:root {
  --bg: #f4f1ea;
  --panel: #fffdf9;
  --border: #d8d0c3;
  --ink: #26231e;
  --muted: #6a6258;
  --accent: #8f3b2e;
  --ok-bg: #d8f1df;
  --ok-fg: #1f6a32;
  --warn-bg: #fff0bf;
  --warn-fg: #8a6200;
  --crit-bg: #ffd7d2;
  --crit-fg: #9a2419;
  --unknown-bg: #e3e5e8;
  --unknown-fg: #4f5965;
  --empty-bg: #ece7de;
  --empty-fg: #72675b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, #efe1cf 0, transparent 30%),
    linear-gradient(180deg, #f8f4ed 0%, var(--bg) 100%);
  color: var(--ink);
  font: 14px/1.45 "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
}

.page-header {
  padding: 24px 28px 18px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.page-header h1 {
  margin: 0;
  font-size: 32px;
  line-height: 1.1;
}

.page-header p {
  margin: 6px 0 0;
  color: var(--muted);
}

.page-main {
  width: min(1500px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 20px 0 32px;
}

.empty-panel,
.meta-panel,
.section-card,
.upload-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(78, 54, 26, 0.05);
  padding: 18px;
  margin-bottom: 16px;
}

.empty-panel h2,
.section-card h2,
.meta-panel h2,
.upload-panel h2 {
  display: block;
  margin: 0 0 12px;
  font-size: 18px;
}

.empty-panel p,
.upload-panel p {
  margin: 0;
  color: var(--muted);
}

.upload-panel {
  width: min(680px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.upload-dropzone {
  display: block;
  margin-top: 16px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 18px;
  background: #faf6ef;
}

.upload-dropzone input {
  display: block;
  width: 100%;
  margin-bottom: 12px;
}

.upload-eyebrow {
  display: block;
  margin-bottom: 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.upload-dropzone strong {
  display: block;
  margin-bottom: 4px;
  font-size: 18px;
}

.upload-actions {
  margin-top: 14px;
}

.upload-actions button {
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.error-box {
  margin-bottom: 16px;
  border: 1px solid var(--crit-fg);
  border-radius: 10px;
  padding: 12px;
  background: var(--crit-bg);
  color: var(--crit-fg);
}

.section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}

.section-nav a {
  text-decoration: none;
  color: var(--accent);
  background: rgba(143, 59, 46, 0.08);
  padding: 7px 11px;
  border-radius: 999px;
}

.sections-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.section-card {
  margin-bottom: 0;
}

.section-card-half {
  grid-column: span 1;
}

.section-card-full {
  grid-column: 1 / -1;
}

.kv-table,
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.kv-table th,
.kv-table td,
.data-table th,
.data-table td {
  vertical-align: top;
  text-align: left;
  border-top: 1px solid var(--border);
  padding: 10px 8px;
}

.kv-table tr:first-child th,
.kv-table tr:first-child td,
.data-table tr:first-child th,
.data-table tr:first-child td {
  border-top: 0;
}

.kv-table th,
.data-table th {
  color: var(--muted);
  font-weight: 700;
}

.table-wrap {
  overflow-x: auto;
}

.table-group + .table-group {
  margin-top: 18px;
}

.table-group h3 {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.data-table thead th {
  position: sticky;
  top: 0;
  background: #f7f1e7;
}

.status-badge {
  display: inline-block;
  border-radius: 999px;
  padding: 3px 9px;
  font-weight: 700;
  white-space: nowrap;
}

.status-ok {
  background: var(--ok-bg);
  color: var(--ok-fg);
}

.status-warning {
  background: var(--warn-bg);
  color: var(--warn-fg);
}

.status-critical {
  background: var(--crit-bg);
  color: var(--crit-fg);
}

.status-unknown {
  background: var(--unknown-bg);
  color: var(--unknown-fg);
}

.status-empty {
  background: var(--empty-bg);
  color: var(--empty-fg);
}

@media (max-width: 720px) {
  .page-main {
    width: min(100vw - 20px, 1500px);
  }

  .sections-grid {
    grid-template-columns: 1fr;
  }

  .page-header {
    padding: 18px 14px 14px;
  }

  .page-header h1 {
    font-size: 26px;
  }

  .empty-panel,
  .meta-panel,
  .section-card,
  .upload-panel {
    padding: 14px;
  }

  .section-card-half,
  .section-card-full {
    grid-column: auto;
  }
}