:root {
  --paper: #e4d9c6;
  --paper-2: #d4c7b0;
  --field: #cfc19f;
  --ink: #1b1713;
  --muted: #4e473c;
  --line: #8a7d68;
  --accent: #9e1b23;
  --accent-ink: #f3e6d4;
  --ok: #21562b;
  --warn: #7a4e12;
  --shadow: 0 1px 0 rgba(27, 23, 19, 0.08);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--paper); color: var(--ink); }
body { min-height: 100dvh; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
button, input, select, textarea {
  font: inherit; color: inherit;
}
h1, h2, h3 { font-family: "IBM Plex Serif", Georgia, serif; font-weight: 600; letter-spacing: -0.02em; }
h1 { font-size: 1.65rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 1.4rem 0 0.5rem; text-transform: uppercase; letter-spacing: 0.08em; font-family: "IBM Plex Sans", sans-serif; font-weight: 600; color: var(--muted); }
.wrap { max-width: 42rem; margin: 0 auto; padding: 1rem 1rem 6rem; }
.top {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding: 0.9rem 0 1rem; border-bottom: 1px solid var(--line);
}
.brand { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); text-decoration: none; }
.brand:hover { color: var(--ink); }
.stamp {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.2rem 0.45rem; font-weight: 600;
}
.lede { margin: 0.7rem 0 0; color: var(--muted); max-width: 36em; }
.fleet { list-style: none; padding: 0; margin: 1.2rem 0 0; }
.fleet li { border-top: 1px solid var(--line); }
.fleet a.row {
  display: grid; grid-template-columns: 1fr auto; gap: 0.5rem;
  padding: 1rem 0; text-decoration: none; color: inherit; min-height: 48px; align-items: center;
}
.fleet .name { font-family: "IBM Plex Serif", Georgia, serif; font-size: 1.25rem; }
.fleet .meta { color: var(--muted); font-size: 0.9rem; }
.machine-head { padding: 1.1rem 0 0.4rem; }
.machine-head .kind { color: var(--muted); font-size: 0.85rem; margin-top: 0.25rem; }
.banner {
  margin: 0.9rem 0 0; padding: 0.7rem 0.8rem; background: var(--paper-2);
  border-left: 3px solid var(--warn); color: var(--ink); font-size: 0.95rem;
}
.tabs {
  display: flex; gap: 0; margin: 1rem 0 0; border-bottom: 1px solid var(--line);
  overflow-x: auto; -webkit-overflow-scrolling: touch;
}
.tabs button {
  background: none; border: 0; border-bottom: 2px solid transparent;
  padding: 0.8rem 0.85rem; min-height: 48px; cursor: pointer; color: var(--muted);
  white-space: nowrap;
}
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.panel { display: none; padding-top: 0.8rem; }
.panel.active { display: block; }
.form {
  display: grid; gap: 0.65rem; background: var(--paper-2); padding: 0.9rem;
  margin-bottom: 1.1rem;
}
label { display: grid; gap: 0.25rem; font-size: 0.82rem; color: var(--muted); }
input, select, textarea {
  background: var(--field); color: var(--ink); border: 1px solid var(--line);
  padding: 0.7rem 0.75rem; min-height: 48px; width: 100%;
}
textarea { min-height: 6.5rem; resize: vertical; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.65rem; }
@media (max-width: 520px) { .row2 { grid-template-columns: 1fr; } }
.btn {
  background: var(--ink); color: var(--paper); border: 0; min-height: 48px;
  padding: 0.7rem 1rem; cursor: pointer; font-weight: 600; letter-spacing: 0.02em;
}
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-accent { background: var(--accent); color: var(--accent-ink); }
.btn-danger { background: var(--accent); color: var(--accent-ink); }
.btn-ok { background: var(--ok); color: var(--accent-ink); }
.btn-sm {
  min-height: 44px; padding: 0.35rem 0.65rem; border: 1px solid var(--ink);
  background: var(--paper-2); color: var(--ink); cursor: pointer; font-weight: 600; font-size: 0.8rem;
}
h1 .badge { vertical-align: middle; margin-left: 0.35rem; }
.badge {
  display: inline-block; font-family: "IBM Plex Sans", sans-serif; font-size: 0.68rem;
  letter-spacing: 0.1em; text-transform: uppercase; padding: 0.18rem 0.4rem; font-weight: 600;
}
.badge.warn { background: var(--warn); color: var(--accent-ink); }
.badge.ok { background: var(--ok); color: var(--accent-ink); }
.acts { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; margin-top: 0.5rem; }
.acts .mini { display: inline; }
.edit summary { cursor: pointer; min-height: 44px; display: inline-flex; align-items: center; font-size: 0.8rem; font-weight: 600; }
.edit .form { margin-top: 0.5rem; }
.inline-verify { margin: 0.7rem 0 0; }
.log { list-style: none; padding: 0; margin: 0; }
.log li {
  padding: 0.85rem 0; border-top: 1px solid var(--line);
}
.log .when { font-size: 0.8rem; color: var(--muted); }
.log .what { margin: 0.25rem 0 0; }
.parts { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.parts th { text-align: left; font-weight: 600; color: var(--muted); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.4rem 0.4rem 0.4rem 0; border-bottom: 1px solid var(--line); }
.parts td { padding: 0.7rem 0.5rem 0.7rem 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.parts .pn { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 0.88rem; }
.file-list, .manuals { list-style: none; padding: 0; margin: 0; }
.file-list li, .manuals li { padding: 0.75rem 0; border-top: 1px solid var(--line); }
.empty { color: var(--muted); padding: 0.6rem 0; }
.fab-print {
  display: inline-flex; align-items: center; min-height: 44px; color: inherit; text-decoration: none;
  border: 1px solid var(--line); padding: 0.4rem 0.7rem;
}
.qr-page { text-align: left; }
.qr-box { width: 14rem; height: 14rem; background: var(--field); border: 2px solid var(--ink); padding: 0.6rem; margin: 1.2rem 0; }
.qr-url { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 0.95rem; word-break: break-all; }
@media print {
  .no-print { display: none !important; }
  body { background: #fff; }
  .wrap { padding: 0; }
}
.status { font-size: 0.85rem; color: var(--ok); min-height: 1.2em; }
.err { color: var(--accent); }