/* Precision Technical Architecture Console Design System
 * Inspired by high-end studio instrumentation, audio engineering racks, and systems telemetry.
 * Clean, disciplined dark theme with zero AI clichés.
 */

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

@layer base {
  *, ::before, ::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
}

body {
  margin: 0;
  font-family: 'Geist', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #090b0e;
  color: #e6edf3;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Monospace font utility */
.font-mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* Hardware Instrument Chassis */
.chassis-panel {
  background-color: #0f1217;
  border: 1px solid #1f2530;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.sub-panel {
  background-color: #13171f;
  border: 1px solid #202734;
}

/* Precision Hardware Nodes */
.hardware-node {
  background-color: #141821;
  border: 1px solid #232b3b;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s;
}

.hardware-node:hover {
  border-color: #354157;
  background-color: #171c26;
}

/* Active Node States (Sharp Technical Highlights, Zero Blurry Neon) */
.node-active {
  border-color: #60a5fa !important;
  background-color: #172133 !important;
  box-shadow: 0 0 0 1px #60a5fa, 0 4px 12px rgba(96, 165, 250, 0.15) !important;
}

.node-active-emerald {
  border-color: #34d399 !important;
  background-color: #12241f !important;
  box-shadow: 0 0 0 1px #34d399, 0 4px 12px rgba(52, 211, 153, 0.15) !important;
}

.node-active-cyan {
  border-color: #38bdf8 !important;
  background-color: #13222e !important;
  box-shadow: 0 0 0 1px #38bdf8, 0 4px 12px rgba(56, 189, 248, 0.15) !important;
}

/* Tactile Push Buttons */
.btn-tactile {
  background-color: #181d26;
  border: 1px solid #2a3344;
  color: #d1d9e0;
  border-radius: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.btn-tactile:hover {
  background-color: #1e2430;
  border-color: #3a475d;
  color: #ffffff;
}

.btn-tactile:active {
  transform: translateY(1px);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.4);
}

/* Primary Action Button (Deep Studio Blue, Zero Rainbow Gradients) */
.btn-primary-action {
  background-color: #1d283a;
  border: 1px solid #3b82f6;
  color: #93c5fd;
  border-radius: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(147, 197, 253, 0.15);
}

.btn-primary-action:hover {
  background-color: #24334a;
  border-color: #60a5fa;
  color: #bfdbfe;
}

.btn-primary-action:active {
  transform: translateY(1px);
  background-color: #182232;
}

/* Step Telemetry Status Banner */
.telemetry-banner {
  background-color: #10141b;
  border: 1px solid #1f2735;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
}

/* Digital Oscilloscope Screen */
.oscilloscope-screen {
  background-color: #0b0d12;
  border: 1px solid #1c222e;
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}


/* Universal Layout Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1 1 0%; }
.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.hidden { display: none; }
.block { display: block; }

.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }

.gap-1 { gap: 0.25rem; }
.gap-1\.5 { gap: 0.375rem; }
.gap-2 { gap: 0.5rem; }
.gap-2\.5 { gap: 0.625rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

.border { border-width: 1px; }
.border-t { border-top-width: 1px; }
.border-b { border-bottom-width: 1px; }
.border-r { border-right-width: 1px; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.tracking-tight { letter-spacing: -0.02em; }
.tracking-wide { letter-spacing: 0.025em; }

.text-white { color: #ffffff; }
.text-zinc-100 { color: #f0f3f6; }
.text-zinc-200 { color: #d1d9e0; }
.text-zinc-300 { color: #b1bac4; }
.text-zinc-400 { color: #8b949e; }
.text-zinc-500 { color: #656d76; }
.text-blue-300 { color: #93c5fd; }
.text-blue-400 { color: #60a5fa; }
.text-emerald-300 { color: #6ee7b7; }
.text-emerald-400 { color: #34d399; }
.text-cyan-300 { color: #7dd3fc; }
.text-cyan-400 { color: #38bdf8; }

.pointer-events-none { pointer-events: none; }
.overflow-hidden { overflow: hidden; }
.select-none { user-select: none; }


/* Global sleek subtle scrollbars for dark theme */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}