src/app.css

@import 'tailwindcss';

@theme {
  --animate-fade-in: fadeIn 280ms ease both;
  --animate-blink: blink 1.05s steps(1) infinite;
  --animate-ready-pulse: readyPulse 1.6s ease-in-out infinite;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(3px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@keyframes readyPulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.55;
    transform: scale(0.9);
  }
}

@utility frame-bg {
  background: linear-gradient(
    135deg,
    #ffe98a,
    #ffffff 45%,
    #ffd21e
  );
}

@utility frame-shadow {
  box-shadow:
    0 0 0 1px rgba(255, 210, 30, 0.55),
    0 25px 80px -10px rgba(170, 125, 0, 0.35),
    0 6px 24px -4px rgba(255, 200, 30, 0.4),
    0 0 80px rgba(255, 210, 30, 0.45);
}

@utility prose-trace {
  word-break: break-word;

  p {
    margin: 0.4em 0;
  }
  p:first-child {
    margin-top: 0;
  }
  p:last-child {
    margin-bottom: 0;
  }
  h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin: 0.8em 0 0.3em;
    line-height: 1.3;
  }
  h1 { font-size: 1.25em; }
  h2 { font-size: 1.15em; }
  h3 { font-size: 1.05em; }
  h4, h5, h6 { font-size: 1em; }
  ul, ol {
    margin: 0.3em 0;
    padding-left: 1.4em;
  }
  ul { list-style: disc; }
  ol { list-style: decimal; }
  li { margin: 0.15em 0; }
  li > p { margin: 0.15em 0; }
  code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;
    font-size: 0.92em;
    background: #f5f5f2;
    border: 1px solid #eeeae0;
    border-radius: 3px;
    padding: 0 0.3em;
  }
  pre {
    background: #f5f5f2;
    border: 1px solid #eeeae0;
    border-radius: 4px;
    padding: 0.6em 0.8em;
    overflow-x: auto;
    margin: 0.5em 0;
    line-height: 1.5;
  }
  pre code {
    background: transparent;
    border: 0;
    padding: 0;
    font-size: 0.92em;
  }
  blockquote {
    border-left: 3px solid #e5e5e0;
    padding-left: 0.8em;
    color: #5f5f5c;
    margin: 0.5em 0;
  }
  a {
    color: #8b5cf6;
    text-decoration: underline;
  }
  a:hover {
    text-decoration: none;
  }
  hr {
    border: 0;
    border-top: 1px solid #eeeae0;
    margin: 0.8em 0;
  }
  table {
    border-collapse: collapse;
    margin: 0.5em 0;
    font-size: 0.95em;
  }
  th, td {
    border: 1px solid #eeeae0;
    padding: 0.3em 0.6em;
    text-align: left;
  }
  th {
    background: #faf9f5;
    font-weight: 600;
  }
  img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
  }

  .code-block {
    position: relative;
  }
  .code-block > pre {
    margin: 0.5em 0;
  }
  .copy-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    padding: 2px 8px;
    font-size: 11px;
    line-height: 1.4;
    background: #fff;
    border: 1px solid #e5e5e0;
    border-radius: 4px;
    color: #6a6a66;
    cursor: pointer;
    opacity: 0;
    transition:
      opacity 0.15s,
      color 0.15s,
      background 0.15s,
      border-color 0.15s;
    font-family: inherit;
  }
  .code-block:hover .copy-btn,
  .copy-btn:focus-visible,
  .copy-btn.copied {
    opacity: 1;
  }
  .copy-btn:hover {
    background: #faf9f5;
    color: #222220;
  }
  .copy-btn.copied {
    color: #0f5a2a;
    border-color: #bbf7d0;
    background: #f0fdf4;
  }
}

@utility prose-thinking {
  code, pre {
    background: #faf5ff;
    border-color: #e9d5ff;
  }
  blockquote {
    border-left-color: #e9d5ff;
    color: #7e22ce;
  }
}

@utility page-bg {
  background:
    radial-gradient(at 20% 20%, #fff4b8 0%, transparent 55%),
    radial-gradient(at 80% 85%, #ffbb1a 0%, transparent 60%),
    #ffd21e;
}

@utility thin-scrollbar {
  scrollbar-width: thin;
  scrollbar-color: #d0d0ca transparent;

  &::-webkit-scrollbar {
    width: 6px;
    height: 6px;
  }
  &::-webkit-scrollbar-track {
    background: transparent;
  }
  &::-webkit-scrollbar-thumb {
    background-color: #d0d0ca;
    border-radius: 3px;
  }
  &::-webkit-scrollbar-thumb:hover {
    background-color: #a8a8a0;
  }
}