@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0c0a14;
  --fg: #e4e2ec;
  --fg-muted: #9590a8;
  --fg-dim: #7a7192;
  --teal: #2dd4bf;
  --purple: #a78bfa;
  --amber: #fbbf24;
  --surface: rgba(255, 255, 255, 0.03);
  --border: rgba(255, 255, 255, 0.06);
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Instrument Sans', -apple-system, system-ui, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--teal);
  background: rgba(45, 212, 191, 0.08);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}

/* --- ambient --- */
.glow {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(120px);
  z-index: 0;
}
.glow--purple {
  width: 600px; height: 600px;
  top: -200px; left: -100px;
  background: rgba(167, 139, 250, 0.045);
}
.glow--teal {
  width: 500px; height: 500px;
  bottom: -150px; right: -80px;
  background: rgba(45, 212, 191, 0.03);
}

/* --- tentacle (corner) --- */
.tentacle {
  position: fixed;
  bottom: -40px;
  right: -40px;
  width: 420px;
  height: 580px;
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
  animation: drift 14s ease-in-out infinite;
}
.tentacle path {
  fill: #e4e2ec;
  stroke: none;
}
.tentacle .sucker {
  fill: var(--bg);
  stroke: #e4e2ec;
  stroke-width: 1.5;
}
@keyframes drift {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-6px) rotate(0.3deg); }
}

/* --- header --- */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
}
.brand {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-muted);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand .de { color: var(--teal); }
.brand .sep { color: var(--fg-dim); font-weight: 400; margin: 0 0.3rem; }
header a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}
header a:hover { color: var(--fg); }
header nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

/* --- footer copyright --- */
footer .copyright {
  font-size: 0.7rem;
  color: var(--fg-dim);
}
footer .copyright a {
  color: var(--fg-dim);
  text-decoration: none;
  border-bottom: 1px solid rgba(122, 113, 146, 0.3);
  transition: color 0.15s, border-color 0.15s;
}
footer .copyright a:hover {
  color: var(--fg-muted);
  border-bottom-color: var(--fg-muted);
}

/* --- fade-in --- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- content layout (subpages) --- */
.content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
  padding: 10rem 2rem 6rem;
}
.content h1 {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}
.content .label {
  font-size: 0.9rem;
  color: var(--fg-dim);
  margin-bottom: 2.5rem;
}
.content p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--fg-muted);
  margin-bottom: 1.5rem;
}
.content a {
  color: var(--purple);
  text-decoration: none;
  border-bottom: 1px solid rgba(167, 139, 250, 0.3);
  transition: border-color 0.15s;
}
.content a:hover { border-bottom-color: var(--purple); }

/* --- terminal --- */
.terminal {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  text-align: left;
  margin-bottom: 0.6rem;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.25);
}
.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.terminal-dot.r { background: #ef4444; }
.terminal-dot.y { background: #eab308; }
.terminal-dot.g { background: #22c55e; }
.terminal-tabs {
  display: flex;
  gap: 0;
  padding: 0 18px;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid var(--border);
}
.terminal-tab {
  padding: 0.5rem 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--fg-dim);
  cursor: pointer;
  border: none;
  border-bottom: 2px solid transparent;
  background: none;
  transition: color 0.15s, border-color 0.15s;
}
.terminal-tab:hover { color: var(--fg); }
.terminal-tab.active {
  color: var(--fg);
  border-bottom-color: var(--teal);
}
.terminal-body {
  padding: 1.25rem 1.5rem 1.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(0.76rem, 1.8vw, 0.85rem);
  line-height: 2;
}
.terminal-body .line {
  display: flex;
  gap: 0;
  line-height: 2;
}
.terminal-body .prompt {
  color: var(--teal);
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
  padding-right: 0.5em;
  flex-shrink: 0;
}
.terminal-body .cmd { color: var(--fg); }
.terminal-body .comment {
  color: var(--fg-dim);
  user-select: none;
  -webkit-user-select: none;
}
.terminal-panel { display: none; }
.terminal-panel.active { display: block; }
.terminal-hint {
  font-size: 0.82rem;
  color: var(--fg-dim);
  margin-bottom: 2.5rem;
}

/* --- links row --- */
.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  font-size: 0.82rem;
  font-weight: 500;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg);
  transition: all 0.15s ease;
}
.links a:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}
.links a .arrow {
  font-size: 0.75rem;
  opacity: 0.4;
  transition: opacity 0.15s, transform 0.15s;
}
.links a:hover .arrow {
  opacity: 0.8;
  transform: translateX(2px);
}

/* --- subpage footer --- */
.subpage-footer {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem 2rem 2.5rem;
}

/* --- subpage sections --- */
.section { margin-top: 3rem; }
.section h2 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  margin-bottom: 1.5rem;
}

/* --- subpage animations --- */
.content h1     { animation: fadeUp 0.6s ease both; }
.content .label { animation: fadeUp 0.6s ease 0.05s both; }
.content > p:first-of-type { animation: fadeUp 0.6s ease 0.1s both; }
.terminal       { animation: fadeUp 0.6s ease 0.18s both; }
.terminal-hint  { animation: fadeUp 0.6s ease 0.2s both; }

/* --- card list (monks, registries, etc.) --- */
.card-list { display: flex; flex-direction: column; gap: 0.5rem; }
.card-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  gap: 1rem;
}
.card-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--fg);
  flex-shrink: 0;
}
.card-desc { font-size: 0.82rem; color: var(--fg-dim); text-align: right; }

/* --- responsive --- */
@media (max-width: 768px) {
  .tentacle { width: 160px; height: 320px; opacity: 0.025; }
  header { padding: 1.2rem 1.5rem; }
  .card-row { flex-direction: column; gap: 0.2rem; }
  .card-desc { text-align: left; }
}