/* BrowserSearch site — shared styles. Colors follow the app icon (deep blue → blue → cyan → teal). */
:root {
  --bg: #f7faff;
  --surface: #ffffff;
  --surface-2: #eef4fd;
  --text: #0f1b33;
  --muted: #526079;
  --border: #dde6f3;
  --blue: #2563eb;
  --cyan: #06b6d4;
  --teal: #14b8a6;
  --navy: #0b1e5b;
  --accent: #1d4ed8;
  --grad: linear-gradient(120deg, var(--navy), var(--blue) 45%, var(--cyan) 80%, var(--teal));
  --grad-soft: linear-gradient(120deg, rgba(37, 99, 235, .14), rgba(6, 182, 212, .12));
  --radius: 16px;
  --shadow: 0 1px 2px rgba(15, 30, 70, .06), 0 10px 32px rgba(15, 30, 70, .09);
  --shadow-lg: 0 2px 6px rgba(15, 30, 70, .08), 0 30px 80px rgba(15, 40, 110, .22);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #070d1c;
    --surface: #0e1830;
    --surface-2: #14213f;
    --text: #e8eefc;
    --muted: #9aa8c7;
    --border: #1f2e52;
    --accent: #7cb4ff;
    --grad-soft: linear-gradient(120deg, rgba(37, 99, 235, .22), rgba(6, 182, 212, .14));
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 32px rgba(0, 0, 0, .35);
    --shadow-lg: 0 2px 6px rgba(0, 0, 0, .5), 0 30px 80px rgba(0, 20, 60, .6);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(1100px 520px at 15% -10%, rgba(37, 99, 235, .14), transparent 60%),
    radial-gradient(900px 480px at 95% 0%, rgba(6, 182, 212, .13), transparent 60%),
    var(--bg);
  background-repeat: no-repeat;
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, kbd {
  font: .88em ui-monospace, "SF Mono", Menlo, monospace;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .1em .4em;
}
kbd { border-bottom-width: 2px; white-space: nowrap; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); font-size: 18px; }
.brand img { width: 30px; height: 30px; }
.brand:hover { text-decoration: none; }
.nav { display: flex; gap: 20px; margin-left: auto; flex-wrap: wrap; }
.nav a { color: var(--muted); font-size: 15px; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); text-decoration: none; }

/* Hero */
.hero { text-align: center; padding: 64px 0 24px; }
.hero .icon { width: 132px; height: 132px; filter: drop-shadow(0 18px 30px rgba(37, 99, 235, .35)); }
.hero h1 { font-size: clamp(38px, 6vw, 62px); line-height: 1.06; margin: 16px 0 12px; letter-spacing: -.025em; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: clamp(18px, 2.4vw, 22px); color: var(--muted); max-width: 660px; margin: 0 auto 28px; }
.actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 16px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  transition: box-shadow .15s, transform .15s;
}
.btn:hover { text-decoration: none; box-shadow: var(--shadow); transform: translateY(-1px); }
.btn.primary { background: var(--grad); color: #fff; border: 0; }
.meta { color: var(--muted); font-size: 14px; margin-top: 14px; }
.eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent); background: var(--grad-soft); border: 1px solid var(--border);
  padding: 4px 12px; border-radius: 999px; margin-bottom: 14px;
}

/* Screenshot viewer: pure-CSS tabs (radio inputs), no JavaScript */
.viewer { max-width: 900px; margin: 40px auto 0; text-align: center; }
.viewer input { position: absolute; opacity: 0; pointer-events: none; }
.viewer .switch {
  display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 4px; padding: 4px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); margin-bottom: 22px;
}
.viewer .switch label {
  cursor: pointer; padding: 7px 16px; border-radius: 999px; font-size: 14.5px; font-weight: 600; color: var(--muted);
  transition: background .15s, color .15s;
}
.viewer .frames { position: relative; }
.viewer .frames img {
  display: none; width: 100%; border-radius: 18px; box-shadow: var(--shadow-lg); border: 1px solid var(--border);
}
.viewer .caption { color: var(--muted); font-size: 15px; margin-top: 16px; display: none; }
#v-all:checked ~ .switch label[for="v-all"],
#v-search:checked ~ .switch label[for="v-search"],
#v-recent:checked ~ .switch label[for="v-recent"],
#v-tags:checked ~ .switch label[for="v-tags"],
#v-marked:checked ~ .switch label[for="v-marked"],
#v-stale:checked ~ .switch label[for="v-stale"] { background: var(--grad); color: #fff; }
#v-all:checked ~ .frames .f-all,
#v-search:checked ~ .frames .f-search,
#v-recent:checked ~ .frames .f-recent,
#v-tags:checked ~ .frames .f-tags,
#v-marked:checked ~ .frames .f-marked,
#v-stale:checked ~ .frames .f-stale { display: block; }
#v-all:focus-visible ~ .switch label[for="v-all"],
#v-search:focus-visible ~ .switch label[for="v-search"],
#v-recent:focus-visible ~ .switch label[for="v-recent"],
#v-tags:focus-visible ~ .switch label[for="v-tags"],
#v-marked:focus-visible ~ .switch label[for="v-marked"],
#v-stale:focus-visible ~ .switch label[for="v-stale"] { outline: 2px solid var(--blue); outline-offset: 2px; }

/* Sections */
section { padding: 56px 0; }
h2 { font-size: clamp(26px, 3.5vw, 38px); letter-spacing: -.015em; margin: 0 0 8px; line-height: 1.15; }
h3 { font-size: 19px; margin: 0 0 6px; }
.section-lead { color: var(--muted); margin: 0 0 30px; max-width: 700px; }
.center { text-align: center; }
.center .section-lead { margin-left: auto; margin-right: auto; }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow); transition: transform .15s, box-shadow .15s;
}
a.card { display: block; color: inherit; }
a.card:hover, .grid .card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); text-decoration: none; }
.card p { margin: 0; color: var(--muted); font-size: 15.5px; }
.card .emoji {
  font-size: 22px; display: inline-grid; place-items: center; width: 44px; height: 44px; margin-bottom: 12px;
  border-radius: 12px; background: var(--grad-soft); border: 1px solid var(--border);
}
.tag {
  display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 999px;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); margin-left: 6px; vertical-align: middle;
}
.tag.new { background: var(--grad); color: #fff; border: 0; }

/* Numbered steps */
.steps { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); counter-reset: step; }
.step { position: relative; padding: 22px 22px 22px 70px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 20px; top: 20px; width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700; color: #fff; background: var(--grad);
}
.step p { margin: 0; color: var(--muted); font-size: 15.5px; }

/* Keyboard grid */
.keys { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); }
.key {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
}
.key kbd { font-size: 15px; padding: .25em .6em; min-width: 54px; text-align: center; }
.key span { color: var(--muted); font-size: 15px; }

/* Split feature rows */
.shot { display: grid; gap: 36px; grid-template-columns: 1fr 1.15fr; align-items: center; margin: 36px 0; }
.shot.flip > :first-child { order: 2; }
.shot img { border-radius: var(--radius); box-shadow: var(--shadow-lg); border: 1px solid var(--border); background: var(--surface); }
.shot ul { color: var(--muted); padding-left: 20px; margin: 0; }
.shot li { margin: 6px 0; }
@media (max-width: 760px) { .shot { grid-template-columns: 1fr; } .shot.flip > :first-child { order: 0; } }

/* Call to action band */
.cta {
  text-align: center; padding: 44px 24px; border-radius: 24px; color: #fff; background: var(--grad); box-shadow: var(--shadow-lg);
}
.cta h2 { color: #fff; }
.cta p { color: rgba(255, 255, 255, .85); margin: 0 auto 22px; max-width: 560px; }
.cta .btn { background: #fff; color: var(--navy); border: 0; }

/* Docs layout */
.docs { display: grid; grid-template-columns: 220px 1fr; gap: 40px; padding: 40px 0 64px; }
.toc { position: sticky; top: 84px; align-self: start; font-size: 15px; border-left: 2px solid var(--border); padding-left: 14px; }
.toc a { display: block; color: var(--muted); padding: 4px 0; }
.toc a:hover { color: var(--text); text-decoration: none; }
.content h2 { margin-top: 48px; padding-top: 8px; scroll-margin-top: 76px; }
.content h2:first-child { margin-top: 0; }
.content h3 { margin-top: 26px; }
.content p, .content li { color: var(--text); }
.content img { border-radius: 14px; box-shadow: var(--shadow); border: 1px solid var(--border); margin: 10px 0 6px; }
@media (max-width: 820px) { .docs { grid-template-columns: 1fr; } .toc { position: static; } }

table { width: 100%; border-collapse: collapse; font-size: 15.5px; background: var(--surface); border-radius: 12px; overflow: hidden; border: 1px solid var(--border); }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--surface-2); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.table-scroll { overflow-x: auto; }
.yes { color: var(--teal); font-weight: 700; }

.callout { border-left: 4px solid var(--blue); background: var(--surface-2); border-radius: 0 12px 12px 0; padding: 14px 18px; margin: 18px 0; }
.callout.warn { border-left-color: #f59e0b; }

details { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; margin: 10px 0; }
details summary { cursor: pointer; font-weight: 600; }
details[open] summary { margin-bottom: 8px; }

footer { border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; padding: 28px 0 40px; margin-top: 24px; }
footer .wrap { display: flex; gap: 16px; flex-wrap: wrap; justify-content: space-between; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }