/* biomeOS HUD — dark theme, information-dense dashboard */

:root {
  --bg-primary: #0d1117;
  --bg-card: #161b22;
  --bg-deep: #010409;
  --border: #21262d;
  --border-light: #30363d;
  --text-primary: #c9d1d9;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --text-dim: #484f58;
  --accent-blue: #58a6ff;
  --accent-green: #3fb950;
  --danger: #e74c3c;
  --warning: #f1c40f;
  --orange: #ff6b35;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Header ── */
.hud-header {
  border-bottom: 1px solid var(--border);
  padding: 0.6em 1.5em;
  background: var(--bg-deep);
  position: sticky;
  top: 0;
  z-index: 100;
}
.hud-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 0.5em;
}
.hud-brand {
  display: flex;
  align-items: center;
  gap: 0.6em;
}
.hud-pulse {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hud-title {
  font-size: 1.1em;
  font-weight: 700;
  color: var(--accent-blue);
  text-decoration: none;
  font-family: 'Courier New', monospace;
  letter-spacing: 0.05em;
}
.hud-title:hover { color: var(--text-primary); }
.hud-subtitle {
  font-size: 0.75em;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hud-links {
  display: flex;
  gap: 0.4em;
  list-style: none;
  flex-wrap: wrap;
}
.hud-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.78em;
  padding: 2px 8px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}
.hud-links a:hover {
  color: var(--accent-blue);
  background: rgba(88, 166, 255, 0.08);
}

/* ── Main ── */
.hud-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.2em 1.5em;
}

/* ── Billboard ── */
.hud-billboard {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1em 1.5em;
  margin-bottom: 1.2em;
  display: none;
}
.hud-billboard-header {
  display: flex;
  align-items: center;
  gap: 0.8em;
  margin-bottom: 0.5em;
}
.hud-billboard-label {
  font-family: monospace;
  font-size: 0.8em;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hud-billboard-msg {
  font-family: Georgia, serif;
  font-size: 1.05em;
  color: #e8e8e8;
  line-height: 1.6;
  white-space: pre-wrap;
}

/* ── Summary Strip ── */
.hud-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.8em;
  margin-bottom: 1.2em;
}
.hud-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.8em 1em;
  text-align: center;
}
.hud-stat-value {
  font-size: 1.8em;
  font-weight: 700;
  font-family: 'Courier New', monospace;
  line-height: 1.2;
}
.hud-stat-label {
  font-size: 0.7em;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.2em;
}

/* ── Dashboard Grid ── */
.hud-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1em;
  margin-bottom: 1.2em;
}
@media (max-width: 860px) {
  .hud-grid { grid-template-columns: 1fr; }
}

/* ── Cards ── */
.hud-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1em 1.2em;
}
.hud-card-title {
  font-size: 0.8em;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.8em;
  padding-bottom: 0.4em;
  border-bottom: 1px solid var(--border);
}
.hud-card-full {
  grid-column: 1 / -1;
}

/* ── Tables ── */
.hud-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82em;
}
.hud-table th {
  text-align: left;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.85em;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 6px;
  border-bottom: 1px solid var(--border);
}
.hud-table td {
  padding: 4px 6px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
}
.hud-table tbody tr:hover {
  background: rgba(88, 166, 255, 0.04);
}

/* ── Epitope grid ── */
.hud-epitope-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.7em;
}

/* ── Footer ── */
.hud-footer {
  border-top: 1px solid var(--border);
  padding: 1.5em;
  text-align: center;
  font-size: 0.8em;
  color: var(--text-dim);
  max-width: 1400px;
  margin: 2em auto 0;
}
.hud-footer a {
  color: var(--accent-blue);
  text-decoration: none;
}
.hud-footer a:hover { text-decoration: underline; }
.hud-footer p { margin: 0.3em 0; }
.hud-eco {
  color: var(--text-muted);
  margin-top: 0.8em !important;
}

/* ── petalTongue viz ── */
.pt-viz {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pt-viz svg {
  width: 100%;
  height: auto;
  max-height: 280px;
}
.pt-viz:empty::after {
  content: '⏳ waiting for petalTongue...';
  color: var(--text-dim);
  font-size: 0.72em;
  font-style: italic;
}

/* ── Utilities ── */
.mono { font-family: 'Courier New', monospace; }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-green { color: var(--accent-green); }
.text-blue { color: var(--accent-blue); }
.text-orange { color: var(--orange); }
.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }