:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #eef3ff;
  --text: #172033;
  --muted: #5f6b81;
  --line: #dce3ef;
  --brand: #3157d5;
  --brand-dark: #223f9e;
  --brand-soft: #e8edff;
  --warning: #8a4f00;
  --warning-bg: #fff4dc;
  --error: #a22626;
  --error-bg: #fff0f0;
  --shadow: 0 20px 50px rgba(28, 42, 75, 0.09);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 0%, rgba(72, 104, 216, 0.12), transparent 28rem),
    var(--bg);
  color: var(--text);
}

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

.page-shell {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3.5rem 0 2.5rem;
}

.hero {
  padding: 1rem 0 2rem;
}

.eyebrow,
.section-kicker {
  margin: 0 0 0.45rem;
  color: var(--brand-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 0.8rem;
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

h2 {
  margin-bottom: 0.55rem;
  font-size: clamp(1.35rem, 3vw, 2rem);
  letter-spacing: -0.025em;
}

.hero-copy {
  max-width: 760px;
  margin-bottom: 1.25rem;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  line-height: 1.65;
}

.badge-row,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.badge {
  padding: 0.45rem 0.7rem;
  border: 1px solid #cfd9ff;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 0.82rem;
  font-weight: 700;
}

.workspace,
.results,
.schema-details {
  margin-top: 1.2rem;
  padding: clamp(1.1rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.3rem;
}

.section-heading h2 {
  margin-bottom: 0;
}

.data-status,
.record-count {
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--brand-dark);
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}

.controls-grid {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto minmax(220px, 0.8fr);
  align-items: end;
  gap: 0.8rem;
}

.field,
.file-field {
  display: grid;
  gap: 0.48rem;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

select,
textarea,
input[type="file"] {
  width: 100%;
  border: 1px solid #cbd4e4;
  border-radius: 12px;
  background: #fff;
  color: var(--text);
}

select,
input[type="file"] {
  min-height: 46px;
  padding: 0.68rem 0.75rem;
}

.field-textarea {
  margin-top: 1rem;
}

textarea {
  min-height: 280px;
  resize: vertical;
  padding: 0.9rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.55;
}

select:focus-visible,
textarea:focus-visible,
input:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(49, 87, 213, 0.28);
  outline-offset: 2px;
}

.action-row {
  margin-top: 1rem;
}

.button {
  min-height: 44px;
  padding: 0.68rem 1rem;
  border: 1px solid transparent;
  border-radius: 11px;
  cursor: pointer;
  font-weight: 800;
}

.button-primary {
  background: var(--brand);
  color: #fff;
}

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

.button-secondary {
  border-color: #cbd6ff;
  background: var(--brand-soft);
  color: var(--brand-dark);
}

.button-quiet {
  border-color: var(--line);
  background: #fff;
  color: var(--text);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.notice {
  margin-top: 1.2rem;
  padding: 1.15rem 1.25rem;
  border-radius: 16px;
}

.notice h2 {
  margin-bottom: 0.35rem;
  font-size: 1rem;
}

.notice p {
  margin-bottom: 0;
  line-height: 1.6;
}

.notice .boundary-followup {
  margin-top: 0.65rem;
}

.notice-synthetic {
  border: 1px solid #f0cd8c;
  background: var(--warning-bg);
  color: #693e08;
}

.notice-boundary {
  border: 1px solid #cfd9f3;
  background: #edf2fc;
  color: #32405c;
}

.error-message {
  margin: 0.9rem 0 0;
  padding: 0.8rem 0.9rem;
  border: 1px solid #efb7b7;
  border-radius: 10px;
  background: var(--error-bg);
  color: var(--error);
  font-weight: 700;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.metric-card {
  min-height: 156px;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: #fbfcff;
}

.metric-card-emphasis {
  border-color: #c8d3fa;
  background: var(--surface-soft);
}

.metric-card p {
  margin-bottom: 0.5rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.metric-card strong {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--brand-dark);
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.metric-card small {
  display: block;
  color: var(--muted);
  line-height: 1.45;
}

.metric-card .metric-count {
  margin: -0.2rem 0 0.55rem;
  color: var(--brand-dark);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 800;
}

.metric-card .metric-source {
  margin-top: 0.45rem;
  color: var(--brand-dark);
  font-size: 0.75rem;
  font-weight: 700;
}

.verdict-card {
  margin-top: 0.9rem;
  padding: 1.15rem;
  border: 1px solid #c8d3fa;
  border-radius: 15px;
  background: linear-gradient(135deg, #edf2ff, #f8faff);
}

.verdict-card h3 {
  margin-bottom: 0.45rem;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.verdict-card p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.55;
}

.schema-details {
  color: var(--text);
}

.schema-details summary {
  cursor: pointer;
  font-weight: 800;
}

pre {
  overflow-x: auto;
  margin: 1rem 0 0;
  padding: 1rem;
  border-radius: 12px;
  background: #111827;
  color: #e5edff;
  font-size: 0.8rem;
  line-height: 1.55;
}

footer {
  padding: 2rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

[hidden] {
  display: none !important;
}

@media (max-width: 800px) {
  .page-shell {
    width: min(100% - 1rem, 1080px);
    padding-top: 1.5rem;
  }

  .controls-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .metric-card {
    min-height: 0;
  }
}