:root {
  --bg: #f7f7f5;
  --panel: #ffffff;
  --panel-soft: #fbfbfa;
  --line: #e8e7e4;
  --text: #23221f;
  --muted: #6f6b63;
  --accent: #2f6f5b;
  --accent-soft: #e7f1ed;
  --warning: #8a5a18;
  --warning-soft: #f7ecd8;
  --success: #26634f;
  --success-soft: #e3f0eb;
  --shadow: 0 8px 24px rgba(28, 26, 22, 0.04);
  --radius: 14px;
  --sidebar-w: 248px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
}

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

button {
  cursor: pointer;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
}

.sidebar {
  padding: 20px 14px;
  border-right: 1px solid var(--line);
  background: #fcfcfb;
}

.brand-block,
.sidebar-note,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.brand-block {
  display: grid;
  gap: 2px;
  padding: 14px;
}

.brand-kicker,
.eyebrow {
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-block strong {
  font-size: 16px;
}

.brand-block span,
.sidebar-note p,
.muted,
.camping-meta,
.upload-meta,
.lede {
  color: var(--muted);
}

.sidebar-nav {
  display: grid;
  gap: 4px;
  margin: 14px 0;
}

.nav-link {
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  padding: 10px 12px;
  border-radius: 10px;
}

.nav-link:hover,
.nav-link.is-active {
  background: #f1f1ef;
}

.sidebar-note {
  margin-top: 14px;
  padding: 14px;
}

.sidebar-note strong {
  font-size: 14px;
}

.main-content {
  padding: 20px;
  display: grid;
  gap: 16px;
}

.panel {
  padding: 18px;
  box-shadow: var(--shadow);
}

.hero-panel,
.section-header,
.panel-head,
.hero-actions,
.header-actions,
.inline-actions,
.camping-card-head,
.reference-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

h1 {
  margin-bottom: 8px;
  font-size: 30px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  margin-bottom: 4px;
  font-size: 18px;
  line-height: 1.25;
}

.lede,
.muted,
.camping-meta,
.upload-meta,
.reference-main p,
.metric-card p {
  font-size: 13px;
}

.metrics-grid,
.workflow-grid,
.preview-grid,
.campings-grid {
  display: grid;
  gap: 16px;
}

.metrics-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

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

.metric-card strong {
  display: block;
  margin: 10px 0 6px;
  font-size: 24px;
  font-weight: 700;
}

.metric-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.button {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 12px;
  background: #fff;
  color: var(--text);
}

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

.button-secondary {
  background: #f6f6f4;
}

.field,
.mapping-row {
  display: grid;
  gap: 6px;
}

.field {
  margin-top: 14px;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field span {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}

input[type="text"],
input[type="password"],
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  background: #fff;
  color: var(--text);
}

textarea {
  resize: vertical;
}

.upload-box {
  display: grid;
  gap: 6px;
  min-height: 108px;
  place-items: center;
  text-align: center;
  border: 1px dashed #d7d5cf;
  border-radius: 12px;
  background: var(--panel-soft);
  padding: 16px;
}

.upload-box small {
  color: var(--muted);
  font-size: 12px;
}

.plan-preview,
.map-stage,
.placeholder-plan {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-soft);
}

.plan-preview img,
.map-stage img {
  width: 100%;
  display: block;
}

.placeholder-plan {
  min-height: 180px;
  display: grid;
  place-items: center;
}

.mapping-table,
.module-list,
.reference-list {
  display: grid;
  gap: 8px;
}

.mapping-table {
  max-height: 360px;
  overflow: auto;
}

.mapping-row,
.module-row,
.reference-row {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-soft);
  padding: 10px 12px;
}

.mapping-row {
  grid-template-columns: minmax(0, 1fr) 200px;
  align-items: center;
}

.module-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.module-copy {
  display: grid;
  gap: 4px;
}

.module-copy strong {
  font-size: 14px;
}

.module-copy small {
  color: var(--muted);
  font-size: 12px;
}

.module-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mapping-alerts,
.split-panel {
  color: var(--muted);
}

.split-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.clean-list {
  margin: 0;
  padding-left: 18px;
}

.summary-strip,
.camping-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

.badge-default,
.badge-soft {
  background: #f2f2ef;
  color: var(--muted);
}

.badge-success {
  background: var(--success-soft);
  color: var(--success);
}

.badge-warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.badge-mono {
  background: #23221f;
  color: #fff;
}

.table-wrap {
  margin-top: 12px;
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 12px;
}

th {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 11px;
}

.map-stage {
  min-height: 360px;
}

.map-stage img {
  min-height: 360px;
  object-fit: cover;
}

.map-point {
  position: absolute;
  transform: translate(-50%, -50%);
  border: 0;
  background: transparent;
  padding: 0;
}

.map-point span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  min-height: 28px;
  padding: 4px 8px;
  background: rgba(47, 111, 91, 0.92);
  color: #fff;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
}

.reference-main {
  display: grid;
  gap: 2px;
}

.detail-list {
  display: grid;
  gap: 10px;
}

.detail-list div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-soft);
}

.detail-list strong {
  font-size: 12px;
}

.json-editor {
  min-height: 360px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
}

.device-list {
  display: grid;
  gap: 8px;
}

.device-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-soft);
}

.device-row p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.code-block {
  margin-top: 12px;
  padding: 14px;
  border-radius: 12px;
  background: #1f1f1d;
  color: #f5f5f4;
  max-height: 320px;
  overflow: auto;
}

.code-block pre {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
}

@media (max-width: 1120px) {
  .metrics-grid,
  .workflow-grid,
  .preview-grid,
  .campings-grid,
  .split-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .main-content {
    padding: 14px;
  }

  .hero-panel,
  .section-header,
  .panel-head,
  .hero-actions,
  .header-actions,
  .inline-actions,
  .camping-card-head,
  .reference-row,
  .module-row,
  .device-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .field-row,
  .mapping-row {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 24px;
  }
}