:root {
  color-scheme: light;
  --bg: #f5f6f8;
  --panel: #ffffff;
  --ink: #171b22;
  --muted: #5f6b7a;
  --line: #d9dee7;
  --blue: #2457d6;
  --blue-soft: #e8efff;
  --green: #16794c;
  --green-soft: #e8f6ef;
  --amber: #9d5b00;
  --amber-soft: #fff1d6;
  --red: #b42318;
  --red-soft: #ffe7e3;
  --code: #101828;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 1px solid var(--blue);
  border-radius: 6px;
  background: var(--blue);
  color: #ffffff;
  cursor: pointer;
  min-height: 40px;
  padding: 0 14px;
  white-space: nowrap;
}

button.secondary {
  background: #ffffff;
  color: var(--ink);
  border-color: var(--line);
}

button:hover {
  filter: brightness(0.97);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.app-shell {
  width: min(1440px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.05;
}

h2 {
  font-size: 18px;
}

.privacy-badge {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: var(--panel);
  padding: 9px 12px;
  font-size: 13px;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  margin-bottom: 18px;
}

.status-strip > div {
  min-width: 0;
  background: var(--panel);
  padding: 14px;
}

.metric-label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.status-strip strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.95fr);
  gap: 18px;
  align-items: start;
}

.editor-pane,
.report-pane {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 18px;
}

.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

select,
.text-input {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  color: var(--ink);
  padding: 0 10px;
}

select {
  max-width: 260px;
}

.field-label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 6px;
}

.text-input {
  width: 100%;
  margin-bottom: 12px;
}

textarea {
  display: block;
  width: 100%;
  min-height: 540px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  color: var(--code);
  background: #fbfcfe;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.45;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.mode-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.mode-tabs button {
  min-width: 0;
  white-space: normal;
}

.action-row.compact {
  justify-content: flex-end;
  margin-top: 0;
}

.mode-note {
  border: 1px solid var(--blue-soft);
  border-radius: 8px;
  background: var(--blue-soft);
  padding: 12px;
  color: #173b8f;
  font-size: 13px;
  line-height: 1.45;
  margin-bottom: 14px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.summary-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.summary-item span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 5px;
}

.summary-item strong {
  font-size: 20px;
}

.fix-list,
.issue-list {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.fix-item,
.issue-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  line-height: 1.45;
}

.fix-item {
  border-color: #b6e2cd;
  background: var(--green-soft);
}

.issue-group {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.issue-group-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  background: #f7f9fc;
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
}

.issue-group-header h3 {
  margin: 0;
  font-size: 14px;
}

.issue-group-header span {
  color: var(--muted);
  font-size: 13px;
}

.issue-item {
  border-width: 0 0 1px;
  border-radius: 0;
}

.issue-item:last-child {
  border-bottom: 0;
}

.issue-item h4 {
  margin: 0 0 4px;
  font-size: 15px;
}

.issue-item p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.issue-source {
  margin-top: 7px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.severity-critical {
  border-color: #f6b2aa;
  background: var(--red-soft);
}

.severity-warning {
  border-color: #f4ce8c;
  background: var(--amber-soft);
}

.severity-info {
  border-color: #cbd8ff;
  background: var(--blue-soft);
}

.pill {
  display: inline-block;
  border-radius: 999px;
  padding: 2px 8px;
  margin-right: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.pill-critical {
  background: var(--red);
  color: #ffffff;
}

.pill-warning {
  background: var(--amber);
  color: #ffffff;
}

.pill-info {
  background: var(--blue);
  color: #ffffff;
}

.diff-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfe;
  padding: 12px;
  color: var(--muted);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.preview-shell {
  margin-top: 14px;
}

.compact-row {
  margin-bottom: 8px;
}

.fixed-preview {
  max-height: 280px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #101828;
  color: #f8fafc;
  padding: 12px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  padding: 18px;
  text-align: center;
}

@media (max-width: 980px) {
  .workspace,
  .status-strip,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .section-title-row {
    align-items: stretch;
    flex-direction: column;
  }

  select {
    max-width: none;
    width: 100%;
  }

  textarea {
    min-height: 360px;
  }

  .mode-tabs {
    grid-template-columns: 1fr;
  }
}