:root {
  --app-bg: #080b10;
  --surface: #101722;
  --surface-raised: #151f2c;
  --surface-soft: rgba(255, 255, 255, 0.055);
  --line: rgba(226, 232, 240, 0.14);
  --line-strong: rgba(226, 232, 240, 0.24);
  --text: #f8fafc;
  --text-soft: #cbd5e1;
  --muted: #8ea0b8;
  --teal: #2dd4bf;
  --teal-dark: #0f766e;
  --indigo: #818cf8;
  --blue: #38bdf8;
  --amber: #f59e0b;
  --rose: #fb7185;
  --green: #22c55e;
  --shadow: 0 18px 54px rgba(0, 0, 0, 0.34);
}

.gradio-container {
  background:
    linear-gradient(180deg, rgba(45, 212, 191, 0.08) 0, transparent 240px),
    linear-gradient(135deg, #080b10 0%, #0d1420 48%, #111827 100%) !important;
  color: var(--text) !important;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
}

.gradio-container > .main {
  max-width: 1280px !important;
  margin: 0 auto !important;
}

#hero {
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(45, 212, 191, 0.16), rgba(129, 140, 248, 0.10) 52%, rgba(245, 158, 11, 0.08)),
    rgba(16, 23, 34, 0.86);
  box-shadow: var(--shadow);
  padding: 24px;
  margin: 8px 0 18px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, var(--teal), var(--indigo));
  border: 1px solid rgba(255, 255, 255, 0.36);
  box-shadow: 0 12px 32px rgba(45, 212, 191, 0.22);
  position: relative;
  flex: 0 0 auto;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 11px;
  border: 2px solid rgba(8, 11, 16, 0.76);
  border-radius: 6px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--teal);
  font-size: 12px;
  line-height: 1.2;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

#hero h1 {
  margin: 0;
  color: var(--text);
  font-size: 42px;
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
  margin-top: 18px;
}

.hero-copy {
  max-width: 760px;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.6;
  margin: 0 0 16px;
}

.pipeline-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  max-width: 680px;
}

.pipeline-rail span {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 11, 16, 0.42);
  color: #e2e8f0;
  font-size: 13px;
  font-weight: 800;
}

.pipeline-rail span:nth-child(1) {
  border-color: rgba(45, 212, 191, 0.40);
}

.pipeline-rail span:nth-child(2) {
  border-color: rgba(34, 197, 94, 0.36);
}

.pipeline-rail span:nth-child(3) {
  border-color: rgba(129, 140, 248, 0.40);
}

.pipeline-rail span:nth-child(4) {
  border-color: rgba(245, 158, 11, 0.40);
}

.system-strip {
  min-width: 220px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 11, 16, 0.38);
  padding: 10px;
  display: grid;
  gap: 8px;
}

.system-strip span {
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.system-strip span::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.12);
}

.tabs {
  border-radius: 8px !important;
}

.tab-nav {
  border-bottom: 1px solid var(--line) !important;
}

.tab-nav button {
  color: var(--muted) !important;
}

.tab-nav button.selected {
  color: var(--text) !important;
  border-color: var(--teal) !important;
}

.demo-grid,
.brick-grid,
.diagnostic-grid {
  gap: 16px !important;
}

.panel-shell {
  border: 1px solid var(--line) !important;
  border-radius: 8px !important;
  background: rgba(16, 23, 34, 0.72) !important;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.22);
  padding: 14px !important;
}

.input-panel {
  border-color: rgba(45, 212, 191, 0.22) !important;
}

.output-panel {
  border-color: rgba(245, 158, 11, 0.24) !important;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 10px;
  margin-bottom: 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.055);
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.control-row {
  align-items: end !important;
}

.block,
.form,
.panel {
  border-radius: 8px !important;
}

.block {
  border-color: var(--line) !important;
  background: rgba(15, 23, 42, 0.60) !important;
}

label,
.label-wrap span {
  color: var(--text-soft) !important;
  font-weight: 800 !important;
}

textarea,
input,
select {
  background: rgba(8, 11, 16, 0.68) !important;
  color: var(--text) !important;
  border-color: rgba(226, 232, 240, 0.14) !important;
  border-radius: 8px !important;
  font-size: 15px !important;
}

textarea:focus,
input:focus,
select:focus,
button:focus-visible {
  outline: 2px solid rgba(45, 212, 191, 0.90) !important;
  outline-offset: 2px !important;
}

button.primary,
button {
  border-radius: 8px !important;
  font-weight: 900 !important;
  min-height: 46px !important;
  transition: transform 160ms ease, border-color 160ms ease, filter 160ms ease !important;
  touch-action: manipulation;
}

button:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

button:active {
  transform: translateY(0);
}

#run_asl,
#run_demo_asl {
  background: linear-gradient(135deg, var(--teal), var(--green)) !important;
  color: #04111a !important;
  border: none !important;
}

#run_llm,
#run_demo_llm {
  background: linear-gradient(135deg, var(--indigo), var(--blue)) !important;
  color: white !important;
  border: none !important;
}

#run_tts,
#run_demo_tts,
#run_full {
  background: linear-gradient(135deg, var(--amber), var(--rose)) !important;
  color: #111827 !important;
  border: none !important;
}

.video-container,
video {
  border-radius: 8px !important;
}

audio {
  width: 100%;
}

.json-holder,
pre,
code {
  border-radius: 8px !important;
}

.footer-note {
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  margin: 18px 0 4px;
}

@media (prefers-reduced-motion: reduce) {
  button {
    transition: none !important;
  }

  button:hover {
    transform: none;
  }
}

@media (max-width: 900px) {
  #hero {
    padding: 18px;
  }

  #hero h1 {
    font-size: 32px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .system-strip {
    min-width: 0;
  }

  .pipeline-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  #hero h1 {
    font-size: 28px;
  }

  .brand-lockup {
    align-items: flex-start;
  }

  .pipeline-rail {
    grid-template-columns: 1fr;
  }
}