:root {
  color-scheme: light;
  --bg: #f6f7f8;
  --panel: #ffffff;
  --ink: #17212b;
  --muted: #5d6874;
  --line: #d9dee5;
  --accent: #126b72;
  --accent-soft: #dceff1;
  --warn: #9a5b00;
  --warn-soft: #fff3d7;
  --error: #9b1c31;
  --error-soft: #fbe4e8;
  --success: #1c6b3f;
  --success-soft: #e5f4eb;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

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

button {
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
  font-weight: 700;
  padding: 0.72rem 0.9rem;
}

button:hover,
button:focus-visible {
  background: #0d5459;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

a:hover,
a:focus-visible {
  text-decoration: underline;
}

label {
  color: var(--muted);
  display: grid;
  font-size: 0.86rem;
  font-weight: 700;
  gap: 0.38rem;
}

input,
select,
textarea {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  min-width: 0;
  padding: 0.68rem 0.72rem;
}

textarea {
  resize: vertical;
}

code {
  background: #eef1f4;
  border-radius: 4px;
  color: #26323d;
  padding: 0.12rem 0.28rem;
  word-break: break-word;
}

.document-shell {
  margin: 0 auto;
  max-width: 1500px;
  padding: 1.25rem;
}

.topbar {
  align-items: end;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 0.5rem 0 1rem;
}

.topbar h1,
.topbar p {
  margin: 0;
}

.topbar h1 {
  font-size: 2rem;
  line-height: 1.1;
}

.dek {
  color: var(--muted);
  margin-top: 0.35rem;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 0.22rem;
  text-transform: uppercase;
}

.workspace-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.workspace-links a {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.58rem 0.72rem;
}

.guardrail-band,
.connection-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.guardrail-band {
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 1rem;
  padding: 0.85rem;
}

.guardrail-band span {
  background: var(--accent-soft);
  border-radius: 6px;
  color: #15464a;
  font-size: 0.88rem;
  font-weight: 800;
  padding: 0.55rem;
  text-align: center;
}

.connection-panel {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 1rem;
  padding: 1rem;
}

.workspace-grid {
  align-items: start;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(250px, 0.85fr) minmax(480px, 1.45fr) minmax(270px, 0.9fr);
}

.template-panel,
.detail-panel,
.result-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
}

.panel-header,
.form-header {
  align-items: center;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
}

.panel-header h2,
.form-header h2,
.template-detail h2 {
  margin: 0;
}

.template-note,
.empty-state,
.fine-print {
  color: var(--muted);
  font-size: 0.86rem;
}

.template-note {
  border-bottom: 1px solid var(--line);
  margin: 0.8rem 0;
  padding-bottom: 0.8rem;
}

.template-list {
  display: grid;
  gap: 0.65rem;
}

.template-card {
  background: #f8fafb;
  border: 1px solid var(--line);
  color: var(--ink);
  display: grid;
  gap: 0.22rem;
  justify-items: start;
  padding: 0.8rem;
  text-align: left;
}

.template-card.selected {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.template-card span {
  font-weight: 800;
}

.template-card small {
  color: var(--muted);
}

.template-detail {
  border-bottom: 1px solid var(--line);
  margin-bottom: 1rem;
  padding-bottom: 1rem;
}

.metadata-list {
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 1rem 0;
}

.metadata-list div {
  background: #f8fafb;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.65rem;
}

.metadata-list dt {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.metadata-list dd {
  margin: 0.2rem 0 0;
}

.document-form {
  display: grid;
  gap: 1rem;
}

.badge {
  background: #eef1f4;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.42rem 0.6rem;
}

.field-grid,
.metadata-grid,
.warning-inputs {
  display: grid;
  gap: 0.85rem;
}

.field-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metadata-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.warning-inputs {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.wide {
  grid-column: 1 / -1;
}

.optional-section {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.85rem;
}

.optional-section summary {
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.validation-output,
.result-output,
.download-placeholder {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.85rem;
}

.validation-output.info {
  background: #eef1f4;
}

.validation-output.success {
  background: var(--success-soft);
  border-color: #b8dbc4;
}

.validation-output.error {
  background: var(--error-soft);
  border-color: #efb3c0;
}

.warning-list {
  background: var(--warn-soft);
  border: 1px solid #efcf91;
  border-radius: 8px;
  margin-top: 0.8rem;
  padding: 0.8rem;
}

.warning-list h3,
.validation-list h3 {
  margin: 0 0 0.5rem;
}

.warning-list ul {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding-left: 1.15rem;
}

.validation-list {
  margin-top: 0.8rem;
}

.download-placeholder {
  background: #f8fafb;
  margin-top: 1rem;
}

@media (max-width: 1100px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .connection-panel,
  .guardrail-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .document-shell {
    padding: 0.75rem;
  }

  .topbar,
  .panel-header,
  .form-header {
    align-items: stretch;
    flex-direction: column;
  }

  .connection-panel,
  .guardrail-band,
  .field-grid,
  .metadata-grid,
  .warning-inputs,
  .metadata-list {
    grid-template-columns: 1fr;
  }
}