:root {
  color-scheme: dark;
  --bg: #05060a;
  --terminal-bg: rgba(10, 12, 18, 0.62);
  --text: #e9eef7;
  --muted: #a9b2c3;
  --accent: #7aa7ff;
  --accent-about: #ff4d5a;
  --accent-projects: #4da3ff;
  --accent-connect: #b06cff;
  --node-size: 10px;
  --glow-size: 20px;
  --transition: 320ms ease;
  --about-x: -320px;
  --about-y: -220px;
  --projects-x: 320px;
  --projects-y: -220px;
  --connect-x: 0px;
  --connect-y: 260px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  overflow: hidden;
}

body {
  min-height: 100vh;
}

#starfield {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

#scene {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

#constellation {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.constellation-line {
  stroke: rgba(255, 255, 255, 0.12);
  stroke-width: 1.2;
  transition: stroke 320ms ease, opacity 320ms ease;
  opacity: 0.6;
}

.constellation-line.is-active {
  stroke: color-mix(in srgb, var(--accent) 80%, white 20%);
  opacity: 0.9;
}

.constellation-line.is-dim {
  opacity: 0.25;
}

.constellation-line.is-hidden {
  opacity: 0;
}

.node {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) translate(var(--node-x), var(--node-y));
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 999px;
  transition: color var(--transition), opacity var(--transition),
    transform var(--transition);
  --node-accent: var(--accent);
}

.node:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.node-dot {
  width: var(--node-size);
  height: var(--node-size);
  border-radius: 999px;
  background: color-mix(in srgb, var(--node-accent) 65%, white 35%);
  box-shadow: 0 0 var(--glow-size)
    color-mix(in srgb, var(--node-accent) 45%, white 55%);
  transition: background var(--transition), box-shadow var(--transition),
    transform var(--transition);
}

.node-label {
  text-transform: uppercase;
  font-weight: 600;
}

.node:hover .node-dot,
.node:focus-visible .node-dot {
  transform: scale(1.08);
  box-shadow: 0 0 calc(var(--glow-size) + 8px) rgba(255, 255, 255, 0.5);
}

.node.is-active {
  color: var(--accent);
}

.node.is-active .node-dot {
  background: var(--accent);
  box-shadow: 0 0 24px color-mix(in srgb, var(--accent) 80%, white 20%);
}

.node.is-dim {
  opacity: 0.5;
}

.node.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.node-about {
  --node-x: var(--about-x);
  --node-y: var(--about-y);
  --node-accent: var(--accent-about);
}

.node-projects {
  --node-x: var(--projects-x);
  --node-y: var(--projects-y);
  --node-accent: var(--accent-projects);
}

.node-connect {
  --node-x: var(--connect-x);
  --node-y: var(--connect-y);
  --node-accent: var(--accent-connect);
}

.terminal {
  position: relative;
  z-index: 2;
  width: min(720px, 88vw);
  max-width: 88vw;
  background: var(--terminal-bg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 20px 24px 22px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
  transition: border var(--transition), box-shadow var(--transition),
    height var(--transition);
}

@supports not (backdrop-filter: blur(10px)) {
  .terminal {
    background: rgba(10, 12, 18, 0.9);
  }
}

.terminal-header {
  font-size: 0.8rem;
  text-transform: none;
  color: var(--muted);
  letter-spacing: 0.2em;
  margin-bottom: 14px;
  text-align: center;
}

.terminal-output {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--text);
  max-height: 60vh;
  overflow: auto;
  padding-right: 6px;
}

html[data-state='idle'] .terminal-output {
  padding-bottom: 12px;
}

.terminal-output:focus-visible {
  outline: 1px solid color-mix(in srgb, var(--accent) 70%, white 30%);
  outline-offset: 6px;
}

.term-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  white-space: pre-wrap;
}

.term-line--center {
  justify-content: center;
  text-align: center;
  width: 100%;
}

.term-muted {
  color: var(--muted);
}

.term-link {
  --link-accent: var(--accent);
  font-family: inherit;
  color: color-mix(in srgb, var(--link-accent) 80%, white 20%);
  text-decoration: none;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  text-shadow: 0 0 8px color-mix(in srgb, var(--link-accent) 70%, white 30%);
  transition: color var(--transition), text-shadow var(--transition);
}

.term-link:hover,
.term-link:focus-visible {
  color: #ffffff;
  text-shadow: 0 0 12px color-mix(in srgb, var(--link-accent) 90%, white 10%);
  outline: none;
}

.term-link[data-accent='about'] {
  --link-accent: var(--accent-about);
}

.term-link[data-accent='projects'] {
  --link-accent: var(--accent-projects);
}

.term-link[data-accent='connect'] {
  --link-accent: var(--accent-connect);
}

.term-status {
  margin-top: 12px;
  color: var(--muted);
  opacity: 0;
  transition: opacity var(--transition);
}

.term-status.visible {
  opacity: 1;
}

.cursor {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-end;
  width: 10px;
  height: 20px;
  margin-left: 2px;
  margin-top: 5px;
  background: var(--accent);
  border-radius: 2px;
  border: none;
  padding: 0;
  color: #0b0d13;
  font-size: 0.85rem;
  line-height: 1;
}

html[data-state='idle'] .cursor {
  background: #ffffff;
}

@media (max-width: 680px) {
  :root {
    --about-x: -220px;
    --about-y: -160px;
    --projects-x: 220px;
    --projects-y: -160px;
    --connect-y: 200px;
  }

  .terminal {
    padding: 18px;
  }

  .node-label {
    font-size: 0.85rem;
  }

  .term-line--stack {
    flex-direction: column;
    align-items: center;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}