:root {
  --scene-ink: #071015;
  --scene-pearl: #e6eff1;
  --scene-cyan: #84ccd4;
  --paper: #fff;
  --switch-duration: 360ms;
}

html { min-height: 100%; background: var(--paper); }
body {
  max-width: none;
  margin: 0;
  padding: 0;
  min-height: 100dvh;
  background: var(--paper);
  color: #171b1e;
}
[hidden] { display: none !important; }
body[data-view="scene"] { overflow: hidden; }

#scene-layer {
  position: fixed;
  inset: 0;
  z-index: 1;
  height: 100dvh;
  background: var(--scene-ink);
  color: var(--scene-pearl);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--switch-duration) ease, visibility 0s var(--switch-duration);
}
body[data-view="scene"] #scene-layer {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}
#fluid-canvas { display: block; width: 100%; height: 100%; outline: none; }
#fluid-canvas:focus-visible { outline: 1px solid var(--scene-cyan); outline-offset: -8px; }
.scene-shade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, #071015eb, #071015b8 20%, transparent 43%, transparent 80%, #0710158c);
}
.scene-footer {
  position: absolute;
  bottom: max(24px, env(safe-area-inset-bottom));
  left: max(36px, env(safe-area-inset-left));
  right: max(36px, env(safe-area-inset-right));
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
  color: #b7c7cd;
  font: 13px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.scene-actions { display: flex; align-items: center; gap: 24px; }
#scene-pause, #scene-reset {
  min-width: 44px;
  min-height: 44px;
  padding: 0 4px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  pointer-events: auto;
}
#scene-pause:disabled { cursor: default; }
#scene-pause:hover:not(:disabled), #scene-reset:hover { color: var(--scene-pearl); }
#site-header {
  position: relative;
  z-index: 2;
  box-sizing: border-box;
  width: min(100%, 80ch);
  margin: 0 auto;
  padding: 80px 24px 32px;
  text-align: center;
  pointer-events: none;
  transition: color var(--switch-duration) ease;
}
#site-header h1 {
  margin: 0 0 10px;
  font-size: 2.6rem;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -.035em;
  color: inherit;
}
#site-header nav { font-size: 1rem; line-height: 1.6; }
#site-header nav a { display: inline-flex; min-height: 44px; align-items: center; }
#site-header a { color: inherit; pointer-events: auto; text-underline-offset: .22em; }
#site-header nav a { text-decoration: none; }
#site-header nav a:hover { text-decoration: underline; }
body[data-view="scene"] #site-header { color: var(--scene-pearl); }
body[data-view="scene"] #site-header nav { color: #c6d4d9; }
#view-toggle {
  position: absolute;
  top: max(24px, env(safe-area-inset-top));
  right: max(32px, env(safe-area-inset-right));
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 4px;
  font: 14px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-decoration: none;
}
#view-toggle svg { width: 21px; height: 21px; }
body.chaewon-mode #view-toggle {
  top: max(36px, env(safe-area-inset-top));
  left: max(32px, env(safe-area-inset-left));
  right: auto;
}
#view-toggle:hover span { text-decoration: underline; text-underline-offset: 5px; }
body[data-view="profile"] #view-toggle { background: #fffffff2; color: #36434a; }
a:focus-visible, button:focus-visible { outline: 2px solid #387a90; outline-offset: 5px; }
body[data-view="scene"] a:focus-visible, body[data-view="scene"] button:focus-visible { outline-color: var(--scene-cyan); }

#profile-panel {
  box-sizing: border-box;
  width: min(100%, 80ch);
  margin: 0 auto;
  padding: 0 24px 32px;
  animation: paper-appear var(--switch-duration) ease both;
}
@keyframes paper-appear { from { opacity: 0; } to { opacity: 1; } }
#profile-panel main { padding: 0; }
#profile-panel footer { margin-top: 2rem; }
.bio-flex { display: flex; align-items: flex-start; gap: 1.5rem; margin-bottom: 1.5rem; }
.bio-copy { flex-grow: 1; order: 1; }
.bio-copy p:first-child { margin-block-start: 0; }
.bio-copy p:last-child { margin-block-end: 0; }
.bio-flex img { width: clamp(170px, 18vw, 240px); border-radius: 8px; flex-shrink: 0; height: auto; order: 2; }
.bio-flex picture { display: contents; }
#profile-status { color: #435965; font-size: .9rem; }
#scene-status { position: absolute; top: 35%; left: 24px; right: 24px; text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

@media (max-width: 700px) {
  #site-header { padding-top: 88px; padding-bottom: 26px; }
  #site-header h1 { font-size: 2.3rem; }
  #site-header nav { font-size: .95rem; }
  #view-toggle { top: max(16px, env(safe-area-inset-top)); right: max(20px, env(safe-area-inset-right)); }
  .scene-footer { left: 24px; right: 24px; bottom: max(16px, env(safe-area-inset-bottom)); }
  .bio-flex { display: block; }
  .bio-flex img { float: right; max-width: 45%; height: auto; margin: 0 0 .75rem 1rem; }
  .bio-flex::after { content: ""; display: block; clear: both; }
}
@media (prefers-reduced-motion: reduce) {
  :root { --switch-duration: 0ms; }
  #profile-panel { animation: none; }
}