/**
 * Pilot Design System - Technical Patterns
 * 
 * CSS patterns for technical diagrams, system labeling, and
 * retro-technical visual language.
 */

/* ============================================
   TECHNICAL GRID PATTERNS
   ============================================ */

.pilot-grid-bg {
  background-image: 
    linear-gradient(to right, var(--color-pilot-grid, #d4d4d4) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-pilot-grid, #d4d4d4) 1px, transparent 1px);
  background-size: var(--pilot-grid-size, 8px) var(--pilot-grid-size, 8px);
}

.pilot-grid-dots {
  background-image: radial-gradient(circle, var(--color-pilot-grid, #d4d4d4) 1px, transparent 1px);
  background-size: var(--pilot-grid-size, 8px) var(--pilot-grid-size, 8px);
}

.pilot-grid-crosses {
  background-image: 
    linear-gradient(to right, var(--color-pilot-grid, #d4d4d4) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-pilot-grid, #d4d4d4) 1px, transparent 1px),
    radial-gradient(circle, var(--color-pilot-grid, #d4d4d4) 1px, transparent 1px);
  background-size: 
    var(--pilot-grid-size, 8px) var(--pilot-grid-size, 8px),
    var(--pilot-grid-size, 8px) var(--pilot-grid-size, 8px),
    calc(var(--pilot-grid-size, 8px) * 4) calc(var(--pilot-grid-size, 8px) * 4);
}

/* ============================================
   TECHNICAL BORDERS & FRAMES
   ============================================ */

.pilot-border {
  border: var(--border-width-technical, 1.5px) solid var(--color-border-technical, #1a1a1a);
  position: relative;
}

.pilot-border-corners::before,
.pilot-border-corners::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-border-technical, #1a1a1a);
}

.pilot-border-corners::before {
  top: -2px;
  left: -2px;
  border-right: none;
  border-bottom: none;
}

.pilot-border-corners::after {
  bottom: -2px;
  right: -2px;
  border-left: none;
  border-top: none;
}

.pilot-border-brackets {
  position: relative;
  padding: var(--spacing-4, 1rem);
}

.pilot-border-brackets::before,
.pilot-border-brackets::after {
  content: '';
  position: absolute;
  font-family: var(--font-mono, 'IBM Plex Mono', monospace);
  font-size: var(--font-size-2xl, 1.5rem);
  color: var(--color-border-technical, #1a1a1a);
  line-height: 1;
}

.pilot-border-brackets::before {
  content: '[';
  top: 0;
  left: 0;
}

.pilot-border-brackets::after {
  content: ']';
  bottom: 0;
  right: 0;
}

.pilot-frame {
  border: 2px solid var(--color-border-technical, #1a1a1a);
  position: relative;
  padding: var(--spacing-6, 1.5rem);
}

.pilot-frame::before,
.pilot-frame::after,
.pilot-frame > *::before,
.pilot-frame > *::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border-technical, #1a1a1a);
}

.pilot-frame::before {
  top: -2px;
  left: -2px;
  border-right: none;
  border-bottom: none;
}

.pilot-frame::after {
  top: -2px;
  right: -2px;
  border-left: none;
  border-bottom: none;
}

.pilot-frame > *::before {
  bottom: -2px;
  left: -2px;
  border-right: none;
  border-top: none;
}

.pilot-frame > *::after {
  bottom: -2px;
  right: -2px;
  border-left: none;
  border-top: none;
}

/* ============================================
   TECHNICAL LABELS & ANNOTATIONS
   ============================================ */

.pilot-label {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-technical, 'JetBrains Mono', monospace);
  font-size: var(--font-size-xs, 0.75rem);
  font-weight: var(--font-weight-medium, 500);
  letter-spacing: var(--letter-spacing-technical, 0.05em);
  text-transform: uppercase;
  color: var(--color-pilot-annotation, #525252);
  background: var(--color-background-primary, #ffffff);
  padding: var(--spacing-1, 0.25rem) var(--spacing-2, 0.5rem);
  border: 1px solid var(--color-border-primary, #b3b3b3);
}

.pilot-label-boxed {
  border: 2px solid var(--color-border-technical, #1a1a1a);
  background: var(--color-background-technical, #f5f5f5);
  position: relative;
}

.pilot-label-boxed::before,
.pilot-label-boxed::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--color-border-technical, #1a1a1a);
}

.pilot-label-boxed::before {
  top: -2px;
  left: -2px;
}

.pilot-label-boxed::after {
  bottom: -2px;
  right: -2px;
}

.pilot-label-code {
  font-family: var(--font-mono, 'IBM Plex Mono', monospace);
  text-transform: none;
  letter-spacing: var(--letter-spacing-code, 0.01em);
  background: var(--color-background-code, #e5e5e5);
  border-radius: var(--border-radius-sm, 0.125rem);
}

.pilot-label-code::before {
  content: '<';
  opacity: 0.5;
  margin-right: var(--spacing-1, 0.25rem);
}

.pilot-label-code::after {
  content: '>';
  opacity: 0.5;
  margin-left: var(--spacing-1, 0.25rem);
}

.pilot-annotation {
  position: relative;
  padding: var(--spacing-4, 1rem);
  border: 1px dashed var(--color-border-dashed, #8a8a8a);
  background: var(--color-background-technical, #f5f5f5);
}

.pilot-annotation::before {
  content: attr(data-label);
  position: absolute;
  top: 0;
  left: var(--spacing-4, 1rem);
  transform: translateY(-50%);
  font-family: var(--font-technical, 'JetBrains Mono', monospace);
  font-size: var(--font-size-2xs, 0.625rem);
  font-weight: var(--font-weight-semibold, 600);
  letter-spacing: var(--letter-spacing-technical, 0.05em);
  text-transform: uppercase;
  color: var(--color-pilot-annotation, #525252);
  background: var(--color-background-primary, #ffffff);
  padding: 0 var(--spacing-2, 0.5rem);
}

.pilot-annotation-corners::before,
.pilot-annotation-corners::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px dashed var(--color-border-dashed, #8a8a8a);
}

.pilot-annotation-corners::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.pilot-annotation-corners::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

/* ============================================
   TECHNICAL MEASUREMENT LINES
   ============================================ */

.pilot-measurement {
  display: flex;
  align-items: center;
  gap: var(--spacing-2, 0.5rem);
  font-family: var(--font-technical, 'JetBrains Mono', monospace);
  font-size: var(--font-size-xs, 0.75rem);
  color: var(--color-pilot-measurement, #8a8a8a);
  letter-spacing: var(--letter-spacing-technical, 0.05em);
}

.pilot-measurement-line {
  flex: 1;
  height: 1px;
  background: var(--color-pilot-measurement, #8a8a8a);
  position: relative;
}

.pilot-measurement-line::before,
.pilot-measurement-line::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  border-top: 1px solid var(--color-pilot-measurement, #8a8a8a);
  border-left: 1px solid var(--color-pilot-measurement, #8a8a8a);
  top: -3px;
}

.pilot-measurement-line::before {
  left: 0;
  transform: rotate(-45deg);
}

.pilot-measurement-line::after {
  right: 0;
  transform: rotate(135deg);
}

.pilot-measurement-vertical {
  flex-direction: column;
}

.pilot-measurement-vertical .pilot-measurement-line {
  width: 1px;
  height: 40px;
  flex: none;
}

.pilot-measurement-vertical .pilot-measurement-line::before,
.pilot-measurement-vertical .pilot-measurement-line::after {
  left: -3px;
  border-top: none;
  border-right: 1px solid var(--color-pilot-measurement, #8a8a8a);
}

.pilot-measurement-vertical .pilot-measurement-line::before {
  top: 0;
  transform: rotate(45deg);
}

.pilot-measurement-vertical .pilot-measurement-line::after {
  top: auto;
  bottom: 0;
  transform: rotate(-135deg);
}

/* ============================================
   TECHNICAL CONNECTORS & LINES
   ============================================ */

.pilot-line {
  height: 1px;
  background: var(--color-border-primary, #b3b3b3);
  position: relative;
}

.pilot-line-dashed {
  background: repeating-linear-gradient(
    to right,
    var(--color-border-dashed, #8a8a8a) 0,
    var(--color-border-dashed, #8a8a8a) 8px,
    transparent 8px,
    transparent 16px
  );
}

.pilot-line-dotted {
  background: repeating-linear-gradient(
    to right,
    var(--color-border-dashed, #8a8a8a) 0,
    var(--color-border-dashed, #8a8a8a) 2px,
    transparent 2px,
    transparent 8px
  );
}

.pilot-connector {
  display: flex;
  align-items: center;
  gap: var(--spacing-2, 0.5rem);
}

.pilot-connector-arrow::after {
  content: '→';
  font-family: var(--font-mono, 'IBM Plex Mono', monospace);
  color: var(--color-border-technical, #1a1a1a);
}

.pilot-connector-dots::after {
  content: '···';
  font-family: var(--font-mono, 'IBM Plex Mono', monospace);
  letter-spacing: 0.2em;
  color: var(--color-border-primary, #b3b3b3);
}

/* ============================================
   TECHNICAL MODULES & CONTAINERS
   ============================================ */

.pilot-module {
  border: var(--border-width-technical, 1.5px) solid var(--color-border-technical, #1a1a1a);
  background: var(--color-background-primary, #ffffff);
  position: relative;
  padding: var(--spacing-4, 1rem);
}

.pilot-module::before {
  content: attr(data-id);
  position: absolute;
  top: 0;
  left: var(--spacing-3, 0.75rem);
  transform: translateY(-50%);
  font-family: var(--font-technical, 'JetBrains Mono', monospace);
  font-size: var(--font-size-2xs, 0.625rem);
  font-weight: var(--font-weight-semibold, 600);
  letter-spacing: var(--letter-spacing-technical, 0.05em);
  text-transform: uppercase;
  color: var(--color-text-tertiary, #6b6b6b);
  background: var(--color-background-primary, #ffffff);
  padding: 0 var(--spacing-2, 0.5rem);
}

.pilot-module-header {
  border-bottom: 1px solid var(--color-border-secondary, #d4d4d4);
  padding-bottom: var(--spacing-3, 0.75rem);
  margin-bottom: var(--spacing-3, 0.75rem);
  font-family: var(--font-technical, 'JetBrains Mono', monospace);
  font-size: var(--font-size-xs, 0.75rem);
  font-weight: var(--font-weight-semibold, 600);
  letter-spacing: var(--letter-spacing-technical, 0.05em);
  text-transform: uppercase;
  color: var(--color-text-secondary, #525252);
  display: flex;
  align-items: center;
  gap: var(--spacing-2, 0.5rem);
}

.pilot-module-header::before {
  content: '▸';
  color: var(--color-text-tertiary, #6b6b6b);
}

/* ============================================
   TECHNICAL STATUS INDICATORS
   ============================================ */

.pilot-status {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2, 0.5rem);
}

.pilot-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gray-400, #8a8a8a);
  border: 2px solid var(--color-background-primary, #ffffff);
  box-shadow: 0 0 0 1px var(--color-gray-300, #b3b3b3);
}

.pilot-status-dot.success {
  background: var(--color-feedback-success, #16a34a);
  box-shadow: 0 0 0 1px var(--color-green-300, #86efac);
}

.pilot-status-dot.warning {
  background: var(--color-feedback-warning, #d97706);
  box-shadow: 0 0 0 1px var(--color-amber-300, #fcd34d);
}

.pilot-status-dot.error {
  background: var(--color-feedback-error, #dc2626);
  box-shadow: 0 0 0 1px var(--color-red-300, #fca5a5);
}

.pilot-status-dot.pulse {
  animation: status-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes status-pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.9);
  }
}

.pilot-status-label {
  font-family: var(--font-technical, 'JetBrains Mono', monospace);
  font-size: var(--font-size-xs, 0.75rem);
  font-weight: var(--font-weight-medium, 500);
  letter-spacing: var(--letter-spacing-technical, 0.05em);
  text-transform: uppercase;
  color: var(--color-text-secondary, #525252);
}

/* ============================================
   TECHNICAL TERMINAL & CODE STYLING
   ============================================ */

.pilot-terminal {
  background: var(--color-black-300, #1a1a1a);
  border: 2px solid var(--color-black-400, #242424);
  font-family: var(--font-mono, 'IBM Plex Mono', monospace);
  color: var(--color-gray-200, #d4d4d4);
}

.pilot-terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-2, 0.5rem) var(--spacing-4, 1rem);
  background: var(--color-black-400, #242424);
  border-bottom: 1px solid var(--color-black-500, #2d2d2d);
}

.pilot-terminal-title {
  font-size: var(--font-size-xs, 0.75rem);
  font-weight: var(--font-weight-medium, 500);
  letter-spacing: var(--letter-spacing-technical, 0.05em);
  text-transform: uppercase;
  color: var(--color-gray-500, #6b6b6b);
}

.pilot-terminal-body {
  padding: var(--spacing-4, 1rem);
  font-size: var(--font-size-sm, 0.875rem);
  line-height: var(--line-height-technical, 1.2);
}

.pilot-terminal-prompt {
  color: var(--color-amber-500, #f59e0b);
  user-select: none;
  margin-right: var(--spacing-2, 0.5rem);
}

.pilot-terminal-prompt::after {
  content: '$';
}

.pilot-code {
  font-family: var(--font-mono, 'IBM Plex Mono', monospace);
  font-size: var(--font-size-sm, 0.875rem);
  background: var(--color-background-code, #e5e5e5);
  padding: var(--spacing-0-5, 0.125rem) var(--spacing-2, 0.5rem);
  border-radius: var(--border-radius-sm, 0.125rem);
  color: var(--color-text-code, #2a2a2a);
}

.pilot-code-block {
  background: var(--color-background-code, #e5e5e5);
  border: 1px solid var(--color-border-secondary, #d4d4d4);
  border-radius: var(--border-radius-none, 0);
  overflow: hidden;
}

.pilot-code-block pre {
  margin: 0;
  padding: var(--spacing-6, 1.5rem);
  font-family: var(--font-mono, 'IBM Plex Mono', monospace);
  font-size: var(--font-size-sm, 0.875rem);
  line-height: var(--line-height-technical, 1.2);
  overflow-x: auto;
}

/* ============================================
   TECHNICAL DIAGRAM ELEMENTS
   ============================================ */

.pilot-diagram {
  position: relative;
  padding: var(--spacing-8, 2rem);
  background: var(--color-background-technical, #f5f5f5);
  border: 1px solid var(--color-border-secondary, #d4d4d4);
}

.pilot-diagram-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  background-image: 
    linear-gradient(to right, var(--color-pilot-grid, #d4d4d4) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-pilot-grid, #d4d4d4) 1px, transparent 1px);
  background-size: calc(var(--pilot-grid-size, 8px) * 4) calc(var(--pilot-grid-size, 8px) * 4);
  opacity: 0.5;
}

.pilot-node {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3, 0.75rem) var(--spacing-4, 1rem);
  background: var(--color-background-primary, #ffffff);
  border: var(--border-width-technical, 1.5px) solid var(--color-border-technical, #1a1a1a);
  font-family: var(--font-technical, 'JetBrains Mono', monospace);
  font-size: var(--font-size-xs, 0.75rem);
  font-weight: var(--font-weight-medium, 500);
  letter-spacing: var(--letter-spacing-technical, 0.05em);
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

.pilot-node::before {
  content: attr(data-id);
  position: absolute;
  top: -8px;
  left: var(--spacing-2, 0.5rem);
  font-size: var(--font-size-2xs, 0.625rem);
  color: var(--color-text-tertiary, #6b6b6b);
  background: var(--color-background-technical, #f5f5f5);
  padding: 0 var(--spacing-1, 0.25rem);
}

.pilot-connector-path {
  stroke: var(--color-border-technical, #1a1a1a);
  stroke-width: 1.5px;
  fill: none;
}

.pilot-connector-path.dashed {
  stroke-dasharray: 8, 4;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.pilot-text {
  font-family: var(--font-technical, 'JetBrains Mono', monospace);
  letter-spacing: var(--letter-spacing-technical, 0.05em);
  text-transform: uppercase;
}

.pilot-mono {
  font-family: var(--font-mono, 'IBM Plex Mono', monospace);
  letter-spacing: var(--letter-spacing-code, 0.01em);
}

.pilot-industrial {
  font-family: var(--font-industrial, 'Chakra Petch', sans-serif);
  font-weight: var(--font-weight-bold, 700);
  letter-spacing: var(--letter-spacing-wider, 0.05em);
  text-transform: uppercase;
}

.pilot-uppercase {
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-technical, 0.05em);
}

.pilot-number {
  font-family: var(--font-mono, 'IBM Plex Mono', monospace);
  font-variant-numeric: tabular-nums;
}