/* Main styling for the chat system */
:root {
  --bg: #0f1419;
  --panel: #1b232a;
  --accent: #2de3a8;
  --text: #e6eef5;
  --muted: #9fb3c8;
  --danger: #ff5f6d;
}
* { box-sizing: border-box; font-family: 'Segoe UI', Tahoma, sans-serif; }
body { margin: 0; background: radial-gradient(circle at top left, #1f2a34, #0f1419); color: var(--text); }

.auth-page .auth-shell { display: grid; place-items: center; min-height: 100vh; }
.auth-card { background: var(--panel); padding: 24px; border-radius: 12px; width: 320px; }
.auth-card input { width: 100%; margin: 8px 0; padding: 10px; border-radius: 8px; border: 1px solid #2b3540; background: #0f1419; color: var(--text); }
.primary { background: var(--accent); color: #012; border: none; padding: 10px 14px; border-radius: 8px; cursor: pointer; }
.tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.tab { background: #10161b; color: var(--muted); border: 1px solid #2b3540; padding: 8px; border-radius: 8px; cursor: pointer; }
.tab.active { background: var(--accent); color: #012; }
.hidden { display: none; }
.muted { color: var(--muted); font-size: 12px; margin-top: 8px; }

.app-shell { display: grid; grid-template-columns: 320px 1fr; min-height: 100vh; }
.sidebar { background: var(--panel); padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.profile { display: flex; gap: 12px; align-items: center; }
.avatar { width: 40px; height: 40px; border-radius: 50%; background: #34495e; }
.list { display: flex; flex-direction: column; gap: 8px; overflow-y: auto; }
.list .item { padding: 10px; border-radius: 8px; background: #11181f; cursor: pointer; }

.chat-area { display: grid; grid-template-rows: auto 1fr auto auto; height: 100vh; }
.chat-header { padding: 16px; border-bottom: 1px solid #2b3540; display: flex; justify-content: space-between; }
.messages { padding: 16px; overflow-y: auto; }
.message { margin: 8px 0; max-width: 70%; padding: 10px; border-radius: 10px; background: #1b232a; }
.message.me { background: #2a3b33; margin-left: auto; }
.message .meta { font-size: 11px; color: var(--muted); margin-top: 4px; }
.reactions { font-size: 12px; margin-top: 4px; color: var(--accent); }
.typing { padding: 0 16px; color: var(--muted); display: none; }
.composer { display: flex; gap: 8px; padding: 12px; border-top: 1px solid #2b3540; }
.composer input { flex: 1; padding: 10px; border-radius: 8px; border: 1px solid #2b3540; background: #0f1419; color: var(--text); }

.admin-page { padding: 20px; }
.admin-shell pre { background: #11181f; color: #dfe7ee; padding: 12px; border-radius: 8px; }

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { height: 40vh; }
  .chat-area { height: 60vh; }
}