:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #6b6b6b;
  --color-border: #e2e2e2;
  --color-hover: #f5f5f5;
  --color-accent: #0057b8;
  --focus-ring: #0057b8;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  line-height: 1.5;
}

.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.site-header {
  margin-bottom: 32px;
}

.site-header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.02em;
}

.author {
  margin: 4px 0 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.search-wrapper {
  margin-bottom: 16px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

#search {
  width: 100%;
  padding: 10px 14px;
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: inherit;
}

#search:focus {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
}

.counter {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin: 0 0 16px;
  min-height: 1.2em;
}

.doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
}

.doc-list li {
  border-bottom: 1px solid var(--color-border);
}

.doc-list a {
  display: block;
  padding: 12px 8px;
  color: var(--color-text);
  text-decoration: none;
  word-break: break-word;
}

.doc-list a:hover {
  background: var(--color-hover);
  color: var(--color-accent);
}

.doc-list a:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: -2px;
  background: var(--color-hover);
}

.status-message {
  color: var(--color-text-secondary);
  padding: 24px 8px;
  text-align: left;
}

@media (max-width: 600px) {
  .page {
    padding: 32px 16px 48px;
  }

  .site-header h1 {
    font-size: 1.6rem;
  }

  #search {
    width: 100%;
  }
}