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

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: #f9f9f7;
  color: #1a1a18;
  padding: 2rem;
  line-height: 1.5;
}

header {
  display: flex;
  width: 100%;
  flex-flow: row wrap;
  justify-content: space-between;
}

.logo {
  display: inline-block;
}

.logo img {
  width: 100px;
}

h1 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 4px;
}
.subtitle {
  font-size: 13px;
  color: #5f5e5a;
  margin-bottom: 24px;
}

@media (prefers-reduced-motion: no-preference) {
  .flow-seg {
    animation: slidein 0.4s ease forwards;
  }
  @keyframes slidein {
    from {
      opacity: 0;
      transform: translateX(-12px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }
  .pulse {
    animation: pulse 1.8s ease-in-out infinite;
  }
  @keyframes pulse {
    0%,
    100% {
      opacity: 0.5;
    }
    50% {
      opacity: 1;
    }
  }
}

abbr:hover {
  cursor: help;
}

.seg-block {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 28px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  border: 0.5px solid;
  cursor: default;
  transition: all 0.2s;
  flex-shrink: 0;
}
.seg-block.q-360 {
  background: #f1efe8;
  border-color: #888780;
  color: #444441;
}
.seg-block.q-720 {
  background: #e6f1fb;
  border-color: #185fa5;
  color: #0c447c;
}
.seg-block.q-1080 {
  background: #eeedfe;
  border-color: #534ab7;
  color: #3c3489;
}
.seg-block.empty {
  background: #f5f5f3;
  border-color: #d3d1c7;
  color: #b4b2a9;
  font-size: 10px;
}

.code-tag {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  background: #f1efe8;
  border: 0.5px solid #d3d1c7;
  border-radius: 3px;
  padding: 1px 5px;
  color: #5f5e5a;
}

.box-label {
  font-size: 11px;
  color: #888780;
  margin-bottom: 6px;
}

.section-box {
  border: 0.5px solid #d3d1c7;
  border-radius: 8px;
  padding: 12px 14px;
  background: #ffffff;
}

.step-btn {
  background: #ffffff;
  border: 0.5px solid #b4b2a9;
  border-radius: 8px;
  padding: 5px 16px;
  font-size: 12px;
  color: #1a1a18;
  cursor: pointer;
}
.step-btn:hover {
  background: #f1efe8;
}
.step-btn:disabled {
  opacity: 0.3;
  cursor: default;
}

.arrow-label {
  font-size: 10px;
  color: #b4b2a9;
  text-align: center;
  margin-top: 2px;
}

.pipeline-grid {
  display: grid;
  grid-template-columns: 1fr 32px 1fr 32px 1fr 32px 1fr;
  align-items: center;
  gap: 4px;
  margin-bottom: 20px;
}

.code-panel {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  line-height: 1.8;
  color: #000;
}

.bottom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}

@media (max-width: 600px) {
  .pipeline-grid {
    grid-template-columns: 1fr;
  }
  .bottom-grid {
    grid-template-columns: 1fr;
  }
}

.color-info {
  color: #185fa5;
}
.color-muted {
  color: #b4b2a9;
}
.color-danger {
  color: #993c1d;
}
.color-strong {
  color: #1a1a18;
  font-weight: 500;
}