:root {
  --bg: #fbfbfa;
  --surface: #ffffff;
  --surface-2: #f4f4f2;
  --border: #e7e6e3;
  --fg: #1b1b19;
  --muted: #6f6e69;
  --faint: #a3a29c;
  --accent: #5b5bd6;
  --accent-soft: #ececfb;
  --good: #2f8a4c;
  --warn: #b7791f;
  --bad: #c2410c;
  --shadow: 0 1px 2px rgba(20, 20, 15, .04), 0 8px 24px rgba(20, 20, 15, .06);
  --radius: 12px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113; --surface: #18181b; --surface-2: #1f1f23; --border: #2a2a30; --fg: #ececef; --muted: #9a9aa3;
    --faint: #63636b; --accent: #8e8ef5; --accent-soft: #24243d; --good: #5cc283; --warn: #e3a948; --bad: #f07b4b;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .3); color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.55 Inter, system-ui, -apple-system, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.err { color: var(--bad); font-size: 13px; margin: 0; }

.screen { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(360px, 100%); background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 28px; box-shadow: var(--shadow); display: grid; gap: 14px; }
.login-card input { padding: 11px 13px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2); color: var(--fg); font: inherit; outline: none; }
.login-card input:focus { border-color: var(--accent); }
button.primary { padding: 10px 14px; border-radius: 10px; border: 0; background: var(--fg); color: var(--bg); font: 500 14px Inter, sans-serif; cursor: pointer; }

.mark { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; letter-spacing: -.01em; }
.mark .dot { width: 10px; height: 10px; border-radius: 3px; background: linear-gradient(135deg, var(--accent), #c06ef0); }
.tag { font: 500 11px var(--mono); color: var(--muted); border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; }

.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; padding: 12px max(20px, env(safe-area-inset-left)); background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.tabs { display: flex; gap: 4px; }
.tabs a { padding: 6px 12px; border-radius: 8px; color: var(--muted); font-size: 14px; }
.tabs a.active, .tabs a:hover { color: var(--fg); background: var(--surface-2); }

main { max-width: 1180px; margin: 0 auto; padding: 24px max(20px, env(safe-area-inset-left)) 80px; }
.hero { text-align: center; margin: 10vh 0 26px; }
.hero h1 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -.03em; margin: 0 0 10px; font-weight: 650; }
.hero p { max-width: 560px; margin: 0 auto; }
body.has-results .hero { display: none; }

.searchbar { max-width: 760px; margin: 0 auto; display: grid; gap: 12px; }
body.has-results .searchbar { max-width: none; margin: 0 0 22px; }
.input-wrap { display: flex; align-items: center; gap: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 0 14px; box-shadow: var(--shadow); transition: border-color .15s; }
.input-wrap:focus-within { border-color: var(--accent); }
.input-wrap .icon { width: 18px; height: 18px; color: var(--faint); flex: none; }
.input-wrap input { flex: 1; min-width: 0; border: 0; outline: none; background: transparent; color: var(--fg); font: 16px Inter, sans-serif; padding: 15px 0; }
kbd { font: 11px var(--mono); color: var(--faint); border: 1px solid var(--border); border-radius: 5px; padding: 2px 6px; }
.controls { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; }
.seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 3px; }
.seg button { border: 0; background: transparent; color: var(--muted); font: 500 13px Inter, sans-serif; padding: 6px 11px; border-radius: 7px; cursor: pointer; }
.seg button.on { background: var(--surface); color: var(--fg); box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.toggle { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); cursor: pointer; user-select: none; }
.toggle input { display: none; }
.toggle span { width: 30px; height: 18px; border-radius: 99px; background: var(--border); position: relative; transition: background .15s; }
.toggle span::after { content: ""; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: 50%; background: var(--surface); transition: transform .15s; box-shadow: 0 1px 2px rgba(0,0,0,.2); }
.toggle input:checked + span { background: var(--accent); }
.toggle input:checked + span::after { transform: translateX(12px); }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; align-items: start; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } .col-side { order: -1; } }
.col-main { min-width: 0; }

.answer { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 22px; box-shadow: var(--shadow); }
.answer-head { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.spark { width: 14px; height: 14px; border-radius: 4px; background: linear-gradient(135deg, var(--accent), #c06ef0); }
.answer-body { font-size: 15.5px; line-height: 1.65; }
.answer-body p { margin: 0 0 10px; }
.answer-body ul { margin: 0 0 10px; padding-left: 20px; }
.answer-body.streaming::after { content: "▍"; color: var(--accent); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.cite { display: inline-flex; align-items: center; justify-content: center; min-width: 18px; height: 18px; padding: 0 5px; margin: 0 1px; border-radius: 6px; background: var(--accent-soft); color: var(--accent); font: 600 11px var(--mono); vertical-align: 2px; cursor: pointer; }

.results { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.result { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 12px; padding: 14px 12px; border-radius: 12px; transition: background .15s; }
.result:hover { background: var(--surface); }
.result.flash { background: var(--accent-soft); }
.avatar { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; font: 600 12px Inter, sans-serif; color: #fff; }
.r-host { font-size: 12.5px; color: var(--muted); display: flex; gap: 6px; align-items: center; min-width: 0; }
.r-host .h { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.r-title { font-weight: 600; font-size: 16px; letter-spacing: -.01em; margin: 2px 0 4px; display: block; overflow-wrap: anywhere; }
.r-title:hover { color: var(--accent); }
.r-snippet { color: var(--fg); opacity: .86; font-size: 14px; margin: 0; overflow-wrap: anywhere; }
.badges { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; }
.badge { font: 500 11px var(--mono); padding: 1px 7px; border-radius: 6px; border: 1px solid var(--border); color: var(--muted); background: var(--surface-2); }
.badge.src-google { color: #3b6fd8; } .badge.src-bing { color: #0f8b8d; } .badge.src-brave { color: #e0602a; } .badge.src-index, .badge.src-entity { color: var(--accent); }
.badge.c-fetched, .badge.c-store, .badge.c-index, .badge.c-rendered { color: var(--good); }
.badge.c-serper, .badge.c-serper-render { color: var(--warn); }
.badge.c-snippet { color: var(--faint); }
.skeleton { height: 82px; border-radius: 12px; background: linear-gradient(90deg, var(--surface-2), var(--surface), var(--surface-2)); background-size: 200% 100%; animation: shimmer 1.2s infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }

.col-side { display: grid; gap: 16px; position: sticky; top: 76px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.panel-title { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 10px; }
.pipeline { display: grid; gap: 8px; font-size: 13px; }
.step { display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; align-items: center; }
.step .bar { grid-column: 1 / -1; height: 4px; border-radius: 4px; background: var(--surface-2); overflow: hidden; }
.step .bar i { display: block; height: 100%; background: var(--accent); border-radius: 4px; }
.step .v { font: 12px var(--mono); color: var(--muted); }
.kv { display: grid; grid-template-columns: 1fr auto; gap: 6px 10px; font-size: 13px; }
.kv .v { font: 12.5px var(--mono); color: var(--muted); text-align: right; }

.stats-head { display: flex; align-items: baseline; justify-content: space-between; margin: 8px 0 16px; }
.stats-head h2 { margin: 0; letter-spacing: -.02em; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.card .l { font-size: 12px; color: var(--muted); }
.card .n { font-size: 24px; font-weight: 650; letter-spacing: -.02em; margin-top: 2px; }
.card .s { font-size: 12px; color: var(--faint); }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; margin-bottom: 16px; }
.bars { display: grid; gap: 7px; }
.barrow { display: grid; grid-template-columns: 130px minmax(0, 1fr) 90px; gap: 10px; align-items: center; font-size: 13px; }
.barrow .track { height: 8px; background: var(--surface-2); border-radius: 6px; overflow: hidden; }
.barrow .track i { display: block; height: 100%; background: var(--accent); border-radius: 6px; }
.barrow .num { font: 12px var(--mono); color: var(--muted); text-align: right; }
.barrow .lbl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); }
td.n, th.n { font-family: var(--mono); text-align: right; }
#counters td:first-child { font-family: var(--mono); font-size: 12px; }
#view-stats .panel { margin-bottom: 16px; }

.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 900px) { .compare { grid-template-columns: 1fr; } }
.ccol { min-width: 0; }
.ccol-head { display: flex; justify-content: space-between; align-items: baseline; font-weight: 600; font-size: 14px; padding: 0 12px 8px; border-bottom: 1px solid var(--border); margin-bottom: 6px; }
.result.same { box-shadow: inset 3px 0 0 var(--good); }