:root {
  --bg: #ffffff;
  --card: #ffffff;
  --card-2: #f7f7f7;
  --border: #dddddd;
  --text: #222222;
  --muted: #717171;
  --accent: #ff385c;
  --accent-soft: rgba(255, 56, 92, 0.14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 28px 32px 8px;
}
.topbar h1 { font-size: 1.6rem; margin: 0; font-weight: 600; letter-spacing: -0.02em; }
.tagline { color: var(--muted); margin: 4px 0 0; font-size: 0.95rem; }
.tagline em { color: var(--text); font-style: italic; }
.back { color: var(--accent); text-decoration: none; font-size: 0.85rem; white-space: nowrap; opacity: 0.85; }
.back:hover { opacity: 1; }

.layout {
  max-width: 1440px;
  margin: 18px auto 60px;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}
@media (max-width: 820px) { .layout { grid-template-columns: 1fr; } }

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}
.result { position: sticky; top: 16px; }

.field { margin-bottom: 20px; }
.field:last-of-type { margin-bottom: 22px; }
label { display: block; font-weight: 600; margin-bottom: 4px; font-size: 0.95rem; }
.req { color: var(--accent); }
.opt { color: var(--muted); font-weight: 400; font-size: 0.85rem; }
.hint { color: var(--muted); font-size: 0.82rem; margin: 0 0 8px; }

textarea {
  width: 100%;
  background: #f7f7f7;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 15px;
  font: inherit;
  font-size: 0.95rem;
  resize: vertical;
}
textarea:focus { outline: none; border-color: var(--accent); }
.saved-note { color: var(--muted); font-size: 0.78rem; margin-top: 6px; min-height: 1em; }

.kinds { display: flex; gap: 8px; flex-wrap: wrap; }
.kind {
  border: 1px solid var(--border);
  background: var(--card-2);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 16px;
  font: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.15s;
}
.kind:hover { color: var(--text); }
.kind.active { background: var(--accent); border-color: var(--accent); color: #ffffff; font-weight: 600; }

.btn { border: none; border-radius: 11px; padding: 12px 20px; font: inherit; font-weight: 600; font-size: 0.92rem; cursor: pointer; transition: filter 0.12s, opacity 0.12s; }
.btn.primary { background: var(--accent); color: #ffffff; width: 100%; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.ghost:hover { border-color: var(--accent); }
.btn.tiny { padding: 7px 12px; font-size: 0.82rem; }
.btn:disabled { opacity: 0.5; cursor: default; }

.result-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.result-head h2 { margin: 0; font-size: 1.1rem; }

.status { color: var(--muted); font-size: 0.92rem; padding: 8px 0; }
.status.working { color: var(--accent); }
.status.error { color: #f0a58f; }

.draft {
  background: #f7f7f7;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  white-space: pre-wrap;
  min-height: 120px;
  font-size: 0.98rem;
}
.draft:focus { outline: none; border-color: var(--accent); }

.tweaks { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 14px; }
.tweaks-label { color: var(--muted); font-size: 0.82rem; margin-right: 2px; }

.hidden { display: none !important; }