:root {
  --bg-0: #05080f;
  --bg-1: #0a0f1c;
  --bg-2: #0f1729;
  --bg-3: #131e35;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --text: #e6ecf5;
  --text-dim: #94a3b8;
  --text-mute: #64748b;
  --accent: #60a5fa;
  --accent-2: #3b82f6;
  --accent-soft: rgba(96,165,250,0.12);
  --green: #22c55e;
  --green-soft: rgba(34,197,94,0.15);
  --red: #f87171;
  --red-soft: rgba(248,113,113,0.15);
  --amber: #fbbf24;
  --amber-soft: rgba(251,191,36,0.15);
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg-0);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.view { display: none; }
.view.visible { display: flex; }
.hidden { display: none !important; }

#view-login {
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to bottom right, var(--bg-1), #000);
  position: relative;
  overflow: hidden;
}
.glow-bg { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.glow-bg > div {
  position: absolute; top: 50%; left: 50%;
  width: 900px; height: 900px;
  background: radial-gradient(ellipse, rgba(59,130,246,0.10) 0%, transparent 70%);
  animation: glow 20s linear infinite; will-change: transform;
}
@keyframes glow {
  0%   { transform: translate(-50%, -50%) rotate(0deg) scale(1); }
  50%  { transform: translate(-50%, -50%) rotate(180deg) scale(1.2); }
  100% { transform: translate(-50%, -50%) rotate(360deg) scale(1); }
}

.login-container {
  position: relative; z-index: 1;
  width: 100%; max-width: 420px; padding: 24px;
  animation: fadeUp 0.6s ease-out forwards;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.login-brand { text-align: center; margin-bottom: 22px; }
.login-brand h1 {
  font-size: 38px; font-weight: 700; letter-spacing: -0.02em;
  margin: 0; color: white; display: inline-block;
}
.login-warning {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: rgba(248,113,113,0.06);
  border: 1px solid rgba(248,113,113,0.25);
  border-radius: 10px;
  color: var(--red);
  font-size: 11px; line-height: 1.5;
  margin-bottom: 16px;
}

.login-card {
  background: rgba(15,23,42,0.45);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border-strong);
  border-radius: 16px; padding: 26px;
  box-shadow: 0 8px 32px 0 rgba(0,0,0,0.45);
}

.form-group { margin-bottom: 14px; }
.form-group label {
  display: block; font-size: 11px; font-weight: 600;
  color: var(--text-dim); text-transform: uppercase;
  letter-spacing: 0.08em; margin-bottom: 6px;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 11px 14px;
  color: white; font-size: 14px; outline: none;
  transition: all 0.2s; font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--accent); background: rgba(96,165,250,0.05);
}

.login-error { color: var(--red); font-size: 12px; min-height: 16px; margin-bottom: 8px; }

#login-btn, .btn-primary {
  width: 100%; padding: 12px 20px;
  background: linear-gradient(135deg, rgba(59,130,246,0.25), rgba(59,130,246,0.10));
  border: 1px solid rgba(59,130,246,0.4);
  border-radius: 10px;
  color: var(--accent);
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: all 0.2s; font-family: inherit;
}
#login-btn:hover, .btn-primary:hover {
  background: linear-gradient(135deg, rgba(59,130,246,0.35), rgba(59,130,246,0.15));
  border-color: rgba(59,130,246,0.55); transform: translateY(-1px);
}
.btn-primary:disabled { opacity: 0.5; cursor: wait; transform: none; }

.btn-secondary, .btn-ghost {
  padding: 8px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px; cursor: pointer; font-family: inherit;
  transition: all 0.15s;
}
.btn-secondary:hover, .btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); }
.btn-block { width: 100%; }

.btn-danger {
  padding: 8px 14px;
  background: rgba(248,113,113,0.10);
  border: 1px solid rgba(248,113,113,0.30);
  border-radius: 8px; color: var(--red);
  font-size: 13px; cursor: pointer; font-family: inherit;
}
.btn-danger:hover { background: rgba(248,113,113,0.18); }

.login-footer { text-align: center; color: var(--text-mute); font-size: 11px; margin-top: 20px; }

#view-app { min-height: 100vh; width: 100%; background: var(--bg-0); }
.sidebar {
  width: 240px; flex-shrink: 0;
  background: linear-gradient(to bottom, var(--bg-1), var(--bg-0));
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 22px 14px 14px;
  position: sticky; top: 0; height: 100vh;
}
.sidebar-brand {
  padding: 4px 12px 22px;
  font-size: 20px; font-weight: 700; letter-spacing: -0.02em;
  color: white; border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}
.global-search { position: relative; margin-bottom: 12px; }
.global-search input {
  width: 100%; padding: 8px 12px; font-size: 13px;
  background: rgba(0,0,0,0.3); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); outline: none;
  transition: border-color 0.15s;
}
.global-search input:focus { border-color: var(--accent); }
.global-search input::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; }

.search-dropdown {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  max-height: 60vh; overflow: auto;
  background: var(--bg-2); border: 1px solid var(--border-strong);
  border-radius: 10px; z-index: 60;
  box-shadow: 0 14px 30px rgba(0,0,0,0.5);
  display: none;
}
.search-dropdown.visible { display: block; }
.search-dropdown .group-header {
  padding: 8px 12px 4px; font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-mute); font-weight: 600;
  background: rgba(0,0,0,0.3); position: sticky; top: 0;
}
.search-dropdown .result {
  padding: 8px 12px; cursor: pointer; font-size: 13px;
  border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 2px;
}
.search-dropdown .result:hover,
.search-dropdown .result.selected {
  background: var(--accent-soft);
}
.search-dropdown .result-title { color: var(--text); font-weight: 500; }
.search-dropdown .result-meta { font-size: 11px; color: var(--text-mute); font-family: var(--mono); }
.search-dropdown .result-match { color: var(--accent); font-weight: 600; }
.search-dropdown .empty { padding: 14px 12px; color: var(--text-mute); font-size: 12px; text-align: center; }

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 8px;
  color: var(--text-dim); text-decoration: none;
  font-size: 13.5px; font-weight: 500;
  transition: all 0.15s;
}
.sidebar-nav a:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.sidebar-nav a.active { background: var(--accent-soft); color: var(--accent); }
.sidebar-nav a svg { opacity: 0.8; }

.sidebar-foot { border-top: 1px solid var(--border); padding-top: 12px; }
.user-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 4px 12px;
}
.user-avatar {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; font-weight: 600;
  border: 1px solid rgba(96,165,250,0.25);
}
.user-meta { line-height: 1.25; }
.user-name { font-size: 13px; font-weight: 600; color: var(--text); }
.user-role { font-size: 11px; color: var(--text-mute); }

.main { flex: 1; min-width: 0; padding: 28px 36px; }

.page-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 24px; gap: 16px; flex-wrap: wrap; }
.page-header h2 { margin: 0; font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.page-header p { margin: 4px 0 0; color: var(--text-mute); font-size: 13px; }
.page-actions { display: flex; gap: 8px; align-items: center; }

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 28px; }
.kpi {
  background: linear-gradient(to bottom right, var(--bg-2), var(--bg-1));
  border: 1px solid var(--border);
  border-radius: 12px; padding: 16px 18px;
}
.kpi-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-mute); font-weight: 600; }
.kpi-value { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; margin-top: 6px; }
.kpi-value.accent { color: var(--accent); }
.kpi-value.green { color: var(--green); }
.kpi-value.red { color: var(--red); }
.kpi-value.amber { color: var(--amber); }

.card {
  background: linear-gradient(to bottom right, var(--bg-2), var(--bg-1));
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 16px;
}
.card-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-dim);
}
.card-body { padding: 16px 18px; }

table.data { width: 100%; border-collapse: collapse; }
table.data thead th {
  text-align: left; font-weight: 600;
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-mute); padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.2);
}
table.data tbody td { padding: 12px 18px; border-bottom: 1px solid var(--border); font-size: 13.5px; }
table.data tbody tr:last-child td { border-bottom: none; }
table.data tbody tr { transition: background 0.1s; }
table.data tbody tr:hover { background: rgba(255,255,255,0.03); cursor: pointer; }
table.data tbody tr.no-hover { cursor: default; }
table.data tbody tr.no-hover:hover { background: transparent; }
table.data .device-name { font-weight: 600; }
table.data .hostname { color: var(--text-mute); font-family: var(--mono); font-size: 12.5px; }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px; border-radius: 999px;
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.badge.online { background: var(--green-soft); color: var(--green); border: 1px solid rgba(34,197,94,0.3); }
.badge.offline { background: rgba(100,116,139,0.15); color: var(--text-dim); border: 1px solid rgba(100,116,139,0.3); }
.badge.pending { background: var(--amber-soft); color: var(--amber); border: 1px solid rgba(251,191,36,0.3); }
.badge.error { background: var(--red-soft); color: var(--red); border: 1px solid rgba(248,113,113,0.3); }
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.online .dot { box-shadow: 0 0 8px currentColor; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity:1 } 50% { opacity:0.5 } }

.empty {
  padding: 60px 20px; text-align: center;
  color: var(--text-mute);
}
.empty h3 { margin: 12px 0 4px; color: var(--text-dim); font-weight: 500; }
.empty p { margin: 0; font-size: 13px; }

#toast {
  position: fixed; bottom: 20px; right: 20px; z-index: 100;
  display: flex; flex-direction: column; gap: 8px; pointer-events: none;
}
.toast-item {
  background: rgba(15,23,42,0.95); backdrop-filter: blur(12px);
  border: 1px solid var(--border-strong);
  border-radius: 10px; padding: 12px 16px;
  font-size: 13px; color: var(--text);
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
  animation: toastIn 0.2s ease-out;
  max-width: 360px;
}
.toast-item.success { border-color: rgba(34,197,94,0.4); }
.toast-item.error { border-color: rgba(248,113,113,0.4); }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

#modal-root:empty { display: none; }
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
  z-index: 50; display: grid; place-items: center; padding: 20px;
  animation: fadeIn 0.15s ease-out;
}
@keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
.modal {
  width: 100%; max-width: 520px;
  background: var(--bg-2); border: 1px solid var(--border-strong);
  border-radius: 14px; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.modal-header {
  padding: 18px 22px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
}
.modal-header h3 { margin: 0; font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; color: var(--text-mute); cursor: pointer; font-size: 20px; line-height: 1; padding: 0; }
.modal-close:hover { color: var(--text); }
.modal-body { padding: 20px 22px; }
.modal-footer { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; background: rgba(0,0,0,0.2); }

.tag-chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 999px; background: rgba(96,165,250,0.10); color: var(--accent); border: 1px solid rgba(96,165,250,0.3); font-size: 11px; font-weight: 500; margin: 2px 3px 2px 0; }
.tag-chip.removable { padding-right: 4px; }
.tag-chip button { background: transparent; border: none; color: inherit; cursor: pointer; padding: 0 4px; font-size: 14px; line-height: 1; opacity: 0.6; }
.tag-chip button:hover { opacity: 1; }
.tag-chip-add { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 999px; background: rgba(255,255,255,0.04); color: var(--text-mute); border: 1px dashed rgba(255,255,255,0.15); font-size: 11px; cursor: pointer; margin: 2px 3px 2px 0; }
.tag-chip-add:hover { color: var(--accent); border-color: var(--accent); }

.compliance-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 8px; padding: 4px 0; }
.compliance-tile { padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border); background: rgba(0,0,0,0.2); }
.compliance-tile.on { border-color: rgba(34,197,94,0.4); background: rgba(34,197,94,0.06); }
.compliance-tile.off { border-color: rgba(248,113,113,0.4); background: rgba(248,113,113,0.06); }
.compliance-tile.partial { border-color: rgba(251,191,36,0.4); background: rgba(251,191,36,0.06); }
.compliance-tile .label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-mute); font-weight: 600; }
.compliance-tile .value { font-size: 14px; font-weight: 600; margin-top: 4px; }
.compliance-tile.on .value { color: var(--green); }
.compliance-tile.off .value { color: var(--red); }
.compliance-tile.partial .value { color: var(--amber); }

.chart-card { position: relative; }
.chart-card .chart-header { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px 6px; }
.chart-card .chart-header h4 { margin: 0; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); }
.chart-card .chart-meta { font-size: 11px; color: var(--text-mute); font-family: var(--mono); }
.chart-svg { display: block; width: 100%; height: 140px; padding: 0 8px 12px; }
.chart-svg .axis-line { stroke: rgba(255,255,255,0.06); stroke-width: 1; }
.chart-svg .axis-text { fill: var(--text-mute); font-size: 9px; font-family: var(--mono); }
.chart-svg .area { opacity: 0.18; }
.chart-svg .line { fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.chart-svg .area-cpu { fill: var(--accent); }
.chart-svg .line-cpu { stroke: var(--accent); }
.chart-svg .area-ram { fill: #c084fc; }
.chart-svg .line-ram { stroke: #c084fc; }
.chart-svg .area-disk { fill: #34d399; }
.chart-svg .line-disk { stroke: #34d399; }
.chart-svg .area-disk-warn { fill: var(--amber); }
.chart-svg .line-disk-warn { stroke: var(--amber); }
.chart-svg .area-disk-crit { fill: var(--red); }
.chart-svg .line-disk-crit { stroke: var(--red); }
.chart-svg .hover-line { stroke: rgba(255,255,255,0.3); stroke-width: 1; pointer-events: none; }
.chart-svg .hover-dot { fill: var(--accent); stroke: rgba(255,255,255,0.4); stroke-width: 1.5; pointer-events: none; }
.chart-tooltip { position: absolute; background: rgba(15,23,42,0.95); border: 1px solid var(--border-strong); border-radius: 6px; padding: 6px 10px; font-size: 11px; font-family: var(--mono); color: var(--text); pointer-events: none; z-index: 2; backdrop-filter: blur(8px); }
.chart-range { display: inline-flex; gap: 2px; background: rgba(0,0,0,0.3); border: 1px solid var(--border); border-radius: 8px; padding: 2px; }
.chart-range button { background: transparent; border: none; padding: 4px 10px; font-size: 11px; color: var(--text-mute); cursor: pointer; border-radius: 6px; font-family: inherit; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
.chart-range button.active { background: var(--accent-soft); color: var(--accent); }

button.active-tab {
  color: var(--accent) !important;
  border-bottom-color: var(--accent) !important;
  background: transparent !important;
}

.code-block {
  font-family: var(--mono); font-size: 12.5px;
  background: rgba(0,0,0,0.4); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px 14px; margin: 8px 0;
  word-break: break-all; color: var(--accent);
  user-select: all;
}

.device-detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; margin-bottom: 16px; }
.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 8px 0; border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.info-list li:last-child { border-bottom: none; }
.info-list .k { color: var(--text-mute); text-transform: uppercase; font-size: 11px; letter-spacing: 0.06em; font-weight: 600; padding-top: 2px; }
.info-list .v { color: var(--text); text-align: right; font-family: var(--mono); font-size: 12.5px; word-break: break-word; }
.info-list .v.plain { font-family: 'Inter', sans-serif; font-size: 13px; }

.disk-bar { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.disk-bar:last-child { border-bottom: none; }
.disk-letter { font-weight: 700; min-width: 28px; }
.disk-meter { flex: 1; height: 8px; background: rgba(255,255,255,0.06); border-radius: 4px; overflow: hidden; }
.disk-fill { height: 100%; background: linear-gradient(90deg, var(--accent-2), var(--accent)); }
.disk-fill.warn { background: linear-gradient(90deg, #f59e0b, var(--amber)); }
.disk-fill.crit { background: linear-gradient(90deg, #ef4444, var(--red)); }
.disk-meta { color: var(--text-mute); font-family: var(--mono); font-size: 12px; min-width: 130px; text-align: right; }

.toolbar-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.search {
  flex: 1; min-width: 200px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border-strong);
  border-radius: 8px; padding: 8px 12px;
  color: white; font-size: 13px; outline: none;
}
.search:focus { border-color: var(--accent); }

.list-light { list-style: none; padding: 0; margin: 0; max-height: 320px; overflow: auto; }
.list-light li { padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px; display: flex; justify-content: space-between; gap: 12px; }
.list-light li:last-child { border-bottom: none; }
.list-light .meta { color: var(--text-mute); font-family: var(--mono); font-size: 12px; }

.back-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--text-mute); text-decoration: none;
  font-size: 12.5px; margin-bottom: 12px;
}
.back-link:hover { color: var(--accent); }

@media (max-width: 800px) {
  #view-app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: relative; padding: 14px; }
  .sidebar-nav { flex-direction: row; flex-wrap: wrap; }
  .sidebar-foot { display: none; }
  .main { padding: 18px; }
}