:root {
  --portfolio-dock-accent: #5d80df;
  --portfolio-dock-ink: #27385f;
  --portfolio-dock-muted: #7b8499;
  --portfolio-dock-ease: cubic-bezier(0.22, 1, 0.36, 1);
  /* Each primary page supplies its own body/mono roles. This keeps the
     shared dock aligned without requiring an unloaded display font. */
  --portfolio-dock-body: var(
    --portfolio-font-body,
    "Noto Sans SC",
    "PingFang SC",
    "Microsoft YaHei",
    system-ui,
    sans-serif
  );
  --portfolio-dock-mono: var(
    --portfolio-font-mono,
    "DM Mono",
    ui-monospace,
    "SFMono-Regular",
    Consolas,
    monospace
  );
}

/* Give the three primary destinations a clear, stable color identity even on
   pages that do not load the optional palette layer. */
.portfolio-dock[data-active="home"] { --dock-active-pop: #df5a87; }
.portfolio-dock[data-active="work"] { --dock-active-pop: #5d80df; }
.portfolio-dock[data-active="about"] { --dock-active-pop: #e99a43; }

.portfolio-dock {
  position: fixed;
  bottom: calc(20px + env(safe-area-inset-bottom));
  left: 50%;
  z-index: 160;
  isolation: isolate;
  display: grid;
  width: min(456px, calc(100vw - 28px));
  min-height: 66px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding: 7px;
  border: 2px solid rgba(255, 255, 255, 0.96);
  border-radius: 999px;
  background: #edf1fb;
  box-shadow: 0 10px 24px rgba(56, 73, 126, 0.13);
  transform: translateX(-50%);
  transition:
    opacity 0.28s ease,
    transform 0.42s var(--portfolio-dock-ease);
}

.portfolio-dock.is-autohidden {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, calc(100% + 34px));
}

.portfolio-dock__indicator {
  position: absolute;
  top: 7px;
  left: 7px;
  z-index: 0;
  width: calc((100% - 14px) / 3);
  height: calc(100% - 14px);
  border: 0;
  border-radius: 999px;
  background: var(--dock-active-pop, var(--portfolio-dock-accent));
  box-shadow: none;
  pointer-events: none;
  transform: translate3d(0, 0, 0);
  transition:
    width 0.36s var(--portfolio-dock-ease),
    transform 0.42s var(--portfolio-dock-ease),
    background 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.portfolio-dock[data-active="work"] .portfolio-dock__indicator {
  transform: translate3d(100%, 0, 0);
}

.portfolio-dock[data-active="about"] .portfolio-dock__indicator {
  transform: translate3d(200%, 0, 0);
}

.portfolio-dock__indicator::after {
  display: none;
}

.portfolio-dock .portfolio-dock__item {
  position: relative;
  z-index: 1;
  display: flex;
  min-width: 0;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  appearance: none;
  background: transparent;
  color: var(--portfolio-dock-muted);
  cursor: pointer;
  font-family: var(--portfolio-dock-body);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transform: translateY(0);
  transition:
    color 0.24s ease,
    background 0.24s ease,
    transform 0.34s var(--portfolio-dock-ease);
}

.portfolio-dock .portfolio-dock__number,
.portfolio-dock .portfolio-dock__label {
  display: inline-flex;
  align-items: center;
}

.portfolio-dock .portfolio-dock__label {
  font-family: var(--portfolio-dock-body);
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
}

.portfolio-dock .portfolio-dock__number {
  color: #939cb1;
  font-family: var(--portfolio-dock-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: color 0.24s ease;
}

.portfolio-dock .portfolio-dock__item:hover {
  background: transparent;
  color: #435b98;
  transform: none;
}

.portfolio-dock .portfolio-dock__item:active {
  transform: scale(0.985);
}

.portfolio-dock .portfolio-dock__item.is-active,
.portfolio-dock .portfolio-dock__item[aria-current] {
  color: #fff;
  font-weight: 800;
}

.portfolio-dock .portfolio-dock__item.is-active .portfolio-dock__number,
.portfolio-dock .portfolio-dock__item[aria-current] .portfolio-dock__number {
  color: rgba(255, 255, 255, 0.76);
}

.portfolio-dock .portfolio-dock__item:focus-visible {
  outline: 2px solid var(--portfolio-dock-accent);
  outline-offset: -3px;
}

body[data-project] .project-footer {
  padding-bottom: calc(116px + env(safe-area-inset-bottom));
}

@supports not (backdrop-filter: blur(1px)) {
  .portfolio-dock {
    background: #edf1fb;
  }
}

@media (max-width: 800px) {
  .portfolio-dock {
    bottom: calc(12px + env(safe-area-inset-bottom));
    width: min(420px, calc(100vw - 24px));
    min-height: 62px;
    padding: 6px;
    border-radius: 999px;
  }

  .portfolio-dock__indicator {
    top: 6px;
    left: 6px;
    width: calc((100% - 12px) / 3);
    height: calc(100% - 12px);
    border-radius: 999px;
  }

  .portfolio-dock[data-active="work"] .portfolio-dock__indicator {
    transform: translate3d(100%, 0, 0);
  }

  .portfolio-dock[data-active="about"] .portfolio-dock__indicator {
    transform: translate3d(200%, 0, 0);
  }

  .portfolio-dock .portfolio-dock__item {
    min-height: 50px;
    padding-inline: 10px;
    font-size: 14px;
  }

  body[data-project] .project-footer {
    padding-bottom: calc(104px + env(safe-area-inset-bottom));
  }
}

@media (max-width: 390px) {
  .portfolio-dock .portfolio-dock__number {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-dock,
  .portfolio-dock__indicator,
  .portfolio-dock .portfolio-dock__item,
  .portfolio-dock .portfolio-dock__number {
    transition: none !important;
  }

  .portfolio-dock .portfolio-dock__item:hover,
  .portfolio-dock .portfolio-dock__item:active {
    transform: none;
  }
}