body{font-family:"Microsoft JhengHei",Arial,sans-serif;background:#f5f6f8;margin:0;color:#222}
header{background:#1f2937;color:white;padding:16px 28px}
header h1{margin:0 0 8px 0}
nav a,nav button{color:white;background:#374151;border:0;padding:8px 12px;margin-right:8px;text-decoration:none;border-radius:6px;cursor:pointer}
main{padding:24px}
.card{background:white;border:1px solid #ddd;border-radius:12px;padding:20px;margin-bottom:18px}
.narrow{max-width:460px}
.grid{display:grid;grid-template-columns:160px minmax(260px,1fr);gap:10px;align-items:center;max-width:820px}
.grid.one{grid-template-columns:120px 1fr}
.inline{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
input,textarea,button{padding:8px}
button,.btn{background:#2563eb;color:white;border:0;border-radius:6px;padding:8px 12px;text-decoration:none;display:inline-block}
table{border-collapse:collapse;width:100%;margin-top:12px}
th,td{border:1px solid #ccc;padding:7px 9px;font-size:14px}
th{background:#eef2ff}
.error{color:#b91c1c;font-weight:bold}
.hint{color:#666}
.code{font-size:20px;font-weight:bold;letter-spacing:2px}

select{padding:8px}
.btn.small{padding:5px 8px;font-size:13px}
.btn.secondary{background:#6b7280}
select{padding:8px}.btn.small{padding:5px 8px;font-size:13px}.btn.secondary{background:#6b7280}

.btn.small{padding:5px 8px;font-size:13px}
.btn.secondary{background:#6b7280}

.form-break-note{
  grid-column: 1 / -1;
  height: 8px;
}
.grid textarea[name="note"]{
  min-height: 72px;
  width: 100%;
  box-sizing: border-box;
}

.search-form{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-bottom:12px;
}
.search-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.search-row input,
.search-row select{
  min-width:150px;
}
.search-row.second-row{
  margin-top:4px;
}

button.danger,
.btn.danger{
  background:#dc2626;
  color:white;
}
button.small{
  padding:5px 8px;
  font-size:13px;
}
button.danger,.btn.danger{background:#dc2626;color:white}.form-break-note{grid-column:1 / -1;height:8px}

.classify-form{
  display:flex;
  gap:6px;
  align-items:center;
  flex-wrap:wrap;
}
.classify-form select{
  min-width:160px;
  max-width:220px;
}
.classify-form button{
  padding:5px 10px;
}

.btn.small{
  padding:5px 8px;
  font-size:13px;
  margin-right:6px;
}

.form-full-row{
  grid-column:1 / -1;
  margin-bottom:8px;
}
.form-actions-row{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
}
.form-actions-row button,
.form-actions-row .btn{
  min-width:140px;
  text-align:center;
}
.edit-maintenance-form input,
.edit-maintenance-form select{
  max-width:620px;
}