:root {
  --fg: #202124;
  --fg-soft: #4d5156;
  --fg-mute: #70757a;
  --link: #1a0dab;
  --link-visited: #681da8;
  --url: #006621;
  --bg: #ffffff;
  --bg-soft: #f8f9fa;
  --border: #dadce0;
  --accent: #4285f4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e8eaed;
    --fg-soft: #bdc1c6;
    --fg-mute: #9aa0a6;
    --link: #8ab4f8;
    --link-visited: #c58af9;
    --url: #34a853;
    --bg: #202124;
    --bg-soft: #303134;
    --border: #5f6368;
  }
}

* { box-sizing: border-box; }

/* `hidden` attribute must always win over our display: flex / grid rules. */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
               Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.58;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
a:visited { color: var(--link-visited); }

/* ── Top bar (results page) ────────────────────────────────────────────── */
#topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0;
  background: var(--bg);
  z-index: 10;
}
#brand-small { display: inline-flex; }
.search-form {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 6px 10px 6px 18px;
  width: 100%; max-width: 580px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.search-form:focus-within { box-shadow: 0 1px 6px rgba(32,33,36,0.18); border-color: transparent; }
.search-form input {
  flex: 1; border: 0; outline: 0; background: transparent;
  font-size: 16px; color: var(--fg);
  padding: 6px 8px;
}
.search-form button {
  border: 0; background: transparent; color: var(--accent);
  padding: 4px 8px; cursor: pointer; display: inline-flex;
}
.search-form.big { max-width: 600px; padding: 10px 14px 10px 22px; }
.search-form.big input { font-size: 18px; }

/* ── Home (no query) ───────────────────────────────────────────────────── */
#home {
  display: flex; flex-direction: column; align-items: center;
  padding: 18vh 16px 6vh;
  text-align: center;
}
.brand-big {
  display: flex; flex-direction: column; align-items: center;
  margin-bottom: 28px;
}
.brand-name {
  font-size: 48px; font-weight: 300; letter-spacing: -1px;
  margin-top: 8px; color: var(--fg);
}
.tagline {
  margin-top: 28px; color: var(--fg-mute); font-size: 13px;
}

/* ── Results page ──────────────────────────────────────────────────────── */
#results-wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 18px 28px 60px;
}
.meta {
  color: var(--fg-mute);
  font-size: 12px;
  margin: 4px 0 18px;
}
ol#results { list-style: none; margin: 0; padding: 0; }
ol#results > li {
  margin: 0 0 28px;
  max-width: 600px;
}
.r-url {
  color: var(--fg-mute);
  font-size: 12px;
  margin-bottom: 2px;
  word-break: break-all;
}
.r-title {
  font-size: 20px;
  line-height: 1.3;
  margin: 0 0 4px;
  font-weight: 400;
}
.r-title a { color: var(--link); }
.r-title a:visited { color: var(--link-visited); }
.r-snippet {
  color: var(--fg-soft);
  font-size: 14px;
  line-height: 1.58;
  margin: 0;
  overflow-wrap: anywhere;
}

/* Pager */
.pager {
  display: flex; gap: 16px; justify-content: center;
  margin: 32px 0;
}
.pager a, .pager span {
  padding: 6px 12px; border-radius: 4px;
  color: var(--link); font-size: 14px;
}
.pager a:hover { background: var(--bg-soft); }
.pager span.current {
  color: var(--fg); background: var(--bg-soft); font-weight: 600;
}

footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--fg-mute);
  padding: 14px 28px;
  font-size: 12px;
  text-align: center;
}

/* ── Loading + empty state ────────────────────────────────────────────── */
.loading, .empty {
  color: var(--fg-mute);
  padding: 20px 0;
  text-align: center;
}
.empty h2 { color: var(--fg); margin: 6px 0; font-weight: 500; }

@media (max-width: 640px) {
  #topbar { padding: 10px 12px; gap: 12px; }
  #results-wrap { padding: 14px; }
  .brand-name { font-size: 36px; }
}