/* Components layer - Web component and UI element styles */
@layer components {
  /* ===== View Transitions ===== */
  @view-transition {
    navigation: auto;
  }

  /* Define transition names for animated elements */
  .site-header {
    view-transition-name: header;
  }

  .logo {
    view-transition-name: logo;
  }

  main {
    view-transition-name: main-content;
  }

  .post-header h1 {
    view-transition-name: post-title;
  }

  /* Customize view transition animations - simple crossfade */
  ::view-transition-old(main-content) {
    animation: fade-out 150ms ease-out;
  }

  ::view-transition-new(main-content) {
    animation: fade-in 200ms ease-out;
  }

  ::view-transition-old(post-title),
  ::view-transition-new(post-title) {
    animation-duration: 200ms;
  }

  @keyframes fade-out {
    from { opacity: 1; }
    to { opacity: 0; }
  }

  @keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
  }

  /* ===== Entry Animations with @starting-style ===== */
  .hero,
  .posts,
  .post {
    opacity: 1;
    transform: translateY(0);
    transition:
      opacity 400ms var(--ease-out),
      transform 400ms var(--ease-out);

    @starting-style {
      opacity: 0;
      transform: translateY(20px);
    }
  }

  .hero {
    transition-delay: 0ms;
  }

  .posts {
    transition-delay: 100ms;
  }

  .post-header {
    opacity: 1;
    transform: translateY(0);
    transition:
      opacity 300ms var(--ease-out),
      transform 300ms var(--ease-out);

    @starting-style {
      opacity: 0;
      transform: translateY(15px);
    }
  }

  .post-content {
    opacity: 1;
    transition: opacity 400ms var(--ease-out) 150ms;

    @starting-style {
      opacity: 0;
    }
  }

  /* Blinking cursor animation for terminal effect */
  @keyframes blink {
    0%, 50% {
      opacity: 1;
    }
    51%, 100% {
      opacity: 0;
    }
  }

  .cursor {
    display: inline-block;
    width: 0.6em;
    height: 1.2em;
    background-color: var(--color-accent);
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
    margin-inline-start: 0.1em;
  }

  /* Terminal prompt styling */
  .prompt {
    color: var(--color-accent);
    user-select: none;
  }

  /* Button base styles */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2xs);
    padding: var(--space-2xs) var(--space-sm);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition:
      background-color var(--duration-fast) var(--ease-out),
      border-color var(--duration-fast) var(--ease-out);

    &:hover {
      background-color: var(--color-surface-elevated);
      border-color: var(--color-accent-muted);
    }

    &:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 2px;
    }
  }

  /* Tag/badge styles */
  .tag {
    display: inline-block;
    padding: var(--space-3xs) var(--space-2xs);
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    background-color: color-mix(in oklch, var(--color-accent) 15%, transparent);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition:
      background-color var(--duration-fast) var(--ease-out),
      color var(--duration-fast) var(--ease-out);

    &:hover {
      background-color: color-mix(in oklch, var(--color-accent) 25%, transparent);
    }

    &:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 2px;
    }
  }

  /* Selection highlight for code */
  code-block::part(code)::selection,
  pre::selection,
  code::selection {
    background-color: var(--color-accent);
    color: var(--color-bg);
  }

  /* Smooth scroll behavior */
  html:has(:target) {
    scroll-behavior: smooth;
  }

  /* Focus-visible styles for all interactive elements */
  :focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
  }

  :focus:not(:focus-visible) {
    outline: none;
  }

  /* Visually hidden but accessible */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  /* Skip link for accessibility */
  .skip-link {
    position: fixed;
    top: var(--space-sm);
    left: var(--space-sm);
    padding: var(--space-2xs) var(--space-sm);
    background-color: var(--color-accent);
    color: var(--color-bg);
    border-radius: var(--radius-md);
    transform: translateY(-200%);
    transition: transform var(--duration-fast) var(--ease-out);
    z-index: 100;

    &:focus {
      transform: translateY(0);
    }
  }
}