:root {
  --ui-accent: #59efd2;
  --ui-accent-rgb: 89, 239, 210;
  --ui-float-delay: -1.2s;
  --ui-float-duration: 5.8s;
  --ui-tilt: 0deg;
}

body {
  transition: background-color 0.35s ease, color 0.35s ease;
}

.ui-alive-control,
.ui-alive-frame,
.ui-alive-text {
  --ui-soft: color-mix(in srgb, var(--ui-accent) 18%, transparent);
  --ui-edge: color-mix(in srgb, var(--ui-accent) 58%, var(--line));
}

.ui-alive-control {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-color: var(--ui-edge) !important;
  color: var(--text) !important;
  background: color-mix(in srgb, var(--surface) 80%, var(--ui-accent) 20%) !important;
  box-shadow:
    0 4px 0 rgba(var(--ui-accent-rgb), 0.14),
    0 12px 26px rgba(var(--ui-accent-rgb), 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
  transition:
    color 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.24s ease,
    scale 0.24s ease,
    rotate 0.24s ease,
    translate 0.24s ease;
}

.ui-alive-control::before {
  content: "";
  position: absolute;
  right: 14%;
  bottom: 0;
  left: 14%;
  z-index: -1;
  height: 2px;
  pointer-events: none;
  opacity: 0.28;
  background: var(--ui-accent);
  box-shadow: 0 0 12px rgba(var(--ui-accent-rgb), 0.5);
  transform: scaleX(0.35);
  transform-origin: center;
}

.ui-alive-control.ui-in-view::before {
  animation: ui-edge-breathe var(--ui-float-duration) ease-in-out var(--ui-float-delay) infinite alternate;
}

.ui-alive-control::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(110deg, transparent 22%, rgba(255, 255, 255, 0.34) 48%, transparent 72%);
  transform: translateX(-125%);
  transition: opacity 0.2s ease, transform 0.55s ease;
}

.ui-alive-control:hover,
.ui-alive-control:focus-visible {
  z-index: 3;
  border-color: var(--ui-accent) !important;
  background: color-mix(in srgb, var(--surface) 66%, var(--ui-accent) 34%) !important;
  box-shadow:
    0 7px 0 rgba(var(--ui-accent-rgb), 0.18),
    0 20px 38px rgba(var(--ui-accent-rgb), 0.24),
    0 0 0 3px rgba(var(--ui-accent-rgb), 0.12);
  translate: 0 -5px;
  scale: 1.025;
  rotate: var(--ui-tilt);
}

.ui-alive-control:hover::after,
.ui-alive-control:focus-visible::after {
  opacity: 1;
  transform: translateX(125%);
}

.ui-alive-control:active {
  translate: 0 -1px;
  scale: 0.985;
  box-shadow:
    0 2px 0 rgba(var(--ui-accent-rgb), 0.16),
    0 8px 18px rgba(var(--ui-accent-rgb), 0.18);
}

.ui-alive-control.active,
.ui-alive-control[aria-selected="true"],
.ui-alive-control[aria-pressed="true"],
.ui-alive-control.is-strong,
.nav .ui-alive-control.active {
  border-color: var(--ui-accent) !important;
  color: #080808 !important;
  background: var(--ui-accent) !important;
  box-shadow:
    0 5px 0 rgba(var(--ui-accent-rgb), 0.24),
    0 15px 32px rgba(var(--ui-accent-rgb), 0.24);
}

.ui-alive-frame {
  position: relative;
  border-color: var(--ui-edge) !important;
  box-shadow:
    0 16px 36px rgba(0, 0, 0, 0.12),
    0 0 0 1px rgba(var(--ui-accent-rgb), 0.08),
    inset 0 1px 0 rgba(var(--ui-accent-rgb), 0.12);
  transition:
    border-color 0.28s ease,
    box-shadow 0.28s ease,
    translate 0.28s ease;
}

.ui-alive-frame:hover {
  z-index: 2;
  border-color: color-mix(in srgb, var(--ui-accent) 78%, var(--line)) !important;
  box-shadow:
    0 22px 46px rgba(var(--ui-accent-rgb), 0.16),
    0 0 0 1px rgba(var(--ui-accent-rgb), 0.22),
    inset 4px 0 0 rgba(var(--ui-accent-rgb), 0.7);
  translate: 0 -3px;
}

.ui-alive-text {
  color: color-mix(in srgb, var(--ui-accent) 78%, var(--text)) !important;
  text-decoration-color: rgba(var(--ui-accent-rgb), 0.55);
  transition: color 0.24s ease, text-shadow 0.24s ease;
}

.ui-alive-text:hover {
  color: var(--ui-accent) !important;
  text-shadow: 0 0 18px rgba(var(--ui-accent-rgb), 0.22);
}

input.ui-alive-control,
textarea.ui-alive-control,
select.ui-alive-control {
  animation: none;
  box-shadow: inset 0 0 0 1px rgba(var(--ui-accent-rgb), 0.09);
}

input.ui-alive-control:focus,
textarea.ui-alive-control:focus,
select.ui-alive-control:focus {
  outline: none;
  border-color: var(--ui-accent) !important;
  box-shadow:
    0 0 0 3px rgba(var(--ui-accent-rgb), 0.14),
    0 12px 28px rgba(var(--ui-accent-rgb), 0.12);
  translate: 0 -2px;
  scale: 1;
}

.reading-progress span {
  background: var(--ui-accent);
  box-shadow: 0 0 16px rgba(var(--ui-accent-rgb), 0.58);
}

::selection {
  color: #080808;
  background: var(--ui-accent);
}

@keyframes ui-edge-breathe {
  0% { opacity: 0.22; transform: scaleX(0.28); }
  100% { opacity: 0.88; transform: scaleX(1); }
}

@media (max-width: 720px) {
  .ui-alive-control.ui-in-view::before {
    animation-duration: calc(var(--ui-float-duration) + 1.5s);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ui-alive-control,
  .ui-alive-frame,
  .ui-alive-control::before {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }

  .ui-alive-control:hover,
  .ui-alive-control:focus-visible,
  .ui-alive-frame:hover {
    translate: none;
    scale: 1;
    rotate: 0deg;
  }
}