px);
  border-radius: 50%;
  transform: translate3d(-50%, -50%, 0);
  background: radial-gradient(circle, rgba(255, 255, 255, var(--studerria-highlight-opacity)), transparent 62%);
  transition: opacity 260ms ease;
}

.studerria-grain-overlay {
  inset: 0;
  background-image: url('/assets/grain.png');
  background-repeat: repeat;
  background-size: 190px 190px;
  opacity: var(--studerria-noise-opacity);
  mix-blend-mode: soft-light;
}

.studerria-dot-pattern {
  top: 0;
  width: 108px;
  height: 100%;
  color: var(--studerria-dot-color);
  background-image: radial-gradient(currentColor 1px, transparent 1px);
  background-size: 7px 7px;
  opacity: var(--studerria-dot-opacity);
}

.studerria-dot-left {
  left: 0;
  mask-image: linear-gradient(to right, rgba(0, 0, 0, 0.92), rgba(0, 0, 0, 0));
}

.studerria-dot-right {
  right: 0;
  mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.92), rgba(0, 0, 0, 0));
}

body.studerria-bg-reduced .studerria-bg-blob,
body.studerria-bg-reduced .studerria-bg-particle {
  animation: none !important;
}

body.studerria-bg-reduced .studerria-cursor-glow,
body.studerria-bg-reduced .studerria-bg-particle {
  display: none !important;
}

body.page-auth .studerria-cursor-glow {
  display: none !important;
}

@media (max-width: 900px) {
  .studerria-dot-pattern {
    width: 68px;
    background-size: 8px 8px;
  }

  .studerria-morph-blob {
    width: min(92vw, 700px);
    height: min(56vh, 560px);
  }

  .studerria-morph-primary {
    top: -18vh;
    left: -36vw;
  }

  .studerria-morph-secondary {
    top: -12vh;
    right: -42vw;
  }

  .studerria-bg-particle {
    font-size: 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .studerria-bg-blob,
  .studerria-bg-particle {
    animation: none !important;
  }

  .studerria-cursor-glow,
  .studerria-bg-particle {
    display: none !important;
  }
}

body.page-auth .page-container {
  max-width: none;
  width: 100%;
  padding: 0;
  min-height: 100vh;
}