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var(--arc-border);background:#fff;border-radius:999px;padding:10px 13px;color:#334155;font-weight:650;font-size:14px}.arc-toast{position:fixed;right:18px;bottom:18px;background:#0f172a;color:#fff;border-radius:15px;padding:14px 16px;box-shadow:var(--arc-shadow);transform:translateY(20px);opacity:0;transition:.18s ease;z-index:50;max-width:360px;font-size:14px;line-height:1.45}.arc-toast.is-visible{transform:translateY(0);opacity:1}.arc-error{padding:12px 14px;border-radius:12px;background:var(--arc-red-soft);border:1px solid #fecaca;color:#991b1b;font-size:14px;margin-top:12px}@media (max-width: 900px){.arc-tabs{grid-template-columns:1fr}.arc-tab{border-right:0;border-bottom:1px solid var(--arc-border)}.arc-tab:last-child{border-bottom:0}.arc-tool-grid,.arc-three-cols{grid-template-columns:1fr}}@media (max-width: 620px){.arc-page{width:min(100% - 22px,1120px)}.arc-hero{padding-top:20px}.arc-tool-grid{padding:14px}.arc-section{padding:20px}.arc-actions 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.arc-mini-icon{background:var(--fl-accent-soft);color:var(--fl-link)}html.theme-dark-active .arc-error{color:#fecaca;border-color:#991b1b}html.theme-dark-active .arc-toast{background:var(--fl-surface-well);color:var(--fl-text-strong);border:1px solid var(--fl-border)}