* {
  box-sizing: border-box;
}

html {
  max-width: 100%;
  scroll-behavior: smooth;
  scrollbar-color: rgba(185, 255, 207, 0.48) rgba(255, 255, 255, 0.06);
}

body {
  max-width: 100%;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 10% 8%, rgba(130, 232, 255, 0.14), transparent 26rem),
    radial-gradient(circle at 82% 8%, rgba(185, 255, 207, 0.16), transparent 30rem),
    radial-gradient(circle at 56% 88%, rgba(255, 145, 189, 0.1), transparent 26rem),
    linear-gradient(140deg, #05070a, var(--bg) 44%, #0a1518);
  color: var(--text);
  font-family: var(--font-main);
  text-rendering: geometricPrecision;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 4px;
}

#app {
  position: relative;
  z-index: 2;
}

#background-grid,
#background-glow,
#particles-layer,
#noise-layer,
#scanline-overlay,
#crt-overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
}

#background-grid {
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.032) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.82), transparent 88%);
}

#background-glow {
  z-index: 0;
  background:
    radial-gradient(circle at 48% 28%, rgba(130, 232, 255, 0.08), transparent 34rem),
    radial-gradient(circle at 35% 70%, rgba(185, 255, 207, 0.07), transparent 28rem);
  animation: softPulse 10s ease-in-out infinite;
}

#particles-layer,
#noise-layer,
#scanline-overlay,
#crt-overlay {
  display: none;
}

.app-shell {
  width: calc(100% - 2rem);
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-5) 0 var(--space-10);
}

.lab-topbar {
  position: sticky;
  top: var(--space-4);
  z-index: 12;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-4);
  min-height: 70px;
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(7, 10, 13, 0.78);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px);
  min-width: 0;
}

.lab-nav,
.topbar-actions,
.hero-actions,
.signal-row,
.grid-meta,
.footer-inner,
.project-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.lab-nav {
  justify-content: center;
}

.lab-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, 0.92fr);
  gap: var(--space-5);
  margin-top: var(--space-5);
  min-width: 0;
}

.summary-grid,
#performance-overlay {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.lab-workbench {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
  margin-top: var(--space-5);
}

#telemetry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(285px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}

#footer {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.footer-inner {
  justify-content: space-between;
}