:root {
  --bg: #0a0a0a;
  --card: #141414;
  --border: rgba(255,255,255,0.08);
  --text: #eee;
  --muted: #888;
  --accent: #fff;
}
* { box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  width: 100%;
  max-width: 380px;
}
h1 { font-size: 1.3rem; margin: 0 0 1.5rem; }
label { display: block; font-size: 0.85rem; color: var(--muted); margin: 1rem 0 0.35rem; }
input {
  width: 100%;
  background: #1c1c1c;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.7rem 0.8rem;
  border-radius: 8px;
  font-size: 0.95rem;
}
button {
  width: 100%;
  margin-top: 1.5rem;
  background: var(--accent);
  color: #000;
  border: none;
  padding: 0.8rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
}
button:disabled { opacity: 0.5; cursor: not-allowed; }
.error { color: #ff6161; font-size: 0.85rem; margin-top: 0.75rem; }
.success { color: #61ff9e; font-size: 0.85rem; margin-top: 0.75rem; }
.links { margin-top: 1.25rem; font-size: 0.85rem; text-align: center; color: var(--muted); }
a { color: var(--text); }

/* chat layout */
.chat-wrap {
  max-width: 480px;
  width: 100%;
  height: 90vh;
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.chat-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.chat-header button { width: auto; margin: 0; background: transparent; color: var(--muted); border: 1px solid var(--border); padding: 0.4rem 0.8rem; font-size: 0.8rem; }
.chat-messages { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: 0.6rem; }
.msg { max-width: 75%; padding: 0.6rem 0.85rem; border-radius: 10px; font-size: 0.9rem; line-height: 1.4; }
.msg.mine { align-self: flex-end; background: #fff; color: #000; display: flex; align-items: flex-end; gap: 2px; }
.msg.theirs { align-self: flex-start; background: #222; }
.msg .ticks { color: #333; }
.chat-input { display: flex; border-top: 1px solid var(--border); padding: 0.75rem; gap: 0.5rem; }
.chat-input input { flex: 1; margin: 0; }
.chat-input button { width: auto; margin: 0; padding: 0.7rem 1.1rem; }
.push-banner {
  font-size: 0.8rem;
  color: var(--muted);
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.push-banner button { width: auto; margin: 0; padding: 0.35rem 0.7rem; font-size: 0.75rem; }