:root {
  --bg-dark: #0f141c;
  --bg-panel: #171f2c;
  --bg-card: #1e293b;
  --border: #2e3c52;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-hover: #0284c7;
  --success: #22c55e;
  --warning: #eab308;
  --danger: #ef4444;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-size: 13px;
}

.topbar {
  height: 52px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  color: var(--accent);
}

.badge {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.35);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.topbar-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.workspace {
  flex: 1;
  display: grid;
  grid-template-columns: 300px 1fr 340px;
  min-height: 0;
}

.sidebar {
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-right {
  border-right: none;
  border-left: 1px solid var(--border);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
}

.card-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 110px;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.form-row label { color: var(--text-muted); font-size: 12px; }
input, select {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 5px 8px;
  border-radius: 4px;
  font-size: 12px;
  width: 100%;
}

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

.btn {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  font-size: 12px;
  transition: 0.15s;
}

.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent-hover); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent); color: #000; }
.btn-success { background: #15803d; border-color: var(--success); color: #fff; }
.btn-success:hover { background: var(--success); color: #000; }
.btn-active { background: var(--accent); color: #000; border-color: var(--accent); }

.wall-list { display: flex; flex-direction: column; gap: 4px; }
.wall-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 8px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
}
.wall-item:hover { border-color: var(--accent); }
.wall-item.selected {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.14);
}

.center-stage {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

.canvas-toolbar {
  height: 42px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  gap: 8px;
}

.canvas-wrap {
  flex: 1;
  position: relative;
  min-height: 0;
  background: #0b0f17;
}

#cadCanvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

.canvas-hud {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(15, 20, 28, 0.88);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-muted);
  pointer-events: none;
}

.charts-drawer {
  height: 195px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 8px 12px;
}

.chart-box {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 4px;
  position: relative;
}

.chart-canvas { width: 100%; height: 100%; display: block; }
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 6px;
}
.kpi-box {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px;
  text-align: center;
}
.kpi-val { font-size: 14px; font-weight: 700; color: var(--accent); }
.kpi-lbl { font-size: 10px; color: var(--text-muted); }