:root {
  color-scheme: light;
  --bg: #efe8dc;
  --ink: #1d1914;
  --muted: #645c52;
  --line: #ddd2c2;
  --card: #fffaf3;
  --accent: #0e5c45;
  --accent-dark: #084434;
  --warn: #7a4e0d;
  --warn-bg: #f8efd4;
  --bad: #8b2e2e;
  --bad-bg: #f8e4e1;
  --shadow: 0 18px 50px rgba(70, 48, 20, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(14, 92, 69, 0.08), transparent 28rem),
    var(--bg);
  font: 16px/1.6 "Segoe UI", "PingFang SC", "Noto Sans SC", sans-serif;
}

.banner {
  padding: 0.7rem 1rem;
  text-align: center;
  background: var(--warn-bg);
  color: var(--warn);
}

.wrap {
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0 3rem;
}
.wrap.wide { width: min(980px, calc(100% - 2rem)); }
.import-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr auto;
  gap: 0.7rem;
  align-items: end;
  margin-bottom: 0.8rem;
}
.import-grid .primary { margin-top: 0; }
.batch { margin: 0.4rem 0 1rem; }
.batch summary { cursor: pointer; font-weight: 650; }
@media (max-width: 800px) {
  .import-grid { grid-template-columns: 1fr; }
}

.brand {
  margin: 0 0 0.4rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.4rem;
  margin: 0.8rem 0 1.3rem;
  border-bottom: 1px solid var(--line);
}
.tabs a {
  padding: 0.55rem 0.2rem;
  margin-right: 1rem;
  margin-bottom: -1px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  font-weight: 650;
}
.tabs a.on {
  color: var(--accent-dark);
  border-bottom-color: var(--accent);
}

h1, h2 { line-height: 1.25; font-weight: 650; }
h1 { margin: 0 0 0.6rem; font-size: 2.1rem; }
h2 { margin: 0 0 0.8rem; font-size: 1.45rem; }

.lede, .hint, footer { color: var(--muted); }
.lede { margin: 0; max-width: 38rem; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin: 1.6rem 0 1rem;
  padding: 0;
  list-style: none;
}

.steps li {
  padding: 0.45rem 0.2rem;
  border-bottom: 2px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

.steps li.on {
  border-color: var(--accent);
  color: var(--accent-dark);
  font-weight: 700;
}

.card {
  padding: 1.3rem 1.2rem 1.4rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

label, .check {
  display: block;
  margin: 0.9rem 0 0.35rem;
  font-weight: 650;
}

[hidden] {
  display: none !important;
}

input, textarea {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.75rem 0.8rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid #d9cfc0;
  border-radius: 10px;
  font: inherit;
}

textarea { min-height: 7.5rem; resize: vertical; }
input:focus, textarea:focus {
  outline: 2px solid rgba(14, 92, 69, 0.25);
  border-color: var(--accent);
}

.hint { margin: 0.4rem 0 0; font-size: 0.92rem; }

.primary, .ghost {
  margin-top: 1rem;
  padding: 0.72rem 1.1rem;
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.primary {
  color: #fff;
  background: var(--accent);
  border: 0;
}

.primary:hover { background: var(--accent-dark); }
.primary:disabled { cursor: not-allowed; opacity: 0.45; }

.ghost {
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
}

.row { display: flex; gap: 0.7rem; align-items: center; }
.row .ghost, .row .primary { margin-top: 1rem; }

.kicker {
  margin: 0;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.notice, .alert {
  margin: 0.8rem 0;
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
}

.notice { background: #f4f7f2; }
.alert { background: var(--bad-bg); color: var(--bad); }

.facts {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 0.35rem 0.8rem;
  margin: 0.8rem 0;
}

.facts dt { color: var(--muted); }
.facts dd { margin: 0; }

.choices, .modes { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 0.8rem; }
.choices button, .modes button {
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font: inherit;
  cursor: pointer;
}
.choices button.on, .modes button.on {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.help {
  margin-top: 0.9rem;
  color: var(--ink);
}
.help ol {
  margin: 0.35rem 0 0;
  padding-left: 1.35rem;
  display: grid;
  gap: 0.85rem;
}
.help li {
  line-height: 1.55;
}
.help-link {
  display: block;
  margin-top: 0.45rem;
  padding: 0.65rem 0.8rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--accent-dark);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.95rem;
  line-height: 1.45;
  text-decoration: none;
  overflow-wrap: anywhere;
}
.help-link:hover {
  border-color: var(--accent);
}

.check {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-weight: 500;
}
.check input { width: auto; margin-top: 0.35rem; }

.status-line { font-size: 1.15rem; font-weight: 700; }
.events { margin: 0.4rem 0 0; padding-left: 1.2rem; color: var(--muted); }
.events li { margin: 0.25rem 0; }

footer { margin-top: 1rem; font-size: 0.9rem; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { padding: 0.45rem 0.35rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
code { font-family: Consolas, "Courier New", monospace; }
.codes { width: 100%; min-height: 7rem; }

@media (max-width: 640px) {
  .wrap { padding-top: 1.4rem; }
  h1 { font-size: 1.7rem; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .facts { grid-template-columns: 1fr; }
  .row { flex-direction: column; align-items: stretch; }
}