:root {
  --space: #0b2b52;
  --ocean: #1466b8;
  --sky: #4aa3e0;
  --earth: #2f9e6f;
  --sun: #f2a541;
  --ink: #16283d;
  --paper: #f5f8fc;
  --card: #ffffff;
  --line: #dce6f2;
  --muted: #5f7189;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 28px;
  background: linear-gradient(120deg, var(--space), var(--ocean));
  color: #fff;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand h1 { margin: 0; font-size: 22px; letter-spacing: 0.2px; }
.tag { margin: 2px 0 0; font-size: 13px; opacity: 0.85; }
.marble {
  width: 40px; height: 40px; border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, var(--sky), var(--ocean) 55%, var(--earth) 100%);
  box-shadow: inset -6px -6px 12px rgba(0,0,0,0.25), 0 2px 10px rgba(0,0,0,0.3);
  flex: none;
}
.pill {
  font-size: 12px; font-weight: 600;
  background: rgba(255,255,255,0.18);
  padding: 6px 12px; border-radius: 999px;
}

main { max-width: 920px; margin: 0 auto; padding: 24px 20px 48px; }

.panel {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 20px 22px; margin-bottom: 20px;
}
.panel h2 { margin: 0 0 4px; font-size: 17px; }
.hint { margin: 0 0 14px; color: var(--muted); font-size: 14px; }

.product-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px;
}
.product-card {
  text-align: left; cursor: pointer;
  border: 2px solid var(--line); background: #fbfdff;
  border-radius: 12px; padding: 14px; transition: border-color .12s, transform .12s;
}
.product-card:hover { border-color: var(--sky); transform: translateY(-1px); }
.product-card.selected { border-color: var(--ocean); background: #eef6ff; }
.product-card h3 { margin: 0 0 6px; font-size: 14px; line-height: 1.35; }
.product-card .meta { font-size: 12px; color: var(--muted); }

.custom { margin-top: 16px; border-top: 1px dashed var(--line); padding-top: 12px; }
.custom summary { cursor: pointer; font-weight: 600; font-size: 14px; color: var(--ocean); }
.form { display: grid; gap: 10px; margin-top: 12px; }
.form label { display: grid; gap: 4px; font-size: 13px; font-weight: 600; color: var(--ink); }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.form input, .form textarea {
  font: inherit; padding: 9px 11px; border: 1px solid var(--line);
  border-radius: 9px; font-weight: 400;
}

.gen-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

button.primary, button.secondary {
  font: inherit; font-weight: 700; cursor: pointer; border: none;
  border-radius: 10px; padding: 12px 20px;
}
button.primary { background: var(--ocean); color: #fff; }
button.primary:hover { background: var(--space); }
button.primary:disabled { background: #b9c6d6; cursor: not-allowed; }
button.secondary { background: var(--earth); color: #fff; padding: 10px 16px; }

.status {
  margin-top: 14px; padding: 12px 14px; border-radius: 10px;
  font-size: 14px; font-weight: 600;
}
.status.loading { background: #eef6ff; color: var(--ocean); }
.status.error { background: #fdecec; color: #b3261e; }

.output h2 { margin: 6px 0 14px; }
.field {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px; margin-bottom: 14px;
}
.field-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.field-head h3 { margin: 0; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.copy-btn {
  font: inherit; font-size: 12px; font-weight: 700; cursor: pointer;
  border: 1px solid var(--line); background: #fff; color: var(--ocean);
  border-radius: 8px; padding: 5px 12px;
}
.copy-btn:hover { background: #eef6ff; }
.copy-btn.done { color: var(--earth); border-color: var(--earth); }
.field p { margin: 0; white-space: pre-wrap; }
.field ul { margin: 0; padding-left: 20px; }
.field li { margin-bottom: 5px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { background: #eef6ff; color: var(--space); font-size: 12px; padding: 4px 10px; border-radius: 999px; }

footer { text-align: center; color: var(--muted); font-size: 12px; padding: 24px; }