:root { color-scheme: light dark; --bg:#f7f8fa; --fg:#0b0f14; --muted:#5b6672; --accent:#0f8f83; --card:#ffffff; --line:#e3e7ec; }
@media (prefers-color-scheme: dark) { :root { --bg:#0b0f14; --fg:#eceff3; --muted:#9aa6b2; --accent:#2dd4bf; --card:#141a21; --line:#232b35; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font:17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width:760px; margin:0 auto; padding:40px 16px 64px; }
nav { display:flex; gap:18px; flex-wrap:wrap; font-size:15px; margin-bottom:32px; }
nav a { color:var(--muted); text-decoration:none; } nav a:hover { color:var(--fg); }
nav a.home { color:var(--fg); font-weight:600; margin-right:auto; display:flex; align-items:center; gap:8px; }
nav img { width:24px; height:24px; border-radius:6px; }
h1 { font-size:clamp(30px, 6vw, 42px); line-height:1.15; margin:0 0 12px; letter-spacing:-0.02em; }
h2 { margin-top:44px; font-size:23px; line-height:1.3; } h3 { font-size:18px; margin:24px 0 6px; }
p.lead { color:var(--muted); font-size:19px; margin-top:0; }
a { color:var(--accent); }
.card { background:var(--card); border:1px solid var(--line); border-radius:14px; padding:16px 20px; margin:16px 0; }
.cta { display:inline-flex; align-items:center; gap:10px; background:var(--fg); color:var(--bg); text-decoration:none; font-weight:600; padding:13px 22px; border-radius:12px; margin:8px 0 4px; }
.cta svg { width:20px; height:20px; }
.note { color:var(--muted); font-size:14px; }
.shots { display:flex; gap:12px; overflow-x:auto; padding:8px 0 12px; margin:28px -16px 0; padding-left:16px; scroll-snap-type:x mandatory; }
.shots img { width:200px; height:auto; aspect-ratio:9/20; border-radius:16px; flex:none; scroll-snap-align:start; background:#0b0f14; }
.grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(210px, 1fr)); gap:12px; }
.grid .card { margin:0; } .grid h3 { margin-top:0; }
ul { padding-left:22px; } li { margin:4px 0; }
table { border-collapse:collapse; width:100%; font-size:15px; } td, th { border-bottom:1px solid var(--line); padding:8px 6px; text-align:left; vertical-align:top; }
code { font-size:14px; background:var(--card); border:1px solid var(--line); padding:1px 5px; border-radius:5px; }
.logo { width:72px; height:72px; border-radius:18px; display:block; margin-bottom:16px; }
footer { color:var(--muted); font-size:14px; margin-top:56px; border-top:1px solid var(--line); padding-top:16px; }
@media (max-width: 480px) { nav { gap:12px; font-size:14px; } nav a.home { width:100%; margin-bottom:2px; } }

[hidden] { display:none !important; }
.tool { background:var(--card); border:1px solid var(--line); border-radius:14px; padding:16px 20px; margin:16px 0; }
.tool h2 { margin:0 0 4px; font-size:19px; }
.fields { display:grid; grid-template-columns:repeat(2, minmax(0, 1fr)); gap:12px; margin-top:10px; }
.fields label, .tool label { display:block; font-size:14px; color:var(--muted); }
.tool input, .tool select { display:block; width:100%; margin-top:4px; font:inherit; font-size:18px; color:var(--fg); background:var(--bg); border:1px solid var(--line); border-radius:10px; padding:10px 12px; min-height:46px; }
.tool input:focus, .tool select:focus { outline:2px solid var(--accent); outline-offset:1px; border-color:transparent; }
.tool input.bad { border-color:#d14343; }
.result { margin-top:14px; border-top:1px solid var(--line); padding-top:12px; }
.stats { display:grid; grid-template-columns:repeat(3, minmax(0, 1fr)); gap:10px; margin:0; }
.stats div { min-width:0; } .stats dt { font-size:13px; color:var(--muted); line-height:1.3; } .stats dd { margin:2px 0 0; font-size:20px; font-weight:600; color:var(--accent); overflow-wrap:anywhere; }
.result p { margin:10px 0 0; }
.tablewrap { overflow-x:auto; }
@media (max-width: 480px) { .stats dd { font-size:17px; } .tool { padding:14px; } }