:root {
  color-scheme: dark;
  --bg: #050505; --surface: #151515; --surface-2: #1d1d1f; --line: #313134; --line-strong: #4a4a4f;
  --text: #f7f7f8; --muted: #a2a2a8; --blue: #3d8bfd; --blue-dark: #2369c9;
  --green: #45c464; --red: #ff5964; --amber: #f3b642; --radius: 14px; --shadow: 0 24px 70px rgba(0,0,0,.4);
}
[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f6f9; --surface: #ffffff; --surface-2: #f0f2f5; --line: #dde1e7; --line-strong: #c7ccd4;
  --text: #121417; --muted: #68707c; --blue: #2369c9; --blue-dark: #1855aa;
  --green: #18813a; --red: #c73543; --amber: #965f00; --shadow: 0 24px 70px rgba(24,31,42,.12);
}
@font-face { font-family: Fredoka; src: url('/static/fonts/Fredoka-Regular.ttf') format('truetype'); font-weight: 400; font-display: swap; }
@font-face { font-family: Fredoka; src: url('/static/fonts/Fredoka-SemiBold.ttf') format('truetype'); font-weight: 600; font-display: swap; }
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body { margin: 0; color: var(--text); background: var(--bg); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; font-size: 15px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
h1, h2, .lv-badge, button { font-family: Fredoka, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; }
.lv-wrap { width: min(760px, calc(100% - 32px)); margin-inline: auto; }
.lv-header { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 85%, transparent); position: sticky; top: 0; backdrop-filter: blur(16px); z-index: 10; }
.lv-nav { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.lv-brand img { display: block; width: 150px; height: auto; }
.lv-brand .logo-light { display: none; }
[data-theme="light"] .lv-brand .logo-dark { display: none; }
[data-theme="light"] .lv-brand .logo-light { display: block; }
.lv-lang { display: flex; align-items: center; gap: 6px; }
.lv-lang a, .lv-theme { padding: 6px 10px; border: 1px solid var(--line); border-radius: 10px; color: var(--muted); text-decoration: none; font-size: 13px; background: transparent; cursor: pointer; }
.lv-lang a[aria-current="page"] { color: var(--text); border-color: var(--line-strong); background: var(--surface-2); }
.lv-main { padding: 32px 0 56px; display: grid; gap: 18px; }
.lv-card { padding: clamp(20px, 4vw, 32px); border: 1px solid var(--line); border-radius: 20px; background: var(--surface); box-shadow: var(--shadow); }
.lv-card h1 { margin: 0 0 8px; font-size: clamp(26px, 4vw, 34px); line-height: 1.15; letter-spacing: -.02em; }
.lv-card h2 { margin: 24px 0 10px; font-size: 17px; }
.lv-lead { margin: 0 0 20px; color: var(--muted); }
.lv-form label { display: block; margin-bottom: 8px; font-weight: 600; font-size: 14px; }
.lv-row { display: flex; gap: 10px; }
.lv-row input { flex: 1; min-width: 0; padding: 13px 14px; border: 1px solid var(--line-strong); border-radius: 12px; background: var(--surface-2); color: var(--text); font: 500 16px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .04em; }
.lv-row input:focus { outline: 2px solid var(--blue); outline-offset: 1px; }
.lv-row button { padding: 0 22px; border: 0; border-radius: 12px; background: var(--blue); color: #fff; font-weight: 600; font-size: 16px; cursor: pointer; }
.lv-row button:hover { background: var(--blue-dark); }
.lv-verdict { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.lv-verdict p { margin: 0; color: var(--muted); flex: 1 1 260px; }
.lv-badge { display: inline-flex; align-items: center; padding: 7px 14px; border-radius: 999px; font-weight: 600; font-size: 15px; border: 1px solid currentColor; }
.lv-ok .lv-badge { color: var(--green); }
.lv-bad .lv-badge { color: var(--red); }
.lv-warn .lv-badge { color: var(--amber); }
.lv-muted .lv-badge { color: var(--muted); }
.lv-ok { border-color: color-mix(in srgb, var(--green) 45%, var(--line)); }
.lv-bad { border-color: color-mix(in srgb, var(--red) 45%, var(--line)); }
.lv-note { margin: 14px 0 0; padding: 10px 12px; border-radius: 10px; background: var(--surface-2); color: var(--amber); font-size: 14px; }
.lv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; margin: 20px 0 0; }
.lv-kv { padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-2); }
.lv-kv dt { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.lv-kv dd { margin: 2px 0 0; font-weight: 600; }
.lv-diff { border-color: var(--red); }
.lv-timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.lv-timeline li { display: grid; grid-template-columns: 14px 1fr auto; column-gap: 10px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; }
.lv-timeline time { grid-column: 2; color: var(--muted); font-size: 13px; }
.lv-timeline code { grid-column: 3; grid-row: 1 / span 2; color: var(--muted); font-size: 12px; }
.lv-dot { width: 10px; height: 10px; border-radius: 50%; grid-row: 1 / span 2; }
.lv-dot.ok { background: var(--green); }
.lv-dot.bad { background: var(--red); }
.lv-checks { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 6px 16px; }
.lv-tick { display: inline-block; width: 22px; font-weight: 700; }
.lv-tick.ok { color: var(--green); }
.lv-tick.bad { color: var(--red); }
.lv-hash { margin-top: 18px; padding: 12px 14px; border-radius: 12px; background: var(--surface-2); display: grid; gap: 4px; }
.lv-hash span { color: var(--muted); font-size: 12px; }
.lv-hash code { word-break: break-all; font-size: 13px; }
.lv-privacy { color: var(--muted); font-size: 13px; text-align: center; margin: 0; }
@media (max-width: 560px) { .lv-row { flex-direction: column; } .lv-row button { padding: 13px; } .lv-timeline code { grid-column: 2; grid-row: auto; } }