:root {
  --ui-text: rgba(67, 60, 52, 0.90);
  --page-bg: #f8f8f8;
  --material-bg: rgba(250, 249, 247, 0.72);
  --material-border: rgba(67, 60, 52, 0.10);
  --material-shadow: 0 10px 34px rgba(40, 35, 30, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.30);
  --material-backdrop: blur(22px) saturate(150%);
  --plate-chip: rgba(67, 60, 52, 0.10);
  --loader-surface: #ffffff;
  --loader-ink: #2b2722;
  --loader-label: rgba(43, 39, 34, 0.58);
}

html[data-theme="dark"] {
  --loader-surface: #1e1e1e;
  --loader-ink: #f8f8f8;
  --loader-label: rgba(248, 248, 248, 0.58);
}

html:not([data-project-theme-ready]) body,
html:not([data-project-theme-ready]) .project-route-loader,
html:not([data-project-theme-ready]) .project-route-nav {
  transition: none !important;
}

* { box-sizing: border-box; }

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--page-bg);
  color: var(--ui-text);
}

body { overflow: hidden; }

.project-route-loader {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  color: var(--loader-ink);
  background: var(--loader-surface);
  opacity: 1;
  visibility: visible;
  transition: opacity 220ms ease, visibility 0s linear 220ms,
    color 500ms ease, background-color 500ms ease;
}

.project-route-loader liquid-loader {
  width: min(76vw, 280px);
  --liquid-loader-label-color: var(--loader-label);
  --liquid-loader-fallback-size: 64px;
}

body[data-loading="0"] .project-route-loader {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.project-route-loader liquid-loader:not(:defined) {
  display: grid;
  justify-items: center;
  gap: 8px;
}

.project-route-loader liquid-loader:not(:defined) .liquid-loader-fallback-orb {
  display: block;
  width: var(--liquid-loader-fallback-size, 64px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: currentColor;
}

.project-route-loader liquid-loader:not(:defined) .liquid-loader-fallback-label {
  color: var(--liquid-loader-label-color, currentColor);
  font: 400 12px/1.3 "Roboto", "Helvetica Neue", Arial, sans-serif;
  letter-spacing: 0.06em;
}

.project-route-header {
  position: fixed;
  top: clamp(18px, 3vw, 42px);
  left: clamp(20px, 4vw, 52px);
  right: clamp(20px, 4vw, 52px);
  z-index: 100;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  pointer-events: none;
}

.project-route-header site-logo,
.project-route-nav { pointer-events: auto; }

.project-route-header site-logo .site-logo__mark {
  filter: drop-shadow(0 1px 8px rgba(255, 255, 255, 0.58));
}

html[data-theme="dark"] .project-route-header site-logo .site-logo__mark {
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.48));
}

.project-route-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  border: 1px solid var(--material-border);
  border-radius: 999px;
  background: var(--material-bg);
  box-shadow: var(--material-shadow);
  backdrop-filter: var(--material-backdrop);
  -webkit-backdrop-filter: var(--material-backdrop);
  transition: background-color 500ms ease, border-color 500ms ease, box-shadow 500ms ease;
}

.project-route-nav theme-toggle[hidden] { display: none; }
.project-route-nav .theme-toggle-btn { width: 40px; height: 40px; }

.project-route-nav a {
  padding: 8px clamp(14px, 1.4vw, 20px);
  border-radius: 999px;
  color: var(--ui-text);
  font: 400 clamp(12px, 1.05vw, 15px)/1 "Roboto", "Helvetica Neue", Arial, sans-serif;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: background 180ms ease;
}

.project-route-nav a:hover,
.project-route-nav a:focus-visible { background: var(--plate-chip); }

.project-route-nav a:focus-visible,
.project-route-header site-logo a:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 3px;
}

.project-route-main { width: 100%; height: 100vh; height: 100dvh; }

.project-route-frame {
  display: block;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  border: 0;
  background: var(--page-bg);
}

.project-route-error {
  width: min(560px, calc(100% - 40px));
  margin: 35vh auto 0;
  font: 400 18px/1.5 "Roboto", "Helvetica Neue", Arial, sans-serif;
  text-align: center;
}

.project-route-error a { color: inherit; }

@media (max-width: 640px) {
  .project-route-header {
    top: 16px;
    left: 16px;
    right: 16px;
  }

  .project-route-nav { padding: 5px 7px; }
  .project-route-nav a { padding: 7px 9px; font-size: 11px; letter-spacing: 0.025em; }
}

@media (max-width: 390px) {
  .project-route-nav a { padding-inline: 7px; font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .project-route-nav a { transition: none; }
  .project-route-loader { transition: none; }
}