src/styles.css

@import "tailwindcss";

@theme {
  --color-bg: #0a0c0e;
  --color-chassis: #0d1014;
  --color-panel: #14181e;
  --color-panel-hi: #1c222a;
  --color-aluminum: #3a414c;
  --color-aluminum-hi: #5c6570;
  --color-screw: #2a3038;
  --color-phosphor: #7cff6b;
  --color-phosphor-dim: #3d8a34;
  --color-amber: #ffb000;
  --color-amber-dim: #a06e00;
  --color-oxide: #6b3a28;
  --color-oxide-tape: #8b4a32;
  --color-fg: #c5d0be;
  --color-muted: #6e7868;
  --color-hairline: #2a3238;
  --color-record: #c44a38;
  --font-display: "Segoe UI Variable Display", "Aptos Display", "Segoe UI", ui-sans-serif, sans-serif;
  --font-mono: "Cascadia Mono", "SFMono-Regular", Menlo, Consolas, ui-monospace, monospace;
  --font-sans: "Cascadia Mono", "SFMono-Regular", Menlo, Consolas, ui-monospace, monospace;
  --text-micro: 0.625rem;
  --text-engraved: 0.6875rem;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --grid-template-columns-16: repeat(16, minmax(0, 1fr));
  --ease-out-soft: cubic-bezier(0.22, 1, 0.36, 1);
}

@layer base {
  html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--color-bg);
    color: var(--color-fg);
  }

  html,
  body,
  #app {
    min-height: 100dvh;
  }

  body {
    margin: 0;
    font-family: var(--font-mono);
    background: var(--color-bg);
    color: var(--color-fg);
  }

  button:not(:disabled),
  [role="button"]:not(:disabled) {
    cursor: pointer;
  }

  ::selection {
    background: color-mix(in oklab, var(--color-phosphor) 35%, transparent);
    color: var(--color-bg);
  }
}

.nx-chassis {
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(124, 255, 107, 0.04), transparent 55%),
    linear-gradient(180deg, #12161c 0%, #0a0c0e 40%, #08090b 100%);
}

.nx-grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 40;
  opacity: 0.07;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.5  0 0 0 0 0.55  0 0 0 0 0.45  0 0 0 0.55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.nx-scan {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.08) 0px,
      rgba(0, 0, 0, 0.08) 1px,
      transparent 1px,
      transparent 3px
    ),
    radial-gradient(ellipse at center, transparent 50%, rgba(0, 0, 0, 0.38) 100%);
  mix-blend-mode: multiply;
  opacity: 0.55;
}

.nx-flicker {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 51;
  background: rgba(124, 255, 107, 0.012);
  animation: nxFlicker 7.4s steps(2, end) infinite;
}

@keyframes nxFlicker {
  0%,
  92%,
  100% {
    opacity: 0.4;
  }
  93% {
    opacity: 0.15;
  }
  96% {
    opacity: 0.55;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nx-flicker,
  .nx-scan {
    animation: none;
  }
  .nx-cable {
    stroke-dasharray: none !important;
    animation: none !important;
  }
  .nx-reel {
    animation: none !important;
  }
}

.nx-panel {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 28%),
    linear-gradient(180deg, #1a1f26 0%, #13171c 100%);
  border: 1px solid color-mix(in oklab, var(--color-aluminum) 55%, black);
  border-radius: var(--radius-lg);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    inset 0 -1px 0 rgba(0, 0, 0, 0.4),
    0 10px 28px rgba(0, 0, 0, 0.45);
}

.nx-screw {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: radial-gradient(circle at 35% 30%, #8a929c, #3a414c 55%, #1c2026 100%);
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.35),
    0 0 0 1px rgba(0, 0, 0, 0.55);
}

.nx-screw::after {
  content: "";
  position: absolute;
  inset: 3px 1.5px;
  background: rgba(0, 0, 0, 0.45);
  transform: rotate(28deg);
}

.nx-label {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--color-phosphor) 55%, var(--color-muted));
}

.nx-wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-phosphor);
  text-shadow: 0 0 18px color-mix(in oklab, var(--color-phosphor) 55%, transparent);
}

.nx-btn {
  font-family: var(--font-mono);
  font-size: var(--text-engraved);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-fg);
  background: linear-gradient(180deg, #2a3138, #1a1f24);
  border: 1px solid #3a424a;
  border-radius: var(--radius-sm);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 2px 0 #0a0c0e;
  transition:
    transform 150ms var(--ease-out-soft),
    color 150ms var(--ease-out-soft),
    box-shadow 150ms var(--ease-out-soft);
}

.nx-btn:hover {
  color: var(--color-phosphor);
}

.nx-btn:active {
  transform: scale(0.96) translateY(1px);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.55);
}

.nx-btn-on {
  color: var(--color-bg);
  background: linear-gradient(180deg, #9cff90, #4ad13c);
  border-color: #7cff6b;
  text-shadow: none;
  box-shadow:
    0 0 12px color-mix(in oklab, var(--color-phosphor) 45%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.nx-btn-rec {
  color: #f5d0c8;
}

.nx-btn-rec-on {
  color: #fff4f0;
  background: linear-gradient(180deg, #e06858, #a83828);
  border-color: #c44a38;
  box-shadow: 0 0 12px color-mix(in oklab, var(--color-record) 50%, transparent);
}

.nx-led {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #1a1e14;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.8);
}

.nx-led-on {
  background: var(--color-phosphor);
  box-shadow:
    0 0 8px var(--color-phosphor),
    0 0 16px color-mix(in oklab, var(--color-phosphor) 50%, transparent);
}

.nx-led-amber {
  background: var(--color-amber);
  box-shadow:
    0 0 8px var(--color-amber),
    0 0 16px color-mix(in oklab, var(--color-amber) 50%, transparent);
}

.nx-led-rec {
  background: var(--color-record);
  box-shadow: 0 0 8px var(--color-record);
}

.nx-jack {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: radial-gradient(circle at 50% 50%, #0a0c0e 0 6px, #2a3138 7px, #5c6570 9px, #1a1f24 11px);
  box-shadow:
    inset 0 2px 4px rgba(0, 0, 0, 0.8),
    0 0 0 1px #0a0c0e,
    0 1px 0 rgba(255, 255, 255, 0.12);
}

.nx-jack-hot {
  box-shadow:
    inset 0 2px 4px rgba(0, 0, 0, 0.8),
    0 0 0 1px var(--color-phosphor),
    0 0 10px color-mix(in oklab, var(--color-phosphor) 55%, transparent);
}

.nx-key {
  background: linear-gradient(180deg, #d8d2c4, #b7b09e);
  color: #1a1a16;
  border-radius: 0 0 4px 4px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    0 6px 0 #6d685c;
}

.nx-key:active,
.nx-key-on {
  transform: translateY(3px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    0 3px 0 #6d685c;
}

.nx-key-black {
  background: linear-gradient(180deg, #2a2c30, #0e1012);
  color: var(--color-fg);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 6px 0 #050607;
}

.nx-key-black:active,
.nx-key-black.nx-key-on {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 3px 0 #050607;
}

.nx-cable {
  fill: none;
  stroke-linecap: round;
  stroke-width: 2.4;
  pointer-events: stroke;
  filter: drop-shadow(0 0 4px rgba(124, 255, 107, 0.45));
  animation: nxDash 2.8s linear infinite;
}

@keyframes nxDash {
  to {
    stroke-dashoffset: -28;
  }
}

.nx-vu {
  background: linear-gradient(to top, #1c3a16, #3d8a34 40%, #7cff6b 78%, #ffb000 92%, #c44a38 100%);
}

.nx-meter {
  width: 7px;
  height: 22px;
  overflow: hidden;
  border-radius: 1px;
  background: #07090b;
  border: 1px solid var(--color-hairline);
}

.nx-meter > span {
  position: absolute;
  inset: 0;
  transform: scaleY(0.08);
  transform-origin: bottom;
  background: linear-gradient(to top, var(--color-phosphor-dim), var(--color-phosphor));
  box-shadow: 0 0 8px color-mix(in oklab, var(--color-phosphor) 55%, transparent);
}

.nx-meter {
  position: relative;
}

.nx-meter-amber {
  background: linear-gradient(to top, var(--color-amber-dim), var(--color-amber)) !important;
  box-shadow: 0 0 8px color-mix(in oklab, var(--color-amber) 55%, transparent) !important;
}

.nx-organ {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--color-hairline);
  background: var(--color-panel-hi);
  padding: 0.2rem 0.45rem;
  border-radius: 2px;
}

.nx-help kbd {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  padding: 1px 5px;
  border: 1px solid var(--color-hairline);
  border-bottom-width: 2px;
  border-radius: 3px;
  color: var(--color-amber);
}

.nx-knobs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(3.6rem, 1fr));
  justify-items: center;
  gap: 0.35rem 0.1rem;
}

.nx-tabs {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.nx-tabs::-webkit-scrollbar {
  display: none;
}

@media (min-width: 640px) {
  .nx-knobs {
    grid-template-columns: repeat(auto-fill, minmax(4.25rem, 1fr));
  }
}