:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #111a2b;
  --panel-light: #162237;
  --border: #26344a;
  --text: #eef3fc;
  --muted: #91a0b7;
  --accent: #6ee7b7;
  --blue: #85a9ff;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(ellipse at 50% 0%, #172744 0%, transparent 48%),
    var(--bg);
  line-height: 1.5;
}

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

.app-shell {
  width: min(100% - 40px, 1040px);
  margin: 0 auto;
}

.topbar {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid rgba(145, 160, 183, 0.15);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #07150f;
  background: var(--accent);
  font-size: 24px;
  font-weight: 850;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 15px;
  letter-spacing: 0.16em;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.13em;
}

.status,
.preview-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: #c2cee0;
  font-size: 10px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #f2bd68;
}

.intro {
  max-width: 680px;
  padding: 66px 0 42px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.17em;
}

.intro h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 68px);
  font-weight: 750;
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.intro h1 span {
  color: var(--accent);
}

.intro-copy {
  max-width: 520px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.workspace,
.capabilities {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: rgba(17, 26, 43, 0.88);
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.section-heading .eyebrow {
  margin-bottom: 4px;
}

h2 {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.025em;
}

.preview-tag {
  color: var(--blue);
  border-color: rgba(133, 169, 255, 0.25);
}

.camera-panel {
  position: relative;
  display: grid;
  min-height: 330px;
  overflow: hidden;
  place-items: center;
  border: 1px solid #2a3b54;
  border-radius: 14px;
  background: #0c1423;
}

.camera-grid {
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background-image:
    linear-gradient(rgba(103, 138, 176, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103, 138, 176, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, black, transparent 95%);
}

.camera-placeholder {
  position: relative;
  z-index: 1;
  width: min(90%, 390px);
  padding: 35px 0;
  text-align: center;
}

.camera-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
  border: 1px solid #31415a;
  border-radius: 17px;
  background: #162338;
}

.camera-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.camera-placeholder h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.camera-placeholder p {
  margin: 0 auto 20px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.waiting-label {
  display: inline-block;
  padding: 8px 11px;
  border: 1px solid #31415a;
  border-radius: 6px;
  color: #b6c5d9;
  font-size: 9px;
  letter-spacing: 0.1em;
}

.corner {
  position: absolute;
  z-index: 2;
  width: 18px;
  height: 18px;
  border-color: var(--accent);
  border-style: solid;
  opacity: 0.8;
}

.corner-tl {
  top: 14px;
  left: 14px;
  border-width: 2px 0 0 2px;
}

.corner-tr {
  top: 14px;
  right: 14px;
  border-width: 2px 2px 0 0;
}

.corner-bl {
  bottom: 14px;
  left: 14px;
  border-width: 0 0 2px 2px;
}

.corner-br {
  right: 14px;
  bottom: 14px;
  border-width: 0 2px 2px 0;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.metric {
  min-width: 0;
  padding: 17px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-light);
}

.metric-label,
.metric-note {
  display: block;
}

.metric-label {
  color: #b5c2d6;
  font-size: 9px;
  letter-spacing: 0.09em;
}

.metric strong {
  display: block;
  margin: 9px 0 4px;
  font-size: 26px;
  line-height: 1.2;
}

.metric .metric-state {
  color: #f2bd68;
  font-size: 18px;
}

.metric-note {
  color: var(--muted);
  font-size: 11px;
}

.capabilities {
  margin-top: 18px;
}

.capabilities h2 {
  margin-bottom: 20px;
}

.object-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.object-list span {
  padding: 8px 12px;
  border: 1px solid #2b3a50;
  border-radius: 8px;
  background: #152136;
  color: #d3deed;
  font-size: 12px;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 26px 0 32px;
  color: #8391a7;
  font-size: 10px;
}

.footer-separator {
  padding: 0 5px;
  color: var(--accent);
}

@media (max-width: 600px) {
  .app-shell {
    width: min(100% - 24px, 1040px);
  }

  .topbar {
    min-height: 72px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .brand strong {
    font-size: 13px;
  }

  .brand small {
    font-size: 8px;
  }

  .status {
    padding: 7px;
    font-size: 8px;
  }

  .intro {
    padding: 48px 0 30px;
  }

  .workspace,
  .capabilities {
    padding: 16px;
    border-radius: 15px;
  }

  .camera-panel {
    min-height: 280px;
  }

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

  .metric {
    padding: 14px;
  }

  .metric strong {
    font-size: 23px;
  }

  footer {
    flex-direction: column;
    gap: 7px;
  }
}



/* Webcam preview */
.camera-panel video {
  display: none;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #080d17;
}

.camera-panel video.camera-active {
  display: block;
}

.camera-panel .camera-grid {
  pointer-events: none;
  z-index: 1;
}

.camera-panel .camera-placeholder[hidden] {
  display: none;
}

.camera-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
}

.camera-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 9px;
  font: inherit;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
  transition: opacity 0.2s, background 0.2s;
}

.camera-button.primary {
  color: #07150f;
  background: var(--accent);
  border-color: var(--accent);
}

.camera-button.secondary {
  color: var(--text);
  background: var(--panel-light);
}

.camera-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.camera-button:not(:disabled):hover {
  opacity: 0.85;
}

.privacy-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
}

.privacy-note .status-dot {
  background: var(--accent);
}

@media (max-width: 600px) {
  .camera-controls {
    align-items: stretch;
  }

  .camera-button {
    flex: 1;
  }

  .privacy-note {
    width: 100%;
    margin-top: 3px;
  }
}