@import url("../assets/fonts/ibm-plex.css");

:root {
  --k9-space: #121212;
  --k9-panel: #1a1a1a;
  --k9-panel-hover: #242424;
  --k9-card: #1e1e1e;
  --k9-text: #e0e0e0;
  --k9-muted: #b8b8b8;
  --k9-orange: #ffb020;
  --k9-orange-hover: #e09a18;
  --k9-cyan: #5eb3ff;
  --k9-border: #2c2c2c;
  --k9-green: #2ecc71;
  --k9-ui: "IBM Plex Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  /* Fallback until menu.js measures .site-chrome (banner + topic menu). */
  --k9-chrome-top-h: calc(clamp(3.75rem, 8.5vw, 5.5rem) + clamp(3.25rem, 7vw, 4.25rem));
}

.site-chrome {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  width: 100%;
  background: var(--k9-space);
}

.site-banner {
  width: 100%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem clamp(0.75rem, 2vw, 1.5rem);
  border-bottom: 1px solid var(--k9-border);
  background: var(--k9-panel);
}

.site-banner-brand {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: auto;
  max-width: min(100%, 55rem);
  min-width: 0;
}

.site-banner .mark {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: auto;
  max-width: 100%;
  min-width: 0;
  text-decoration: none;
  line-height: 0;
  border-radius: 0.35em;
  transition: box-shadow 0.15s ease;
}

.site-banner .mark img {
  display: block;
  width: auto;
  height: clamp(3.4375rem, 11.25vw, 6.875rem);
  max-width: 100%;
}

body.logo-k9-flip .site-banner .mark img {
  width: auto;
  height: clamp(3.75rem, 14vw, 6.5rem);
  aspect-ratio: 1;
}

.site-banner .mark:hover {
  box-shadow: none;
}

@media (hover: hover) and (pointer: fine) {
  .site-banner .mark:hover {
    box-shadow: 0 0 14px rgba(230, 126, 34, 0.3);
  }
}

/* UC badges: left of centered logo (DELAYED + construction square) */
.uc-pair {
  --uc-size: clamp(3.4375rem, 11.25vw, 6.875rem);
  --uc-gap: clamp(0.85rem, 2.6vw, 1.55rem);
  position: absolute;
  right: calc(100% + var(--uc-gap));
  top: 50%;
  margin-top: calc(var(--uc-size) / -2);
  height: var(--uc-size);
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: clamp(0.3rem, 1vw, 0.5rem);
  z-index: 1;
}

.uc-delayed {
  box-sizing: border-box;
  height: 100%;
  width: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.18em 0.16em;
  border: 2px solid var(--k9-orange);
  border-radius: 0.35em;
  background:
    linear-gradient(180deg, rgba(13, 15, 20, 0.55), rgba(13, 15, 20, 0.82)),
    repeating-linear-gradient(
      -45deg,
      rgba(230, 126, 34, 0.4),
      rgba(230, 126, 34, 0.4) 5px,
      rgba(13, 15, 20, 0.95) 5px,
      rgba(13, 15, 20, 0.95) 10px
    );
  box-shadow:
    0 0 0 1px rgba(230, 126, 34, 0.45),
    0 0 14px rgba(230, 126, 34, 0.5),
    inset 0 0 10px rgba(230, 126, 34, 0.1);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: calc(var(--uc-size) * 0.082);
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  color: var(--k9-orange);
  text-shadow: 0 0 8px rgba(230, 126, 34, 0.55);
  writing-mode: vertical-rl;
  text-orientation: upright;
  animation: uc-delayed-pulse 1.7s ease-in-out infinite;
}

.uc-badge {
  box-sizing: border-box;
  flex: 0 0 auto;
  width: var(--uc-size);
  height: var(--uc-size);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.12em;
  padding: 0.28em 0.2em;
  border: 2px solid var(--k9-orange);
  border-radius: 0.35em;
  background:
    linear-gradient(180deg, rgba(13, 15, 20, 0.55), rgba(13, 15, 20, 0.82)),
    repeating-linear-gradient(
      -45deg,
      rgba(230, 126, 34, 0.55),
      rgba(230, 126, 34, 0.55) 5px,
      rgba(13, 15, 20, 0.95) 5px,
      rgba(13, 15, 20, 0.95) 10px
    );
  box-shadow:
    0 0 0 1px rgba(0, 212, 255, 0.45),
    0 0 16px rgba(230, 126, 34, 0.65),
    0 0 28px rgba(0, 212, 255, 0.22),
    inset 0 0 14px rgba(0, 212, 255, 0.12);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: calc(var(--uc-size) * 0.105);
  line-height: 1.05;
  text-align: center;
  color: var(--k9-text);
  animation: uc-pulse 1.7s ease-in-out infinite;
}

.uc-badge-title {
  margin: 0;
  max-width: 100%;
  font-size: 0.92em;
  font-weight: 800;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--k9-orange-hover);
  text-shadow: 0 0 8px rgba(230, 126, 34, 0.55);
  line-height: 1.08;
}

.uc-badge-days {
  margin: 0;
  font-size: 2.35em;
  font-weight: 800;
  line-height: 1;
  color: var(--k9-cyan);
  text-shadow: 0 0 12px rgba(0, 212, 255, 0.7);
}

.uc-badge-unit {
  margin: 0;
  font-size: 0.95em;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--k9-text);
}

.uc-badge.is-frozen .uc-badge-days {
  color: var(--k9-muted);
  text-shadow: none;
}

@keyframes uc-pulse {
  0%,
  100% {
    box-shadow:
      0 0 0 1px rgba(0, 212, 255, 0.4),
      0 0 14px rgba(230, 126, 34, 0.55),
      0 0 22px rgba(0, 212, 255, 0.18),
      inset 0 0 12px rgba(0, 212, 255, 0.1);
  }
  50% {
    box-shadow:
      0 0 0 2px rgba(0, 212, 255, 0.7),
      0 0 22px rgba(230, 126, 34, 0.85),
      0 0 36px rgba(0, 212, 255, 0.35),
      inset 0 0 16px rgba(0, 212, 255, 0.18);
  }
}

@keyframes uc-delayed-pulse {
  0%,
  100% {
    box-shadow:
      0 0 0 1px rgba(230, 126, 34, 0.4),
      0 0 12px rgba(230, 126, 34, 0.45),
      inset 0 0 8px rgba(230, 126, 34, 0.08);
  }
  50% {
    box-shadow:
      0 0 0 2px rgba(230, 126, 34, 0.7),
      0 0 20px rgba(230, 126, 34, 0.7),
      inset 0 0 12px rgba(230, 126, 34, 0.14);
  }
}

@media (prefers-reduced-motion: reduce) {
  .uc-badge,
  .uc-delayed {
    animation: none;
  }
}

.site-menu {
  width: 100%;
  box-sizing: border-box;
  border-bottom: 1px solid var(--k9-border);
  background: var(--k9-panel);
  padding: 0.55em clamp(0.5rem, 2vw, 1.5rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5em;
  font-family: var(--k9-ui);
  font-size: clamp(0.78rem, 1.55vw, 0.95rem);
}

.site-menu ul.menu-pages {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5em;
  width: auto;
  max-width: 100%;
  box-sizing: border-box;
}

.site-menu ul.menu-pages li {
  flex: 0 0 auto;
  width: auto;
  min-width: 0;
}

.site-menu a {
  display: inline-block;
  box-sizing: border-box;
  width: auto;
  max-width: 100%;
  padding: 0.55em 0.7em;
  border: 1px solid var(--k9-border);
  border-radius: 0.65rem;
  background: var(--k9-space);
  font-family: var(--k9-ui);
  font-size: 1em;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--k9-text);
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  line-height: 1.25;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.site-menu a:hover {
  color: var(--k9-orange-hover);
  border-color: var(--k9-orange);
  background: var(--k9-panel-hover);
}

.site-menu a.menu-inert {
  cursor: pointer;
  min-height: 2.55em;
}

.site-menu a[aria-current="page"] {
  color: var(--k9-cyan);
  border-color: var(--k9-cyan);
  background: rgba(0, 212, 255, 0.08);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.15);
  font-weight: 600;
  letter-spacing: 0;
}

.site-menu .menu-has-kids {
  position: relative;
}

.site-menu .menu-parent {
  display: inline-block;
  box-sizing: border-box;
  margin: 0;
  padding: 0.55em 0.7em;
  border: 1px solid var(--k9-border);
  border-radius: 0.65rem;
  background: var(--k9-space);
  font-family: var(--k9-ui);
  font-size: 1em;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--k9-text);
  line-height: 1.25;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.site-menu .menu-parent:hover,
.site-menu .menu-has-kids.is-open > .menu-parent {
  color: var(--k9-orange-hover);
  border-color: var(--k9-orange);
  background: var(--k9-panel-hover);
}

.site-menu .menu-parent.is-active,
.site-menu .menu-has-kids.is-active > .menu-parent {
  color: var(--k9-cyan);
  border-color: var(--k9-cyan);
  background: rgba(0, 212, 255, 0.08);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.15);
  font-weight: 600;
}

.site-menu .menu-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 0.35em);
  left: 0;
  z-index: 60;
  min-width: max(100%, 11.5em);
  margin: 0;
  padding: 0.35em;
  list-style: none;
  border: 1px solid var(--k9-border);
  border-radius: 0.65rem;
  background: var(--k9-panel);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
  flex-direction: column;
  align-items: stretch;
  gap: 0.3em;
  box-sizing: border-box;
}

/* Hover bridge: full width under the trigger so the gap does not close the menu */
.site-menu .menu-has-kids > .menu-dropdown::before {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  bottom: 100%;
  height: 0.55em;
}

.site-menu .menu-has-kids.is-open > .menu-dropdown {
  display: flex;
}

.site-menu .menu-dropdown > li {
  width: 100%;
  position: relative;
}

.site-menu .menu-dropdown a {
  display: block;
  width: 100%;
  text-align: left;
  white-space: nowrap;
}

.site-menu .menu-drop-label {
  display: block;
  box-sizing: border-box;
  width: 100%;
  margin: 0;
  padding: 0.55em 0.7em;
  border: 1px solid var(--k9-border);
  border-radius: 0.65rem;
  background: var(--k9-space);
  font-family: var(--k9-ui);
  font-size: 1em;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--k9-text);
  line-height: 1.25;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.site-menu .menu-drop-label:hover,
.site-menu .menu-nested.is-open > .menu-drop-label {
  color: var(--k9-orange-hover);
  border-color: var(--k9-orange);
  background: var(--k9-panel-hover);
}

.site-menu .menu-drop-label.is-active,
.site-menu .menu-nested.is-active > .menu-drop-label {
  color: var(--k9-cyan);
  border-color: var(--k9-cyan);
  background: rgba(0, 212, 255, 0.08);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.15);
  font-weight: 600;
}

.site-menu .menu-nested > .menu-dropdown {
  top: 0;
  left: calc(100% + 0.35em);
  min-width: 10.5em;
}

.site-menu .menu-nested > .menu-dropdown::before {
  left: auto;
  right: 100%;
  top: 0;
  bottom: auto;
  width: 0.55em;
  height: 100%;
}

.site-menu .menu-nested.is-open > .menu-dropdown {
  display: flex;
}

.menu-soon {
  width: auto;
  max-width: 100%;
  box-sizing: border-box;
}

.menu-soon-label {
  margin: 0 0 0.4em;
  text-align: center;
  font-family: var(--k9-ui);
  font-size: 0.72em;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--k9-muted);
}

.menu-soon-pages {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.4em;
  width: auto;
}

.menu-soon-pages li {
  flex: 0 0 auto;
  width: auto;
}

.site-menu a.menu-stub {
  font-size: 0.9em;
  font-weight: 400;
  color: var(--k9-muted);
  border-style: dashed;
  border-color: rgba(136, 153, 170, 0.45);
  background: rgba(10, 14, 22, 0.55);
}

.site-menu a.menu-stub:hover {
  color: var(--k9-text);
  border-color: var(--k9-muted);
  background: var(--k9-panel-hover);
}

.site-menu a.menu-stub[aria-current="page"] {
  color: var(--k9-cyan);
  border-style: solid;
}

.site-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  width: 100%;
  box-sizing: border-box;
  border-top: 1px solid var(--k9-border);
  background: var(--k9-panel);
  padding: 0.45rem clamp(0.75rem, 2vw, 1.5rem);
  padding-bottom: calc(0.45rem + env(safe-area-inset-bottom, 0px));
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--k9-ui);
}

.site-footer .footer-home {
  justify-self: start;
  display: inline-block;
  box-sizing: border-box;
  padding: 0.35em 0.8em;
  border: 1px solid var(--k9-border);
  border-radius: 0.55rem;
  background: var(--k9-space);
  font-family: var(--k9-ui);
  font-size: clamp(0.75rem, 1.35vw, 0.85rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--k9-text);
  text-decoration: none;
  line-height: 1.25;
  white-space: nowrap;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

@media (hover: hover) and (pointer: fine) {
  .site-footer .footer-home:hover {
    color: var(--k9-orange-hover);
    border-color: var(--k9-orange);
    background: var(--k9-panel-hover);
  }
}

.site-footer .footer-home[aria-current="page"] {
  color: var(--k9-cyan);
  border-color: var(--k9-cyan);
  background: rgba(0, 212, 255, 0.08);
}

.site-footer .copy {
  margin: 0;
  justify-self: center;
  text-align: center;
  font-size: clamp(0.78rem, 1.5vw, 0.95rem);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.35;
  color: var(--k9-muted);
  white-space: nowrap;
}

.site-footer .footer-email {
  justify-self: end;
  font-size: clamp(0.78rem, 1.5vw, 0.95rem);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.35;
  color: var(--k9-muted);
  text-decoration: none;
  white-space: nowrap;
}

.site-footer .footer-email:hover {
  color: var(--k9-orange);
}

body.has-chrome {
  padding-top: var(--k9-chrome-top-h);
  padding-bottom: 3.25rem;
}

/* Embedded apps (space-wars-web #root): no full-viewport min-height under chrome. */
body.has-chrome #root > div {
  min-height: auto;
}

body.has-chrome #k9dtv-gh.page-main {
  background: transparent;
}

/* Desktop: chip menu hidden */
.menu-chip-trigger,
.menu-trace-nav {
  display: none;
}

@media (min-width: 768px) {
  .site-banner {
    padding: 0.35rem clamp(1rem, 3vw, 2rem);
  }

  .site-banner .mark img {
    height: clamp(2.75rem, 7.5vw, 5rem);
  }

  body.logo-k9-flip .site-banner .mark img {
    height: clamp(3.25rem, 8vw, 5.25rem);
  }

  .uc-pair {
    --uc-size: clamp(2.75rem, 7.5vw, 5rem);
  }

  .site-menu {
    padding: 0.28em clamp(0.4rem, 1.6vw, 2rem) 0.35em;
    gap: 0.3em;
    /* Shrink with window so buttons stay one row until mobile */
    font-size: clamp(0.48rem, 1.1vw, 0.85rem);
  }

  .site-menu ul.menu-pages {
    flex-wrap: nowrap;
    gap: clamp(0.2em, 0.45vw, 0.55em);
    max-width: 100%;
  }

  .menu-soon {
    max-width: 100%;
  }

  .menu-soon-pages {
    flex-wrap: nowrap;
    gap: clamp(0.2em, 0.4vw, 0.45em);
  }

  .site-menu a {
    padding: 0.28em clamp(0.28em, 0.5vw, 0.65em);
    letter-spacing: -0.02em;
  }

  .site-menu .menu-parent {
    padding: 0.28em clamp(0.28em, 0.5vw, 0.65em);
    letter-spacing: -0.02em;
  }

  .site-menu .menu-drop-label {
    padding: 0.28em clamp(0.28em, 0.5vw, 0.65em);
    letter-spacing: -0.02em;
  }

  .site-menu a.menu-inert {
    min-height: 0;
  }

  .site-menu a:hover {
    box-shadow: 0 0 10px rgba(230, 126, 34, 0.12);
  }

  .site-footer {
    padding: 0.55rem clamp(1rem, 3vw, 2rem);
  }
}

/* Mobile: IC chip menu with trace lines (chip right, nav left) */
@media (max-width: 767px) {
  .site-menu {
    display: none !important;
  }

  :root {
    --k9-chrome-top-h: clamp(4.8875rem, 14.95vw, 6.0375rem);
  }

  body.has-chrome {
    padding-top: var(--k9-chrome-top-h);
    padding-bottom: var(--k9-footer-h, 3rem);
  }

  .site-footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: auto;
    margin-top: 0;
  }

  .site-banner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    justify-content: unset;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .site-banner .mark,
  .site-banner .site-banner-brand {
    grid-column: 2;
    justify-self: center;
    max-width: 100%;
  }

  .site-banner .mark img {
    height: clamp(3.953125rem, 12.9375vw, 7.90625rem);
  }

  .uc-pair {
    --uc-size: clamp(3.953125rem, 12.9375vw, 7.90625rem);
    --uc-gap: clamp(0.65rem, 2.2vw, 1.15rem);
  }

  .site-banner-brand {
    max-width: 100%;
  }

  .menu-chip-trigger {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    grid-column: 3;
    justify-self: center;
    align-self: center;
    right: auto;
    top: auto;
    transform: none;
    width: auto;
    min-width: 44px;
    margin: 0;
    padding: 0;
    gap: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    cursor: pointer;
    line-height: 0;
    z-index: 1003;
    -webkit-tap-highlight-color: transparent;
  }

  .menu-chip-trigger .menu-chip-icon {
    width: 3.18381525rem;
    height: 3.18381525rem;
    display: block;
    flex-shrink: 0;
  }

  .menu-chip-label {
    position: absolute;
    top: calc(100% + 0.08rem);
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--k9-ui);
    font-size: 0.58rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--k9-muted);
    line-height: 1;
    white-space: nowrap;
  }

  .menu-chip-trigger.is-open .menu-chip-icon {
    filter: drop-shadow(0 0 6px rgba(0, 212, 255, 0.55));
  }

  .menu-chip-trigger.is-open .menu-chip-label {
    color: var(--k9-cyan);
  }

  .menu-trace-nav {
    display: block;
    visibility: hidden;
    pointer-events: none;
  }

  .menu-trace-nav[hidden] {
    display: none !important;
  }

  .menu-trace-nav.is-open {
    visibility: visible;
    pointer-events: auto;
  }

  /* Keep nav visible while menu chrome leaves and dim overlay fades (~200ms).
     Without this, dropping is-open hides the overlay instantly (visibility:hidden). */
  .menu-trace-nav.is-closing,
  .menu-trace-nav.is-panel-closing {
    visibility: visible;
    pointer-events: none;
  }

  body.menu-trace-open {
    overflow: hidden;
  }

  .menu-trace-backdrop,
  .menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 1001;
    margin: 0;
    padding: 0;
    border: none;
    background: rgba(13, 15, 20, 0.72);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.12s ease;
    pointer-events: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
  }

  .menu-trace-backdrop:focus,
  .menu-trace-backdrop:focus-visible,
  .menu-trace-backdrop:active {
    background: rgba(13, 15, 20, 0.72);
    outline: none;
    box-shadow: none;
  }

  .menu-trace-nav.is-open .menu-trace-backdrop,
  .menu-trace-nav.is-open .menu-overlay {
    opacity: 1;
    pointer-events: auto;
  }

  .menu-trace-svg {
    position: fixed;
    inset: 0;
    z-index: 1002;
    pointer-events: none;
    overflow: visible;
    opacity: 0;
    transition: opacity 0.1s ease;
  }

  .menu-trace-nav.is-open .menu-trace-svg {
    opacity: 1;
    transition-delay: 0.02s;
  }

  .menu-trace-path {
    fill: none;
    stroke: var(--k9-cyan);
    stroke-width: 1.5;
    stroke-linecap: butt;
    stroke-linejoin: miter;
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
    opacity: 0.85;
  }

  .menu-trace-nav.is-open .menu-trace-path {
    animation: menu-trace-draw 0.08s ease-out forwards;
    animation-delay: calc(var(--trace-delay, 0s) + 0.03s);
  }

  @keyframes menu-trace-draw {
    to {
      stroke-dashoffset: 0;
    }
  }

  @keyframes menu-trace-retract {
    to {
      stroke-dashoffset: 1;
    }
  }

  /* Menu chrome gone; only dim overlay remains and fades ~200ms. */
  .menu-trace-nav.is-panel-closing .menu-trace-backdrop,
  .menu-trace-nav.is-panel-closing .menu-overlay {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease-out;
  }

  .menu-trace-nav.is-panel-closing .menu-trace-list,
  .menu-trace-nav.is-panel-closing .mobile-menu,
  .menu-trace-nav.is-panel-closing .menu-trace-svg {
    opacity: 0 !important;
    visibility: hidden;
    pointer-events: none;
    transition: none;
  }

  /* Hold full dim while lines/pills leave (before brightness step). */
  .menu-trace-nav.is-closing .menu-trace-backdrop,
  .menu-trace-nav.is-closing .menu-overlay {
    opacity: 1;
    pointer-events: none;
    transition: none;
  }

  .menu-trace-nav.is-closing .menu-trace-svg {
    opacity: 1 !important;
    transition: none;
    visibility: visible;
  }

  .menu-trace-nav.is-closing .menu-trace-path {
    animation: none;
    stroke-dashoffset: 0;
    opacity: 0.85;
  }

  .menu-trace-nav.is-closing .menu-trace-list,
  .menu-trace-nav.is-closing .mobile-menu {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.06s ease;
  }

  .menu-trace-path.is-retracting {
    animation: menu-trace-retract 0.13s ease-in forwards !important;
    animation-delay: calc((var(--trace-max, 8) - var(--trace-i, 0)) * 0.008s) !important;
    stroke-dashoffset: 0;
  }

  .menu-trace-list,
  .mobile-menu {
    position: fixed;
    top: calc(clamp(4.8875rem, 14.95vw, 6.0375rem) + 0.2rem - 25px);
    left: 0.55rem;
    z-index: 1003;
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.08rem;
    max-height: calc(100vh - clamp(4.8875rem, 14.95vw, 6.0375rem) - 3.5rem);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    pointer-events: none;
    transition: transform 0.1s ease, opacity 0.1s ease;
    transform: translateX(-100%);
    opacity: 0;
  }

  .menu-trace-nav.is-open .menu-trace-list,
  .menu-trace-nav.is-open .mobile-menu {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
  }

  .menu-trace-link {
    display: block;
    box-sizing: border-box;
    padding: 0.28em 0.7em;
    border: 1px solid var(--k9-border);
    border-radius: 0.5rem;
    background: var(--k9-panel);
    font-family: var(--k9-ui);
    font-size: 0.84rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--k9-text);
    text-decoration: none;
    text-align: left;
    white-space: nowrap;
    line-height: 1.15;
    opacity: 0;
    transform: translateX(-0.5rem);
    transition: opacity 0.08s ease, transform 0.08s ease, color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
    transition-delay: calc(var(--trace-i, 0) * 0.008s + 0.05s);
    pointer-events: auto;
  }

  .menu-trace-nav.is-open .menu-trace-link {
    opacity: 1;
    transform: translateX(0);
  }

  .menu-trace-link.menu-inert {
    min-width: 7.5rem;
    min-height: 0;
  }

  .menu-trace-nav:not(.is-open) .menu-trace-link {
    transition-delay: 0s;
  }

  .menu-trace-link[aria-current="page"] {
    color: var(--k9-cyan);
    border-color: var(--k9-cyan);
    background: rgba(0, 212, 255, 0.08);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.15);
    font-weight: 600;
    letter-spacing: 0;
  }

  /* Light mode: selected fill stays transparent over dark overlay.
     Label must be white; outline bright cyan - dark teal was invisible. */
  html[data-theme="light"] .menu-trace-link[aria-current="page"] {
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
    border: 2.5px solid #38bdf8 !important;
    outline: none !important;
    background: transparent !important;
    background-color: transparent !important;
    background-image: none !important;
    box-shadow: none !important;
    font-weight: 700 !important;
    text-shadow: 0 0 3px rgba(0, 0, 0, 1), 0 1px 2px rgba(0, 0, 0, 1);
    opacity: 1 !important;
  }

  .menu-trace-soon {
    margin: 0.08em 0 0.04em;
    padding: 0.08em 0.7em;
    font-family: var(--k9-ui);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--k9-muted);
    pointer-events: none;
  }

  .menu-trace-group {
    margin: 0.22em 0 0.04em;
    padding: 0.1em 0.7em;
    font-family: var(--k9-ui);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--k9-cyan);
    pointer-events: none;
  }

  .menu-trace-subgroup {
    margin: 0.1em 0 0.02em;
    padding-right: 1em;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--k9-muted);
  }

  .menu-trace-link.menu-stub {
    font-size: 0.9em;
    font-weight: 400;
    color: var(--k9-muted);
    border-style: dashed;
  }
}

@media (max-width: 767px) and (prefers-reduced-motion: reduce) {
  .menu-trace-backdrop,
  .menu-overlay,
  .menu-trace-svg,
  .menu-trace-list,
  .mobile-menu,
  .menu-trace-link {
    transition: none;
  }

  .menu-trace-path {
    animation: none;
    stroke-dashoffset: 0;
  }

  .menu-trace-nav.is-open .menu-trace-list,
  .menu-trace-nav.is-open .mobile-menu {
    transform: none;
    opacity: 1;
  }

  .menu-trace-nav.is-open .menu-trace-backdrop,
  .menu-trace-nav.is-open .menu-overlay,
  .menu-trace-nav.is-open .menu-trace-svg {
    opacity: 1;
  }

  .menu-trace-nav.is-open .menu-trace-link {
    opacity: 1;
    transform: none;
  }

  .menu-trace-path.is-retracting {
    animation: none !important;
    stroke-dashoffset: 1;
  }
}

@media (max-width: 360px) {
  .site-footer {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 0.35rem;
    padding-top: 0.4rem;
    padding-bottom: calc(0.4rem + env(safe-area-inset-bottom, 0px));
  }

  .site-footer .footer-home,
  .site-footer .copy,
  .site-footer .footer-email {
    justify-self: center;
  }

  .site-footer .copy,
  .site-footer .footer-email {
    white-space: normal;
    font-size: 0.72rem;
    line-height: 1.3;
    text-align: center;
  }
}