/* Mobile-first, no framework. */
:root {
  --bg: #f5f6f8; --card: #ffffff; --ink: #1c2128; --muted: #6a737d;
  --accent: #2563eb; --danger: #dc2626; --ok: #16a34a; --border: #d9dee3;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--ink); }
.topbar { background: #22272e; color: #fff; padding: 0.7rem 1rem; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.brand { font-weight: 700; letter-spacing: 0.02em; color: #fff !important; text-decoration: none; }
th.sortable { cursor: pointer; user-select: none; white-space: nowrap; }
th.sortable::after { content: " ↕"; color: #9aa4ae; font-size: 0.75rem; }
th.sortable.asc::after { content: " ↑"; color: var(--accent); }
th.sortable.desc::after { content: " ↓"; color: var(--accent); }
tr.filters td { padding: 0.25rem 0.4rem; background: #f6f8fa; }
tr.filters input { width: 100%; padding: 0.35rem 0.5rem; font-size: 0.85rem;
  border: 1px solid var(--border); border-radius: 6px; }
.topbar a { color: #9db4d0; text-decoration: none; }
.topbar a.active, .topbar a:hover { color: #fff; }
main { max-width: 900px; margin: 0 auto; padding: 1rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 1.25rem; margin-bottom: 1rem; }
h1 { font-size: 1.4rem; margin: 0 0 0.75rem; }
h2 { font-size: 1.1rem; }
label { display: block; font-weight: 600; margin: 0.9rem 0 0.25rem; }
input[type=text], input[type=tel], input[type=password], input[type=number], textarea, select {
  width: 100%; padding: 0.65rem; font-size: 1rem; border: 1px solid var(--border); border-radius: 8px; background: #fff;
}
textarea { min-height: 4.5rem; }
.btn { display: inline-block; border: 0; border-radius: 8px; padding: 0.7rem 1.2rem; font-size: 1rem;
  font-weight: 600; cursor: pointer; background: var(--accent); color: #fff; text-decoration: none; }
.btn.secondary { background: #e7ebf0; color: var(--ink); }
.btn.danger { background: var(--danger); }
.btn.block { display: block; width: 100%; margin-top: 1rem; text-align: center; }
.flash { background: #fff7d6; border: 1px solid #e5d688; border-radius: 8px; padding: 0.6rem 0.9rem; margin-bottom: 0.75rem; }
.muted { color: var(--muted); }
.big-code { font-size: 3.2rem; font-weight: 800; letter-spacing: 0.15em; text-align: center; margin: 0.5rem 0; }
.status-badge { display: inline-block; padding: 0.15rem 0.6rem; border-radius: 999px; font-size: 0.8rem; font-weight: 700; }
.status-ACTIVE { background: #dcfce7; color: #14532d; }
.status-EXPIRING { background: #fef9c3; color: #713f12; }
.status-EXPIRED { background: #fee2e2; color: #7f1d1d; }
.status-PENDING_DISPOSAL { background: #fecaca; color: #7f1d1d; }
.status-CHECKED_OUT, .status-DISPOSED { background: #e5e7eb; color: #374151; }
.photo-grid { display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 0.5rem 0; }
.photo-grid img { width: 110px; height: 110px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; background: var(--card); font-size: 0.92rem; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { background: #eef1f4; }
td img.thumb { width: 48px; height: 48px; object-fit: cover; border-radius: 6px; }
.table-wrap { overflow-x: auto; }
.tabs { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 1rem; }
.tabs a { padding: 0.45rem 0.8rem; border-radius: 8px; background: #e7ebf0; color: var(--ink); text-decoration: none; font-size: 0.9rem; }
.tabs a.active { background: var(--accent); color: #fff; }
.thread { list-style: none; padding: 0; }
.thread li { margin: 0.4rem 0; padding: 0.5rem 0.75rem; border-radius: 10px; max-width: 85%; font-size: 0.9rem; }
.thread .out { background: #dbeafe; margin-left: auto; }
.thread .in { background: #e5e7eb; }
.actions-row { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.75rem; }
.inline-form { display: inline; }
.kv { margin: 0.25rem 0; }
.kv b { display: inline-block; min-width: 8.5rem; }
.pw-field { position: relative; }
.pw-field input { padding-right: 3rem; }
.pw-toggle { position: absolute; right: 0.4rem; top: 50%; transform: translateY(-50%);
  background: none; border: 0; cursor: pointer; font-size: 1.15rem; padding: 0.2rem; }
dialog { border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem;
  max-width: 480px; width: calc(100% - 2rem); }
dialog::backdrop { background: rgba(20, 24, 30, 0.55); }
dialog h2 { margin-top: 0; }
@media print {
  .topbar, .tabs, .btn, .no-print { display: none !important; }
  body { background: #fff; }
  .card { border: none; }
}

.nav-badge { background: var(--danger); color: #fff; border-radius: 999px;
  padding: 0.05rem 0.45rem; font-size: 0.75rem; font-weight: 700; }

/* Mobile pass: admin tables shed low-priority columns and everything tightens */
@media (max-width: 720px) {
  main { padding: 0.6rem; }
  .card { padding: 0.85rem; }
  th, td { padding: 0.35rem 0.4rem; font-size: 0.85rem; }
  .hide-sm { display: none; }
  .topbar { gap: 0.6rem; font-size: 0.95rem; }
  .tabs a { padding: 0.4rem 0.6rem; font-size: 0.85rem; }
  .actions-row .btn, .actions-row form { width: 100%; }
  .actions-row .btn { text-align: center; }
  dialog { width: calc(100% - 1rem); }
}