:root {
  --bg:          #ffffff;
  --surface:     #ffffff;
  --surface-2:   #f9fafb;
  --border:      rgba(34, 36, 38, 0.15);
  --border-lite: rgba(34, 36, 38, 0.1);
  --ink:         rgba(0, 0, 0, 0.87);
  --muted:       rgba(0, 0, 0, 0.6);
  --accent:      #2185d0;
  --accent-dark: #1678c2;
  --accent-bg:   #dff0ff;
  --crit-border: #e0b4b4;
  --ok-bg:       #fcfff5; --ok-fg:      #2c662d;
  --warn-bg:     #fffaf3; --warn-fg:    #573a08;
  --crit-bg:     #fff6f6; --crit-fg:    #9f3a38;
  --unknown-bg:  #f9fafb; --unknown-fg: rgba(0, 0, 0, 0.5);
  --empty-bg:    #f9fafb; --empty-fg:   rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.5 Lato, "Helvetica Neue", Arial, Helvetica, sans-serif;
}

/* ── Header ──────────────────────────────────────── */

.page-header {
  background: #1b1c1d;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-header h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
}

/* ── Main layout ─────────────────────────────────── */

.header-actions {
  display: flex;
  align-items: center;
}

.header-action {
  display: inline-block;
  text-decoration: none;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.85);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  transition: background 0.1s ease;
}

.header-action:hover {
  background: rgba(255, 255, 255, 0.2);
}

.page-main {
  width: min(1500px, calc(100vw - 48px));
  margin: 28px auto 56px;
}

/* ── Meta-panel and upload — классические карточки ── */

.empty-panel,
.meta-panel,
.notice-panel,
.upload-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 1px 2px 0 rgba(34, 36, 38, 0.15);
  overflow: hidden;
  margin-bottom: 28px;
}

.empty-panel h2,
.meta-panel h2,
.notice-panel h2,
.upload-panel h2 {
  display: block;
  margin: 0;
  padding: 13px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}

.empty-panel p,
.notice-panel p,
.upload-panel p {
  margin: 0;
  padding: 12px 16px 0;
  color: var(--muted);
}

.empty-panel p:last-child {
  padding-bottom: 16px;
}

/* ── Section cards — heading + table, без обёртки ─── */

.section-card {
  background: transparent;
  border: none;
  box-shadow: none;
  overflow: visible;
  margin-bottom: 32px;
}

.section-card h2 {
  display: block;
  margin: 0 0 10px;
  padding: 0;
  background: transparent;
  border: none;
  font-size: 18px;
  font-weight: 700;
  color: rgba(0, 0, 0, 0.87);
}

/* таблица внутри section-card получает свой бордер */
.section-card .table-wrap {
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 1px 2px 0 rgba(34, 36, 38, 0.15);
  overflow-x: auto;
}

.section-card .kv-table {
  border: 1px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 1px 2px 0 rgba(34, 36, 38, 0.15);
}

/* ── Upload ──────────────────────────────────────── */

.upload-panel {
  width: min(520px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.upload-dropzone {
  display: block;
  margin: 12px 16px 0;
  border: 1px dashed var(--border);
  border-radius: 4px;
  padding: 16px;
  background: var(--surface-2);
  cursor: pointer;
  transition: border-color 0.1s ease, background 0.1s ease;
}

.upload-dropzone:hover {
  border-color: var(--accent);
  background: var(--accent-bg);
}

.upload-dropzone input {
  display: block;
  width: 100%;
  margin-bottom: 12px;
  font: inherit;
  color: var(--ink);
}

.upload-eyebrow {
  display: block;
  margin-bottom: 4px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.upload-dropzone strong {
  display: block;
  margin-bottom: 3px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.upload-dropzone span:last-child {
  color: var(--muted);
  font-size: 13px;
}

.upload-actions {
  padding: 12px 16px 16px;
}

.upload-actions button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 8px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.1s ease;
}

.upload-actions button:hover {
  background: var(--accent-dark);
}

.upload-actions button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Error ───────────────────────────────────────── */

.error-box {
  margin: 12px 16px;
  border: 1px solid var(--crit-border);
  border-radius: 4px;
  padding: 10px 14px;
  background: var(--crit-bg);
  color: var(--crit-fg);
}

/* ── Sections grid ───────────────────────────────── */

.sections-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
}

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

/* ── Tables ──────────────────────────────────────── */

.kv-table,
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--surface);
}

.kv-table th,
.kv-table td,
.data-table th,
.data-table td {
  vertical-align: top;
  text-align: left;
  border-top: 1px solid var(--border-lite);
  padding: 11px 14px;
}

.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 {
  background: var(--surface-2);
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
  border-bottom: 1px solid var(--border-lite);
  border-top: 0;
}

.kv-table th {
  width: 1%;
}

.data-table tbody tr:hover {
  background: rgba(0, 0, 0, 0.04);
  transition: background 0.1s ease;
}

/* table-wrap уже получил border в .section-card .table-wrap */
.table-wrap {
  overflow-x: auto;
}

/* для meta-panel table-wrap без дублирования бордера */
.meta-panel .table-wrap {
  border: none;
  box-shadow: none;
  border-radius: 0;
}

.table-group + .table-group {
  border-top: 1px solid var(--border);
}

.table-group h3 {
  margin: 0;
  padding: 9px 14px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border-lite);
}

/* ── Status ──────────────────────────────────────── */

.status-badge {
  display: inline-block;
  font-size: 0;
  white-space: nowrap;
}

.status-badge::before {
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
}

.status-ok::before       { content: '✓'; color: #16ab39; }
.status-warning::before  { content: '!'; color: #f2711c; }
.status-critical::before { content: '✗'; color: #db2828; }
.status-unknown::before  { content: '?'; color: rgba(0, 0, 0, 0.4); }
.status-empty::before    { content: '–'; color: rgba(0, 0, 0, 0.3); }

/* ── Responsive ──────────────────────────────────── */

@media (max-width: 720px) {
  .page-header {
    flex-direction: column;
  }

  .page-main {
    width: calc(100vw - 24px);
    margin-top: 20px;
  }

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

  .page-header {
    padding: 12px 16px;
  }

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