@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;600&display=swap');

/* ── Design Tokens ────────────────────────────────────────────────────────── */
:root {
  --void:      #04040c;
  --cosmos:    #07070f;
  --nebula:    #0b0b18;
  --nova:      #10102a;
  --stellar:   #161632;
  --border:    #1c1c3d;
  --bright:    #242458;

  --cyan:      #00e5ff;
  --cyan-dim:  rgba(0, 229, 255, 0.12);
  --azure:     #3d8bff;
  --violet:    #a855f7;
  --emerald:   #00d68f;
  --amber:     #ffb700;
  --crimson:   #ff4466;
  --rose:      #f472b6;

  --text:      #dde8ff;
  --muted:     #6070a0;
  --subtle:    #404080;

  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 18px;

  --font:      'Inter', sans-serif;
  --mono:      'JetBrains Mono', monospace;

  --shadow:    0 8px 40px -12px rgba(0,0,0,0.8);
  --glow-cyan: 0 0 20px rgba(0, 229, 255, 0.25);
  --glow-violet: 0 0 20px rgba(168, 85, 247, 0.25);
}

/* ── Reset ────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--void);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── Scrollbar ────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--cosmos); }
::-webkit-scrollbar-thumb { background: var(--stellar); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--bright); }

/* ── Header ───────────────────────────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 32px;
  height: 60px;
  background: linear-gradient(90deg, var(--nebula) 0%, var(--cosmos) 100%);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--azure));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  flex-shrink: 0;
}

.logo-hex {
  font-size: 1.5rem;
  margin-right: 2px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 8px rgba(0,229,255,0.4));
}

/* ── Tab Navigation ───────────────────────────────────────────────────────── */
.tab-nav {
  display: flex;
  gap: 4px;
  flex: 1;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 18px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.5px;
  width: auto;
}

.tab-btn:hover {
  background: var(--stellar);
  color: var(--text);
  transform: none;
  box-shadow: none;
}

.tab-btn.active {
  background: var(--cyan-dim);
  color: var(--cyan);
  border: 1px solid rgba(0, 229, 255, 0.25);
}

/* ── Header Meta ──────────────────────────────────────────────────────────── */
.header-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.badge {
  font-size: 0.75rem;
  font-family: var(--mono);
  padding: 3px 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--nova);
  color: var(--muted);
  white-space: nowrap;
}

.badge.live {
  color: var(--cyan);
  border-color: rgba(0, 229, 255, 0.2);
  background: var(--cyan-dim);
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 8px var(--emerald);
  animation: pulse-dot 2s ease-in-out infinite;
}

.status-dot.offline { background: var(--crimson); box-shadow: 0 0 8px var(--crimson); }

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ── Tab Content ──────────────────────────────────────────────────────────── */
.tab-content { display: none; padding: 28px 32px; }
.tab-content.active { display: block; }

/* ── Grid Layouts ─────────────────────────────────────────────────────────── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }

@media (max-width: 1100px) {
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 700px) {
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .span-2, .span-3, .span-4 { grid-column: span 1; }
}

/* ── Card ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--nebula);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: radial-gradient(ellipse at top left, rgba(0,229,255,0.03), transparent 60%);
  pointer-events: none;
}

.card:hover {
  border-color: rgba(0, 229, 255, 0.2);
  box-shadow: var(--glow-cyan);
}

.card-title {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title .icon { font-size: 1rem; }

/* ── Metric Display ───────────────────────────────────────────────────────── */
.metric-value {
  font-family: var(--mono);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 6px;
  letter-spacing: -1px;
}

.metric-value.warning { color: var(--amber); }
.metric-value.danger  { color: var(--crimson); }

.metric-label {
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}

/* ── Sparkline Canvas ─────────────────────────────────────────────────────── */
.sparkline-wrap {
  position: relative;
  height: 60px;
  width: 100%;
  margin-top: 8px;
}

.sparkline-wrap canvas {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 6px;
}

/* ── Progress Bar ─────────────────────────────────────────────────────────── */
.progress-bg {
  background: var(--nova);
  border-radius: 4px;
  height: 4px;
  overflow: hidden;
  margin-top: 12px;
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--azure), var(--cyan));
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-fill.warning { background: linear-gradient(90deg, var(--amber), #ff8c00); }
.progress-fill.danger  { background: linear-gradient(90deg, var(--crimson), #ff6600); }

/* ── Task Stats ───────────────────────────────────────────────────────────── */
.task-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.task-row:last-child { border-bottom: none; }
.task-row .label { color: var(--muted); }
.task-row .value { font-family: var(--mono); font-weight: 600; }
.v-success { color: var(--emerald); }
.v-warning { color: var(--amber); }
.v-danger  { color: var(--crimson); }
.v-muted   { color: var(--muted); }

/* ── Events Feed ──────────────────────────────────────────────────────────── */
.events-feed {
  max-height: 220px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.event-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 10px;
  background: var(--nova);
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--border);
  font-size: 0.78rem;
  transition: border-color 0.2s;
}

.event-item.task_completed { border-left-color: var(--emerald); }
.event-item.task_failed    { border-left-color: var(--crimson); }
.event-item.resource       { border-left-color: var(--amber); }
.event-item.plugin         { border-left-color: var(--violet); }

.event-time { color: var(--muted); font-family: var(--mono); white-space: nowrap; }
.event-type { color: var(--cyan); font-weight: 600; }
.event-data { color: var(--muted); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Explorer Layout ──────────────────────────────────────────────────────── */
.explorer-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 20px;
  height: calc(100vh - 140px);
}

.explorer-left {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}

.explorer-right {
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}

/* ── Search ───────────────────────────────────────────────────────────────── */
.search-wrap {
  position: relative;
}

.search-wrap input {
  width: 100%;
  background: var(--nova);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px 10px 36px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-family: var(--font);
  transition: border-color 0.2s ease;
  outline: none;
}

.search-wrap input:focus { border-color: var(--cyan); }
.search-wrap .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.9rem;
  pointer-events: none;
}

/* ── Domain Pills ─────────────────────────────────────────────────────────── */
.domain-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.domain-pill {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--nova);
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s ease;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.domain-pill:hover { color: var(--text); border-color: var(--subtle); }

.domain-pill.active {
  background: var(--cyan-dim);
  color: var(--cyan);
  border-color: rgba(0, 229, 255, 0.3);
}

.domain-pill[data-domain="math"]       { --pill-color: var(--cyan); }
.domain-pill[data-domain="physics"]    { --pill-color: var(--azure); }
.domain-pill[data-domain="ai"]         { --pill-color: var(--violet); }
.domain-pill[data-domain="streaming"]  { --pill-color: var(--amber); }
.domain-pill[data-domain="production"] { --pill-color: var(--emerald); }
.domain-pill[data-domain="vision"]     { --pill-color: var(--rose); }
.domain-pill.active { background: rgba(var(--pill-color), 0.1); color: var(--pill-color); }

/* ── Algorithm List ───────────────────────────────────────────────────────── */
.algo-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.algo-card {
  background: var(--nova);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.algo-card:hover { border-color: var(--bright); background: var(--stellar); }

.algo-card.selected {
  border-color: rgba(0, 229, 255, 0.4);
  background: var(--cyan-dim);
}

.algo-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.algo-card-name {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cyan);
}

.algo-card-badges { display: flex; gap: 4px; }

.chip {
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.chip-domain {
  background: rgba(0, 229, 255, 0.08);
  color: var(--muted);
  border: 1px solid var(--border);
}

.chip-domain[data-d="physics"]    { background: rgba(61,139,255,0.1);  color: var(--azure);   border-color: rgba(61,139,255,0.2); }
.chip-domain[data-d="ai"]         { background: rgba(168,85,247,0.1);  color: var(--violet);  border-color: rgba(168,85,247,0.2); }
.chip-domain[data-d="streaming"]  { background: rgba(255,183,0,0.1);   color: var(--amber);   border-color: rgba(255,183,0,0.2); }
.chip-domain[data-d="production"] { background: rgba(0,214,143,0.1);   color: var(--emerald); border-color: rgba(0,214,143,0.2); }
.chip-domain[data-d="vision"]     { background: rgba(244,114,182,0.1); color: var(--rose);    border-color: rgba(244,114,182,0.2); }
.chip-domain[data-d="spatial"]    { background: rgba(0,229,255,0.08);  color: #70c0ff;        border-color: rgba(0,229,255,0.15); }
.chip-domain[data-d="simulation"] { background: rgba(255,100,100,0.1); color: #ff8080;        border-color: rgba(255,100,100,0.2); }
.chip-domain[data-d="robotics"]   { background: rgba(200,200,50,0.1);  color: #d4d460;        border-color: rgba(200,200,50,0.2); }
.chip-domain[data-d="world"]      { background: rgba(80,200,120,0.1);  color: #80e0a0;        border-color: rgba(80,200,120,0.2); }

.chip-complexity { background: var(--stellar); color: var(--muted); border: 1px solid var(--border); }

.algo-card-desc {
  font-size: 0.76rem;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── Auto Form ────────────────────────────────────────────────────────────── */
.form-section {
  background: var(--nebula);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: border-color 0.2s;
}

.form-section:hover { border-color: rgba(0,229,255,0.15); }

.form-title {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--cyan);
  margin-bottom: 4px;
}

.form-desc {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 18px;
}

.form-fields { display: flex; flex-direction: column; gap: 14px; }

.field-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 5px;
}

.field-group .field-hint {
  font-size: 0.7rem;
  color: var(--subtle);
  font-style: italic;
  margin-top: 3px;
}

/* ── Form Controls ────────────────────────────────────────────────────────── */
input[type="text"], input[type="number"], select, textarea {
  width: 100%;
  background: var(--nova);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.2s ease;
  resize: vertical;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus { border-color: var(--cyan); }

textarea { font-family: var(--mono); font-size: 0.8rem; min-height: 80px; }

select option { background: var(--nova); }

.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toggle {
  position: relative;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}

.toggle input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--stellar);
  border-radius: 20px;
  cursor: pointer;
  transition: 0.2s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  left: 3px; top: 3px;
  background: var(--muted);
  border-radius: 50%;
  transition: 0.2s;
}

.toggle input:checked + .toggle-slider { background: var(--cyan-dim); }
.toggle input:checked + .toggle-slider::before { transform: translateX(16px); background: var(--cyan); }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
  width: auto;
}

.btn-primary {
  background: linear-gradient(135deg, var(--azure), var(--cyan));
  color: var(--void);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 229, 255, 0.3);
}

.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: var(--nova);
  color: var(--muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover { background: var(--stellar); color: var(--text); }

.btn-danger {
  background: rgba(255, 68, 102, 0.1);
  color: var(--crimson);
  border: 1px solid rgba(255, 68, 102, 0.2);
}

.btn-danger:hover { background: rgba(255, 68, 102, 0.2); }

.btn-success {
  background: rgba(0, 214, 143, 0.1);
  color: var(--emerald);
  border: 1px solid rgba(0, 214, 143, 0.2);
}

.btn-success:hover { background: rgba(0, 214, 143, 0.2); }

.btn-violet {
  background: rgba(168, 85, 247, 0.1);
  color: var(--violet);
  border: 1px solid rgba(168, 85, 247, 0.2);
}

.btn-violet:hover { background: rgba(168, 85, 247, 0.2); }

.btn-sm { padding: 5px 12px; font-size: 0.78rem; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }

/* ── Result Display ───────────────────────────────────────────────────────── */
.result-box {
  background: var(--void);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text);
  overflow: auto;
  max-height: 320px;
  line-height: 1.7;
  min-height: 80px;
  white-space: pre;
}

.result-box .key   { color: var(--azure); }
.result-box .str   { color: var(--emerald); }
.result-box .num   { color: var(--amber); }
.result-box .bool  { color: var(--violet); }
.result-box .null  { color: var(--crimson); }

.result-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  font-size: 0.72rem;
  color: var(--muted);
  font-family: var(--mono);
}

/* ── Graph Editor ─────────────────────────────────────────────────────────── */
.graph-toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.graph-toolbar-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 4px;
}

.graph-canvas {
  position: relative;
  width: 100%;
  height: 580px;
  background-color: var(--void);
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: default;
  user-select: none;
}

.graph-canvas:active { cursor: grabbing; }

.edges-svg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: visible;
}

.edge-path {
  fill: none;
  stroke: rgba(0, 229, 255, 0.4);
  stroke-width: 2;
  stroke-linecap: round;
  filter: drop-shadow(0 0 4px rgba(0,229,255,0.3));
  transition: stroke 0.2s;
}

.edge-path:hover { stroke: var(--cyan); }

.temp-edge {
  fill: none;
  stroke: rgba(168, 85, 247, 0.6);
  stroke-width: 2;
  stroke-dasharray: 6 4;
  stroke-linecap: round;
}

/* ── Graph Node ───────────────────────────────────────────────────────────── */
.g-node {
  position: absolute;
  width: 230px;
  background: var(--nebula);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  z-index: 2;
  box-shadow: 0 4px 24px -8px rgba(0,0,0,0.6);
  transition: box-shadow 0.2s, border-color 0.2s;
  overflow: visible;
}

.g-node:hover { border-color: var(--bright); }

.g-node.selected {
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow: 0 0 0 2px rgba(0,229,255,0.1), 0 4px 24px -8px rgba(0,0,0,0.6);
}

.g-node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: var(--nova);
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: grab;
}

.g-node-header:active { cursor: grabbing; }

.g-node-title {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--cyan);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.g-node-del {
  background: none;
  border: none;
  color: var(--subtle);
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  padding: 0 0 0 6px;
  width: auto;
  transition: color 0.15s;
}

.g-node-del:hover { color: var(--crimson); transform: none; box-shadow: none; }

.g-node-body {
  padding: 10px 0;
}

.g-port-row {
  display: flex;
  align-items: center;
  padding: 4px 0;
  position: relative;
}

.g-port-row.output { justify-content: flex-end; }

.g-port-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--nova);
  cursor: crosshair;
  transition: all 0.15s ease;
  z-index: 3;
}

.g-port-dot.input-port  { left: -6px; }
.g-port-dot.output-port { right: -6px; }

.g-port-dot:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 8px rgba(0,229,255,0.5);
}

.g-port-dot.connected {
  background: var(--azure);
  border-color: var(--azure);
}

.g-port-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  padding: 0 14px;
}

.g-port-row.output .g-port-label { color: var(--cyan); }

.g-node-domain-stripe {
  height: 2px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  position: absolute;
  top: -1px; left: 0; right: 0;
}

/* ── Add Node Popup ───────────────────────────────────────────────────────── */
.node-picker {
  position: absolute;
  z-index: 200;
  background: var(--nebula);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  width: 280px;
  box-shadow: var(--shadow);
  display: none;
}

.node-picker.open { display: block; }

.node-picker input {
  margin-bottom: 8px;
}

.node-picker-list {
  max-height: 260px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.node-picker-item {
  padding: 7px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.1s;
}

.node-picker-item:hover { background: var(--stellar); }

.node-picker-item .np-name { font-family: var(--mono); color: var(--text); font-weight: 600; flex: 1; }
.node-picker-item .np-dom  { font-size: 0.65rem; color: var(--muted); }

/* ── Pipeline Result ──────────────────────────────────────────────────────── */
.pipeline-result-area {
  background: var(--nebula);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 16px;
}

/* ── Notification Toast ───────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--nebula);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-size: 0.82rem;
  color: var(--text);
  box-shadow: var(--shadow);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.25s ease;
  max-width: 320px;
}

.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { border-left: 3px solid var(--emerald); }
.toast.error   { border-left: 3px solid var(--crimson); }
.toast.info    { border-left: 3px solid var(--cyan); }

/* ── Divider / Section Title ──────────────────────────────────────────────── */
.section-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Spinner ──────────────────────────────────────────────────────────────── */
.spinner {
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Animations ───────────────────────────────────────────────────────────── */
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fade-in-up 0.3s ease both; }

/* ── Empty State ──────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
  font-size: 0.85rem;
}

.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 10px; opacity: 0.4; }

/* ── Maintenance Tab ──────────────────────────────────────────────────────── */
.maint-header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 20px;
  background: var(--cosmos);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.maint-severity-card {
  padding: 10px 20px;
  border: 2px solid var(--border);
  border-radius: 10px;
  text-align: center;
  min-width: 120px;
  transition: border-color 0.3s;
}
.severity-label { font-size: 0.65rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.severity-value { font-size: 1.3rem; font-weight: 700; font-family: var(--mono); margin-top: 4px; }

.maint-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.mstat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.mstat span { font-size: 1.5rem; font-weight: 700; font-family: var(--mono); color: var(--text); }
.mstat small { font-size: 0.65rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

.maint-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-left: auto; }
.maint-lastrun { font-size: 0.72rem; color: var(--muted); width: 100%; padding-top: 4px; }

.maint-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 16px 20px;
  overflow-y: auto;
  max-height: calc(100vh - 220px);
}

.maint-panel {
  background: var(--cosmos);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.maint-panel-wide { grid-column: 1 / -1; }

.maint-table-wrap { overflow-x: auto; max-height: 250px; overflow-y: auto; }
.maint-table { width: 100%; border-collapse: collapse; font-size: 0.78rem; }
.maint-table th { padding: 6px 8px; text-align: left; color: var(--muted); font-weight: 600;
  border-bottom: 1px solid var(--border); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; position: sticky; top: 0; background: var(--cosmos); }
.maint-table td { padding: 5px 8px; border-bottom: 1px solid color-mix(in srgb, var(--border) 60%, transparent); }
.fail-row:hover { background: color-mix(in srgb, var(--border) 30%, transparent); }

.level-badge { display: inline-block; padding: 1px 6px; border-radius: 4px; font-size: 0.65rem; font-weight: 700; }
.level-PRO       { background: color-mix(in srgb, var(--cyan) 20%, transparent); color: var(--cyan); }
.level-PRO_ADVANCED { background: color-mix(in srgb, var(--amber) 20%, transparent); color: var(--amber); }
.level-EXCELLENCE   { background: color-mix(in srgb, var(--crimson) 20%, transparent); color: var(--crimson); }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; min-height: 32px; }
.tag { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 0.7rem; font-family: var(--mono); }
.tag-dead { background: color-mix(in srgb, var(--crimson) 15%, transparent); color: var(--crimson); border: 1px solid color-mix(in srgb, var(--crimson) 30%, transparent); }
.tag-regr { background: color-mix(in srgb, var(--amber) 15%, transparent); color: var(--amber); border: 1px solid color-mix(in srgb, var(--amber) 30%, transparent); }

.severity-history {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  min-height: 60px;
  padding: 8px 4px;
}
.hist-item { display: flex; flex-direction: column; align-items: center; gap: 2px; cursor: default; }
.hist-bar { width: 12px; border-radius: 3px 3px 0 0; min-height: 4px; transition: height 0.2s; }
.hist-sev { font-size: 0.6rem; font-weight: 700; }

.muted-cell { color: var(--muted); font-size: 0.8rem; text-align: center; padding: 12px; }

.sev-low td { border-left: 3px solid var(--amber); }
.sev-medium td { border-left: 3px solid #f97316; }
.sev-high td { border-left: 3px solid var(--crimson); }

/* ── Digital Twin ─────────────────────────────────────────────────────────── */
.twin-layout {
  display: grid;
  grid-template-columns: 220px 1fr 280px;
  gap: 12px;
  height: calc(100vh - 60px);
  overflow: hidden;
  padding: 12px;
}
.twin-left { display: flex; flex-direction: column; gap: 8px; overflow: hidden; }
.twin-center { overflow-y: auto; }
.twin-right { overflow-y: auto; display: flex; flex-direction: column; }

.twin-list-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 4px 0 8px;
}
.twin-list { display: flex; flex-direction: column; gap: 6px; overflow-y: auto; flex: 1; }

.twin-item {
  padding: 10px 12px; border-radius: var(--radius-sm);
  background: var(--nova); border: 1px solid var(--border);
  cursor: pointer; transition: all 0.15s;
}
.twin-item:hover { border-color: var(--cyan); background: var(--stellar); }
.twin-item.active { border-color: var(--cyan); background: color-mix(in srgb, var(--cyan) 8%, var(--nova)); box-shadow: var(--glow-cyan); }
.twin-item-name { font-size: 0.82rem; font-weight: 600; color: var(--text); }
.twin-item-meta { font-size: 0.7rem; color: var(--muted); margin-top: 2px; }
.twin-item-badge {
  display: inline-block; padding: 1px 7px; border-radius: 10px;
  font-size: 0.65rem; font-weight: 700; margin-top: 4px;
}
.badge-NOMINAL  { background: color-mix(in srgb,var(--emerald) 20%,transparent); color:var(--emerald); }
.badge-WARNING  { background: color-mix(in srgb,var(--amber)   20%,transparent); color:var(--amber); }
.badge-CRITICAL { background: color-mix(in srgb,var(--crimson) 20%,transparent); color:var(--crimson); }
.badge-FAILURE  { background: var(--crimson); color:#fff; }

/* State panel */
.twin-state-panel { display: flex; flex-direction: column; gap: 10px; }
.twin-state-header {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 6px; border-bottom: 1px solid var(--border);
}
.twin-name-title { font-size: 1rem; font-weight: 700; color: var(--text); }

.twin-health-block {
  display: flex; align-items: center; gap: 16px;
  padding: 14px; background: var(--nova); border-radius: var(--radius);
  border: 1px solid var(--border);
}
.twin-health-score { font-size: 2.2rem; font-weight: 800; font-family: var(--mono); }
.twin-health-info { flex: 1; }
.twin-health-status { font-size: 0.9rem; font-weight: 700; margin-bottom: 4px; }
.twin-health-alerts { font-size: 0.72rem; color: var(--muted); }

.twin-metrics-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}
.twin-metric-card {
  padding: 10px 12px; background: var(--nova); border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.twin-metric-label { font-size: 0.68rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.twin-metric-value { font-size: 1.1rem; font-weight: 700; font-family: var(--mono); color: var(--cyan); margin-top: 2px; }
.twin-metric-unit  { font-size: 0.65rem; color: var(--muted); }

.twin-gauge-bar {
  height: 6px; background: var(--border); border-radius: 3px;
  margin-top: 6px; overflow: hidden;
}
.twin-gauge-fill { height: 100%; border-radius: 3px; transition: width 0.4s, background 0.4s; }

/* Controls */
.twin-controls { display: flex; flex-direction: column; gap: 8px; }
.twin-control-row { display: flex; align-items: center; gap: 10px; }
.twin-label { font-size: 0.72rem; color: var(--muted); display: flex; flex-direction: column; gap: 3px; flex: 1; }
.twin-input {
  width: 100%; padding: 6px 10px; background: var(--stellar);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-family: var(--mono); font-size: 0.8rem;
}
.twin-input:focus { outline: none; border-color: var(--cyan); }
.twin-input-sm { width: 80px; padding: 4px 6px; background: var(--stellar);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-family: var(--mono); font-size: 0.75rem; }
.twin-input-sm:focus { outline: none; border-color: var(--cyan); }
.twin-range { flex: 1; accent-color: var(--cyan); cursor: pointer; }
.twin-range-val { font-family: var(--mono); font-size: 0.75rem; color: var(--cyan); min-width: 70px; text-align: right; }

.twin-btn-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }

/* Trend label */
.twin-trend-label { font-size: 0.72rem; color: var(--muted); margin-top: 4px; text-align: center; }
.twin-forecast-controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
.twin-forecast-summary {
  margin-top: 8px; padding: 8px 12px; border-radius: var(--radius-sm);
  background: var(--nova); border: 1px solid var(--border);
  font-size: 0.75rem; font-family: var(--mono); color: var(--text);
}

/* Modal */
.twin-modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; backdrop-filter: blur(4px);
}
.twin-modal {
  background: var(--nebula); border: 1px solid var(--border);
  border-radius: var(--radius-lg); min-width: 480px; max-width: 560px;
  box-shadow: var(--shadow);
}
.twin-modal-title {
  padding: 18px 20px 14px; font-size: 1rem; font-weight: 700;
  border-bottom: 1px solid var(--border); color: var(--text);
}
.twin-modal-body { padding: 16px 20px; }
.twin-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ── SLAM 3D ──────────────────────────────────────────────────────────────── */
.slam-layout {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 12px;
  height: calc(100vh - 60px);
  overflow: hidden;
  padding: 12px;
}
.slam-left {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  gap: 0;
}
.slam-main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  gap: 6px;
}

.slam-section-title {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  padding: 4px 0 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.slam-session-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-height: 140px;
  overflow-y: auto;
}
.slam-session-item {
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  background: var(--nova);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all .15s;
}
.slam-session-item:hover { border-color: var(--cyan); }
.slam-session-item.active { border-color: var(--cyan); background: color-mix(in srgb, var(--cyan) 8%, var(--nova)); }
.slam-session-item .s-name { font-size: .78rem; font-weight: 600; color: var(--text); }
.slam-session-item .s-meta { font-size: .65rem; color: var(--muted); margin-top: 1px; }

.slam-controls { display: flex; flex-direction: column; gap: 6px; }

.slam-stats-panel { display: flex; flex-direction: column; gap: 2px; }
.slam-stat { display: flex; justify-content: space-between; padding: 3px 0; border-bottom: 1px solid color-mix(in srgb, var(--border) 50%, transparent); }
.slam-stat-lbl { font-size: .68rem; color: var(--muted); }
.slam-stat-val { font-size: .72rem; font-family: var(--mono); color: var(--cyan); }
.slam-stat-pos { font-size: .65rem; color: var(--text); }

.slam-map-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 0 6px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.slam-map-title {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text);
}

.slam-canvas-wrap {
  flex: 1;
  position: relative;
  background: var(--cosmos);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}
#slam-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}
.slam-canvas-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: .8rem;
  color: var(--muted);
  pointer-events: none;
  line-height: 1.8;
}

.slam-legend {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  flex-wrap: wrap;
}
.slam-leg-item { display: flex; align-items: center; gap: 5px; font-size: .65rem; color: var(--muted); }
.slam-leg-dot  { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

/* ── Analytics ──────────────────────────────────────────────────────────── */
.ana-kpi { background:#1e1e2e; border:1px solid #2a2a3e; border-radius:6px; padding:10px 8px; text-align:center; }
.ana-kpi-val { font-size:1.3rem; font-weight:700; color:#cdd6f4; font-family:monospace; }
.ana-kpi-lbl { font-size:.65rem; color:#666; margin-top:3px; text-transform:uppercase; letter-spacing:.05em; }
.ana-card { background:#12121f; border:1px solid #2a2a3e; border-radius:6px; padding:12px; }
.ana-th { text-align:left; padding:4px 8px; color:#666; font-size:10px; text-transform:uppercase; border-bottom:1px solid #2a2a3e; }
.ana-td { padding:4px 8px; border-bottom:1px solid #1a1a2e; color:#cdd6f4; cursor:pointer; }
.ana-row:hover td { background:#1e1e2e; }
.ana-domain { color:#7c5cbf; font-size:10px; }
.ana-warn { color:#f59e0b; }

/* ── Cognitive Engine ───────────────────────────────────────────────────────── */
.cog-tag { background:#1e1e2e; border:1px solid #333; border-radius:10px; padding:2px 8px; font-size:10px; color:#cdd6f4; }
.cog-row { cursor:pointer; }
.cog-row:hover td { background:#1e1e2e; }
.cog-stat { color:#cdd6f4; font-size:11px; margin-bottom:4px; }
.cog-stat b { color:#a78bfa; }
.cog-neighbor { display:flex; align-items:center; gap:6px; padding:3px 0; border-bottom:1px solid #1a1a2e; font-size:11px; }