:root { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; }
body { margin: 16px; }
h1 { font-size: 30px; margin: 0 0 10px 0; }
.subtle { color: #555; font-size: 13px; line-height: 1.4; margin-bottom: 14px; }

.cols { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
@media (max-width: 1100px) { .cols { grid-template-columns: 1fr; } }

.panel { border: 1px solid #ddd; border-radius: 10px; padding: 12px; }
.panel-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.panel h2 { font-size: 16px; margin: 0 0 6px 0; }
#fieldFinder .panel-head h2,
#orderPanel .panel-head h2,
#dpPanel .panel-head h2,
#appSectionIntro .panel-head h2,
#graphPanel .panel-head h2 {
  font-size: 22px;
}
.panel .meta { color: #666; font-size: 12px; margin: 0 0 10px 0; display: flex; flex-wrap: wrap; gap: 6px; }
.panel .actions { display: inline-flex; gap: 8px; }

.btn {
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #fff;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 12px;
}
.btn:hover { background: #f7f7f7; }

.row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 4px;
  border-top: 1px solid #f0f0f0;
  border-radius: 6px;
  transition: background 0.12s ease;
}
.row:first-of-type { border-top: none; }
.row:hover { background: #f7f9fc; }
.row label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  flex: 1;
  padding: 2px 0;
}

.row input[type="checkbox"] { width: 16px; height: 16px; }
.title { font-weight: 500; }
.requires { font-size: 12px; color: #666; }

.disabled label { color: #9a9a9a; cursor: not-allowed; }
.disabled .requires { color: #b0b0b0; }
.disabled input[type="checkbox"] { cursor: not-allowed; }

.info {
  border: 1px solid #ccc;
  border-radius: 999px;
  width: auto;
  min-width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
  background: #fff;
  cursor: pointer;
  user-select: none;
  font-size: 13px;
  line-height: 1;
}
.info:hover { background: #f7f7f7; }

.status { margin-top: 8px; font-size: 12px; color: #444; }
.pill { display: inline-block; padding: 2px 8px; border: 1px solid #ddd; border-radius: 999px; margin-right: 6px; }

.loading { padding: 10px; border: 1px dashed #bbb; border-radius: 10px; }
.error { color: #a00; }
.small { font-size: 12px; color: #555; }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.35);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
}
.modal {
  background: #fff;
  border-radius: 12px;
  max-width: 880px;
  width: 100%;
  max-height: 85vh;
  overflow: auto;
  border: 1px solid #ddd;
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
}
.modal header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid #eee;
}
.modal header h3 { margin: 0; font-size: 16px; }
.modal header button {
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #fff;
  padding: 6px 10px;
  cursor: pointer;
}
.modal .content { padding: 12px 14px; }

.kv { margin: 8px 0; }
.kv .k { font-weight: 600; }
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  white-space: pre-wrap;
}
details { border: 1px solid #eee; border-radius: 8px; padding: 8px 10px; margin-top: 10px; }
details summary { cursor: pointer; font-weight: 600; }
ul.fields { margin: 8px 0 0 18px; padding: 0; }
ul.fields li { margin: 2px 0; }

table.fields-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 8px;
}
table.fields-table th {
  text-align: left;
  font-weight: 600;
  padding: 4px 8px;
  border-bottom: 2px solid #ddd;
  white-space: nowrap;
}
table.fields-table td {
  padding: 3px 8px;
  border-bottom: 1px solid #f0f0f0;
  vertical-align: top;
}
table.fields-table tr:last-child td { border-bottom: none; }
table.fields-table td:first-child { white-space: nowrap; }

.btn-enabled {
  border: 1px solid #2d7a2d;
  background: #2d7a2d;
  color: #fff;
  cursor: default;
}
.btn-enabled:hover { background: #2d7a2d; }

.matchmark { background: #fff3a6; border-radius: 4px; padding: 0 2px; }

.badge {
  display: inline-block;
  border: 1px solid #ddd;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 11px;
  color: #555;
  margin-left: 8px;
}

.field-results-scroll {
  margin-top: 10px;
  max-height: 520px;
  overflow-y: auto;
  border: 1px solid #eee;
  border-radius: 10px;
  padding: 6px;
  background: #fff;
}

.field-result-card {
  border: 1px solid #e6e6e6;
  border-radius: 10px;
  padding: 10px 12px;
  margin: 8px 0;
  background: #fafafa;
}
.field-result-head { display: flex; gap: 10px; align-items: flex-start; justify-content: space-between; }
.field-result-left { flex: 1; min-width: 0; }
.field-result-topline { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 6px; }
.field-result-meta { margin-top: 8px; display: grid; gap: 6px; }
.field-result-meta-row { font-size: 12px; line-height: 1.4; }
.field-result-meta-label { font-weight: 600; }

.ephemeral-feedback {
  position: fixed;
  z-index: 10000;
  background: rgba(32, 32, 32, 0.96);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 12px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  pointer-events: none;
  transform: translate(-50%, -100%);
  white-space: nowrap;
  max-width: 420px;
}

.design-summary {
  font-size: 13px;
  color: #555;
  margin: 8px 0 14px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid #eee;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.design-summary-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-left: auto;
}

.btn-top {
  font-size: 11px;
  padding: 4px 8px;
  opacity: 0.85;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.fields-preview {
  margin: 6px 0 10px 28px;
  padding: 8px 10px;
  border: 1px solid #eee;
  border-radius: 8px;
  background: #fcfcfc;
}
.fields-preview-list { display: flex; flex-wrap: wrap; gap: 6px 10px; }
.fields-preview-item {
  font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: #444;
}

/* Sticky header */
.sticky-shell {
  position: sticky;
  top: 0;
  z-index: 2000;
  background: #fff;
  padding-top: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid #e8e8e8;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* Header layout */
.header-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

#fieldFinder,
#selectTables,
#graphPanel,
#orderPanel,
#dpPanel {
  scroll-margin-top: 260px;
}

#appSectionIntro .panel-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
#appSectionIntro .meta { color: #666; font-size: 12px; margin: 0 0 10px 0; display: flex; flex-wrap: wrap; gap: 6px; }
#selectTablesShell { margin-bottom: 14px; }

/* Tabs */
.tabbar { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 14px 0; }
.tabbtn { border: 1px solid #ccc; border-radius: 8px; background: #fff; padding: 6px 10px; cursor: pointer; font-size: 12px; }
.tabbtn.active { background: #4f81bd; color: #fff; border-color: #2f5f8f; }
.tabpanel { display: none; }
.tabpanel.active { display: block; }

/* Output dual panel */
.output-dual { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: start; }
@media (max-width: 1100px) { .output-dual { grid-template-columns: 1fr; } }