/* ==========================================================================
   OPTIX BENCH INSTRUMENT THEME
   Clean, Modern Industrial UI • Zero-Scroll Viewport • Refined Background
   ========================================================================== */

:root {
  --bg-deep: #090d16;
  --bg-panel: #0e1526;
  --bg-card: #121c33;
  --bg-card-hover: #182544;

  --border-card: rgba(255, 255, 255, 0.07);
  --border-focus: #38bdf8;
  --border-active: rgba(56, 189, 248, 0.4);

  --accent-cyan: #38bdf8;
  --accent-green: #10b981;
  --accent-orange: #f59e0b;
  --accent-red: #ef4444;
  --accent-yellow: #eab308;
  --accent-purple: #c084fc;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

html, body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background-color: var(--bg-deep);
  background-image: 
    radial-gradient(circle at 50% 0%, #162444 0%, transparent 60%),
    radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(56, 189, 248, 0.03) 0%, transparent 40%);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.35;
}

body.instrument-bench {
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   HEADER
   ========================================================================== */

header {
  height: 48px;
  min-height: 48px;
  background: rgba(14, 21, 38, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 20;
}

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

.logo-mark {
  width: 24px;
  height: 24px;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-mark svg {
  width: 100%;
  height: 100%;
}

.brand-name {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: #ffffff;
}

.brand-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-left: 10px;
  padding-left: 10px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

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

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 6px #34d399;
  animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.status-spec {
  font-size: 0.68rem;
  color: var(--text-dim);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-toggle {
  background: rgba(18, 28, 51, 0.8);
  border: 1px solid var(--border-card);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-toggle:hover {
  background: #1c2b4c;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-toggle.active {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-icon {
  padding: 4px 8px;
  font-size: 0.85rem;
}

.toggle-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
}

/* ==========================================================================
   MAIN DASHBOARD GRID
   ========================================================================== */

main {
  flex: 1;
  display: grid;
  grid-template-columns: 260px 1fr 310px;
  height: calc(100vh - 48px);
  overflow: hidden;
  gap: 1px;
  background: rgba(255, 255, 255, 0.05);
}

.panel {
  background: var(--bg-panel);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-head {
  height: 28px;
  min-height: 28px;
  background: rgba(18, 28, 51, 0.5);
  border-bottom: 1px solid var(--border-card);
  padding: 0 12px;
  display: flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text-dim);
}

/* ==========================================================================
   LEFT: CONTROL PANEL
   ========================================================================== */

.controls-body {
  flex: 1;
  padding: 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  overflow-y: auto;
}

.scenarios-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.btn-scenario {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 6px;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s;
}

.btn-scenario:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-scenario.active {
  background: rgba(56, 189, 248, 0.1);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.15);
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot-green { background: var(--accent-green); box-shadow: 0 0 8px var(--accent-green); }
.dot-orange { background: var(--accent-orange); box-shadow: 0 0 8px var(--accent-orange); }
.dot-red { background: var(--accent-red); box-shadow: 0 0 8px var(--accent-red); }
.dot-yellow { background: var(--accent-yellow); box-shadow: 0 0 8px var(--accent-yellow); }

.scenario-info {
  display: flex;
  flex-direction: column;
}

.scenario-info strong {
  font-size: 0.76rem;
  color: #ffffff;
  line-height: 1.2;
}

.scenario-info span {
  font-size: 0.64rem;
  color: var(--text-dim);
}

.settings-box {
  background: rgba(18, 28, 51, 0.4);
  border: 1px solid var(--border-card);
  border-radius: 6px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.setting-item label {
  display: block;
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-bottom: 3px;
}

.clean-select {
  width: 100%;
  background: #090e18;
  border: 1px solid var(--border-card);
  color: var(--text-main);
  padding: 5px 8px;
  border-radius: 4px;
  font-size: 0.74rem;
  outline: none;
}

.clean-select:focus {
  border-color: var(--accent-cyan);
}

.speed-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.speed-value {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-cyan);
  font-weight: 700;
}

.clean-range {
  width: 100%;
  accent-color: var(--accent-cyan);
  cursor: pointer;
  height: 4px;
}

.btn-scan-primary {
  width: 100%;
  background: linear-gradient(135deg, #0284c7, #0369a1);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.5px;
  border: 1px solid #38bdf8;
  padding: 10px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  box-shadow: 0 0 16px rgba(2, 132, 199, 0.4);
  transition: all 0.2s;
}

.btn-scan-primary:hover {
  background: linear-gradient(135deg, #0369a1, #0284c7);
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.5);
  transform: translateY(-1px);
}

/* ==========================================================================
   CENTER: CONVEYOR & INSTRUMENTS
   ========================================================================== */

.panel-center {
  background: #060911;
  display: flex;
  flex-direction: column;
}

.conveyor-container {
  flex: 1.15;
  min-height: 240px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-card);
}

#conveyorCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* HUD PROGRESS */
.scan-overlay-hud {
  position: absolute;
  top: 10px;
  left: 12px;
  background: rgba(14, 21, 38, 0.85);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border-card);
  border-radius: 4px;
  padding: 6px 10px;
  min-width: 180px;
  pointer-events: none;
}

.hud-phase {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 4px;
}

.hud-bar-wrap {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.hud-bar {
  height: 100%;
  background: var(--accent-cyan);
  transition: width 0.1s linear;
}

/* AIR JET POPUP ALERT */
.airjet-alert {
  position: absolute;
  top: 10px;
  right: 15px;
  background: rgba(239, 68, 68, 0.95);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 4px;
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.8);
  pointer-events: none;
  animation: pulse-alert 0.6s infinite alternate;
}

.airjet-alert.hidden {
  display: none;
}

@keyframes pulse-alert {
  from { transform: scale(1); }
  to { transform: scale(1.05); }
}

/* DESTINATION LABELS */
.dest-label {
  position: absolute;
  pointer-events: none;
  font-family: var(--font-mono);
  display: flex;
  flex-direction: column;
}

.dest-quarantine {
  bottom: 28px;
  right: 140px;
}

.dest-packaging {
  bottom: 28px;
  right: 15px;
}

.tag-red {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid var(--accent-red);
  color: #fca5a5;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
}

.tag-green {
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid var(--accent-green);
  color: #86efac;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
}

.sub-arrow {
  font-size: 0.55rem;
  color: var(--text-dim);
  margin-top: 1px;
}

/* BOTTOM DUAL INSTRUMENTS */
.instruments-row {
  flex: 0.95;
  min-height: 200px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-panel);
}

.inst-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.inst-card:first-child {
  border-right: 1px solid var(--border-card);
}

.inst-head {
  height: 28px;
  min-height: 28px;
  background: rgba(18, 28, 51, 0.5);
  border-bottom: 1px solid var(--border-card);
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.inst-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--text-muted);
}

.pill-sim {
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  font-size: 0.52rem;
  padding: 1px 4px;
  border-radius: 2px;
}

.inst-value {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  color: var(--text-muted);
}

.inst-canvas-box {
  flex: 1;
  position: relative;
  background: #080d17;
  overflow: hidden;
}

#spectralCanvas, #heatmapCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.heatmap-tooltip {
  position: absolute;
  top: 6px;
  right: 8px;
  background: rgba(14, 21, 38, 0.92);
  border: 1px solid var(--accent-cyan);
  border-radius: 3px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: #ffffff;
  pointer-events: none;
}

.heatmap-tooltip.hidden {
  display: none;
}

.inst-foot {
  height: 22px;
  min-height: 22px;
  background: rgba(10, 16, 28, 0.8);
  border-top: 1px solid var(--border-card);
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.58rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.inst-legend {
  display: flex;
  align-items: center;
  gap: 4px;
}

.legend-line {
  width: 10px;
  height: 3px;
  border-radius: 1px;
}

.line-blue { background: #3b82f6; }
.line-sample { background: var(--accent-green); }

.legend-dot {
  width: 7px;
  height: 7px;
  border-radius: 1px;
}

.dot-g { background: var(--accent-green); }
.dot-y { background: var(--accent-orange); }
.dot-r { background: var(--accent-red); }

.ml-2 { margin-left: 6px; }
.ml-3 { margin-left: 8px; }

/* ==========================================================================
   RIGHT: DECISION & FEEDBACK
   ========================================================================== */

.decision-body {
  flex: 1;
  padding: 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
  overflow-y: auto;
}

.risk-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 6px;
  padding: 8px 10px;
  text-align: center;
}

.risk-title {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.risk-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 4px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  transition: all 0.3s;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.risk-low {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--accent-green);
  color: #34d399;
}
.risk-low .badge-dot { background: var(--accent-green); }

.risk-suspicious {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--accent-orange);
  color: #fbbf24;
}
.risk-suspicious .badge-dot { background: var(--accent-orange); }

.risk-high {
  background: rgba(239, 68, 68, 0.18);
  border: 1px solid var(--accent-red);
  color: #f87171;
}
.risk-high .badge-dot { background: var(--accent-red); }

.risk-uncertain {
  background: rgba(234, 179, 8, 0.15);
  border: 1px solid var(--accent-yellow);
  color: #fde047;
}
.risk-uncertain .badge-dot { background: var(--accent-yellow); }

.risk-sub-metrics {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-dim);
}

.risk-sub-metrics strong {
  color: var(--text-muted);
}

/* 3-WAY DECISION STACK */
.decision-stack {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.dec-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 5px;
  padding: 6px 8px;
  opacity: 0.35;
  transition: all 0.25s;
}

.dec-item.active {
  opacity: 1;
  transform: scale(1.01);
}

.dec-pass.active {
  border-color: var(--accent-green);
  background: rgba(16, 185, 129, 0.12);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.25);
}

.dec-divert.active {
  border-color: var(--accent-orange);
  background: rgba(245, 158, 11, 0.12);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.25);
}

.dec-quarantine.active {
  border-color: var(--accent-yellow);
  background: rgba(234, 179, 8, 0.12);
  box-shadow: 0 0 12px rgba(234, 179, 8, 0.25);
}

.dec-top {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dec-badge {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 800;
  padding: 1px 4px;
  border-radius: 3px;
}

.badge-pass { background: var(--accent-green); color: #000; }
.badge-divert { background: var(--accent-orange); color: #000; }
.badge-quarantine { background: var(--accent-yellow); color: #000; }

.dec-top strong {
  font-size: 0.72rem;
  color: #ffffff;
}

.dec-item p {
  font-size: 0.62rem;
  color: var(--text-muted);
  line-height: 1.2;
  margin-top: 2px;
}

/* LAB BOX */
.lab-box {
  background: rgba(18, 28, 51, 0.4);
  border: 1px solid var(--border-card);
  border-radius: 6px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.lab-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-dim);
}

.sample-tag {
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  font-size: 0.58rem;
  padding: 1px 4px;
  border-radius: 2px;
}

.lab-status-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
}

.btn-lab-action {
  width: 100%;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--accent-green);
  color: #34d399;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  padding: 5px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 2px;
}

.btn-lab-action:hover {
  background: var(--accent-green);
  color: #000000;
}

.lab-note {
  font-size: 0.58rem;
  color: var(--text-dim);
  text-align: center;
}

/* STATS ROW */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #090e18;
  border: 1px solid var(--border-card);
  border-radius: 4px;
  padding: 4px;
  text-align: center;
}

.stat-col {
  display: flex;
  flex-direction: column;
}

.stat-lbl {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  color: var(--text-dim);
}

.stat-col strong {
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.text-green { color: var(--accent-green); }
.text-orange { color: var(--accent-orange); }
.text-yellow { color: var(--accent-yellow); }
.text-red { color: var(--accent-red); }
.text-muted { color: var(--text-muted); }