:root {
  --bg: #f4f3ee;
  --ink: #111111;
  --muted: #5f5f5f;
  --line: #1f1f1f;
  --panel: #ffffff;
  --accent: #0a3d62;
  --shadow: rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Helvetica Neue", Helvetica, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f9f7f2 0%, #f0efe8 100%);
  letter-spacing: 0.01em;
}

.shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

h1 {
  margin: 8px 0 0;
  font-size: 40px;
  font-weight: 600;
}

.kicker {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.meta {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.dsl-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  font-weight: 500;
}

.panel {
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: 6px 6px 0 var(--line);
  margin-bottom: 24px;
}

.panel__header {
  padding: 12px 16px;
  font-weight: 600;
  border-bottom: 2px solid var(--line);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
}

.panel__body {
  padding: 20px 16px;
}

.dsl-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr 1.2fr;
  grid-auto-rows: minmax(140px, auto);
  gap: 20px;
}

.panel--app {
  grid-column: 1 / 2;
}

.panel--modules {
  grid-column: 1 / 2;
}

.panel--entities {
  grid-column: 2 / 4;
}

.panel--rules {
  grid-column: 1 / 2;
}

.panel--impact {
  grid-column: 3 / 4;
}

.panel--sources {
  margin-top: 24px;
}

.panel--checklist .checklist {
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.panel--actions .actions {
  flex-wrap: wrap;
}

.validation-log pre {
  background: #f7f7f5;
  border: 1px solid var(--line);
  padding: 12px;
  font-size: 12px;
  white-space: pre-wrap;
}

.file-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 16px;
}

.file-list {
  border-right: 1px solid var(--line);
  padding-right: 12px;
}

.file-link {
  text-decoration: none;
  color: var(--ink);
}

.file-preview pre {
  background: #f7f7f5;
  border: 1px solid var(--line);
  padding: 12px;
  font-size: 12px;
  white-space: pre-wrap;
}

.file-meta {
  margin-bottom: 8px;
  font-weight: 600;
}

@media (max-width: 980px) {
  .file-grid {
    grid-template-columns: 1fr;
  }

  .file-list {
    border-right: none;
    padding-right: 0;
    border-bottom: 1px solid var(--line);
    padding-bottom: 12px;
  }
}

.entity-card {
  border: 1px solid var(--line);
  padding: 16px;
  margin-bottom: 16px;
}

.entity-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 18px;
  font-weight: 600;
}

.entity-meta {
  color: var(--muted);
  margin: 8px 0 12px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th,
.table td {
  border-bottom: 1px solid var(--line);
  padding: 8px 4px;
  text-align: left;
}

.badge {
  border: 1px solid var(--line);
  padding: 2px 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.module-title {
  font-weight: 600;
}

.rule-expression {
  font-weight: 500;
}

.impact-grid {
  display: grid;
  gap: 12px;
}

.impact-item {
  border: 1px solid var(--line);
  padding: 12px;
  text-align: center;
}

.impact-number {
  font-size: 24px;
  font-weight: 600;
}

.impact-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
  color: var(--muted);
}

.brd-text {
  white-space: pre-wrap;
  font-size: 13px;
  line-height: 1.6;
  background: #f7f7f5;
  border: 1px solid var(--line);
  padding: 16px;
}

.field {
  margin-bottom: 16px;
  display: grid;
  gap: 6px;
}

input[type="text"],
textarea,
input[type="file"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  font-family: inherit;
  font-size: 14px;
}

.actions {
  margin-top: 16px;
  display: flex;
  gap: 12px;
}

.button,
input[type="submit"],
button {
  background: var(--ink);
  color: #ffffff;
  border: none;
  padding: 10px 16px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.file-chip {
  border: 1px solid var(--line);
  padding: 6px 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.muted {
  color: var(--muted);
}

.flash {
  position: sticky;
  top: 0;
  background: #fff4d1;
  border-bottom: 2px solid var(--line);
  padding: 12px 24px;
  z-index: 10;
}

.flash__item {
  font-size: 14px;
}

@media (max-width: 980px) {
  .dsl-grid {
    grid-template-columns: 1fr;
  }

  .panel--entities,
  .panel--impact,
  .panel--rules,
  .panel--modules,
  .panel--app {
    grid-column: 1 / -1;
  }
}