:root {
  --k8s-blue: #326CE5;
  --k8s-blue-dim: #1a3f8f;
  --k8s-blue-glow: rgba(50, 108, 229, 0.15);
  --bg-base: #0d1117;
  --bg-panel: #161b22;
  --bg-panel2: #1c2230;
  --bg-card: #1f2937;
  --border: #2d3748;
  --border-bright: #3d4f6b;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #4d5566;
  --green: #3fb950;
  --green-dim: rgba(63, 185, 80, 0.15);
  --yellow: #e3b341;
  --yellow-dim: rgba(227, 179, 65, 0.15);
  --red: #f85149;
  --red-dim: rgba(248, 81, 73, 0.15);
  --purple: #bc8cff;
  --purple-dim: rgba(188, 140, 255, 0.15);
  --teal: #39d5b9;
  --teal-dim: rgba(57, 213, 185, 0.12);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-ui: 'Inter', system-ui, sans-serif;
}

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

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-ui);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ── Top bar ── */
.topbar {
  height: 48px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
  flex-shrink: 0;
  z-index: 10;
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.k8s-wheel {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.topbar-logo span.accent { color: var(--k8s-blue); }

.topbar-cluster {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: pulse-dot 2.5s ease-in-out infinite;
}

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

.topbar-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 11px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* ── Main layout ── */
.workspace {
  flex: 1;
  display: grid;
  grid-template-columns: 220px 1fr 300px;
  overflow: hidden;
}

/* ── Left commands panel ── */
.commands-panel {
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.panel-section {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.panel-section:last-child { border-bottom: none; }

.section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 12px 8px;
}

.cmd-btn {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  font-size: 12px;
  font-family: var(--font-ui);
  color: var(--text-secondary);
  transition: background 0.12s, color 0.12s;
  text-align: left;
}

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

.cmd-btn:active { background: var(--bg-panel2); }

.cmd-btn .cmd-icon {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 11px;
}

.cmd-btn .cmd-label { flex: 1; line-height: 1.3; }
.cmd-btn .cmd-shorthand {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  background: var(--bg-base);
  padding: 1px 4px;
  border-radius: 3px;
}

.icon-pod { background: var(--green-dim); color: var(--green); }
.icon-deploy { background: var(--k8s-blue-glow); color: var(--k8s-blue); }
.icon-svc { background: var(--yellow-dim); color: var(--yellow); }
.icon-ns { background: var(--purple-dim); color: var(--purple); }
.icon-cfg { background: var(--teal-dim); color: var(--teal); }
.icon-del { background: var(--red-dim); color: var(--red); }

/* ── Visualiser ── */
.visualiser {
  background: var(--bg-base);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.viz-toolbar {
  height: 38px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 12px;
  flex-shrink: 0;
}

.viz-toolbar-title {
  font-size: 12px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 6px;
}

.viz-toolbar-title .ns-badge {
  background: var(--purple-dim);
  color: var(--purple);
  border: 1px solid rgba(188,140,255,0.2);
  border-radius: 3px;
  padding: 1px 6px;
  font-size: 10px;
}

.viz-filter-btns {
  margin-left: auto;
  display: flex;
  gap: 4px;
}

.filter-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 11px;
  font-family: var(--font-ui);
  padding: 2px 8px;
  cursor: pointer;
  transition: all 0.12s;
}

.filter-btn:hover { color: var(--text-primary); border-color: var(--border-bright); }
.filter-btn.active { background: var(--k8s-blue-glow); color: var(--k8s-blue); border-color: var(--k8s-blue); }

.viz-canvas {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px;
}

/* Node groups */
.node-group {
  margin-bottom: 16px;
}

.node-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.node-group-header::before {
  content: '';
  display: block;
  height: 1px;
  width: 12px;
  background: var(--border);
}

.node-group-header::after {
  content: '';
  display: block;
  flex: 1;
  height: 1px;
  background: var(--border);
}

.node-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Resource cards */
.resource-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  min-width: 160px;
  max-width: 190px;
  flex: 1;
  cursor: default;
  transition: border-color 0.15s, background 0.15s;
  animation: card-appear 0.3s ease-out;
  position: relative;
  overflow: hidden;
}

@keyframes card-appear {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.resource-card:hover {
  border-color: var(--border-bright);
  background: var(--bg-panel2);
}

.resource-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}

.card-pod::before { background: var(--green); }
.card-deploy::before { background: var(--k8s-blue); }
.card-svc::before { background: var(--yellow); }
.card-ns::before { background: var(--purple); }
.card-cfg::before { background: var(--teal); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.card-kind {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pod-kind { color: var(--green); }
.deploy-kind { color: var(--k8s-blue); }
.svc-kind { color: var(--yellow); }
.ns-kind { color: var(--purple); }
.cfg-kind { color: var(--teal); }

.card-status {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
}

.status-running { color: var(--green); }
.status-pending { color: var(--yellow); }
.status-error { color: var(--red); }

.status-pip {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.pip-running { background: var(--green); }
.pip-pending { background: var(--yellow); animation: blink 1s step-end infinite; }
.pip-error { background: var(--red); }

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.card-name {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 6px;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.meta-pill {
  font-size: 9px;
  font-family: var(--font-mono);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: var(--bg-base);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 12px;
  color: var(--text-muted);
  padding-bottom: 40px;
}

.empty-state svg { opacity: 0.3; }

.empty-title {
  font-size: 14px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.empty-hint {
  font-size: 12px;
  color: var(--text-muted);
  opacity: 0.7;
}

/* ── Terminal panel ── */
.terminal-panel {
  background: var(--bg-base);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.term-header {
  height: 38px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
  flex-shrink: 0;
}

.term-dots {
  display: flex;
  gap: 5px;
}

.term-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28c840; }

.term-title {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-left: 4px;
}

.term-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  scroll-behavior: smooth;
}

.term-line { margin-bottom: 1px; }

.term-prompt {
  color: var(--green);
  user-select: none;
}

.term-cmd { color: var(--text-primary); }
.term-out { color: var(--text-secondary); }
.term-out-blue { color: #79c0ff; }
.term-out-green { color: var(--green); }
.term-out-yellow { color: var(--yellow); }
.term-out-muted { color: var(--text-muted); }
.term-error { color: var(--red); }

.term-cursor {
  display: inline-block;
  width: 7px;
  height: 13px;
  background: var(--green);
  vertical-align: -2px;
  animation: cursor-blink 1.1s step-end infinite;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.term-spacer { height: 6px; }

/* scrollbars */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-bright); }