:root {
  --bg: #f3f5f7; --card: #fff; --ink: #141414; --muted: #77777c; --line: #e2e2e4;
  --accent: #e5181b; --on-accent: #fff; --bad: #b3261e; --ok: #2e7d5b; --soft: #f0f0f1; --ink-strong: #141414;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #101012; --card: #17171a; --ink: #f2f2f4; --muted: #9a9aa2; --line: #2b2b32;
    --accent: #ff3b3b; --on-accent: #fff; --bad: #ff7a72; --ok: #4fb088; --soft: #212127; --ink-strong: #f2f2f4; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
.top { display: flex; justify-content: space-between; align-items: center; max-width: 720px; margin: 0 auto; padding: 18px 16px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand b { color: var(--accent); font-weight: 700; }
.top-link { color: var(--muted); font-size: 14px; text-decoration: none; }
.wrap { max-width: 720px; margin: 0 auto; padding: 28px 16px 56px; }
h1 { font-size: clamp(26px, 6vw, 38px); line-height: 1.12; margin: 0 0 10px; letter-spacing: -.02em; }
h2 { font-size: 18px; margin: 0 0 4px; overflow-wrap: anywhere; }
.lead { color: var(--muted); margin: 0 0 22px; }
.muted { color: var(--muted); font-size: 14px; margin: 0; }
.search { display: flex; gap: 8px; }
input[type=url] { flex: 1; min-width: 0; height: 52px; padding: 0 16px; border-radius: 14px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font-size: 16px; }
input[type=url]:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
h1 em { font-style: normal; color: var(--accent); }
button, .link-button { font: inherit; cursor: pointer; }
.search button, .primary { height: 52px; padding: 0 22px; border: 0; border-radius: 14px; background: var(--accent); color: var(--on-accent); font-weight: 600; }
.primary { width: 100%; margin-top: 16px; }
.primary:disabled { background: var(--soft); color: var(--muted); cursor: not-allowed; }
.link-button { display: flex; align-items: center; justify-content: center; text-decoration: none; }
.link { background: none; border: 0; color: var(--muted); padding: 10px 0 0; font-size: 14px; text-decoration: underline; }
.error { color: var(--bad); margin: 12px 2px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 18px; margin-top: 18px; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 16px 0 12px; }
.tab { height: 36px; padding: 0 14px; border-radius: 18px; border: 1px solid var(--line); background: transparent; color: var(--ink); font-size: 14px; }
.tab[aria-selected=true] { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.options { display: grid; gap: 8px; }
.opt { display: flex; justify-content: space-between; align-items: center; gap: 12px; width: 100%; padding: 13px 14px; border-radius: 14px; border: 1px solid var(--line); background: var(--card); color: var(--ink); text-align: left; }
.opt[aria-checked=true] { border: 2px solid var(--accent); padding: 12px 13px; background: color-mix(in srgb, var(--accent) 8%, var(--card)); }
.opt small { color: var(--muted); font-size: 13px; white-space: nowrap; }
.state { font-weight: 600; margin: 0 0 12px; }
.bar { height: 8px; border-radius: 4px; background: var(--soft); overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .4s ease; }
.bar.busy i { width: 35% !important; animation: slide 1.2s ease-in-out infinite; }
@keyframes slide { 0% { margin-left: -35%; } 100% { margin-left: 100%; } }
#note { margin-top: 10px; }
.legal { color: var(--muted); font-size: 13px; margin-top: 28px; }
[hidden] { display: none !important; }
@media (prefers-reduced-motion: reduce) { .bar i { transition: none; } .bar.busy i { animation: none; width: 100% !important; opacity: .4; } }