:root {
  /* Dark Observatory */
  --bg0: #050508;
  --bg1: #0a0a0c;
  --bg2: #101018;
  --panel: rgba(10, 12, 18, 0.55);
  --panel-solid: rgba(12, 14, 22, 0.92);
  --border: rgba(94, 231, 255, 0.12);
  --border-strong: rgba(94, 231, 255, 0.28);
  --text: #e8eef8;
  --muted: #b4bccb;
  --accent: #5ee7ff;
  --accent-dim: rgba(94, 231, 255, 0.12);
  --accent-strong: #8ef0ff;
  --ember: #ff5500;
  --ember-dim: rgba(255, 85, 0, 0.18);
  --amber: #e8a04a;
  --amber-dim: rgba(232, 160, 74, 0.18);
  --cyan: var(--accent);
  --cyan2: var(--accent-strong);
  --danger: #ff6b7a;
  --ok: var(--accent);
  --warn: var(--amber);
  --radius: 18px;
  --font: "Segoe UI", "Inter", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
  --glow: 0 0 40px rgba(94, 231, 255, 0.15);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg0);
  color: var(--text);
  font-family: var(--font);
}

body {
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* Soft void atmosphere + grain */
.bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 70% 45% at 18% 28%, rgba(94, 231, 255, 0.05), transparent 58%),
    radial-gradient(ellipse 55% 40% at 88% 18%, rgba(94, 231, 255, 0.03), transparent 52%),
    radial-gradient(ellipse 50% 55% at 50% 105%, rgba(255, 85, 0, 0.045), transparent 48%),
    /* vignette */
    radial-gradient(ellipse 85% 75% at 50% 40%, transparent 30%, rgba(0, 0, 0, 0.55) 100%),
    linear-gradient(180deg, #07070b 0%, #050508 42%, #020204 100%);
}

.bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.055;
  pointer-events: none;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 4rem;
}

@media (max-width: 640px) {
  .app {
    padding: 0.85rem 0.85rem 3.25rem;
  }

  .top {
    gap: 0.65rem;
  }

  .map-nav,
  .top-nav {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .map-nav a,
  .top-nav a {
    flex: 0 0 auto;
    padding: 0.4rem 0.7rem;
  }
}

/* --- Header --- */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.brand h1 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--text);
}

.tagline {
  margin: 0.1rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.brand-link,
.brand-link-inline {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.status-pill {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.45);
  color: var(--muted);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.status-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
}

.status-pill[data-state="live"] {
  color: var(--accent);
  border-color: rgba(94, 231, 255, 0.35);
  box-shadow: 0 0 16px rgba(94, 231, 255, 0.12);
}

.status-pill[data-state="live"]::before {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: livePulse 2s ease-in-out infinite;
}

.status-pill[data-state="connecting"] {
  color: var(--warn);
}

.status-pill[data-state="connecting"]::before {
  background: var(--warn);
}

.status-pill[data-state="offline"] {
  color: var(--danger);
  border-color: rgba(255, 107, 122, 0.35);
}

.status-pill[data-state="offline"]::before {
  background: var(--danger);
}

.status-pill[data-state="asleep"],
.status-pill[data-state="idle"] {
  color: var(--muted);
  border-color: rgba(122, 132, 153, 0.35);
}

.status-pill[data-state="asleep"]::before,
.status-pill[data-state="idle"]::before {
  background: var(--muted);
}

.status-pill[data-state="awake"] {
  color: var(--accent);
  border-color: rgba(94, 231, 255, 0.35);
}

.status-pill[data-state="awake"]::before {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.status-pill[data-state="thinking"] {
  color: var(--ember);
  border-color: rgba(255, 85, 0, 0.45);
  box-shadow: 0 0 16px rgba(255, 85, 0, 0.16);
}

.status-pill[data-state="thinking"]::before {
  background: var(--ember);
  box-shadow: 0 0 8px var(--ember);
  animation: livePulse 1.2s ease-in-out infinite;
}

.status-pill[data-state="paused"],
.status-pill[data-state="budget"] {
  color: var(--warn);
  border-color: rgba(232, 160, 74, 0.4);
}

.status-pill[data-state="paused"]::before,
.status-pill[data-state="budget"]::before {
  background: var(--warn);
}

@keyframes livePulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
}

/* Nav pills (secondary pages) */
.map-nav,
.top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem;
}

.map-nav a,
.top-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  transition: color 0.15s, background 0.15s;
}

.map-nav a[aria-current="page"],
.map-nav a:hover,
.top-nav a[aria-current="page"],
.top-nav a:hover {
  color: var(--accent);
  background: var(--accent-dim);
}

/* Buttons */
.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.35);
  color: var(--text);
  font: inherit;
  font-size: 0.88rem;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s, color 0.15s;
}

.btn:hover {
  border-color: var(--border-strong);
  color: #fff;
}

.btn.primary {
  background: linear-gradient(135deg, rgba(94, 231, 255, 0.18), rgba(94, 231, 255, 0.06));
  border-color: rgba(94, 231, 255, 0.45);
  color: var(--accent-strong);
  box-shadow: 0 0 24px rgba(94, 231, 255, 0.12);
  font-weight: 600;
}

.btn.primary:hover {
  background: linear-gradient(135deg, rgba(94, 231, 255, 0.28), rgba(94, 231, 255, 0.1));
  box-shadow: 0 0 32px rgba(94, 231, 255, 0.22);
}

.btn.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}

.btn.ghost:hover {
  color: var(--accent);
  background: var(--accent-dim);
}

.btn.small {
  font-size: 0.8rem;
  padding: 0.4rem 0.75rem;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.hint {
  margin: 0.4rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Forms */
input,
textarea {
  font: inherit;
  color: var(--text);
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.55rem 0.75rem;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: rgba(94, 231, 255, 0.4);
  box-shadow: 0 0 0 3px rgba(94, 231, 255, 0.08);
}

.mail-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.mail-row input {
  flex: 1 1 160px;
}

/* Feed (shared) */
.feed,
.theory-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.feed li,
.theory-list li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  padding: 0.85rem 0;
}

.feed .text,
.theory-list .text {
  margin: 0;
  color: var(--text);
  line-height: 1.55;
}

.feed .meta,
.theory-list .meta {
  margin-top: 0.35rem;
  font-size: 0.75rem;
  color: var(--muted);
  font-family: var(--mono);
}

.feed-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.feed-head h2 {
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

/* About modal */
.about-teaser {
  display: none;
}

.about-link {
  appearance: none;
  background: none;
  border: none;
  color: var(--accent);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 0.02em;
  padding: 0;
}

.about-link:hover {
  color: var(--ember);
  text-decoration: underline;
}

.about-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.about-modal[hidden] {
  display: none;
}

.about-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(6px);
}

.about-modal-panel {
  position: relative;
  max-width: 520px;
  width: 100%;
  max-height: min(80vh, 640px);
  overflow: auto;
  background: var(--panel-solid);
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  padding: 1.75rem 1.5rem 1.5rem;
  box-shadow: var(--glow), 0 24px 80px rgba(0, 0, 0, 0.55);
}

.about-modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.85rem;
  appearance: none;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.about-modal-close:hover {
  color: var(--text);
}

.about-modal-panel h2 {
  margin: 0 0 1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.about-modal-panel h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.about-body {
  font-size: 0.95rem;
  color: var(--text);
}

.about-body p {
  margin: 0 0 0.85rem;
  color: #b8c0d0;
}

.about-body ul {
  margin: 0;
  padding-left: 1.1rem;
  color: #b8c0d0;
}

.about-body li {
  margin: 0.35rem 0;
}

.about-body li::marker {
  color: var(--accent);
}

body.about-open {
  overflow: hidden;
}

/* Legacy grid helpers for secondary pages */
.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 860px) {
  .grid {
    grid-template-columns: 280px 1fr;
  }
}

.compose textarea {
  width: 100%;
  min-height: 90px;
  resize: vertical;
}

.compose-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.65rem;
  align-items: center;
}

@media (max-width: 640px) {
  .app {
    padding: 1rem 1rem 3rem;
  }
}