:root {
  --bg: #0e1014;
  --surface: #161922;
  --text: #e6e6e6;
  --muted: #8a8f99;
  --accent: #c0a36e;
  --accent-press: #a48a5b;
  --danger: #8a3a3a;
  --danger-press: #6e2e2e;
}

* { box-sizing: border-box; }

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

main {
  max-width: 480px;
  margin: 0 auto;
  padding: max(2rem, env(safe-area-inset-top)) 1.5rem
          max(2rem, env(safe-area-inset-bottom));
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.5rem;
}

h1 {
  font-size: 2.25rem;
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.01em;
}

.intro {
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

.note {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
  margin-top: 0.5rem;
}

button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 1rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 120ms ease, transform 80ms ease;
  width: 100%;
  font-family: inherit;
}

button:active { transform: scale(0.98); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.primary { background: var(--accent); color: #1a1408; }
.primary:hover:not(:disabled) { background: var(--accent-press); }

.secondary { background: var(--danger); color: #fff; }
.secondary:hover:not(:disabled) { background: var(--danger-press); }

.hidden { display: none !important; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: rgba(14, 16, 20, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.topbar-brand {
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
}
.topbar-right { display: flex; align-items: center; }
.auth-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text);
}
.auth-pill a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(192, 163, 110, 0.35);
  padding-bottom: 1px;
}
.auth-pill a:hover { border-bottom-color: var(--accent); }
.auth-username { color: var(--muted); }
.link-btn {
  background: transparent;
  color: var(--muted);
  width: auto;
  padding: 0.25rem 0.5rem;
  font-size: 1rem;
  border-radius: 6px;
}
.link-btn:hover { color: var(--text); background: rgba(255,255,255,0.05); }

.auth-form { display: flex; flex-direction: column; gap: 0.85rem; }
.auth-form label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.85rem; color: var(--muted); }
.auth-form input {
  appearance: none;
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  color: var(--text);
  padding: 0.85rem 1rem;
  font-size: 1rem;
  font-family: inherit;
}
.auth-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.agents {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.agent-card {
  background: var(--surface);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.agent-name {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 500;
}

.agent-desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.status {
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: lowercase;
  letter-spacing: 0.05em;
  padding: 0.5rem;
  border-radius: 6px;
  background: var(--surface);
}

.status.idle      { color: var(--muted); }
.status.connecting{ color: var(--accent); }
.status.connected { color: #7fc88f; }
.status.error     { color: #d97777; }