*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface2: #21262d;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #7d8590;
  --accent: #388bfd;
  --green: #3fb950;
  --orange: #f0883e;
  --red: #f85149;
  --grey: #8b949e;
  --panel-width: 420px;
  --radius: 8px;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  overflow: hidden;
}

/* ── Topbar ───────────────────────────────────────────────── */
#topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 44px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  z-index: 10;
  gap: 12px;
}

#topbar-logo {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.3px;
  flex: 1;
}
#topbar-logo span { color: var(--accent); }

#status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--grey);
  transition: background 0.4s;
}
.status-dot.ok       { background: var(--green); box-shadow: 0 0 4px var(--green); }
.status-dot.warning  { background: var(--orange); box-shadow: 0 0 4px var(--orange); }
.status-dot.critical { background: var(--red); box-shadow: 0 0 4px var(--red); animation: pulse-red 1.5s infinite; }
.status-dot.polling  { background: var(--accent); animation: pulse-blue 1s infinite; }

@keyframes pulse-red  { 0%,100% { opacity:1; } 50% { opacity:0.4; } }
@keyframes pulse-blue { 0%,100% { opacity:1; } 50% { opacity:0.3; } }

/* ── Icon buttons (settings, etc.) ────────────────────────── */
.icon-btn {
  width: 30px;
  height: 30px;
  font-size: 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color .15s, border-color .15s, transform .3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: rotate(45deg);
}

/* ── About modal ──────────────────────────────────────────── */
#about-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 420px; max-width: 90vw;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  z-index: 30;
  box-shadow: 0 16px 48px rgba(0,0,0,.6);
}
#about-modal.hidden { display: none; }
#about-body {
  padding: 28px 24px 24px;
  text-align: center;
}
.about-logo {
  font-family: monospace;
  font-size: 26px; font-weight: 800;
  margin-bottom: 4px;
  letter-spacing: -.5px;
}
.about-logo span { color: var(--accent); }
.about-tagline {
  color: var(--muted);
  font-size: 12px;
  margin: 0 0 24px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.about-credits {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  margin: 0;
}

/* ── Tenants storage modal ────────────────────────────────── */
#tenants-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 92vw; max-width: 1100px;
  height: 80vh;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  z-index: 25;
  display: flex; flex-direction: column;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,.6);
}
#tenants-modal.hidden { display: none; }
#tenants-modal .modal-header { gap: 10px; }
#tenants-search {
  flex: 1; max-width: 260px;
  font-size: 12px; padding: 5px 10px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); outline: none;
}
#tenants-search:focus { border-color: var(--accent); }
#tenants-export {
  font-size: 12px; padding: 5px 12px;
  border: 1px solid var(--accent); background: transparent;
  color: var(--accent); border-radius: 6px; cursor: pointer;
  font-weight: 600;
}
#tenants-export:hover { background: #1c3a6b; }
#tenants-table-wrap { flex: 1; overflow: auto; }
#tenants-table { width: 100%; border-collapse: collapse; font-size: 12px; }
#tenants-table thead th {
  position: sticky; top: 0;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  text-align: left;
  padding: 8px 10px;
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); cursor: pointer; user-select: none;
  white-space: nowrap;
}
#tenants-table thead th:hover { color: var(--text); }
#tenants-table thead th.sort-asc::after  { content: ' ↑'; color: var(--accent); }
#tenants-table thead th.sort-desc::after { content: ' ↓'; color: var(--accent); }
#tenants-table tbody td {
  padding: 6px 10px;
  border-bottom: 1px solid rgba(48,54,61,.5);
  font-family: monospace; white-space: nowrap;
}
#tenants-table tbody tr:hover { background: var(--surface2); }
#tenants-table tbody td.num   { text-align: right; }
#tenants-table tbody td.rank  { color: var(--muted); font-weight: 700; width: 30px; }
.tenant-name { font-weight: 700; color: var(--text); }
.tenant-id { font-size: 10px; color: var(--muted); font-family: monospace; }

/* Sparkline column */
.trend-cell {
  width: 130px;
  white-space: nowrap;
}
.tenant-spark {
  display: inline-block;
  width: 80px; height: 22px;
  vertical-align: middle;
}
.trend-delta {
  display: inline-block;
  margin-left: 6px;
  font-size: 11px; font-weight: 700;
  font-family: monospace;
  vertical-align: middle;
}

/* Expandable / clickable rows */
tr.tenant-row { cursor: pointer; }
tr.tenant-row:hover { background: var(--surface2); }
tr.tenant-row.expanded { background: rgba(88,166,255,.06); }
tr.tenant-row.expanded td { border-bottom-color: transparent; }
tr.tenant-expanded-row td {
  padding: 0 !important;
  background: rgba(13,17,23,.6);
}
.tenant-expanded {
  padding: 14px 18px 18px;
  border-bottom: 1px solid var(--border);
}
.te-chart-title {
  display: flex; align-items: center; gap: 12px;
  font-size: 12px; font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.te-range-bar {
  margin-left: auto;
  display: inline-flex; gap: 3px;
}
.te-range-bar button {
  padding: 4px 10px;
  font-family: monospace; font-size: 10px;
  background: var(--bg); color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  text-transform: uppercase;
}
.te-range-bar button:hover { color: var(--text); background: var(--surface2); }
.te-range-bar button.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.te-chart-canvas {
  width: 100%; height: 180px;
  display: block;
  background: var(--bg);
  border-radius: 6px;
  border: 1px solid var(--border);
  cursor: crosshair;
}
.te-buckets-wrap {
  margin-top: 14px;
}
.te-buckets-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.te-buckets-title {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text);
}
.te-buckets-meta {
  font-size: 10px;
  color: var(--muted);
  font-family: monospace;
}
.te-bucket-range-bar {
  margin-left: auto;
  display: inline-flex; gap: 3px;
}
.te-bucket-range-bar button {
  padding: 3px 8px;
  font-family: monospace; font-size: 10px;
  background: var(--bg); color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  text-transform: uppercase;
}
.te-bucket-range-bar button:hover { color: var(--text); }
.te-bucket-range-bar button.active {
  background: var(--accent); color: white;
  border-color: var(--accent);
}
.te-refresh-btn {
  padding: 4px 10px;
  font-family: monospace; font-size: 10px;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 4px; cursor: pointer;
  font-weight: 700;
}
.te-refresh-btn:hover:not(:disabled) {
  background: #1c3a6b;
}
.te-refresh-btn:disabled { opacity: .6; cursor: wait; }

.te-buckets-table {
  width: 100%; border-collapse: collapse;
  font-size: 11px; font-family: monospace;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.te-buckets-table thead th {
  padding: 6px 10px;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted);
  white-space: nowrap;
}
.te-buckets-table thead th.num { text-align: right; }
.te-buckets-table thead th[data-bsort] { cursor: pointer; user-select: none; }
.te-buckets-table thead th[data-bsort]:hover { color: var(--text); }

tr.bucket-row { cursor: pointer; }
tr.bucket-row:hover { background: var(--surface2); }
tr.bucket-row.expanded { background: rgba(188,140,255,.06); }
tr.bucket-row.expanded td { border-bottom-color: transparent; }
tr.bucket-expanded-row td {
  padding: 10px 14px 14px !important;
  background: rgba(13,17,23,.6);
  border-bottom: 1px solid var(--border);
}
.bucket-detail .te-chart-title {
  font-size: 11px;
  color: var(--text);
  margin-bottom: 6px;
}
.te-buckets-table tbody td {
  padding: 5px 10px;
  border-bottom: 1px solid rgba(48,54,61,.4);
  white-space: nowrap;
}
.te-buckets-table tbody tr:last-child td { border-bottom: none; }
.te-buckets-table tbody td.num { text-align: right; }
.te-buckets-table tbody td.bucket-name {
  color: var(--text); font-weight: 600;
  max-width: 280px; overflow: hidden; text-overflow: ellipsis;
}
.bucket-spark {
  display: block;
  width: 100px; height: 20px;
}

/* ── Hardware inventory modal ─────────────────────────────── */
#inventory-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 92vw; max-width: 1200px;
  height: 80vh;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  z-index: 25;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,.6);
}
#inventory-modal.hidden { display: none; }
#inventory-modal .modal-header { gap: 10px; }
#inv-search {
  flex: 1; max-width: 260px;
  font-size: 12px; padding: 5px 10px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); outline: none;
}
#inv-search:focus { border-color: var(--accent); }
#inv-export {
  font-size: 12px; padding: 5px 12px;
  border: 1px solid var(--accent); background: transparent;
  color: var(--accent); border-radius: 6px; cursor: pointer;
  font-weight: 600;
}
#inv-export:hover { background: #1c3a6b; }

#inventory-table-wrap {
  flex: 1;
  overflow: auto;
  padding: 0;
}
#inventory-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
#inventory-table thead th {
  position: sticky; top: 0;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  text-align: left;
  padding: 8px 10px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
#inventory-table thead th:hover { color: var(--text); }
#inventory-table thead th.sort-asc::after  { content: ' ↑'; color: var(--accent); }
#inventory-table thead th.sort-desc::after { content: ' ↓'; color: var(--accent); }
#inventory-table tbody td {
  padding: 6px 10px;
  border-bottom: 1px solid rgba(48,54,61,.5);
  font-family: monospace;
  white-space: nowrap;
}
#inventory-table tbody tr:hover { background: var(--surface2); }
#inventory-table tbody tr.site-rid { border-left: 3px solid #388bfd; }
#inventory-table tbody tr.site-rka { border-left: 3px solid #f0883e; }
#inventory-table tbody tr.site-sc1 { border-left: 3px solid #3fb950; }

/* ── Change password modal ────────────────────────────────── */
#pwd-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  z-index: 25;
  box-shadow: 0 16px 48px rgba(0,0,0,.6);
}
#pwd-modal.hidden { display: none; }

/* ── User menu ────────────────────────────────────────────── */
#user-menu-wrap { position: relative; }
#user-menu-btn {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color .15s, border-color .15s;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#user-menu-btn:hover { color: var(--text); border-color: var(--text); }
#user-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 220px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,.5);
  z-index: 50;
  overflow: hidden;
}
#user-menu.hidden { display: none; }
.user-menu-info {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.user-menu-info > div:first-child { font-size: 13px; font-weight: 600; color: var(--text); }
.user-menu-info > div:last-child  { font-size: 11px; color: var(--muted); margin-top: 2px; text-transform: uppercase; letter-spacing: .06em; }
#user-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 14px;
  font-size: 12px;
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  transition: background .12s;
}
#user-menu button:hover { background: var(--surface2); }
#user-menu-logout:hover { color: var(--red); }

/* ── User management modal ────────────────────────────────── */
#users-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; max-height: 75vh;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  z-index: 25;
  display: flex; flex-direction: column;
  box-shadow: 0 16px 48px rgba(0,0,0,.6);
}
#users-modal.hidden { display: none; }
#users-list {
  flex: 1; overflow-y: auto;
  padding: 0;
}
.user-row {
  display: grid;
  grid-template-columns: 1fr 110px 90px 100px;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.user-row:last-child { border-bottom: none; }
.user-row-email { font-weight: 600; color: var(--text); }
.user-row-email .you { font-size: 10px; color: var(--accent); margin-left: 6px; }
.user-row-meta { font-size: 11px; color: var(--muted); }
.user-row select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 12px;
  padding: 3px 6px;
  border-radius: 5px;
  outline: none;
}
.user-row-actions { display: flex; gap: 6px; justify-content: flex-end; }
.user-row-actions button {
  font-size: 11px; padding: 3px 8px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color .12s, border-color .12s;
}
.user-row-actions button:hover { color: var(--text); border-color: var(--text); }
.user-row-actions button.del:hover { color: var(--red); border-color: var(--red); }
.user-row.inactive .user-row-email { text-decoration: line-through; opacity: .5; }
.users-add {
  border-top: 1px solid var(--border);
  padding: 12px 18px;
}
.users-add-title { font-size: 11px; font-weight: 700; color: var(--muted); text-transform: uppercase; margin-bottom: 8px; letter-spacing: .06em; }
.users-add-row {
  display: grid;
  grid-template-columns: 1fr 1fr 90px 70px;
  gap: 6px;
}
.users-add-row input,
.users-add-row select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  font-size: 12px;
  padding: 6px 8px;
  outline: none;
}
.users-add-row input:focus,
.users-add-row select:focus { border-color: var(--accent); }

/* ── Topbar search ────────────────────────────────────────── */
#search-wrap {
  position: relative;
}
#search-input {
  width: 170px;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 12px;
  outline: none;
  transition: border-color .15s, width .2s;
}
#search-input:focus { border-color: var(--accent); width: 220px; }
#search-input::placeholder { color: var(--muted); }
#search-results {
  position: absolute;
  top: calc(100% + 5px);
  left: 0;
  width: 240px;
  max-height: 300px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0,0,0,.5);
  z-index: 50;
}
#search-results.hidden { display: none; }
.search-item {
  display: flex;
  flex-direction: column;
  padding: 7px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}
.search-item:last-child { border-bottom: none; }
.search-item:hover, .search-item.focused { background: var(--surface2); }
.search-item-name { font-size: 13px; font-weight: 600; }
.search-item-meta { font-size: 11px; color: var(--muted); }
.search-item-health {
  width: 7px; height: 7px; border-radius: 50%;
  display: inline-block; margin-right: 4px; flex-shrink: 0;
}

/* ── Alerts + Cases topbar dropdowns ─────────────────────── */
#alerts-dropdown-wrap,
#cases-dropdown-wrap {
  position: relative;
}
#alerts-dropdown-btn,
#cases-dropdown-btn {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color .15s, border-color .15s;
  display: flex;
  align-items: center;
  gap: 5px;
}
#alerts-dropdown-btn:hover,
#cases-dropdown-btn:hover { color: var(--text); border-color: var(--text); }
#alerts-dropdown-btn.has-alerts { color: var(--red); border-color: var(--red); }
#cases-dropdown-btn.has-cases   { color: var(--orange); border-color: var(--orange); }
#alerts-dropdown-count {
  background: var(--red);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 10px;
  min-width: 16px;
  text-align: center;
}
#cases-dropdown-count {
  background: var(--orange);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 10px;
  min-width: 16px;
  text-align: center;
}
#alerts-dropdown-btn:not(.has-alerts) #alerts-dropdown-count,
#cases-dropdown-btn:not(.has-cases) #cases-dropdown-count {
  background: var(--border);
  color: var(--muted);
}
/* Alerts dropdown — wider, taller, scrollable */
#alerts-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 520px;
  max-height: 65vh;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.6);
  z-index: 50;
}
#alerts-dropdown.hidden { display: none; }

.alerts-dd-header {
  padding: 8px 12px 0;
  flex-shrink: 0;
}
.alerts-dd-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 6px;
}
.alerts-filter-tabs {
  display: flex;
  gap: 2px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.filter-tab {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 5px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all .12s;
}
.filter-tab:hover { color: var(--text); }
.filter-tab.active { background: var(--surface2); border-color: var(--border); color: var(--text); }
.filter-tab.critical.active { color: var(--red);    border-color: var(--red);    background: #3d0d0d22; }
.filter-tab.major.active    { color: var(--orange); border-color: var(--orange); background: #3d240822; }
.filter-tab.minor.active    { color: #e3b341;       border-color: #e3b341;       background: #2d231022; }

#alerts-dd-scroll {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

/* ── Grouped alert entries ────────────────────────────────── */
.alert-group {
  border-bottom: 1px solid rgba(48,54,61,.6);
}
.alert-group:last-child { border-bottom: none; }

.alert-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  cursor: pointer;
  user-select: none;
  transition: background .1s;
}
.alert-group-header:hover { background: var(--surface2); }
.alert-group-sev {
  width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
}
.alert-group-sev.critical { background: var(--red); box-shadow: 0 0 5px var(--red); }
.alert-group-sev.major    { background: var(--orange); }
.alert-group-sev.minor    { background: #e3b341; }
.alert-group-sev.notice   { background: var(--accent); }

.alert-group-name {
  flex: 1; min-width: 0;
  font-size: 12px; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.alert-group-name.acked { color: var(--muted); text-decoration: line-through; }

.alert-group-meta {
  display: flex; align-items: center; gap: 6px; flex-shrink: 0;
}
.alert-group-count {
  font-size: 10px; font-weight: 700;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 10px; padding: 1px 6px; color: var(--muted);
}
.ack-badge {
  font-size: 10px; font-weight: 700;
  color: var(--green); background: #0f3320;
  border: 1px solid #238636; border-radius: 10px;
  padding: 1px 7px;
}
.chevron { font-size: 10px; color: var(--muted); transition: transform .15s; }
details.alert-group[open] .chevron { transform: rotate(90deg); }

/* details/summary handles show/hide natively */
details.alert-group summary { list-style: none; }
details.alert-group summary::-webkit-details-marker { display: none; }

.alert-group-body { padding: 0 12px 10px 27px; }

.alert-node-chips {
  display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px;
}
.alert-node-chip {
  display: inline-flex; align-items: center; gap: 3px;
  font-size: 11px; color: var(--text);
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 5px; padding: 2px 7px;
  cursor: pointer; transition: border-color .12s, color .12s;
  white-space: nowrap;
}
.alert-node-chip:hover { border-color: var(--accent); color: var(--accent); }
.alert-node-chip .chip-dot {
  width: 5px; height: 5px; border-radius: 50%; flex-shrink: 0;
}

.alert-group-actions { display: flex; gap: 8px; align-items: center; }
.btn-ack {
  font-size: 11px; font-weight: 600;
  padding: 4px 12px; border-radius: 5px;
  border: 1px solid #238636; background: #0f3320;
  color: var(--green); cursor: pointer;
  transition: background .12s;
}
.btn-ack:hover { background: #1a4a28; }
.btn-unack {
  font-size: 11px; font-weight: 600;
  padding: 4px 12px; border-radius: 5px;
  border: 1px solid var(--border); background: transparent;
  color: var(--muted); cursor: pointer;
  transition: color .12s, border-color .12s;
}
.btn-unack:hover { color: var(--red); border-color: var(--red); }
.ack-info { font-size: 10px; color: var(--muted); }

/* Compact single-line alert row */
.alert-row {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  border-bottom: 1px solid rgba(48,54,61,.5);
  cursor: pointer;
  transition: background .1s;
  min-width: 0;
}
.alert-row:hover { background: var(--surface2); }
.alert-row:last-child { border-bottom: none; }
.alert-row-num { font-size: 10px; color: var(--muted); width: 24px; flex-shrink: 0; text-align: right; }
.alert-row-sev {
  width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0;
}
.alert-row-sev.critical { background: var(--red); box-shadow: 0 0 4px var(--red); }
.alert-row-sev.major    { background: var(--orange); }
.alert-row-sev.minor    { background: #e3b341; }
.alert-row-sev.notice   { background: var(--accent); }
.alert-row-node { font-size: 11px; font-weight: 700; color: var(--text); white-space: nowrap; flex-shrink: 0; width: 80px; overflow: hidden; text-overflow: ellipsis; }
.alert-row-name { font-size: 11px; color: var(--muted); flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.alert-row-site { font-size: 10px; color: var(--muted); white-space: nowrap; flex-shrink: 0; width: 32px; text-align: right; }

/* Cases dropdown — unchanged width */
#cases-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 320px;
  max-height: 420px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  z-index: 50;
}
#cases-dropdown.hidden { display: none; }
.dd-case-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background .12s;
}
.dd-case-item:last-child { border-bottom: none; }
.dd-case-item:hover { background: var(--surface2); }
.dd-case-row1 { display: flex; align-items: center; gap: 6px; }
.dd-case-num {
  font-size: 10px; font-weight: 700;
  color: var(--muted); flex-shrink: 0;
  min-width: 22px;
}
.dd-case-ref {
  font-size: 10px; font-weight: 700;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 4px; padding: 1px 5px;
  color: var(--accent); flex-shrink: 0;
}
.dd-case-title { font-size: 12px; font-weight: 600; flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dd-case-meta { font-size: 11px; color: var(--muted); display: flex; gap: 8px; }
.dd-case-node { color: var(--text); }
.dd-empty { padding: 14px; font-size: 12px; color: var(--muted); text-align: center; }

#layout-switcher { display: flex; }
#layout-select {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 24px 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%237d8590' stroke-width='1.5' fill='none' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 8px center;
  transition: border-color .15s;
}
#layout-select:hover, #layout-select:focus { border-color: var(--accent); }
#layout-select option { background: var(--surface); color: var(--text); }

#topbar-stats {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--muted);
}
.stat-item { display: flex; gap: 4px; }
.stat-item .val { color: var(--text); font-weight: 600; }
.stat-item .val.red { color: var(--red); }
.stat-item .val.orange { color: var(--orange); }

/* ── Graph ────────────────────────────────────────────────── */
#graph-container {
  position: fixed;
  top: 44px; left: 320px; right: 0; bottom: 0;
  z-index: 0;
  transition: left .25s ease;
}
body.charts-collapsed #graph-container { left: 0; }

/* ── Charts panel (left side) ─────────────────────────────── */
#charts-panel {
  position: fixed;
  top: 44px; left: 0; bottom: 0;
  width: 320px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  z-index: 5;
  display: flex; flex-direction: column;
  transition: transform .25s ease;
}
body.charts-collapsed #charts-panel { transform: translateX(-100%); }

#charts-panel-header {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--text);
}
#charts-panel-header > span:first-child { flex: 1; }
#charts-toggle {
  background: transparent; border: 1px solid var(--border);
  color: var(--text); cursor: pointer;
  width: 22px; height: 22px;
  border-radius: 4px; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
}
#charts-toggle:hover { background: var(--bg); }

#charts-show {
  position: fixed;
  top: 50%; left: 0;
  transform: translateY(-50%);
  width: 22px; height: 60px;
  background: var(--surface2);
  border: 1px solid var(--border); border-left: none;
  color: var(--text); cursor: pointer;
  border-radius: 0 6px 6px 0;
  z-index: 6;
  display: none;
  font-size: 14px;
}
body.charts-collapsed #charts-show { display: block; }
#charts-show:hover { background: var(--accent); color: white; }

#charts-range-bar {
  display: flex; gap: 2px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
#charts-range-bar button {
  flex: 1;
  padding: 5px 0;
  font-size: 10px; font-weight: 700;
  font-family: monospace;
  background: var(--bg);
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: .04em;
  transition: background .15s, color .15s;
}
#charts-range-bar button:hover { color: var(--text); background: var(--surface2); }
#charts-range-bar button.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

#chart-tooltip {
  position: fixed;
  pointer-events: none;
  z-index: 100;
  background: rgba(13, 17, 23, .96);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  font-family: monospace;
  font-size: 10px;
  color: var(--text);
  box-shadow: 0 4px 12px rgba(0,0,0,.5);
  min-width: 140px;
  max-width: 240px;
}
#chart-tooltip.hidden { display: none; }
#chart-tooltip .tt-time {
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 4px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
  font-size: 10px;
}
#chart-tooltip .tt-row {
  display: flex; justify-content: space-between; gap: 12px;
  align-items: center;
  padding: 1px 0;
}
#chart-tooltip .tt-row .tt-label {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--muted);
}
#chart-tooltip .tt-row .tt-label::before {
  content: ''; width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--series-color, var(--accent));
}
#chart-tooltip .tt-row .tt-val {
  font-weight: 700;
  color: var(--text);
}

#charts-panel-body {
  flex: 1; overflow-y: auto;
  padding: 8px 10px;
  position: relative;
}
.chart-section {
  margin-bottom: 16px;
}
.chart-title {
  display: flex; align-items: baseline; gap: 8px;
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: 4px;
}
.chart-now {
  flex: 1; text-align: right;
  font-family: monospace; font-weight: 700;
  color: var(--text);
  text-transform: none; letter-spacing: 0;
  font-size: 11px;
}
.chart-canvas {
  width: 100%; height: 90px;
  display: block;
  background: var(--bg);
  border-radius: 4px;
  border: 1px solid rgba(48,54,61,.5);
  cursor: crosshair;
}
.chart-legend {
  display: flex; flex-wrap: wrap; gap: 8px 12px;
  margin-top: 4px;
  font-size: 10px;
  font-family: monospace;
}
.chart-legend .lg {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--muted);
}
.chart-legend .lg::before {
  content: ''; width: 10px; height: 2px;
  background: var(--series-color, var(--accent));
  border-radius: 1px;
}

/* ── Panel ────────────────────────────────────────────────── */
#node-panel {
  position: fixed;
  top: 0; right: 0;
  width: var(--panel-width);
  height: 100vh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 10;
  transform: translateX(100%);
  transition: transform 0.22s ease;
}
#node-panel.open { transform: translateX(0); }

.panel-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.panel-header-info { flex: 1; min-width: 0; }
#panel-node-name {
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#panel-node-meta {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}
#panel-node-ip {
  font-size: 11px;
  color: var(--accent);
  margin-top: 4px;
  font-family: monospace;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
#panel-node-ip .copyable {
  cursor: pointer;
  border-bottom: 1px dotted var(--border);
}
#panel-node-ip .copyable:hover { color: var(--accent-hover); border-bottom-color: var(--accent); }
.health-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 2px 8px;
  border-radius: 12px;
  flex-shrink: 0;
}
.health-badge.ok       { background: #0f3320; color: var(--green); }
.health-badge.warning  { background: #3d2408; color: var(--orange); }
.health-badge.critical { background: #3d0d0d; color: var(--red); }
.health-badge.unknown  { background: #21262d; color: var(--grey); }

#panel-close {
  background: none; border: none;
  color: var(--muted); cursor: pointer;
  font-size: 18px; padding: 0 2px; line-height: 1;
  flex-shrink: 0;
}
#panel-close:hover { color: var(--text); }

#panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

/* ── Panel sections ───────────────────────────────────────── */
.panel-section {
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
}
.panel-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: 8px;
}

/* Services list */
.service-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-size: 13px;
}
.service-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.service-dot.ok       { background: var(--green); }
.service-dot.warning  { background: var(--orange); }
.service-dot.critical { background: var(--red); }
.service-dot.unknown  { background: var(--grey); }
.service-name { flex: 1; }
.service-health { font-size: 11px; color: var(--muted); }

/* Cases */
.case-item {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin-bottom: 6px;
}
.case-item.open  { border-left: 3px solid var(--orange); }
.case-item.closed { border-left: 3px solid var(--border); opacity: 0.7; }
.case-header { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.case-ref {
  font-size: 11px; font-weight: 700;
  background: #21262d; border: 1px solid var(--border);
  border-radius: 4px; padding: 1px 6px;
  color: var(--accent); flex-shrink: 0;
}
.case-title { font-size: 13px; font-weight: 600; flex: 1; min-width: 0; }
.case-date  { font-size: 11px; color: var(--muted); }
.case-desc  { font-size: 12px; color: var(--muted); margin-top: 4px; }
.case-notes { font-size: 12px; color: var(--muted); margin-top: 4px; font-style: italic; }
.case-actions { display: flex; gap: 6px; margin-top: 8px; }
.case-actions button {
  font-size: 11px; padding: 3px 8px;
  border-radius: 5px; border: 1px solid var(--border);
  background: transparent; color: var(--muted);
  cursor: pointer; transition: color .15s, border-color .15s;
}
.case-actions button:hover { color: var(--text); border-color: var(--text); }
.case-actions button.close-btn:hover { color: var(--green); border-color: var(--green); }
.case-actions button.del-btn:hover   { color: var(--red); border-color: var(--red); }

.history-toggle {
  font-size: 12px; color: var(--accent);
  background: none; border: none;
  cursor: pointer; padding: 4px 0;
  display: block;
}
.history-toggle:hover { text-decoration: underline; }

/* New case form */
#new-case-form {
  margin-top: 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
}
.form-row { margin-bottom: 8px; }
.form-row label { display: block; font-size: 11px; color: var(--muted); margin-bottom: 3px; }
.form-row input,
.form-row textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  padding: 6px 8px;
  outline: none;
  resize: vertical;
}
.form-row input:focus,
.form-row textarea:focus { border-color: var(--accent); }
.form-actions { display: flex; gap: 6px; margin-top: 8px; }
.btn-primary {
  padding: 6px 14px; border-radius: var(--radius);
  background: var(--accent); border: none;
  color: #fff; font-size: 12px; font-weight: 600;
  cursor: pointer; transition: opacity .15s;
}
.btn-primary:hover { opacity: 0.85; }
.btn-secondary {
  padding: 6px 14px; border-radius: var(--radius);
  background: transparent; border: 1px solid var(--border);
  color: var(--muted); font-size: 12px;
  cursor: pointer;
}
.btn-secondary:hover { color: var(--text); border-color: var(--text); }
/* ── Case notes timeline ──────────────────────────────────── */
.case-notes-section {
  margin-top: 8px;
  border-top: 1px solid var(--border);
  padding-top: 6px;
}
.case-notes-toggle {
  font-size: 11px; color: var(--accent);
  background: none; border: none; cursor: pointer;
  padding: 2px 0; display: flex; align-items: center; gap: 4px;
}
.case-notes-toggle:hover { text-decoration: underline; }
.case-notes-list { margin-top: 6px; }
.case-note-item {
  display: flex; gap: 8px;
  padding: 5px 0;
  border-bottom: 1px solid rgba(48,54,61,.4);
  font-size: 12px;
}
.case-note-item:last-child { border-bottom: none; }
.case-note-meta {
  flex-shrink: 0; text-align: right; min-width: 70px;
  font-size: 10px; color: var(--muted); line-height: 1.6;
}
.case-note-author { font-weight: 700; color: var(--text); }
.case-note-content { flex: 1; color: var(--text); line-height: 1.5; white-space: pre-wrap; word-break: break-word; }
.case-note-del {
  flex-shrink: 0; background: none; border: none;
  color: var(--muted); cursor: pointer; font-size: 13px;
  opacity: 0; transition: opacity .15s;
}
.case-note-item:hover .case-note-del { opacity: 1; }
.case-note-del:hover { color: var(--red); }

.case-add-note {
  display: flex; gap: 6px; margin-top: 6px;
}
.case-add-note textarea {
  flex: 1; background: var(--bg);
  border: 1px solid var(--border); border-radius: 6px;
  color: var(--text); font-size: 12px;
  padding: 5px 8px; resize: none; outline: none;
  min-height: 36px; max-height: 100px;
  font-family: inherit;
}
.case-add-note textarea:focus { border-color: var(--accent); }
.case-add-note button {
  flex-shrink: 0; padding: 5px 10px;
  border-radius: 6px; border: 1px solid var(--accent);
  background: transparent; color: var(--accent);
  font-size: 11px; font-weight: 600; cursor: pointer;
  align-self: flex-end;
}
.case-add-note button:hover { background: #1c3a6b; }

.btn-add-case {
  font-size: 12px; padding: 5px 12px;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  background: transparent; color: var(--muted);
  cursor: pointer; width: 100%; margin-top: 4px;
  transition: color .15s, border-color .15s;
}
.btn-add-case:hover { color: var(--accent); border-color: var(--accent); }

/* ── Alert modal ──────────────────────────────────────────── */
#alert-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 480px;
  max-height: 70vh;
  background: var(--surface);
  border: 1px solid var(--red);
  border-radius: 12px;
  z-index: 20;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,.7), 0 0 24px rgba(248,81,73,.12);
}
#alert-modal.hidden { display: none; }

.modal-header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.modal-header-title { flex: 1; font-size: 15px; font-weight: 700; }
.modal-header button {
  background: none; border: none;
  color: var(--muted); cursor: pointer;
  font-size: 18px; line-height: 1; padding: 0 2px;
}
.modal-header button:hover { color: var(--text); }

#alert-list {
  flex: 1; overflow-y: auto;
  padding: 12px 18px;
  display: flex; flex-direction: column; gap: 8px;
}
.alert-item {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
}
.alert-item.critical { border-left: 3px solid var(--red); }
.alert-item.major    { border-left: 3px solid var(--orange); }
.alert-item.minor    { border-left: 3px solid #e3b341; }
.alert-item.notice   { border-left: 3px solid var(--accent); }
.alert-name { font-size: 13px; font-weight: 600; margin-bottom: 3px; }
.alert-sev  { font-size: 10px; font-weight: 700; text-transform: uppercase; padding: 1px 6px; border-radius: 10px; margin-right: 6px; }
.alert-sev.critical { background: #3d0d0d; color: var(--red); }
.alert-sev.major    { background: #3d2408; color: var(--orange); }
.alert-sev.minor    { background: #2d2310; color: #e3b341; }
.alert-sev.notice   { background: #1c3a6b; color: var(--accent); }
.alert-summary { font-size: 12px; color: var(--muted); margin-top: 4px; line-height: 1.5; }
.alert-time   { font-size: 11px; color: var(--muted); margin-top: 4px; }

.modal-footer {
  display: flex; justify-content: flex-end;
  padding: 10px 18px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* ── Overlay ──────────────────────────────────────────────── */
#overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 15; display: none;
}
#overlay.active { display: block; }

/* ── Toast ────────────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 20px; left: 50%;
  transform: translateX(-50%);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 9px 18px;
  font-size: 13px;
  z-index: 30;
  opacity: 0; transition: opacity .3s;
  pointer-events: none;
}
#toast.show { opacity: 1; }

/* ── Scrollbars ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.empty-msg { font-size: 12px; color: var(--muted); padding: 6px 0; }

/* ── Hardware info ────────────────────────────────────────── */
.hw-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  font-size: 12px;
  padding: 3px 0;
  gap: 8px;
}
.hw-row .label { color: var(--muted); font-size: 11px; }
.hw-row .value { color: var(--text); font-family: monospace; word-break: break-all; }
.hw-model {
  display: inline-block;
  font-weight: 700;
  font-size: 12px;
  background: var(--surface2);
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 5px;
  padding: 2px 8px;
}

/* ── Panel inline alerts ──────────────────────────────────── */
#section-alerts { border-left: 3px solid var(--red); }
.panel-alert-item {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}
.panel-alert-item:last-child { border-bottom: none; }
.panel-alert-name { font-weight: 600; margin-bottom: 2px; display: flex; align-items: center; gap: 6px; }
.panel-alert-summary { color: var(--muted); line-height: 1.4; margin-bottom: 3px; }
.panel-alert-actions { color: var(--text); line-height: 1.4; margin-bottom: 3px; }
.panel-alert-time { color: var(--muted); font-size: 11px; }
.panel-alert-item.acked { opacity: 0.6; }
.panel-alert-item.acked .panel-alert-name { text-decoration: line-through; color: var(--muted); }