.sme-page {
  --sme-bg: #f8fafc;
  --sme-surface: #ffffff;
  --sme-surface-hover: #f1f5f9;
  --sme-border: #e2e8f0;
  --sme-text: #1e293b;
  --sme-text-muted: #64748b;
  --sme-text-dim: #94a3b8;
  --sme-accent: #3b82f6;
  --sme-accent-soft: #dbeafe;
  --sme-font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --sme-font-display: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
  --sme-radius: 8px;

  display: flex;
  height: calc(100vh - 90px);
  border-top: 1px solid var(--sme-border);
  font-family: var(--sme-font-body);
  color: var(--sme-text);
  background: var(--sme-bg);
  font-size: 13px;
  line-height: 1.4;
}

/* ===== Left rail ===== */
.sme-rail {
  width: 260px;
  min-width: 260px;
  border-right: 1px solid var(--sme-border);
  background: var(--sme-surface);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sme-rail-section {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.sme-rail-section.grow {
  flex: 1;
}

.sme-rail-header {
  font-size: 11px;
  font-weight: 600;
  color: var(--sme-text-muted);
  letter-spacing: 0.05em;
  padding: 14px 16px 8px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sme-rail-count {
  font-size: 11px;
  color: var(--sme-text-dim);
  font-weight: 500;
  letter-spacing: 0;
}

.sme-rail-search {
  margin: 0 12px 6px;
  padding: 6px 10px;
  font-size: 12px;
  font-family: inherit;
  border: 1px solid var(--sme-border);
  border-radius: 6px;
  background: var(--sme-surface);
  outline: none;
  color: var(--sme-text);
}

.sme-rail-search:focus {
  border-color: var(--sme-accent);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

.sme-rail-list {
  overflow-y: auto;
  padding: 2px 8px 10px;
}

.sme-rail-group {
  margin-bottom: 4px;
}

.sme-rail-group-header {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--sme-text-muted);
  padding: 8px 10px 2px;
}

.sme-rail-subgroup {
  margin: 2px 0 4px;
}

.sme-rail-subgroup-header {
  font-size: 11px;
  font-weight: 600;
  color: var(--sme-text-dim);
  letter-spacing: 0.02em;
  padding: 4px 10px 1px 14px;
}

.sme-rail-subgroup .sme-rail-item.indent {
  padding-left: 18px;
}

.sme-rail-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  font-size: 12px;
  color: var(--sme-text);
  cursor: pointer;
  border-radius: 5px;
  word-break: break-word;
  outline: none;
  border: none;
  box-shadow: none;
}

.sme-rail-item:focus,
.sme-rail-item:focus-visible,
.sme-rail-item.active:focus,
.sme-rail-item.active:focus-visible {
  outline: none;
  border: none;
  box-shadow: none;
}

.sme-rail-item.indent {
  padding-left: 18px;
}

.sme-rail-item:hover {
  background: var(--sme-surface-hover);
}

.sme-rail-item.active {
  background: var(--sme-accent-soft);
  color: var(--sme-accent);
  font-weight: 500;
}

.sme-rail-icon {
  color: var(--sme-text-dim);
  font-family: var(--sme-font-display);
  font-size: 10px;
  flex-shrink: 0;
  text-align: center;
}

.sme-rail-item.active .sme-rail-icon {
  color: var(--sme-accent);
}

/* ===== Main pane ===== */
.sme-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sme-toolbar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--sme-border);
  background: var(--sme-surface);
}

.sme-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.sme-label {
  font-size: 12px;
  color: var(--sme-text-muted);
  font-weight: 500;
  min-width: 80px;
  letter-spacing: 0.01em;
}

.sme-select {
  min-width: 200px;
  font-size: 12px;
}

.sme-select-wide {
  flex: 1;
  min-width: 260px;
  font-size: 12px;
}

.sme-filter-row {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.sme-add-filter {
  background: var(--sme-accent-soft);
  color: var(--sme-accent);
  border: none;
  border-radius: 6px;
  padding: 5px 12px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
}

.sme-add-filter:hover:not(:disabled) {
  background: #bfdbfe;
}

.sme-add-filter:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.sme-remove-filter {
  background: transparent;
  border: none;
  color: var(--sme-text-dim);
  cursor: pointer;
  font-size: 16px;
  padding: 0 6px;
  line-height: 1;
}

.sme-remove-filter:hover {
  color: var(--sme-text);
}

.sme-text-input {
  padding: 6px 10px;
  border: 1px solid var(--sme-border);
  border-radius: 6px;
  font-size: 12px;
  font-family: inherit;
  background: var(--sme-surface);
  min-width: 160px;
  color: var(--sme-text);
}

.sme-text-input:focus {
  outline: none;
  border-color: var(--sme-accent);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

/* ===== Chart card ===== */
.sme-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
}

.sme-chart-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}

.sme-view-toggle {
  display: inline-flex;
  border: 1px solid var(--sme-border);
  border-radius: 7px;
  overflow: hidden;
  background: var(--sme-surface);
  padding: 2px;
}

.sme-view-btn {
  padding: 5px 12px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 12px;
  font-family: inherit;
  color: var(--sme-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 5px;
}

.sme-view-btn:hover:not(.active) {
  color: var(--sme-text);
}

.sme-view-btn.active {
  color: var(--sme-accent);
  background: var(--sme-accent-soft);
  font-weight: 500;
}

.sme-options {
  display: inline-flex;
  gap: 14px;
  align-items: center;
  font-size: 12px;
  color: var(--sme-text-muted);
}

.sme-options label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.sme-options input[type='checkbox'] {
  accent-color: var(--sme-accent);
}

.sme-chart-title {
  font-family: var(--sme-font-body);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin: 0;
  color: var(--sme-text);
}

.sme-chart-title-link,
.sme-chart-title-link:visited {
  color: inherit;
  text-decoration: underline dotted;
  text-decoration-color: var(--sme-text-dim);
  text-underline-offset: 4px;
  text-decoration-thickness: 1.5px;
  transition: color 120ms ease-out, text-decoration-color 120ms ease-out;
}

.sme-chart-title-link:hover {
  color: var(--sme-accent);
  text-decoration-color: var(--sme-accent);
}

.sme-chart-subtitle {
  color: var(--sme-text-muted);
  margin: 4px 0 0;
  font-size: 13px;
}

.sme-chart-description {
  color: var(--sme-text-muted);
  margin: 6px 0 14px;
  font-size: 12.5px;
  line-height: 1.5;
  display: block;
  width: 100%;
  max-width: 100%;
}

.sme-chart-body {
  width: 100%;
  height: 460px;
  background: var(--sme-surface);
  border: 1px solid var(--sme-border);
  border-radius: var(--sme-radius);
  padding: 12px 8px 8px;
}

.sme-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 360px;
  color: var(--sme-text-dim);
  font-size: 13px;
  gap: 8px;
  background: var(--sme-surface);
  border: 1px solid var(--sme-border);
  border-radius: var(--sme-radius);
}

.sme-empty-icon {
  font-size: 32px;
  opacity: 0.5;
}

.sme-table-wrap {
  max-height: 540px;
  overflow: auto;
  border: 1px solid var(--sme-border);
  border-radius: var(--sme-radius);
  background: var(--sme-surface);
}

.sme-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  font-family: inherit;
}

.sme-table th,
.sme-table td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--sme-border);
}

.sme-table th {
  background: var(--sme-bg);
  color: var(--sme-text-muted);
  font-weight: 600;
  position: sticky;
  top: 0;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sme-table tbody tr:hover {
  background: var(--sme-surface-hover);
}

.sme-error {
  color: #dc2626;
  margin: 8px 0;
  font-size: 12px;
}

.sme-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--sme-border);
  border-top-color: var(--sme-accent);
  border-radius: 50%;
  animation: sme-spin 0.8s linear infinite;
  margin-right: 6px;
  vertical-align: middle;
}

@keyframes sme-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Constrain react-select fonts/heights for consistency */
.sme-page .css-1nmdiq5-menu,
.sme-page .css-13cymwt-control,
.sme-page .css-t3ipsp-control {
  font-size: 12px;
  font-family: var(--sme-font-body);
  min-height: 32px;
}

.sme-page .css-1jqq78o-placeholder,
.sme-page .css-1dimb5e-singleValue {
  font-size: 12px;
}