/* Identidade visual do speedtest público (card #522) — paleta e marca do portal (css/style.css). Sem fontes/CDN externos. */
:root{
  --bg:#0a1018;--surface:#111a26;--surface-2:#16212f;--border:#22313f;--text:#eef4fa;--text-dim:#9db0c3;--text-faint:#6a7f94;
  --accent:#2f8cff;--accent-2:#22d3ee;--ok:#34d399;--ok-2:#6ee7b7;--warn:#e0a742;--crit:#ef6a5e;
  --mono:"IBM Plex Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --sans:"Inter",-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--radius:16px;
}
*{box-sizing:border-box}
html{color-scheme:dark;-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.45}
a{color:var(--accent-2);text-underline-offset:3px}a:hover{color:#7fe3f5}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:6px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* fundo: linhas do portal + dois focos de luz que derivam devagar (só transform: barato) */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px);background-size:100% 44px}
.blob{position:absolute;width:62vmax;height:62vmax;border-radius:50%;}
.blob.a{left:-18vmax;top:-22vmax;background:radial-gradient(circle,rgba(47,140,255,.20),transparent 62%)}
.blob.b{right:-22vmax;bottom:-26vmax;background:radial-gradient(circle,rgba(52,211,153,.12),transparent 62%)}
@keyframes drift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(7vmax,5vmax,0) scale(1.12)}}

/* topo */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px clamp(14px,3vw,32px);border-bottom:1px solid var(--border);background:rgba(10,16,24,.92);position:sticky;top:0;z-index:5}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.mark{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:9px;background:linear-gradient(135deg,rgba(47,140,255,.22),rgba(52,211,153,.18));color:var(--ok-2);flex-shrink:0}
.brand h1{font-size:1.05rem;margin:0;font-weight:650;letter-spacing:.01em;line-height:1.2}
.dom{display:inline-flex;align-items:center;gap:6px;margin-top:2px;font:500 .72rem/1 var(--mono);color:var(--text-dim);background:var(--surface-2);border:1px solid var(--border);padding:4px 8px;border-radius:999px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dom i{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(52,211,153,.6);animation:ping 2.4s infinite}
@keyframes ping{70%{box-shadow:0 0 0 7px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}
.logo-micron{height:26px;width:auto;display:block;opacity:.95}

/* cartões */
.card{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01)),var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:0 12px 32px rgba(0,0,0,.32);position:relative}
.card h2{margin:0 0 12px;font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;color:var(--text-dim);font-weight:600}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* chip do logo: terceiros coloridos precisam de fundo claro; o da Micron é branco e precisa de fundo escuro */
.chip{display:inline-flex;align-items:center;justify-content:center;background:#fff;border-radius:12px;padding:8px 14px;min-width:92px;height:48px;box-shadow:0 4px 14px rgba(0,0,0,.28)}
.chip.dark{background:#0d0c0c;border:1px solid var(--border)}
.chip img{display:block;max-height:28px;max-width:132px;width:auto;height:auto}
.mono-logo{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:12px;font:700 1.35rem var(--sans);color:#fff;box-shadow:0 4px 14px rgba(0,0,0,.28)}

/* botões */
.btn{appearance:none;border:1px solid var(--border);background:var(--surface-2);color:var(--text);font:600 .9rem var(--sans);padding:11px 18px;border-radius:12px;cursor:pointer;transition:transform .15s,background .2s,border-color .2s;min-height:44px}
.btn:hover{background:#1e2b3b;border-color:#34475a}.btn:active{transform:scale(.97)}
.btn.pri{background:var(--accent);border-color:var(--accent);color:#04101f}.btn.pri:hover{background:#5aa5ff}
.btn.crit{border-color:rgba(224,90,79,.55);color:#ff8f84}.btn.crit:hover{background:rgba(224,90,79,.12)}
.btn[hidden]{display:none}

footer{max-width:1180px;margin:8px auto 0;padding:18px clamp(14px,3vw,32px) 36px;color:var(--text-faint);font-size:.8rem;line-height:1.75}
footer a{color:var(--text-dim)}
.sep{opacity:.4;margin:0 6px}

/* (removido) regra que desligava toda animação/transição com 'reduzir movimento' do sistema — ver comentário em app.js */
@media (max-width:520px){.logo-micron{height:20px}.card{padding:14px}.brand h1{font-size:.95rem}}

/* modo leve (padrão): sem camadas fixas/animadas de decoração — o fundo vira o próprio fundo da página (pintado uma vez) e nenhuma animação de CSS repinta a tela durante o teste */
.bg{display:none}
html{background:radial-gradient(ellipse 70% 55% at 0% 0%,rgba(47,140,255,.17),transparent 70%),radial-gradient(ellipse 70% 55% at 100% 100%,rgba(52,211,153,.10),transparent 70%),linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px) 0 0/100% 44px,var(--bg)}
body{background:transparent}
.card{box-shadow:0 1px 0 rgba(255,255,255,.04) inset}
.dom i{animation:none}