:root {
  --bg-base: #0a0c0f;
  --bg-panel: #11141a;
  --bg-elevated: #171b23;
  --bg-input: #0d1015;
  --border-subtle: #222834;
  --border-strong: #323b4c;
  --text-primary: #eef2f6;
  --text-secondary: #9aa5b8;
  --text-muted: #647084;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
  --accent-crimson: #ef4444;
  --accent-steel: #38bdf8;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', Consolas, monospace;
}

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

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  background: var(--bg-panel);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  padding: 4px 10px 18px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 16px;
}

.brand-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-title {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-primary);
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 6px;
  background: rgba(16, 185, 129, 0.14);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: 3px;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
  font-family: var(--font-mono);
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  overflow-y: auto;
}

.nav-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 9px 11px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s ease;
}

.nav-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.nav-btn.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-strong);
  border-left: 3px solid var(--accent-amber);
}

.nav-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 3px;
  background: rgba(245, 158, 11, 0.16);
  color: var(--accent-amber);
}

.sidebar-footer {
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
}

.metric-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
}

/* Main Content */
.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.command-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  max-width: 720px;
}

.command-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 9px 13px;
  border-radius: 4px;
  font-size: 13px;
  font-family: var(--font-mono);
}

.command-input:focus {
  outline: none;
  border-color: var(--accent-amber);
}

.status-pills {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pill {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
}

.dot.online {
  background: var(--accent-emerald);
}

.dot.warn {
  background: var(--accent-amber);
}

.dot.danger {
  background: var(--accent-crimson);
}

.content {
  padding: 24px 28px 60px;
  max-width: 1400px;
}

.reply-banner {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--accent-amber);
  padding: 12px 16px;
  border-radius: 4px;
  margin-bottom: 20px;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.reply-banner.visible {
  display: flex;
}

.reply-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-amber);
  margin-bottom: 3px;
}

.tab-section {
  display: none;
}

.tab-section.active {
  display: block;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}

.section-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 5px;
  padding: 16px 18px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.form-row {
  margin-bottom: 12px;
}

.form-row label {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
  font-weight: 500;
}

.input,
select,
textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px 10px;
  border-radius: 4px;
  font-size: 13px;
  font-family: var(--font-sans);
}

.input.mono {
  font-family: var(--font-mono);
}

.input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-amber);
}

.form-inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  padding: 7px 13px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.12s ease;
}

.btn:hover {
  background: #222836;
}

.btn-primary {
  background: var(--accent-amber);
  border-color: var(--accent-amber);
  color: #090b0e;
  font-weight: 600;
}

.btn-primary:hover {
  background: #fbbf24;
}

.btn-success {
  background: rgba(16, 185, 129, 0.16);
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.14);
  border-color: var(--accent-crimson);
  color: var(--accent-crimson);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.table th,
.table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
}

.table th {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
}

.tag.ok {
  color: var(--accent-emerald);
  border-color: rgba(16, 185, 129, 0.4);
}

.tag.warn {
  color: var(--accent-amber);
  border-color: rgba(245, 158, 11, 0.4);
}

.tag.crit {
  color: var(--accent-crimson);
  border-color: rgba(239, 68, 68, 0.4);
}

.color-swatch {
  width: 26px;
  height: 26px;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  padding: 0;
  background: none;
  cursor: pointer;
}

.camera-preview {
  width: 100%;
  height: 190px;
  background: #06080b;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  margin-top: 10px;
  overflow: hidden;
  position: relative;
}

.camera-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 920px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    height: auto;
    position: static;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
}