:root {
  --teal: #09a37f;
  --blue: #0578a7;
  --bg: #f5f8f7;
  --card: #ffffff;
  --text: #1e2b28;
  --muted: #6b7b78;
  --border: #e1e8e6;
  --danger: #c0392b;
  --warn: #d68910;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  background: linear-gradient(90deg, var(--teal), var(--blue));
  color: #fff;
}
.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.topbar .brand { color: #fff; font-weight: 700; font-size: 1.15rem; }
.topbar nav a {
  color: #fff;
  margin-left: 16px;
  font-size: 0.92rem;
  opacity: 0.92;
}
.topbar nav a:hover { opacity: 1; text-decoration: underline; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

h1 { font-size: 1.5rem; margin: 0 0 6px; }
h2 { font-size: 1.15rem; margin: 0 0 12px; color: var(--blue); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.btn {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  border: none;
  padding: 9px 16px;
  border-radius: 7px;
  font-size: 0.92rem;
  cursor: pointer;
}
.btn:hover { background: #078a6c; text-decoration: none; }
.btn-secondary { background: var(--blue); }
.btn-secondary:hover { background: #04638c; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #a3382c; }
.btn-outline { background: #fff; color: var(--teal); border: 1px solid var(--teal); }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: 10px;
  overflow: hidden;
}
th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
th { background: #eef5f3; color: var(--text); font-weight: 600; }
tr:hover td { background: #fafcfb; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.filters select, .filters input {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
}

form label {
  display: block;
  margin: 12px 0 4px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
}
form input, form select, form textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
}
form textarea { resize: vertical; min-height: 70px; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
}
.badge-active { background: #e3f7ef; color: var(--teal); }
.badge-repair { background: #fdf2df; color: var(--warn); }
.badge-retired { background: #fdeaea; color: var(--danger); }
.badge-storage { background: #eaf1f8; color: var(--blue); }

.detail-grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 10px 16px;
  font-size: 0.95rem;
}
.detail-grid dt { color: var(--muted); font-weight: 600; }
.detail-grid dd { margin: 0; }

.qr-box {
  text-align: center;
  padding: 16px;
}

.login-wrap {
  max-width: 380px;
  margin: 80px auto;
}

.alert {
  padding: 10px 14px;
  border-radius: 7px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}
.alert-error { background: #fdeaea; color: var(--danger); }
.alert-success { background: #e3f7ef; color: var(--teal); }

.sitefooter {
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
  padding: 20px;
}

.public-header {
  background: linear-gradient(90deg, var(--teal), var(--blue));
  color: #fff;
  padding: 18px 20px;
  text-align: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.qr-tag-label {
  font-weight: 700;
  letter-spacing: 1px;
  margin-top: 8px;
  font-size: 1rem;
}

@media print {
  body * { visibility: hidden !important; }
  .topbar, .sitefooter, .public-header { display: none !important; }
  #print-label, #print-label * { visibility: visible !important; }
  #print-label {
    position: fixed !important;
    top: 0; left: 0;
    width: 100%;
    text-align: center;
    margin-top: 20px;
  }
  #qr-print-area, #qr-print-area * { visibility: visible !important; }
  #qr-print-area {
    position: fixed !important;
    top: 0; left: 0;
    width: 100%;
  }
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.qr-label-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
  background: #fff;
  break-inside: avoid;
}
.qr-label-item .qr-tag-label { font-size: 0.85rem; }
.qr-label-item .qr-sub { font-size: 0.72rem; color: var(--muted); margin: 2px 0 0; }

@media (max-width: 600px) {
  .detail-grid { grid-template-columns: 130px 1fr; }
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  tr { border-bottom: 2px solid var(--border); margin-bottom: 8px; }
  td { border: none; padding: 6px 12px; }
  td::before { content: attr(data-label); font-weight: 600; color: var(--muted); display: block; font-size: 0.78rem; }
}