* { box-sizing: border-box; }
body {
  font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  margin: 0; background: #f4f5f7; color: #1f2328;
}
.topnav {
  display: flex; align-items: center; gap: 16px;
  background: #1f2937; color: #fff; padding: 12px 24px;
}
.topnav a { color: #e5e7eb; text-decoration: none; }
.topnav a.brand { font-weight: 700; color: #fff; }
.topnav .spacer { flex: 1; }
.topnav .user { opacity: .8; }
.container { max-width: 960px; margin: 24px auto; padding: 0 16px 60px; }

h1 { font-size: 22px; }
h2 { font-size: 17px; margin-top: 0; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px; }
.flash-success { background: #d1fadf; color: #065f46; }
.flash-danger { background: #fee2e2; color: #991b1b; }
.flash-warning { background: #fef3c7; color: #92400e; }
.flash-info { background: #dbeafe; color: #1e40af; }

.login-box { max-width: 340px; margin: 80px auto; background: #fff; padding: 24px; border-radius: 10px; box-shadow: 0 1px 4px rgba(0,0,0,.1); }
.login-box input { width: 100%; padding: 8px; margin: 6px 0 14px; border: 1px solid #d0d5dd; border-radius: 6px; }
.login-box button { width: 100%; }

.search-bar { display: flex; gap: 8px; margin-bottom: 16px; }
.search-bar input, .search-bar select { padding: 8px; border: 1px solid #d0d5dd; border-radius: 6px; }
.search-bar input { flex: 1; }

table.data-table, table.parts-table { width: 100%; border-collapse: collapse; background: #fff; margin-bottom: 12px; }
table.data-table th, table.data-table td, table.parts-table th, table.parts-table td {
  border: 1px solid #e5e7eb; padding: 8px 10px; text-align: left; font-size: 14px;
}
table.data-table th { background: #f9fafb; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; color: #fff; background: #6b7280; }
.badge-accepted { background: #6b7280; }
.badge-in_repair { background: #d97706; }
.badge-ready { background: #059669; }
.badge-issued { background: #2563eb; }
.badge-cancelled { background: #dc2626; }

fieldset { background: #fff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 16px; margin-bottom: 16px; }
legend { font-weight: 700; padding: 0 6px; }
.act-form label { display: block; margin-top: 10px; margin-bottom: 4px; font-size: 13px; color: #444; }
.act-form input[type=text], .act-form input[type=number], .act-form input[type=date],
.act-form textarea, .act-form select {
  width: 100%; padding: 8px; border: 1px solid #d0d5dd; border-radius: 6px; font-size: 14px;
}
.act-form label.inline { display: inline-flex; align-items: center; gap: 4px; margin-right: 14px; font-weight: normal; }
.radio-row, .checkbox-grid { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 4px; }
.inspection-row { border-top: 1px dashed #e5e7eb; padding-top: 10px; margin-top: 10px; }
.form-actions { display: flex; gap: 10px; margin-top: 16px; }

.card { background: #fff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 16px; margin-bottom: 14px; }
.view-actions { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }

.row-actions form { display: inline; }
.link-danger {
  background: none; border: none; padding: 0; margin: 0;
  color: #dc2626; text-decoration: underline; cursor: pointer; font-size: inherit;
}
.link-danger:hover { color: #991b1b; }

button, .btn-primary, .btn-secondary, .btn-danger {
  display: inline-block; padding: 9px 16px; border-radius: 6px; border: none;
  cursor: pointer; font-size: 14px; text-decoration: none;
}
button, .btn-primary { background: #2563eb; color: #fff; }
.btn-secondary { background: #e5e7eb; color: #1f2328; }
.btn-danger { background: #dc2626; color: #fff; }
.btn-small { padding: 4px 10px; font-size: 12px; margin-top: 6px; }

.photo-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px; margin-bottom: 16px;
}
.photo-item { text-align: center; }
.photo-item img {
  width: 100%; height: 120px; object-fit: cover; border-radius: 6px;
  border: 1px solid #e5e7eb; display: block;
}
.upload-form { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.upload-form input[type=file] {
  border: 1px solid #d0d5dd; border-radius: 6px; padding: 8px; flex: 1; min-width: 220px;
}

.hint { color: #6b7280; font-size: 13px; margin-top: -4px; }

.signatures-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.signature-block {
  border: 1px solid #e5e7eb; border-radius: 8px; padding: 12px; background: #fafafa;
}
.signature-block h3 { margin: 0 0 8px; font-size: 15px; }
.signature-preview img {
  max-width: 100%; height: 120px; object-fit: contain; background: #fff;
  border: 1px solid #e5e7eb; border-radius: 6px; display: block;
}
.signed-caption { font-size: 12px; color: #6b7280; margin: 6px 0 0; }
.signature-actions { display: flex; gap: 8px; margin-top: 8px; }
.signature-pad-wrap { margin-top: 4px; }
.signature-canvas {
  width: 100%; height: 200px; touch-action: none;
  background: #fff; border: 1px dashed #9ca3af; border-radius: 6px;
  display: block; cursor: crosshair;
}
.sig-error { color: #dc2626; font-size: 13px; margin: 6px 0 0; min-height: 16px; }

.selection-bar {
  display: flex; align-items: center; gap: 16px; margin-bottom: 10px;
  padding: 10px 12px; background: #fff; border: 1px solid #e5e7eb; border-radius: 8px;
}
.selection-bar .btn-primary:disabled {
  background: #9ca3af; cursor: not-allowed;
}
.act-checkbox, #select-all { width: 16px; height: 16px; cursor: pointer; }