:root {
  color-scheme: light;
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #eef3f8;
  --border: #d8dee8;
  --text: #1d2430;
  --muted: #5d6979;
  --muted-2: #7a8697;
  --blue: #1d6fbd;
  --blue-dark: #124d86;
  --green: #18835f;
  --amber: #ad6a00;
  --red: #bb2a2f;
  --shadow: 0 18px 45px rgba(29, 36, 48, 0.09);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
textarea {
  font: inherit;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 32px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 30px;
  line-height: 1.1;
}

.header-actions {
  display: flex;
  gap: 10px;
}

.button,
.icon-button,
.segment {
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease;
}

.button {
  padding: 0 16px;
  font-weight: 700;
}

.button.primary {
  border-color: var(--blue);
  background: var(--blue);
  color: #ffffff;
}

.button.primary:hover {
  background: var(--blue-dark);
}

.button.secondary,
.icon-button {
  background: var(--surface);
  color: var(--text);
}

.button.secondary:hover,
.icon-button:hover {
  border-color: #b8c4d4;
  background: var(--surface-2);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(420px, 1.1fr);
  gap: 24px;
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 24px 32px 36px;
}

.input-pane,
.results-pane {
  min-width: 0;
}

.input-pane {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.segmented {
  display: inline-grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.segment {
  min-width: 116px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
}

.segment.active {
  background: var(--blue);
  color: #ffffff;
}

.icon-button {
  min-width: 72px;
  padding: 0 12px;
  color: var(--muted);
  font-weight: 700;
}

.field-label,
.label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

textarea {
  width: 100%;
  min-height: 150px;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  padding: 14px;
  line-height: 1.45;
  outline: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

#logInput {
  min-height: 330px;
}

#batchInput {
  min-height: 520px;
}

textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(29, 111, 189, 0.16);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.metric {
  min-height: 88px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 14px;
  box-shadow: var(--shadow);
}

.metric-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 26px;
  line-height: 1.1;
}

.empty-state {
  min-height: 420px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 14px;
  border: 1px dashed #b8c4d4;
  border-radius: 8px;
  background: var(--surface);
  padding: 36px;
  text-align: center;
}

.empty-state h2 {
  margin-bottom: 0;
  font-size: 22px;
}

.empty-state p {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.5;
}

.pipeline-visual {
  display: grid;
  grid-template-columns: repeat(4, 52px);
  gap: 10px;
  align-items: end;
  height: 84px;
  margin-bottom: 6px;
}

.pipeline-visual span {
  display: block;
  border-radius: 8px 8px 3px 3px;
  background: var(--blue);
}

.pipeline-visual span:nth-child(1) {
  height: 38px;
  background: var(--green);
}

.pipeline-visual span:nth-child(2) {
  height: 58px;
  background: var(--blue);
}

.pipeline-visual span:nth-child(3) {
  height: 76px;
  background: var(--red);
}

.pipeline-visual span:nth-child(4) {
  height: 48px;
  background: var(--amber);
}

.results {
  display: grid;
  gap: 14px;
}

.result-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 18px;
  box-shadow: var(--shadow);
}

.card-topline,
.panel-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.result-title {
  margin-bottom: 4px;
  font-size: 20px;
  line-height: 1.25;
}

.result-subtitle {
  margin-bottom: 0;
  color: var(--muted);
}

.severity {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 0 11px;
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.severity.high {
  background: var(--red);
}

.severity.medium {
  background: var(--amber);
}

.severity.low {
  background: var(--green);
}

.diagnosis-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
  padding: 14px;
  border-radius: 8px;
  background: var(--surface-2);
}

.diagnosis-row strong {
  display: block;
  margin-top: 5px;
  overflow-wrap: anywhere;
}

.evidence-block,
.action-block,
.report-panel {
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.evidence {
  margin: 8px 0 0;
  padding-left: 20px;
  color: var(--text);
}

.evidence li {
  margin: 5px 0;
  overflow-wrap: anywhere;
}

.action {
  margin: 8px 0 0;
  color: var(--text);
  line-height: 1.5;
}

.report-panel {
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  padding: 16px;
  box-shadow: var(--shadow);
}

.report-panel h2 {
  margin: 0;
  font-size: 18px;
}

pre {
  overflow: auto;
  max-height: 320px;
  margin: 14px 0 0;
  border-radius: 8px;
  background: #16202c;
  color: #e9f1fb;
  padding: 14px;
  line-height: 1.5;
  white-space: pre-wrap;
}

@media (max-width: 940px) {
  .app-header,
  .workspace {
    padding-right: 18px;
    padding-left: 18px;
  }

  .app-header,
  .workspace,
  .summary-grid,
  .diagnosis-row {
    grid-template-columns: 1fr;
  }

  .app-header {
    display: grid;
  }

  .header-actions {
    justify-content: stretch;
  }

  .header-actions .button {
    flex: 1;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: 26px;
  }

  .toolbar,
  .card-topline,
  .panel-header {
    align-items: stretch;
    flex-direction: column;
  }

  .segmented {
    width: 100%;
  }

  .segment {
    min-width: 0;
  }

  .pipeline-visual {
    grid-template-columns: repeat(4, 1fr);
    width: min(248px, 100%);
  }
}