:root {
  color-scheme: dark;
  --bg: #0a0a0a;
  --surface: #1a1a1a;
  --surface-2: #2a2a2a;
  --border: #333;
  --text: #f4f1ea;
  --muted: #999;
  --accent: #4a9eff;
  --success: #4ade80;
  --danger: #f87171;
  --pad: 12px;
  --radius: 10px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; background: var(--bg); color: var(--text); }
body { font: 16px/1.4 -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif; }
button { font: inherit; color: inherit; }

#app {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  padding-top: var(--safe-top);
}

.topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: var(--pad);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
.topbar h1 { margin: 0; font-size: 18px; font-weight: 600; flex: 1; }
.topbar .version { font-size: 10px; color: var(--muted); opacity: 0.5; font-family: monospace; }
.topbar button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: var(--radius);
  cursor: pointer;
}

.scroll {
  flex: 1;
  overflow-y: auto;
  padding: var(--pad);
  padding-bottom: calc(120px + var(--safe-bottom));
}

.chat-row {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.chat-row .title { font-weight: 500; }
.chat-row .meta { font-size: 12px; color: var(--muted); display: flex; gap: 8px; align-items: center; }
.chat-row .status { padding: 2px 6px; border-radius: 4px; font-size: 11px; }
.chat-row .status.unsynced { background: var(--surface-2); color: var(--accent); }
.chat-row .status.synced { background: var(--surface-2); color: var(--success); }

.empty {
  text-align: center;
  padding: 48px 16px;
  color: var(--muted);
}

.fab {
  position: fixed;
  right: 16px;
  bottom: calc(20px + var(--safe-bottom));
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  border: none;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  z-index: 20;
}

.message {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin-bottom: 8px;
}
.message .meta { font-size: 11px; color: var(--muted); margin-bottom: 4px; display: flex; align-items: center; gap: 6px; }
.msg-del { margin-left: auto; background: transparent; border: none; cursor: pointer; font-size: 11px; opacity: 0.4; padding: 0; line-height: 1; }
.msg-del:hover { opacity: 1; }
.message .body { word-wrap: break-word; }
.message audio, .message img { max-width: 100%; border-radius: 6px; margin-top: 6px; }
.message img { display: block; }

.composer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 8px;
  padding-bottom: calc(8px + var(--safe-bottom));
  display: flex;
  gap: 6px;
  align-items: center;
  z-index: 5;
}
.composer textarea {
  flex: 1;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  resize: none;
  font: inherit;
  min-height: 38px;
  max-height: 120px;
}
.composer button {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 8px 10px;
  cursor: pointer;
  min-width: 44px;
  height: 38px;
}
.composer button.rec { background: var(--danger); color: white; }
.composer button.send { background: var(--accent); color: white; font-weight: 600; }
.composer input[type=file] { display: none; }

.settings { padding: var(--pad); display: flex; flex-direction: column; gap: 16px; }
.settings label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.settings input {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius);
  padding: 10px 12px;
  font: inherit;
}
.settings .row { display: flex; gap: 8px; }
.settings .row button { flex: 1; }
.settings button {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius);
  padding: 10px 12px;
  font-weight: 600;
  cursor: pointer;
}
.settings button.secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.settings .status { font-size: 13px; color: var(--muted); }
.settings .status.ok { color: var(--success); }
.settings .status.err { color: var(--danger); }

.sync-bar {
  position: sticky;
  top: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 10px var(--pad);
  display: flex;
  gap: 8px;
  z-index: 5;
}
.sync-bar button {
  flex: 1;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius);
  padding: 10px;
  font-weight: 600;
  cursor: pointer;
}
.sync-bar button.secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); flex: 0 0 auto; padding: 10px 16px; }
.sync-bar .summary { display: flex; align-items: center; padding: 0 8px; color: var(--muted); font-size: 13px; }
.version { color: var(--muted); font-size: 11px; text-align: center; margin-top: 24px; opacity: 0.5; }