:root {
  --bg: #f3efe6;
  --ink: #1c1915;
  --muted: #6b645a;
  --card: #fffaf2;
  --line: #d9d0c2;
  --accent: #0f6b5c;
  --accent-ink: #f7fffc;
  --danger: #9b2c2c;
  --font: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--sans);
  background:
    radial-gradient(ellipse at top left, #ffe8c8 0%, transparent 45%),
    radial-gradient(ellipse at bottom right, #cfe8e2 0%, transparent 40%),
    var(--bg);
}
.brand {
  margin: 0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 700;
}
h1 { font-family: var(--font); font-weight: 600; margin: 0.2rem 0 0; }
.top, .wrap { max-width: 1100px; margin: 0 auto; padding: 1.25rem 1.25rem 2rem; }
.top { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.note, .muted { color: var(--muted); }
.card, .login-card, .help {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.25rem;
}
.auth { display: grid; place-items: center; }
.login-card { width: min(420px, 92vw); }
label { display: grid; gap: 0.35rem; margin: 0.75rem 0; font-size: 0.9rem; }
input, select, button {
  font: inherit;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
}
button {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  cursor: pointer;
  font-weight: 600;
}
button.ghost { background: transparent; color: var(--ink); }
.error { color: var(--danger); }
.filters { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: end; margin: 1rem 0; }
.table-wrap { overflow: auto; background: var(--card); border: 1px solid var(--line); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { padding: 0.7rem 0.85rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
code { font-size: 0.85em; }
.help { margin-top: 1.5rem; }
.help ol, .help ul { margin: 0.5rem 0 0; padding-left: 1.2rem; color: var(--muted); }
.cause {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  background: #ece7dc;
}
.cause.sale_order { background: #d7efe8; color: #0b5c4d; }
.cause.refund_return { background: #e7eef8; color: #1e3a6e; }
.cause.transfer { background: #efe6d7; color: #6a4a12; }
.cause.purchase_receive { background: #e4f0d8; color: #3a5a12; }
.cause.manual_or_unknown { background: #f6e0e0; color: #7a2222; }
.cause.baseline { background: #e8e8e8; color: #444; }
.header-actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.note.ok { color: var(--accent); font-weight: 600; }
.warn { color: var(--danger); }
a.button {
  display: inline-block;
  font: inherit;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
}
a.button.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.table-wrap { overflow: auto; background: var(--card); border: 1px solid var(--line); border-radius: 14px; margin: 1rem 0; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem 2rem; }
.filters { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: end; margin: 1rem 0; }
@media (max-width: 720px) {
  .top { flex-direction: column; }
  th:nth-child(6), td:nth-child(6) { display: none; }
}