:root {
  --bg: #f7f6f3; --card: #ffffff; --fg: #1d1c1a; --muted: #6f6b64; --line: #e5e2dc;
  --accent: #2f5bd3; --p1: #d1372c; --p2: #c9800c; --p3: #8a857c; --ok: #2e7d4f;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161513; --card: #211f1c; --fg: #f1efea; --muted: #a39e94; --line: #34312c;
          --accent: #7c9cff; --ok: #5fbf86; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
       font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 16px; }
header { display: flex; align-items: baseline; justify-content: space-between; margin: 4px 0 12px; }
h1 { font-size: 19px; margin: 0; }
.muted { color: var(--muted); font-size: 13px; }
.item { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin: 10px 0; }
.item.snoozed { opacity: .55; }
.title { font-weight: 600; display: flex; gap: 8px; align-items: flex-start; }
.dot { flex: none; width: 9px; height: 9px; border-radius: 50%; margin-top: 6px; }
.dot.p1 { background: var(--p1); } .dot.p2 { background: var(--p2); } .dot.p3 { background: var(--p3); }
.summary { margin: 6px 0 0 17px; }
.meta { margin: 6px 0 0 17px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 0 17px; }
button, .btn { font: inherit; font-size: 14px; border: 1px solid var(--line); background: transparent; color: var(--fg);
               border-radius: 8px; padding: 6px 12px; cursor: pointer; text-decoration: none; }
.btn.primary, button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button:disabled { opacity: .5; cursor: default; }
.reply { display: none; margin: 8px 0 0 17px; gap: 8px; }
.reply.open { display: flex; }
.reply textarea { flex: 1; min-height: 60px; font: inherit; color: var(--fg); background: var(--bg);
                  border: 1px solid var(--line); border-radius: 8px; padding: 8px; }
.thread { margin: 8px 0 0 17px; font-size: 13px; color: var(--muted); }
.thread div { margin-top: 2px; }
.empty { text-align: center; color: var(--muted); padding: 48px 0; }
.center { max-width: 360px; margin: 18vh auto 0; text-align: center; padding: 0 16px; }
.center button { width: 100%; padding: 12px; margin-top: 16px; }
.err { color: var(--p1); min-height: 1.5em; margin-top: 10px; }
.draft { margin: 6px 0; }
.draft summary { cursor: pointer; color: var(--muted, #888); font-size: 0.9em; }
.draft pre { white-space: pre-wrap; font: inherit; margin: 6px 0 0; padding: 8px; border-left: 3px solid var(--line, #ccc); }