:root {
  --page-bg: #f5f6f8;
  --card-border: #dee2e6;
  --muted: #5f6b76;
  --mono: 'IBM Plex Mono', monospace;
  --panel-bg: #ffffff;
}

body {
  background: linear-gradient(180deg, #f5f6f8 0%, #eef2f6 100%);
  color: #212529;
  font-family: "Segoe UI", Arial, sans-serif;
}

h1 {
  font-size: clamp(1.65rem, 3vw, 2rem);
  font-weight: 650;
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
}

.app-shell {
  max-width: 1600px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.header-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.header-status-pills {
  display: flex;
  gap: 0.4rem;
}

.processor-status {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: #6b7280;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid #dbe3ec;
  border-radius: 999px;
  background: #fff;
}

.nav-step-btn {
  font-size: 0.75rem;
  padding: 0.25rem 0.55rem;
  color: var(--muted);
  border: 1px solid #e2e8f0;
  background: transparent;
  border-radius: 0.375rem;
  line-height: 1.4;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.nav-step-btn:hover:not(:disabled) {
  color: #374151;
  border-color: #9ca3af;
  background: #f8fafc;
}
.nav-step-btn:disabled {
  opacity: 0.3;
  cursor: default;
}

.sql-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #adb5bd;
  display: inline-block;
  flex-shrink: 0;
  transition: background 0.3s;
}

.sql-status-dot.ready {
  background: #198754;
  box-shadow: 0 0 6px rgba(25, 135, 84, 0.45);
}

.sql-status-dot.loading {
  background: #0d6efd;
  animation: sql-pulse 1s infinite;
}

.sql-status-dot.warning {
  background: #f0a500;
  box-shadow: 0 0 6px rgba(240, 165, 0, 0.35);
}

.sql-status-dot.error {
  background: #dc3545;
}

@keyframes sql-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ── About Modal ─────────────────────────────────────────── */

.about-modal-content {
  border-radius: 1rem;
  border: none;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.18);
}

.about-modal-body {
  padding: 1.5rem 1.75rem;
}

.about-lead {
  font-size: 0.95rem;
  color: #374151;
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.about-steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.about-step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.about-step-num {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: #0d6efd;
  color: #fff;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.1rem;
}

.about-step > div > strong:first-child {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.9rem;
}

.about-step p {
  margin: 0;
  font-size: 0.85rem;
  color: #4b5563;
  line-height: 1.6;
}

.about-section-heading {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: #6b7280;
  margin-bottom: 0.65rem;
}

.about-notes {
  font-size: 0.85rem;
  color: #4b5563;
  line-height: 1.65;
  padding-left: 1.25rem;
  margin-bottom: 0;
}

.about-notes li {
  margin-bottom: 0.4rem;
}

.about-modal-footer {
  border-top: 1px solid #e5e7eb;
  padding: 1rem 1.75rem;
  background: #f8f9fa;
  border-radius: 0 0 1rem 1rem;
}

.about-credit {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.25rem;
  width: 100%;
}

.about-credit-thanks {
  margin: 0;
  font-size: 0.85rem;
  color: #4b5563;
}

.about-credit-links {
  display: flex;
  gap: 0.75rem;
  margin-left: auto;
}

.about-credit-link {
  font-size: 0.82rem;
  color: #4b5563;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.15s;
}

.about-credit-link:hover {
  color: #0d6efd;
}

.eyebrow,
.section-label,
.mono-label,
.workflow-step-num {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  color: var(--muted);
}

.app-card {
  border: 1px solid var(--card-border);
  border-radius: 0.9rem;
  background: var(--panel-bg);
  box-shadow: 0 3px 14px rgba(15, 23, 42, 0.05);
}

.controls-card .card-body {
  padding: 0.95rem;
}

.controls-card select {
  font-size: 0.82rem;
  padding: 0.4rem 0.55rem;
}

.controls-card label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

.workspace-card {
  border-radius: 0.9rem;
}

.workflow-tabs {
  display: flex;
  margin-bottom: 0.75rem;
  gap: 0;
}

.workflow-tab {
  flex: 1 1 0;
  min-width: 0;
  position: relative;
  text-align: center;
  background: #ffffff;
  border: none;
  padding: 0.55rem 1.5rem 0.55rem 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.1rem;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 50%, calc(100% - 14px) 100%, 0 100%, 14px 50%);
  transition: background 0.2s ease, color 0.2s ease;
  border-top: 1px solid #d7e0ea;
  border-bottom: 1px solid #d7e0ea;
}

.workflow-tab:first-child {
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 50%, calc(100% - 14px) 100%, 0 100%);
  border-left: 1px solid #d7e0ea;
  border-radius: 0.5rem 0 0 0.5rem;
}

.workflow-tab:last-child {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 14px 50%);
  border-right: 1px solid #d7e0ea;
  border-radius: 0 0.5rem 0.5rem 0;
}

.workflow-tab .workflow-step-num {
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #6b7280;
}

.workflow-tab .workflow-title {
  font-weight: 700;
  font-size: 0.9rem;
  color: #1f2937;
}

.workflow-tab .workflow-subtitle {
  display: none;
}

.workflow-tab.is-active {
  background: linear-gradient(135deg, #0d6efd 0%, #0b5ed7 100%);
  box-shadow: 0 4px 12px rgba(13, 110, 253, 0.25);
  z-index: 1;
}

.workflow-tab.is-active .workflow-step-num,
.workflow-tab.is-active .workflow-title {
  color: #fff;
}

.tab-info-btn {
  display: inline-flex;
  align-items: center;
  margin-left: 0.2rem;
  vertical-align: middle;
  font-size: 0.68rem;
  opacity: 0.4;
  cursor: default;
  pointer-events: all;
  transition: opacity 0.15s;
}
.tab-info-btn:hover {
  opacity: 1;
}
.workflow-tab.is-active .tab-info-btn {
  color: rgba(255, 255, 255, 0.8);
  opacity: 0.6;
}
.workflow-tab.is-active .tab-info-btn:hover {
  color: #fff;
  opacity: 1;
}

.workflow-viewport {
  overflow: hidden;
}

.workflow-track {
  display: flex;
  transition: transform 0.35s ease;
  will-change: transform;
}

.workflow-panel {
  flex: 0 0 100%;
  width: 100%;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.step-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
  padding: 0 0.1rem;
}

.step-footer-note {
  font-size: 0.88rem;
  color: var(--muted);
}

.small-note {
  font-size: 0.92rem;
}

.drop-zone {
  position: relative;
  cursor: pointer;
  border: 2px dashed #cbd5e1;
  border-radius: 0.8rem;
  background: #f8f9fa;
  padding: 0.6rem 0.8rem;
  min-height: 84px;
  color: #495057;
  text-align: center;
  transition: all 0.18s ease;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: #0d6efd;
  background: #eef4ff;
  color: #0d6efd;
}

.drop-zone.has-file {
  border-style: solid;
  border-color: #198754;
  background: #f0fff4;
  color: #146c43;
}

.drop-zone-clear {
  display: none;
  position: absolute;
  top: 0.35rem;
  right: 0.45rem;
  background: none;
  border: none;
  font-size: 1.1rem;
  line-height: 1;
  color: #146c43;
  cursor: pointer;
  padding: 0 0.2rem;
  opacity: 0.7;
}

.drop-zone-clear:hover {
  opacity: 1;
}

.drop-zone.has-file .drop-zone-clear {
  display: block;
}

.drop-zone-icon {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 0.2rem;
}

.drop-zone-text {
  display: block;
  font-weight: 600;
}

.drop-zone-subtext {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: #eef4ff;
  color: #0d6efd;
  font-size: 0.88rem;
}

/* Column selector bar ---------------------------------------------------- */
.col-selector-bar {
  border: 1px solid #e4eaf0;
  border-radius: 0.75rem;
  background: #f8f9fa;
  padding: 0.6rem 0.75rem;
}

.col-selector-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.col-selector-actions {
  display: flex;
  gap: 0.35rem;
  margin-left: auto;
}

.btn-xs {
  font-size: 0.72rem;
  padding: 0.18rem 0.55rem;
  line-height: 1.4;
  border-radius: 999px;
}

.col-selector-notice {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
  padding: 0.3rem 0.5rem;
  background: #fff8e1;
  border: 1px solid #ffe082;
  border-radius: 0.4rem;
}

.col-chip-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.col-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.28rem 0.6rem;
  border: 1px solid #ced4da;
  border-radius: 999px;
  background: #fff;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.col-chip:hover:not(.is-locked) {
  border-color: #0d6efd;
  color: #0d6efd;
}

.col-chip.is-selected {
  background: #e8f0fe;
  border-color: #0d6efd;
  color: #0d47a1;
}

.col-chip.is-locked {
  background: #d4edda;
  border-color: #198754;
  color: #0a3622;
  cursor: default;
}

.col-chip-lock {
  font-size: 0.6rem;
  opacity: 0.7;
}

/* Legacy chip styles kept for possible reuse */
.header-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.header-chip-list.empty-state {
  color: var(--muted);
  font-size: 0.92rem;
}

.header-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.32rem 0.55rem;
  border: 1px solid #d8dee4;
  border-radius: 999px;
  background: #fff;
  font-family: var(--mono);
  font-size: 0.72rem;
}

.header-chip .original-name {
  color: var(--muted);
}

.helper-box,
.locked-defaults-box {
  border: 1px solid #d9e5ff;
  background: #f4f8ff;
  border-radius: 0.7rem;
  padding: 0.75rem 0.9rem;
}

.default-attr-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.4rem;
}

.default-attr-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.5rem;
  border-radius: 999px;
  border: 1px solid #bfd3ff;
  background: #fff;
  color: #0d47a1;
  font-family: var(--mono);
  font-size: 0.68rem;
}

.request-mode-note {
  font-size: 0.82rem;
  line-height: 1.35;
  color: #5f6b7a;
}

.toolbar-stack {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-width: min(100%, 22rem);
}

.attribute-table-wrap {
  max-height: 29rem;
  overflow: auto;
  border: 1px solid #edf0f2;
  border-radius: 0.7rem;
}

.attribute-table-wrap.compact {
  max-height: 31rem;
}

.attribute-table thead th {
  position: sticky;
  top: 0;
  background: #f8f9fa;
  z-index: 1;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.attribute-table td {
  vertical-align: top;
}

.attribute-key {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

/* Field completeness tier indicators */
.coverage-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  flex-shrink: 0;
  cursor: help;
}

.coverage-dot-recommended {
  background-color: #15803d;
  border-radius: 50%;
}

/* Diamond shape — distinguishes situational tier by shape, not color alone (WCAG 1.4.1) */
.coverage-dot-situational {
  background-color: #b45309;
  border-radius: 1px;
  transform: rotate(45deg);
}

.coverage-legend {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.74rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.coverage-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.col-check {
  width: 4rem;
}

/* Preview wrapper — matches EDA's .table-scroll pattern */
.preview-wrap {
  overflow-x: auto;
  border-radius: 0.7rem;
  background: #fff;
}

.preview-wrap.review {
  min-height: 24rem;
}

/* Scrollbar matches EDA's sql-results-scroll */
.preview-wrap::-webkit-scrollbar {
  height: 10px;
  width: 10px;
}

.preview-wrap::-webkit-scrollbar-thumb {
  background: #dee2e6;
  border-radius: 4px;
}

.preview-wrap .tabulator-tableholder::-webkit-scrollbar {
  height: 10px;
  width: 10px;
}

.preview-wrap .tabulator-tableholder::-webkit-scrollbar-thumb {
  background: #dee2e6;
  border-radius: 4px;
}

.tabulator {
  border-radius: 0.7rem;
  border: 1px solid #edf0f2;
  background: #fff;
}

.tabulator .tabulator-header {
  background: #f8f9fa;
  border-bottom: 1px solid #dfe5eb;
}

.tabulator .tabulator-col,
.tabulator .tabulator-cell {
  font-size: 0.84rem;
}

.tabulator .tabulator-col {
  border-right: 1px solid #e7ebf0;
  background: #f8f9fa;
  font-weight: 600;
}

.tabulator .tabulator-col-title {
  white-space: nowrap;
}

.tabulator .tabulator-row:nth-child(even) {
  background: #fbfcfe;
}

.tabulator .tabulator-row:hover {
  background: #f3f7ff;
}

.tabulator .tabulator-cell {
  white-space: nowrap;
  border-right: 1px solid #eef2f6;
  border-bottom: 1px solid #eef2f6;
  padding: 0.45rem 0.5rem;
}

.tabulator .row-number-cell,
.tabulator .tabulator-frozen.tabulator-cell {
  background: #f8f9fa;
  font-family: var(--mono);
  color: var(--muted);
}

.action-buttons {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.status-banner {
  border-radius: 0.7rem;
  padding: 0.8rem 0.95rem;
  font-size: 0.94rem;
}

.status-banner.info {
  background: #eef4ff;
  color: #0d47a1;
}

.status-banner.success {
  background: #eefbf3;
  color: #146c43;
}

.status-banner.warning {
  background: #fff8e6;
  color: #8a5b00;
}

.status-banner.danger {
  background: #fff0f1;
  color: #b42318;
}

.console-toggle {
  font-size: 0.75rem;
  color: #6b7280;
  text-decoration: none;
  user-select: none;
}
.console-toggle:hover {
  color: #0d6efd;
  text-decoration: none;
}

.process-console {
  margin-top: 0.5rem;
  min-height: 8rem;
  max-height: 12rem;
  overflow: auto;
  border: 1px solid #dee2e6;
  border-radius: 0.5rem;
  background: #f8f9fa;
  padding: 0.75rem 0.9rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.55;
  color: #4b5563;
  white-space: pre-wrap;
}

.export-options {
  display: grid;
  gap: 0.55rem;
}

.export-option {
  display: block;
  border: 1px solid #d8e0ea;
  border-radius: 0.75rem;
  padding: 0.65rem 0.85rem;
  background: #fff;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.export-option input {
  display: none;
}

.export-option-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.export-option-icon {
  font-size: 1.35rem;
  line-height: 1;
  color: var(--muted);
  flex-shrink: 0;
  transition: color 0.2s ease;
}

.export-option.is-selected .export-option-icon {
  color: #0d6efd;
}

.export-option-planned .export-option-icon {
  color: #946200;
}

.export-option.is-selected {
  border-color: #0d6efd;
  background: #f0f6ff;
  box-shadow: inset 0 0 0 1px rgba(13, 110, 253, 0.12);
}

.export-option-title {
  display: block;
  font-weight: 700;
}

.export-option-note {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.export-option-planned .export-option-note {
  color: #946200;
}

.export-dl-btn {
  margin-left: auto;
  flex-shrink: 0;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  border: 1px solid #d8e0ea;
  background: transparent;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  cursor: pointer;
  padding: 0;
  font-size: 0.9rem;
  line-height: 1;
}

.export-dl-btn:hover:not(:disabled) {
  color: #0d6efd;
  border-color: #0d6efd;
  background: #f0f6ff;
}

.export-dl-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.export-option.is-selected .export-dl-btn {
  color: #0d6efd;
  border-color: #0d6efd;
}

.export-option-planned .export-dl-btn {
  color: #946200;
  border-color: #e9c56d;
}

.export-option-planned.is-selected .export-dl-btn {
  color: #0d6efd;
  border-color: #0d6efd;
}

.export-summary {
  border: 1px solid #e5e7eb;
  background: #f8f9fa;
  border-radius: 0.75rem;
  padding: 1rem;
  min-height: 16rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}

.summary-item {
  border: 1px solid #e5e7eb;
  border-radius: 0.65rem;
  padding: 0.7rem 0.8rem;
  background: #fff;
}

.summary-item-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.summary-item-value {
  display: block;
  margin-top: 0.15rem;
  font-weight: 700;
  color: #1f2937;
}

.summary-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.summary-chip {
  display: inline-flex;
  padding: 0.22rem 0.5rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #dbe3ec;
  font-family: var(--mono);
  font-size: 0.68rem;
}

@media (max-width: 991.98px) {
  .page-header,
  .step-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .header-actions {
    align-items: flex-start;
  }

  .workflow-tabs {
    flex-direction: column;
  }

  .workflow-tab,
  .workflow-tab.is-active {
    flex: 1 1 auto;
  }

  .workflow-tab .workflow-subtitle,
  .workflow-tab.is-active .workflow-subtitle {
    display: block;
  }

  .toolbar-stack {
    min-width: 100%;
  }
}