GitCodeViewer/code/CSS.css at main · ada87/GitCodeViewer · GitHub

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/* Modern CSS with layers, nesting, and container queries */

@layer base, components, utilities;

@layer base {
  :root {
    --color-primary: oklch(0.65 0.25 260);
    --color-secondary: oklch(0.55 0.18 150);
    --color-surface: oklch(0.98 0.005 260);
    --color-text: oklch(0.2 0.02 260);
    --color-border: oklch(0.85 0.01 260);
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.5rem;
    --shadow-sm: 0 1px 3px color-mix(in oklch, var(--color-text) 10%, transparent);
    --shadow-md: 0 4px 12px color-mix(in oklch, var(--color-text) 15%, transparent);
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  }

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

  body {
    font-family: system-ui, -apple-system, sans-serif;
    color: var(--color-text);
    background: var(--color-surface);
    line-height: 1.6;
  }
}

@layer components {
  .card-grid {
    container-type: inline-size;
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  }

  .card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);

    &:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    & .card-title {
      font-size: 1.25rem;
      font-weight: 600;
      margin-block-end: 0.5rem;
    }

    & .card-body {
      color: color-mix(in oklch, var(--color-text) 75%, transparent);
    }

    &:has(.card-badge) {
      border-color: var(--color-primary);
    }
  }

  @container (max-width: 600px) {
    .card-grid {
      grid-template-columns: 1fr;
    }
  }

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);

    &.btn-primary {
      background: var(--color-primary);
      color: white;

      &:hover { filter: brightness(1.1); }
    }
  }
}

@layer utilities {
  @keyframes fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
  }

  .animate-fade-in {
    animation: fade-in 0.4s ease-out both;
  }

  .animate-pulse {
    animation: pulse 2s ease-in-out infinite;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-surface: oklch(0.15 0.01 260);
    --color-text: oklch(0.9 0.01 260);
    --color-border: oklch(0.3 0.01 260);
  }
}