:root {
  --bg: #f3f6fa;
  --card: #ffffff;
  --text: #172033;
  --muted: #68758a;
  --line: #d9e0ea;
  --dark: #101827;
  --accent: #2563eb;
  --accent-dark: #1e40af;
  --danger: #dc2626;
  --success: #059669;
  --rack-row: 22px;
  --server-bg: #dbeafe;
  --server-border: #1e40af;
  --storage-bg: #dcfce7;
  --storage-border: #15803d;
  --network-bg: #fef3c7;
  --network-border: #b45309;
  --power-off-bg: #374151;
  --power-off-border: #111827;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.hidden {
  display: none !important;
}

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  background: linear-gradient(145deg, #0f172a, #1e3a8a);
}

.auth-card {
  width: min(430px, 100%);
  background: #fff;
  border-radius: 18px;
  padding: 26px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .28);
}

.auth-card h1 {
  margin: 0 0 6px;
  font-size: 24px;
}

.auth-desc,
.hint {
  color: var(--muted);
  font-size: 13px;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #eef2f7;
  border-radius: 12px;
  padding: 4px;
  margin: 16px 0;
}

.auth-tab {
  border: 0;
  border-radius: 9px;
  padding: 9px;
  background: transparent;
  font-weight: 900;
  cursor: pointer;
  color: var(--muted);
}

.auth-tab.active {
  background: #fff;
  color: var(--text);
  box-shadow: 0 2px 8px rgba(15, 23, 42, .08);
}

.auth-form {
  display: grid;
  gap: 9px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--dark);
  color: #fff;
  padding: 12px 18px;
  display: grid;
  grid-template-columns: minmax(210px, auto) 1fr auto;
  gap: 14px;
  align-items: center;
  box-shadow: 0 4px 18px rgba(15, 23, 42, .22);
}

.brand h1 {
  margin: 0;
  font-size: 19px;
}

.brand p {
  margin: 4px 0 0;
  color: #cbd5e1;
  font-size: 12px;
}

.main-menu {
  display: flex;
  gap: 8px;
  align-items: center;
}

.menu-btn {
  position: relative;
  min-height: 36px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  color: #dbeafe;
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 900;
  cursor: pointer;
}

.menu-btn.active {
  background: #ffffff;
  color: #0f172a;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 19px;
  height: 19px;
  padding: 0 6px;
  margin-left: 6px;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  font-size: 11px;
  font-weight: 950;
}

.top-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.user-badge {
  color: #dbeafe;
  font-size: 12px;
  font-weight: 800;
  padding: 7px 9px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
}

.layout {
  padding: 16px;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 3px 12px rgba(15, 23, 42, .06);
  padding: 14px;
  margin-bottom: 14px;
}

.add-rack,
.csv-panel,
.search-panel {
  display: flex;
  align-items: end;
  gap: 12px;
  flex-wrap: wrap;
}

.csv-panel,
.search-panel {
  justify-content: space-between;
  align-items: center;
}

.csv-panel h2,
.search-panel h2,
.admin-panel h2 {
  margin: 0 0 5px;
  font-size: 16px;
}

.csv-panel p,
.search-panel p,
.admin-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.csv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.csv-help {
  width: 100%;
  color: var(--muted);
  font-size: 12px;
}

.search-box {
  display: flex;
  gap: 8px;
  align-items: center;
  min-width: min(560px, 100%);
}

.search-box input {
  min-width: 320px;
}

.search-result-wrap {
  width: 100%;
}

.search-table {
  width: 100%;
  margin-top: 12px;
  border-collapse: collapse;
  font-size: 12px;
}

.search-table th,
.search-table td {
  border-top: 1px solid var(--line);
  padding: 7px 6px;
  text-align: left;
}

.search-empty {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.legend {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.legend-dot {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  display: inline-block;
  border: 1px solid var(--line);
}

.legend-server { background: var(--server-bg); border-color: var(--server-border); }
.legend-storage { background: var(--storage-bg); border-color: var(--storage-border); }
.legend-network { background: var(--network-bg); border-color: var(--network-border); }

code {
  background: #eef2f7;
  padding: 2px 5px;
  border-radius: 5px;
}

.file-label {
  min-height: 36px;
  border-radius: 9px;
  padding: 8px 12px;
  background: #e5e7eb;
  color: #172033;
  border: 1px solid #cbd5e1;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
}

.file-label input {
  display: none;
}

label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 5px;
  font-weight: 700;
}

input,
select {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--text);
  background: #fff;
}

.inline-input {
  display: flex;
  align-items: center;
  gap: 6px;
}

.inline-input input {
  width: 90px;
}

.inline-input span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.btn {
  min-height: 36px;
  border: 0;
  border-radius: 9px;
  padding: 8px 12px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
}

.btn.full {
  width: 100%;
}

.btn:hover {
  filter: brightness(.96);
}

.btn:disabled {
  opacity: .55;
  cursor: not-allowed;
}

.btn-danger {
  background: var(--danger);
}

.btn-success {
  background: var(--success);
}

.btn-secondary {
  background: #475569;
}

.btn-ghost {
  background: #e5e7eb;
  color: #172033;
  border: 1px solid #cbd5e1;
}

.message {
  min-height: 20px;
  font-size: 13px;
  font-weight: 800;
  white-space: pre-line;
}

.message.ok {
  color: var(--success);
}

.message.error {
  color: var(--danger);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.summary-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 3px 12px rgba(15, 23, 42, .06);
}

.summary-card span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  font-weight: 800;
}

.summary-card strong {
  display: block;
  margin-top: 4px;
  font-size: 22px;
}

.panel-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.rack-wrap {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  align-items: flex-start;
  padding-bottom: 14px;
}

.rack-card {
  min-width: 720px;
  max-width: 720px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 3px 12px rgba(15, 23, 42, .06);
  padding: 12px;
}

.rack-head {
  display: grid;
  grid-template-columns: 1fr 82px auto auto auto;
  gap: 8px;
  align-items: end;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.rack-metrics {
  margin: 10px 0;
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.progress {
  margin-top: 7px;
  width: 100%;
  height: 8px;
  background: #e5eaf1;
  border-radius: 999px;
  overflow: hidden;
}

.progress > div {
  height: 100%;
  background: var(--accent);
}

.rack-visual {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 6px;
  margin-bottom: 10px;
  overflow: visible;
  max-height: none;
}

.u-labels,
.equip-grid {
  display: grid;
  grid-auto-rows: var(--rack-row);
}

.u-label {
  border: 1px solid var(--line);
  background: #f8fafc;
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1px;
  border-radius: 4px;
}

.equip-grid {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 9px;
  background:
    repeating-linear-gradient(
      to bottom,
      #ffffff 0,
      #ffffff calc(var(--rack-row) - 1px),
      #eef2f7 calc(var(--rack-row) - 1px),
      #eef2f7 var(--rack-row)
    );
  overflow: hidden;
}

.server-block {
  margin: 2px 5px;
  border: 1px solid var(--server-border);
  border-radius: 7px;
  background: var(--server-bg);
  color: #172554;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 900;
  line-height: 1.15;
  overflow: hidden;
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
}

.server-block.device-server {
  background: var(--server-bg);
  border-color: var(--server-border);
}

.server-block.device-storage {
  background: var(--storage-bg);
  border-color: var(--storage-border);
  color: #052e16;
}

.server-block.device-network {
  background: var(--network-bg);
  border-color: var(--network-border);
  color: #451a03;
}

.server-block.search-dim {
  opacity: .22;
}

.server-block.search-hit {
  outline: 2px solid #ef4444;
  outline-offset: -2px;
  opacity: 1;
}

.server-line {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.server-line strong,
.server-line span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.server-line strong {
  flex: 1.3 1 110px;
}

.server-line span {
  flex: 1 1 88px;
  color: inherit;
  opacity: .82;
  font-size: 12px;
  font-weight: 850;
}

.server-form {
  display: grid;
  grid-template-columns: 1.1fr .65fr .55fr .55fr;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.server-form .wide {
  grid-column: span 4;
}

.server-form .two {
  grid-column: span 2;
}

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

.server-table,
.user-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 12px;
}

.server-table th,
.server-table td,
.user-table th,
.user-table td {
  border-top: 1px solid var(--line);
  padding: 7px 4px;
  vertical-align: top;
  text-align: left;
}

.server-table th,
.user-table th {
  color: var(--muted);
  font-weight: 900;
}

.server-table input,
.server-table select,
.user-table select {
  min-height: 30px;
  padding: 5px 6px;
  font-size: 12px;
  min-width: 72px;
}

.server-table .action-cell,
.user-table .action-cell {
  min-width: 86px;
}

.server-table .btn,
.user-table .btn {
  min-height: 29px;
  padding: 5px 7px;
  font-size: 12px;
  margin-bottom: 4px;
}

.empty {
  width: 100%;
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: 14px;
  padding: 34px;
  text-align: center;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.empty strong {
  color: var(--text);
}

@media (max-width: 980px) {
  .topbar {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .top-actions {
    justify-content: flex-start;
  }

  .summary-grid {
    grid-template-columns: repeat(2, minmax(130px, 1fr));
  }

  .rack-card {
    min-width: 430px;
    max-width: 430px;
  }

  .rack-head {
    grid-template-columns: 1fr 76px;
  }

  .rack-head .btn {
    width: 100%;
  }

  .server-form {
    grid-template-columns: 1fr 1fr;
  }

  .server-form .wide,
  .server-form .two {
    grid-column: span 2;
  }

  .search-box {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box input {
    min-width: 0;
  }
}


.rack-edit-panel {
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}



.server-block.power-off {
  background: var(--power-off-bg) !important;
  border-color: var(--power-off-border) !important;
  color: #ffffff !important;
}

.server-block.power-off .server-line span {
  color: #ffffff;
  opacity: .92;
}

.server-block.power-off.search-hit {
  outline-color: #f87171;
}

.power-switch {
  flex: 0 0 auto;
  position: relative;
  width: 46px;
  height: 18px;
  border: 0;
  border-radius: 999px;
  padding: 0;
  cursor: pointer;
  background: rgba(15, 23, 42, .22);
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, .16);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 8px;
}

.power-switch.is-on {
  background: #16a34a;
}

.power-switch.is-off {
  background: #111827;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .22);
}

.power-knob {
  position: absolute;
  left: 3px;
  top: 2px;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .28);
  transition: transform .16s ease;
}

.power-switch.is-on .power-knob {
  transform: translateX(26px);
}

.power-text {
  position: relative;
  z-index: 1;
  font-size: 8px;
  font-weight: 950;
  color: #ffffff;
  letter-spacing: .02em;
  margin-left: -8px;
}

.power-switch.is-on .power-text {
  margin-left: -12px;
}

.power-switch.is-off .power-text {
  margin-left: 12px;
}

.server-line {
  flex: 1 1 auto;
}