:root {
  color-scheme: light dark;
}

:root[data-theme="light"] {
  --bg: 242, 241, 236;
  --fg: 26, 25, 22;
  --muted: 107, 106, 99;
  --card-bg: 255, 255, 255;
  --card-bg-a: 0.55;
  --card-border: 26, 25, 22;
  --card-border-a: 0.08;
  --shadow: 0 10px 30px rgba(20, 20, 18, 0.08);
  --tag-bg: 26, 25, 22;
  --tag-bg-a: 0.06;

  --aurora-bg: 242, 241, 236;
  --aurora-a: 20, 160, 145;
  --aurora-b: 90, 90, 220;
  --aurora-c: 195, 70, 150;
  --aurora-alpha: 0.48;
  --aurora-radius-scale: 1.7;
  --aurora-amp-scale: 1.85;
  --aurora-blur: 22px;
}

:root[data-theme="dark"] {
  --bg: 15, 16, 19;
  --fg: 235, 234, 229;
  --muted: 152, 151, 145;
  --card-bg: 30, 31, 36;
  --card-bg-a: 0.6;
  --card-border: 255, 255, 255;
  --card-border-a: 0.08;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  --tag-bg: 255, 255, 255;
  --tag-bg-a: 0.06;

  --aurora-bg: 10, 11, 14;
  --aurora-a: 45, 212, 191;
  --aurora-b: 99, 102, 241;
  --aurora-c: 217, 70, 239;
  --aurora-alpha: 0.12;
  --aurora-radius-scale: 0.8;
  --aurora-amp-scale: 0.2;
  --aurora-blur: 20px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: rgb(var(--bg));
  color: rgb(var(--fg));
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  transition: background-color 0.4s ease, color 0.4s ease;
}

#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  display: block;
  background: rgb(var(--aurora-bg));
  filter: blur(var(--aurora-blur));
  transition: filter 0.4s ease;
}

.page {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 72px 24px 48px;
}

.intro {
  text-align: center;
  margin-bottom: 44px;
}

.intro h1 {
  margin: 0;
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.handle {
  margin: 4px 0 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
  color: rgba(var(--muted), 1);
}

.bio {
  max-width: 480px;
  margin: 16px auto 0;
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(var(--fg), 0.85);
}

.blocks {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.block {
  padding: 24px 28px;
  background: rgba(var(--card-bg), var(--card-bg-a));
  border: 1px solid rgba(var(--card-border), var(--card-border-a));
  border-radius: 16px;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  box-shadow: var(--shadow);
}

.block h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 600;
}

.block p {
  margin: 0 0 14px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(var(--fg), 0.85);
}

.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.tags li {
  font-size: 0.78rem;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(var(--tag-bg), var(--tag-bg-a));
  border: 1px solid rgba(var(--card-border), var(--card-border-a));
  color: rgba(var(--fg), 0.8);
}

.quote {
  max-width: 480px;
  margin: 40px auto 0;
  text-align: center;
  font-style: italic;
  font-size: 0.9rem;
  color: rgba(var(--muted), 1);
}

.icon-button {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(var(--card-border), var(--card-border-a));
  background: rgba(var(--card-bg), var(--card-bg-a));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: rgba(var(--fg), 0.8);
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.icon-button:hover,
.icon-button:focus-visible {
  opacity: 1;
  transform: scale(1.06);
}

.icon-button .icon {
  width: 17px;
  height: 17px;
}

.icon-sun,
.icon-moon {
  display: none;
}

:root[data-theme="dark"] .icon-sun {
  display: block;
}

:root[data-theme="light"] .icon-moon {
  display: block;
}

.page-footer {
  flex-shrink: 0;
  text-align: center;
  padding: 20px 24px;
  font-size: 0.82rem;
  color: rgba(var(--muted), 1);
}

.page-footer a {
  color: rgba(var(--muted), 1);
  text-decoration: none;
}

.page-footer a:hover,
.page-footer a:focus-visible {
  color: rgb(var(--fg));
  text-decoration: underline;
}

body.no-canvas {
  background: radial-gradient(
    circle at 25% 30%,
    rgba(var(--aurora-a), 0.18),
    transparent 55%
  ),
  radial-gradient(
    circle at 75% 40%,
    rgba(var(--aurora-b), 0.16),
    transparent 55%
  ),
  radial-gradient(
    circle at 50% 80%,
    rgba(var(--aurora-c), 0.14),
    transparent 55%
  ),
  rgb(var(--bg));
  background-size: 200% 200%;
  animation: drift 50s ease-in-out infinite alternate;
}

@keyframes drift {
  0% { background-position: 0% 0%, 100% 100%; }
  100% { background-position: 100% 60%, 0% 40%; }
}

@media (max-width: 520px) {
  .page {
    padding: 64px 16px 40px;
  }

  .block {
    padding: 20px 20px;
  }
}