:root {
  --bg: #f6f4ef;
  --card: #ffffff;
  --ink: #1c2430;
  --muted: #5b6777;
  --line: #d9d3c7;
  --accent: #0f6b5c;
  --danger: #9b2c2c;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
h1, h2 { margin: 0 0 0.35rem; font-weight: 650; }
.muted { color: var(--muted); margin: 0; }
main { max-width: 960px; margin: 1.5rem auto; padding: 0 1rem 3rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}
label { display: block; margin: 0.75rem 0; }
input, select, button, textarea {
  font: inherit;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
}
button {
  background: var(--accent);
  color: #fff;
  border: 0;
  cursor: pointer;
}
button.secondary { background: #4a5568; }
.row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.hidden { display: none !important; }
.error { color: var(--danger); }
.tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.tabs button { background: #2c3a4a; }
.stack { display: flex; flex-direction: column; gap: 0.65rem; margin-top: 0.75rem; }
.stack input, .stack select, .stack textarea, .stack button { width: 100%; max-width: 28rem; }
.notice {
  background: #eef6f4;
  border: 1px solid #b7d4cd;
  color: #1c2430;
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
}
.top { flex-wrap: wrap; gap: 0.75rem; }
@media (max-width: 1280px) {
  main { max-width: 100%; }
}
@media (max-width: 768px) {
  .top { padding: 1rem; }
  .card { padding: 1rem; }
  .grid2 { grid-template-columns: 1fr; }
  .tabs button { font-size: 0.85rem; }
}
@media (max-width: 390px) {
  h1 { font-size: 1.15rem; }
  main { padding: 0 0.6rem 2rem; }
}
ul { padding: 0; list-style: none; }
li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
}
.steps { display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0; list-style: none; }
.steps li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  font-size: 0.85rem;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin: 0.75rem 0; }
.kpi { border: 1px solid var(--line); border-radius: 8px; padding: 0.7rem 0.85rem; background: #fbfaf7; }
.kpi strong { display: block; font-size: 1.15rem; }
textarea { width: 100%; }