/* «Скорость интернета» (/tools/internet-speed/): дополнения к общим .cvp-* (photo-tool.css). Переменные --c-* — у .cvp */
.st-top{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:16px 28px;padding:clamp(18px,2.6vw,28px) clamp(18px,2.6vw,32px);border-bottom:1px solid var(--c-sep)}
.st-servers{display:flex;flex-direction:column;gap:10px;min-width:0}
.st-seg{display:flex;flex-wrap:wrap;gap:4px;padding:4px;border-radius:999px;background:var(--c-track);width:max-content;max-width:100%}
.st-seg button{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 16px;border:0;border-radius:999px;background:transparent;font:inherit;font-size:14px;font-weight:700;color:var(--c-ink);cursor:pointer}
.st-seg button small{font-size:11px;font-weight:700;color:var(--c-mute)}
.st-seg button:hover:not([aria-checked=true]){background:#fff}
.st-seg button[aria-checked=true]{background:var(--c-ink);color:#fff}
.st-seg button[aria-checked=true] small,.st-seg button[aria-checked=true] .st-srv-ping{color:#c9d0bf}
.st-seg button:disabled{cursor:default;opacity:.6}
.st-srv-ping{font-family:var(--c-mono);font-size:12px;font-weight:600;color:var(--c-mute)}
.st-who{display:flex;flex-direction:column;gap:2px;text-align:right;min-width:0}
.st-who b{font-size:15px}
.st-who span:last-child{font-size:13px;color:var(--c-ink2);font-family:var(--c-mono)}
.st-main{display:flex;flex-direction:column;align-items:center;gap:14px;padding:clamp(22px,3vw,36px) 18px 10px}
.st-gauge{position:relative;width:min(340px,86vw)}
.st-gauge svg{display:block;width:100%;height:auto;fill:none;stroke-linecap:round}
.st-arc-bg{stroke:var(--c-track);stroke-width:14}
.st-arc{stroke:var(--c-ink);stroke-width:14;transition:stroke-dasharray .25s linear}
.st-card.is-up .st-arc{stroke:#6d8f1f}
.st-gauge-val{position:absolute;left:0;right:0;bottom:2px;display:flex;flex-direction:column;align-items:center;line-height:1}
.st-gauge-val output{font-family:var(--c-mono);font-size:clamp(40px,7vw,58px);font-weight:700;letter-spacing:-.02em}
.st-gauge-val span{margin-top:6px;font-size:13px;font-weight:700;color:var(--c-mute)}
.st-phase{margin:0;min-height:21px;font-size:15px;font-weight:600;color:var(--c-ink2);text-align:center}
.st-go{min-width:200px}
.st-go svg{width:18px;height:18px;fill:currentColor}
.st-results{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;margin-top:18px;background:var(--c-sep);border-top:1px solid var(--c-sep);border-bottom:1px solid var(--c-sep)}
.st-res{display:flex;flex-direction:column;gap:6px;padding:18px clamp(14px,2vw,26px);background:#fff}
.st-res b{font-family:var(--c-mono);font-size:clamp(24px,3vw,32px);font-weight:700}
.st-res b small{font-family:Manrope,Arial,sans-serif;font-size:13px;font-weight:700;color:var(--c-mute)}
.st-res.is-active{background:var(--c-pale)}
.st-verdict{display:flex;flex-direction:column;gap:12px;padding:20px clamp(18px,2.6vw,32px)}
.st-uses{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:8px 18px}
.st-uses li{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600}
.st-uses li i{flex:none;width:20px;height:20px;border-radius:999px;display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:800}
.st-uses li.ok i{background:var(--c-lime);color:var(--c-ink)}
.st-uses li.no i{background:var(--c-warn-bg);color:var(--c-warn)}
.st-uses li.no{color:var(--c-ink2)}
.st-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px 16px}
.st-server-note{font-size:13px;color:var(--c-mute)}
.st-card .pdf-err{margin:0 clamp(18px,2.6vw,32px) 16px}
.st-note{padding:16px clamp(18px,2.6vw,32px) 22px;border-top:1px solid var(--c-sep)}
@media (max-width:760px){
  .st-results{grid-template-columns:repeat(2,minmax(0,1fr))}
  .st-who{text-align:left}
  .st-seg{width:100%;border-radius:18px}
  .st-seg button{flex:1 1 auto;justify-content:center}
}