:root {
  color-scheme: light;
}

html,
body {
  height: 100%;
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.toolbar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 0.75rem;
  border: 1px solid rgb(226 232 240);
  background: white;
  padding: 0.55rem 0.9rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: rgb(51 65 85);
  transition: all 160ms ease;
}

.toolbar-btn:hover:not(:disabled) {
  border-color: rgb(148 163 184);
  background: rgb(248 250 252);
}

.toolbar-btn:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.toolbar-btn--accent {
  color: rgb(14 116 144);
}

.toolbar-btn--success {
  color: rgb(5 150 105);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid rgb(226 232 240);
  padding: 0.9rem 1rem;
}

.panel-eyebrow {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgb(100 116 139);
}

.panel-title {
  margin-top: 0.2rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: rgb(15 23 42);
}

.editor-wrap {
  display: grid;
  grid-template-columns: 52px 1fr;
  height: calc(100% - 67px);
  min-height: 0;
  background: linear-gradient(180deg, rgb(250 250 250) 0%, rgb(255 255 255) 100%);
}

.editor-gutter {
  overflow: hidden;
  border-right: 1px solid rgb(226 232 240);
  background: rgb(248 250 252);
  padding: 1rem 0 1rem 0.5rem;
  text-align: right;
  color: rgb(148 163 184);
  font: 500 13px/1.65 "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.editor-line-number {
  height: 1.65em;
  padding-right: 0.65rem;
}

.editor-textarea {
  height: 100%;
  width: 100%;
  resize: none;
  border: 0;
  background: transparent;
  padding: 1rem;
  font: 500 13px/1.65 "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: rgb(15 23 42);
  outline: none;
  tab-size: 2;
}

.editor-textarea::placeholder {
  color: rgb(148 163 184);
}

.checker-body {
  display: flex;
  height: calc(100% - 67px);
  min-height: 0;
  min-width: 0;
  flex-direction: column;
  gap: 0.9rem;
  padding: 1rem;
}

.dropzone {
  cursor: pointer;
  display: flex;
  min-height: 92px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px dashed rgb(203 213 225);
  border-radius: 1rem;
  background: rgb(248 250 252);
  padding: 1rem;
  transition: all 160ms ease;
}

.dropzone--active {
  border-color: rgb(16 185 129);
  background: rgb(236 253 245);
}

.metric-card {
  border: 1px solid rgb(226 232 240);
  border-radius: 1rem;
  background: rgb(248 250 252);
  padding: 0.85rem 0.95rem;
}

.metric-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgb(100 116 139);
}

.metric-value {
  margin-top: 0.3rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: rgb(15 23 42);
}

.results-shell {
  display: flex;
  min-height: 0;
  min-width: 0;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid rgb(226 232 240);
  border-radius: 1rem;
}

.results-tabs {
  display: flex;
  gap: 0.35rem;
  border-bottom: 1px solid rgb(226 232 240);
  background: rgb(248 250 252);
  padding: 0.6rem;
}

.result-tab {
  border-radius: 0.7rem;
  padding: 0.45rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgb(71 85 105);
}

.result-tab--active {
  background: white;
  color: rgb(15 23 42);
  box-shadow: inset 0 0 0 1px rgb(226 232 240);
}

.results-table-wrap {
  min-height: 0;
  min-width: 0;
  flex: 1;
  overflow: auto;
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.results-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: white;
  border-bottom: 1px solid rgb(226 232 240);
  padding: 0.8rem 0.9rem;
  text-align: left;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgb(100 116 139);
}

.results-table tbody td {
  border-bottom: 1px solid rgb(241 245 249);
  padding: 0.85rem 0.9rem;
  vertical-align: top;
  color: rgb(15 23 42);
}

.results-table tbody tr:hover {
  background: rgb(248 250 252);
}

.empty-row {
  text-align: center;
  color: rgb(148 163 184) !important;
}


.data-stats {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgb(226 232 240);
  border-radius: 0.75rem;
  background: rgb(248 250 252);
  padding: 0.55rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgb(71 85 105);
  white-space: pre;
}

.runtime-progress-track {
  position: relative;
  height: 0.55rem;
  width: 100%;
  overflow: hidden;
  border-radius: 9999px;
  background: rgb(226 232 240);
}

.runtime-progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  display: block;
  height: 100%;
  width: 0;
  border-radius: 9999px;
  background: rgb(37 99 235);
  transition: width 220ms linear;
}