:root{--bg:#0b0d12;--panel:#111722;--line:rgba(255,255,255,.09);--text:#eef2f7;--muted:#8d99a9;--gold:#f0cd74;--green:#43d39e;--red:#ff7281;--cyan:#67d9de;--warn:#f5bd65}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:radial-gradient(circle at 20% 0,rgba(103,217,222,.08),transparent 34rem),var(--bg);color:var(--text);font-family:Inter,system-ui,sans-serif}button,a{font:inherit}.diag-shell{width:min(760px,100%);margin:auto;padding:18px 14px calc(110px + env(safe-area-inset-bottom))}.diag-shell header{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px;margin-bottom:16px}.diag-shell header>a{justify-self:start;text-decoration:none;color:var(--muted);font-size:10px;font-weight:900;border:1px solid var(--line);padding:10px 12px;border-radius:12px}.diag-shell header>div{text-align:center}.diag-shell header span{font-size:9px;color:var(--gold);letter-spacing:.12em;font-weight:900}.diag-shell header h1{font-size:22px;margin:3px 0 0}.diag-shell header button{justify-self:end;border:1px solid rgba(240,205,116,.28);background:rgba(240,205,116,.08);color:var(--gold);border-radius:12px;padding:10px 12px;font-size:9px;font-weight:900}.hero,.summary,.technical{border:1px solid var(--line);background:rgba(17,23,34,.9);border-radius:22px;padding:18px}.hero{display:grid;grid-template-columns:54px 1fr;gap:14px;align-items:center}.hero-icon{width:54px;height:54px;border-radius:17px;display:grid;place-items:center;background:rgba(103,217,222,.08);color:var(--cyan);font-size:28px}.hero h2{margin:0 0 6px;font-size:19px}.hero p{margin:0;color:var(--muted);font-size:11px;line-height:1.55}.summary{margin-top:12px;display:flex;gap:12px;align-items:center}.summary i{width:12px;height:12px;border-radius:50%;background:var(--muted);box-shadow:0 0 0 5px rgba(255,255,255,.03)}.summary.good i{background:var(--green)}.summary.bad i{background:var(--red)}.summary.warn i{background:var(--warn)}.summary b{display:block}.summary small{color:var(--muted)}.checks{display:grid;gap:8px;margin-top:12px}.check{border:1px solid var(--line);background:#0f151f;border-radius:17px;padding:14px;display:grid;grid-template-columns:16px minmax(0,1fr) auto;gap:11px;align-items:center}.check i{width:10px;height:10px;border-radius:50%;background:var(--muted)}.check.good i{background:var(--green)}.check.bad i{background:var(--red)}.check.warn i{background:var(--warn)}.check b{display:block;font-size:12px}.check small{display:block;color:var(--muted);font-size:9px;margin-top:3px}.check strong{font-size:10px;color:var(--muted)}.technical{margin-top:12px}.technical summary{cursor:pointer;font-weight:900;font-size:11px}.technical pre{white-space:pre-wrap;word-break:break-word;color:#aab6c7;font-size:9px;line-height:1.5;margin:12px 0 0}@media(max-width:560px){.diag-shell header{grid-template-columns:auto 1fr auto}.diag-shell header h1{font-size:18px}.diag-shell header button{padding:9px;font-size:8px}.hero{grid-template-columns:1fr}.hero-icon{display:none}}
.diag-actions{justify-self:end;display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.diag-actions button{border:1px solid rgba(240,205,116,.28);background:rgba(240,205,116,.08);color:var(--gold);border-radius:12px;padding:10px 12px;font-size:9px;font-weight:900}.diag-shell header>.diag-actions{justify-self:end}@media(max-width:620px){.diag-shell header{grid-template-columns:auto 1fr}.diag-actions{grid-column:1/-1;width:100%;display:grid;grid-template-columns:1fr 1fr 1fr}.diag-actions button{padding:9px 6px}}

/* v6.1.0 · platform brand refresh */
:root{--bg:#0F172A;--panel:#101827;--line:rgba(255,255,255,.10);--text:#EEF4FF;--muted:#94A3B8;--gold:#FBBF24;--green:#34D399;--red:#FB7185;--cyan:#14B8A6;--warn:#FBBF24}
.hero-icon{background:rgba(59,130,246,.10);color:#7cb3ff}
.diag-shell header button,.diag-actions button{border-color:rgba(59,130,246,.26);background:rgba(59,130,246,.10);color:#cfe0ff}