/* styles.css - Modern Sleek Lab Dark/Light Theme for GATLAB Simulator */

:root {
  --bg-primary: #0F172A;
  --bg-secondary: #1E293B;
  --bg-tertiary: #334155;
  --border-color: #334155;
  --border-light: #475569;
  
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  --accent-cyan: #38BDF8;
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;
  --accent-rose: #EF4444;
  --accent-indigo: #6366F1;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Menlo, monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

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

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

/* --- Top Toolbar --- */
.toolbar-container {
  height: 54px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 20;
}

.toolbar-left, .toolbar-center, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  user-select: none;
}

.brand-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, #2563EB, #06B6D4);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}

.brand-subtitle {
  font-size: 10px;
  color: var(--accent-cyan);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

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

.toolbar-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-right: 4px;
}

/* Wire Color Chips */
.wire-color-picker {
  display: flex;
  align-items: center;
  gap: 5px;
  background-color: var(--bg-primary);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.color-chip {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.color-chip:hover {
  transform: scale(1.2);
}

.color-chip.active {
  border-color: #FFFFFF;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5);
  transform: scale(1.15);
}

/* Tool Buttons */
.tool-btn {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  transition: all 0.15s ease;
}

.tool-btn.active {
  background-color: var(--accent-cyan);
  color: #0F172A;
  border-color: var(--accent-cyan);
}

.tool-btn:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--border-light);
}

.tool-btn.danger:hover {
  background-color: rgba(239, 68, 68, 0.2);
  border-color: var(--accent-rose);
  color: var(--accent-rose);
}

.tool-btn.text-btn {
  font-size: 12px;
  font-weight: 600;
}

.issues-btn {
  background-color: rgba(15, 23, 42, 0.8);
}

.badge {
  padding: 2px 7px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
}

.badge-ok {
  background-color: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
}

.badge-warn {
  background-color: rgba(245, 158, 11, 0.2);
  color: var(--accent-amber);
}

.badge-error {
  background-color: rgba(239, 68, 68, 0.2);
  color: var(--accent-rose);
}

/* --- Main Workspace Layout --- */
.main-workspace {
  flex: 1 1 0;
  min-height: 0;
  display: flex;
  overflow: hidden;
  position: relative;
}

/* --- Left Palette Sidebar --- */
.palette-container {
  width: 290px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 10;
}

.palette-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
}

.palette-title {
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
}

.palette-title .icon {
  width: 16px;
  height: 16px;
  color: var(--accent-cyan);
}

.palette-desc {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.palette-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 12px;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.palette-tab {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
}

.palette-tab:hover {
  color: var(--text-primary);
}

.palette-tab.active {
  background-color: var(--accent-cyan);
  color: #0F172A;
}

#circuit-guides-container {
  flex: 1;
  min-height: 0;
  overflow: auto;
  flex-direction: column;
}

.guides-panel {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.guides-header {
  font-size: 13px;
}

.guides-note {
  margin: 0;
  color: var(--text-secondary);
  font-size: 11px;
  line-height: 1.4;
}

.guide-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.guide-title {
  font-size: 12px;
  font-weight: 700;
}

.guide-aim {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.35;
}

.guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.guide-wizard-modal {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.55);
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.guide-wizard-box {
  width: min(520px, 100%);
  background: #0f172a;
  color: #e2e8f0;
  border: 1px solid #334155;
  border-radius: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wizard-header,
.wizard-actions {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.wizard-step-title {
  font-weight: 700;
}

.wizard-step-instruction,
.wizard-feedback {
  font-size: 13px;
  line-height: 1.4;
}

.wizard-progress-bar {
  height: 6px;
  background: #1e293b;
  border-radius: 99px;
  margin-top: 4px;
}

.wizard-progress-fill {
  height: 100%;
  background: #38bdf8;
  border-radius: 99px;
}

.palette-grid {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.part-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.part-card:hover {
  border-color: var(--accent-cyan);
  transform: translateX(3px);
  background-color: rgba(56, 189, 248, 0.05);
}

.part-card.selected {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.25);
}

.part-icon-box {
  width: 44px;
  height: 32px;
  background-color: var(--bg-secondary);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.part-info {
  flex: 1;
  min-width: 0;
}

.part-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.part-badge {
  font-size: 9px;
  font-weight: 700;
  background-color: var(--bg-tertiary);
  color: var(--accent-cyan);
  padding: 1px 5px;
  border-radius: 4px;
}

.part-sub {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* --- Center Canvas Viewport --- */
.canvas-viewport {
  flex: 1;
  position: relative;
  background-color: #090D16; /* Deep dark workbench mat */
  background-image: 
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.06) 1px, transparent 0);
  background-size: 24px 24px;
  overflow: hidden;
}

#breadboard-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* --- Right Property Inspector --- */
.right-panel {
  width: 310px;
  flex: 0 0 310px;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  z-index: 10;
}

.inspector-container {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  background-color: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.circuit-checker-container {
  flex: 0 0 auto;
  max-height: 42%;
  overflow: auto;
  border-top: 1px solid var(--border-color);
}

.checker-panel {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.checker-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
}

.checker-header select,
.checker-results {
  width: 100%;
  min-width: 0;
  font-size: 11px;
}

.checker-idle,
.checker-loading,
.checker-results {
  color: var(--text-secondary);
  font-size: 11px;
  line-height: 1.4;
}

.checker-ok {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid #10b981;
  color: #d1fae5;
  border-radius: 6px;
  padding: 8px 10px;
  margin-bottom: 8px;
}

.checker-icon-ok {
  color: #34d399;
  font-weight: 800;
}

.checker-results .issue-card {
  margin-bottom: 8px;
  padding: 8px 10px;
}

.checker-results .issue-error { border-left: 3px solid #ef4444; }
.checker-results .issue-warn { border-left: 3px solid #f59e0b; }
.checker-results .issue-info { border-left: 3px solid #38bdf8; }

.issue-header {
  display: flex;
  gap: 6px;
  align-items: flex-start;
  margin-bottom: 4px;
}

.issue-why,
.issue-fix {
  margin-top: 3px;
}

.issue-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.issue-btn {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 11px;
  padding: 3px 8px;
  cursor: pointer;
}

.issue-btn.fix-btn {
  background: #0e7490;
  color: white;
  border-color: #0e7490;
}

.inspector-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.inspector-title {
  font-size: 13px;
  font-weight: 700;
}

.inspector-badge {
  font-size: 10px;
  font-weight: 700;
  background-color: var(--bg-primary);
  color: var(--accent-cyan);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.inspector-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.inspector-empty {
  padding: 32px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.5;
}

.stats-box {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
}

.quick-shortcuts {
  width: 100%;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}

.shortcut-item {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

kbd {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  border: 1px solid var(--border-light);
}

/* Forms & Inputs */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  outline: none;
}

.form-input:focus {
  border-color: var(--accent-cyan);
}

.input-with-unit {
  display: flex;
  align-items: center;
}

.input-with-unit .form-input {
  flex: 1;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.unit-badge {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-left: none;
  padding: 8px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  border-top-right-radius: var(--radius-sm);
  border-bottom-right-radius: var(--radius-sm);
}

/* Potentiometer slider box */
.pot-control-box {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.range-slider {
  width: 100%;
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.pot-readouts {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--border-color);
  color: var(--text-secondary);
}

/* Pins status table */
.pins-table {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 11px;
  overflow: hidden;
}

.pins-header {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  padding: 6px 10px;
  background-color: var(--bg-tertiary);
  font-weight: 700;
  color: var(--text-secondary);
}

.pin-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border-color);
}

.pin-row:last-child {
  border-bottom: none;
}

.pin-row.floating {
  color: var(--accent-amber);
}

.pin-row.connected {
  color: var(--text-primary);
}

.pin-net {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-cyan);
}

/* Wire endpoints chips */
.wire-endpoints {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hole-chip {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-amber);
}

.net-display {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-cyan);
}

.color-palette-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 6px;
}

.color-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s;
}

.color-btn:hover {
  transform: scale(1.15);
}

.color-btn.active {
  border-color: #FFFFFF;
}

/* Buttons */
.inspector-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.btn {
  flex: 1;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--border-light);
}

.btn-danger {
  background-color: rgba(239, 68, 68, 0.15);
  border-color: var(--accent-rose);
  color: var(--accent-rose);
}

.btn-danger:hover {
  background-color: rgba(239, 68, 68, 0.25);
}

/* --- Issues Diagnostics Drawer --- */
.issues-drawer {
  position: absolute;
  bottom: 0;
  left: 290px;
  right: 310px;
  height: 240px;
  background-color: var(--bg-secondary);
  border-top: 2px solid var(--border-color);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.4);
  transform: translateY(100%);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  z-index: 15;
}

.issues-drawer.open {
  transform: translateY(0);
}

.drawer-header {
  padding: 10px 16px;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-title {
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.drawer-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 16px;
  cursor: pointer;
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.issues-clean {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-secondary);
  text-align: center;
  gap: 8px;
}

.clean-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
}

.issue-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  border-left: 4px solid var(--border-color);
}

.issue-card.error {
  border-left-color: var(--accent-rose);
}

.issue-card.warning {
  border-left-color: var(--accent-amber);
}

.issue-card.info {
  border-left-color: var(--accent-cyan);
}

.issue-title-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.issue-badge {
  font-size: 9px;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 4px;
}

.issue-badge.error {
  background-color: rgba(239, 68, 68, 0.2);
  color: var(--accent-rose);
}

.issue-badge.warning {
  background-color: rgba(245, 158, 11, 0.2);
  color: var(--accent-amber);
}

.issue-name {
  font-size: 12px;
  color: var(--text-primary);
}

.issue-msg {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Append Instruments Styles to src/styles.css */

/* --- Top Toolbar First Test Button --- */
.tool-btn.test-btn {
  background: linear-gradient(135deg, #059669, #10B981);
  color: #FFFFFF;
  border: 1px solid #34D399;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.3);
}

.tool-btn.test-btn:hover {
  background: linear-gradient(135deg, #047857, #059669);
  transform: translateY(-1px);
}

/* --- Instruments Workbench Rack --- */
.instruments-rack {
  background-color: #0B1120;
  border-bottom: 2px solid var(--border-color);
  padding: 16px;
  display: flex;
  flex-wrap: nowrap;
  gap: 16px;
  /* One row, full panel height. Extra panels scroll inside this strip.
     Cap the strip so the breadboard underneath always keeps room. */
  flex: 0 1 auto;
  min-height: 0;
  max-height: calc(100vh - 54px - 180px);
  overflow: auto;
  align-items: flex-start;
  z-index: 15;
  box-shadow: inset 0 -4px 12px rgba(0, 0, 0, 0.5);
  box-sizing: border-box;
}

.instrument-dock-item {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
  user-select: none;
}

.instrument-dock-item.dragging {
  opacity: 0.45;
  transform: scale(0.98);
}

/* Base Instrument Enclosure (Height: auto, no overflow clipping) */
.instrument-box {
  background: #182234;
  border: 2px solid #334155;
  border-radius: var(--radius-md);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  height: auto;
  min-height: fit-content;
  box-sizing: border-box;
}

.instrument-header {
  background: linear-gradient(180deg, #1E293B, #0F172A);
  border-bottom: 1px solid var(--border-color);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
}

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

.drag-handle {
  cursor: grab;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1;
  padding: 2px 4px;
  border-radius: 3px;
  transition: color 0.15s, background-color 0.15s;
}

.drag-handle:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}

.drag-handle:active {
  cursor: grabbing;
}

.instrument-badge {
  font-size: 9px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.scope-badge {
  background-color: rgba(250, 204, 21, 0.2);
  color: #FACC15;
  border: 1px solid rgba(250, 204, 21, 0.4);
}

.fg-badge {
  background-color: rgba(56, 189, 248, 0.2);
  color: #38BDF8;
  border: 1px solid rgba(56, 189, 248, 0.4);
}

.ps-badge {
  background-color: rgba(239, 68, 68, 0.2);
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.instrument-name {
  font-size: 12px;
  color: var(--text-primary);
  font-weight: 700;
}

.inst-power-btn {
  background-color: #0F172A;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: 10px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.inst-power-btn.on {
  border-color: #10B981;
}

.led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.led.green {
  background-color: #10B981;
  box-shadow: 0 0 6px #10B981;
}

.led.red {
  background-color: #64748B;
}

/* --- Scope Enclosure Styling --- */
.scope-box {
  width: 680px;
  min-width: 580px;
  flex-shrink: 0;
}

.scope-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.inst-btn {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}

.inst-btn:hover {
  background-color: var(--bg-tertiary);
}

.inst-btn.active {
  background-color: var(--accent-cyan);
  color: #0F172A;
}

.inst-btn.run {
  background-color: #059669;
  color: white;
  border-color: #10B981;
}

.inst-btn.stop {
  background-color: #DC2626;
  color: white;
  border-color: #EF4444;
}

.scope-body {
  display: flex;
  background-color: #090F1A;
  box-sizing: border-box;
}

.scope-error-banner {
  display: none;
  background: #dc2626;
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.35;
  padding: 6px 10px;
}

.scope-error-banner.visible {
  display: block;
}

.scope-screen-wrapper {
  flex: 1;
  background-color: #040810;
  display: flex;
  flex-direction: column;
  border-right: 2px solid var(--border-color);
  position: relative;
}

#scope-screen-canvas {
  width: 100%;
  height: 250px;
  display: block;
}

.scope-measurements-bar {
  background-color: #0F172A;
  border-top: 1px solid #1E293B;
  padding: 6px 10px;
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  font-family: var(--font-mono);
}

.meas-ch1, .meas-ch2 {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ch-tag {
  font-weight: 800;
  padding: 1px 4px;
  border-radius: 3px;
}

.ch-tag.ch1 {
  background-color: rgba(250, 204, 21, 0.2);
  color: #FACC15;
}

.ch-tag.ch2 {
  background-color: rgba(56, 189, 248, 0.2);
  color: #38BDF8;
}

/* Scope Controls Deck */
.scope-controls-deck {
  width: 210px;
  background-color: #111A2E;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-sizing: border-box;
}

.control-section {
  background-color: #0B1322;
  border: 1px solid #1E293B;
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-sizing: border-box;
}

.section-label {
  font-size: 10px;
  font-weight: 800;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #1E293B;
  padding-bottom: 3px;
}

.ch1-label span { color: #FACC15; }
.ch2-label span { color: #38BDF8; }

.control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
}

.inst-select {
  background-color: #0F172A;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 11px;
  padding: 3px 6px;
  border-radius: 4px;
  outline: none;
  box-sizing: border-box;
}

.inst-slider {
  width: 90px;
  accent-color: var(--accent-cyan);
}

.btn-group-sm {
  display: flex;
  gap: 2px;
}

.btn-sm {
  background-color: #0F172A;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  cursor: pointer;
}

.btn-sm.active {
  background-color: var(--accent-cyan);
  color: #0F172A;
  border-color: var(--accent-cyan);
}

/* Terminals Footer Bar (Unified across all instruments) */
.scope-terminals-bar, .fg-terminals-bar, .ps-terminals-bar {
  background: #0B1120;
  border-top: 1px solid var(--border-color);
  padding: 10px 16px 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-sizing: border-box;
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

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

.term-bar-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ch1-color { color: #FACC15; }
.ch2-color { color: #38BDF8; }

/* Interactive BNC / Binding Post Terminals */
.terminal-post {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background-color: #0F172A;
  border: 1.5px solid var(--border-light);
  border-radius: 20px;
  padding: 4px 10px 4px 6px;
  cursor: pointer;
  user-select: none;
  font-size: 11px;
  font-weight: 700;
  transition: all 0.15s ease;
  box-sizing: border-box;
  flex-shrink: 0;
}

.terminal-post:hover {
  transform: translateY(-2px);
  border-color: #FFFFFF;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.bnc-ring, .binding-post {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid #CBD5E1;
  position: relative;
  flex-shrink: 0;
}

.bnc-ring::after {
  content: '';
  position: absolute;
  top: 4px;
  left: 4px;
  width: 4px;
  height: 4px;
  background-color: #CBD5E1;
  border-radius: 50%;
}

.ch1-ring { background-color: #FACC15; border-color: #CA8A04; }
.ch2-ring { background-color: #38BDF8; border-color: #0284C7; }
.red-ring, .red-post { background-color: #EF4444; border-color: #B91C1C; }
.gnd-ring, .black-post { background-color: #111827; border-color: #475569; }

/* --- Function Generator Enclosure (Width 420px, height: auto) --- */
.fg-box {
  width: 420px;
  min-width: 420px;
  box-sizing: border-box;
}

.fg-body {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-sizing: border-box;
  height: auto;
  overflow: visible;
}

.fg-lcd {
  background-color: #042F2E;
  border: 2px solid #115E59;
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: #2DD4BF;
  font-family: var(--font-mono);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.6);
  box-sizing: border-box;
}

.lcd-label {
  font-size: 8px;
  font-weight: 800;
  color: #14B8A6;
  letter-spacing: 0.8px;
}

.lcd-main {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 2px 0;
}

.lcd-value {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 1px;
}

.lcd-unit {
  font-size: 13px;
  font-weight: 700;
}

.lcd-sub {
  font-size: 10px;
  display: flex;
  gap: 10px;
  border-top: 1px dashed rgba(20, 184, 166, 0.3);
  padding-top: 4px;
  color: #5EEAD4;
}

.hint-pill {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 11px;
  color: #FCD34D;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
}

.btn-xs {
  background-color: #F59E0B;
  color: #0F172A;
  border: none;
  font-size: 9px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 3px;
  cursor: pointer;
}

/* Two-column grid with minmax(0, 1fr) */
.fg-controls-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  width: 100%;
  box-sizing: border-box;
}

.control-col {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
  box-sizing: border-box;
}

.control-col.full-width {
  grid-column: 1 / -1;
}

.control-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
}

.waveform-btn-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  width: 100%;
  box-sizing: border-box;
}

.wave-btn {
  background: #0F172A;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 700;
  padding: 5px 2px;
  border-radius: 3px;
  cursor: pointer;
  width: 100%;
  box-sizing: border-box;
}

.wave-btn.active {
  background: #0284C7;
  color: white;
  border-color: #38BDF8;
}

.input-with-unit {
  display: flex;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
}

.input-with-unit .form-input {
  flex: 1;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-with-unit .unit-select {
  flex-shrink: 0;
  width: 72px;
  min-width: 72px;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  border-left: none;
  background-color: var(--bg-tertiary);
  font-weight: 700;
}

.title-with-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.toggle-switch-sm {
  display: flex;
  gap: 2px;
}

/* --- DC Power Supply Enclosure --- */
.ps-box {
  width: 290px;
  min-width: 290px;
  box-sizing: border-box;
}

.ps-body {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-sizing: border-box;
  height: auto;
  overflow: visible;
}

.ps-meters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  box-sizing: border-box;
}

.meter-box {
  background: #000000;
  border: 2px solid #1E293B;
  border-radius: var(--radius-sm);
  padding: 6px;
  text-align: center;
  box-sizing: border-box;
}

.meter-label {
  font-size: 8px;
  font-weight: 800;
  color: #64748B;
  display: block;
}

.seven-segment {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 1px;
  margin-top: 2px;
}

.red-display {
  color: #EF4444;
  text-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
}

.blue-display {
  color: #38BDF8;
  text-shadow: 0 0 8px rgba(56, 189, 248, 0.5);
}

.ps-presets {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
  box-sizing: border-box;
}

.preset-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  width: 100%;
}

.preset-btn {
  background: #0F172A;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 700;
  padding: 3px 6px;
  border-radius: 3px;
  cursor: pointer;
  box-sizing: border-box;
}

.preset-btn.active {
  background: #DC2626;
  color: white;
  border-color: #EF4444;
}

.ps-slider-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  box-sizing: border-box;
}

.num-sm {
  width: 60px;
  padding: 2px 4px;
  font-size: 11px;
}

.ps-slider {
  accent-color: #EF4444;
  width: 100%;
}

/* --- FFT Modal --- */
.fft-modal {
  position: absolute;
  top: 36px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  background-color: #090F1A;
  border: 2px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.8);
  display: none;
  flex-direction: column;
  z-index: 50;
  padding: 10px;
}

.fft-modal.open {
  display: flex;
}

.fft-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
  margin-bottom: 8px;
  font-size: 12px;
}

.fft-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}