.arc-container{--arc-primary: #0ea5e9;--arc-secondary: #8b5cf6;--arc-bg: #f8fafc;--arc-card-bg: #ffffff;--arc-text: #0f172a;--arc-text-muted: #64748b;--arc-border: #e2e8f0;--arc-input-bg: #f1f5f9;--arc-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--arc-shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--arc-shadow-lg: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);max-width:1100px;margin:4rem auto;color:var(--arc-text)}:global(.dark) .arc-container{--arc-bg: #0f172a;--arc-card-bg: #1e293b;--arc-text: #f8fafc;--arc-text-muted: #94a3b8;--arc-border: #334155;--arc-input-bg: #0f172a}.arc-layout{display:grid;grid-template-columns:1fr;gap:2rem}@media(min-width:992px){.arc-layout{grid-template-columns:420px 1fr}}.arc-panel{background:var(--arc-card-bg);border:1px solid var(--arc-border);border-radius:1.5rem;padding:2.5rem;box-shadow:var(--arc-shadow-lg);display:flex;flex-direction:column;gap:2.5rem}.arc-title-group{display:flex;align-items:center;gap:.75rem}.arc-icon-box{width:40px;height:40px;background:linear-gradient(135deg,var(--arc-primary),var(--arc-secondary));border-radius:.75rem;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 12px #0ea5e94d}.arc-panel-title{font-size:1.5rem;font-weight:800;margin:0;letter-spacing:-.025em}.arc-section{display:flex;flex-direction:column;gap:1.5rem}.arc-section-header{font-size:.875rem;font-weight:700;color:var(--arc-primary);text-transform:uppercase;letter-spacing:.1em}.arc-input-grid{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem}.arc-field{display:flex;flex-direction:column;gap:.5rem}.arc-label{font-size:.75rem;font-weight:600;color:var(--arc-text-muted)}.arc-input-container{position:relative;display:flex;align-items:center}.arc-input{width:100%;background:var(--arc-input-bg);border:2px solid var(--arc-border);border-radius:1rem;padding:1rem;font-size:1.25rem;font-weight:700;color:var(--arc-text);text-align:center;outline:none;transition:all .2s cubic-bezier(.4,0,.2,1)}.arc-input:focus{border-color:var(--arc-primary);background:var(--arc-card-bg);box-shadow:0 0 0 4px #0ea5e91a}.arc-separator{font-size:1.5rem;font-weight:900;opacity:.3;padding-top:1.5rem}.arc-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}.arc-preset-btn{background:var(--arc-input-bg);border:1px solid var(--arc-border);border-radius:.75rem;padding:.6rem;font-size:.75rem;font-weight:700;color:var(--arc-text);cursor:pointer;transition:all .2s}.arc-preset-btn:hover{background:var(--arc-primary);color:#fff;border-color:var(--arc-primary);transform:translateY(-2px);box-shadow:0 4px 12px #0ea5e933}.arc-preview-panel{background:var(--arc-input-bg);border:1px solid var(--arc-border);border-radius:1.5rem;display:flex;flex-direction:column;overflow:hidden;position:relative}.arc-preview-header{padding:1.5rem 2rem;background:var(--arc-card-bg);border-bottom:1px solid var(--arc-border);display:flex;justify-content:space-between;align-items:center}.arc-preview-title{font-size:1rem;font-weight:700;display:flex;align-items:center;gap:.5rem}.arc-badge{background:#0ea5e91a;color:var(--arc-primary);padding:.25rem .75rem;border-radius:2rem;font-size:.75rem;font-weight:800}.arc-viewport{flex:1;display:flex;align-items:center;justify-content:center;padding:3rem;min-height:500px;background-image:radial-gradient(var(--arc-border) 1px,transparent 1px);background-size:30px 30px}.arc-box{background:linear-gradient(45deg,var(--arc-primary),var(--arc-secondary));border-radius:1rem;box-shadow:var(--arc-shadow-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;transition:width .5s cubic-bezier(.34,1.56,.64,1),height .5s cubic-bezier(.34,1.56,.64,1);position:relative;border:1px solid rgba(255,255,255,.2);overflow:hidden}.arc-box:before{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.1' fill-rule='evenodd'%3E%3Ccircle cx='3' cy='3' r='3'/%3E%3Ccircle cx='13' cy='13' r='3'/%3E%3C/g%3E%3C/svg%3E");opacity:.2}.arc-box-ratio{font-size:2.5rem;font-weight:900;text-shadow:0 4px 8px rgba(0,0,0,.2);z-index:1}.arc-box-res{font-size:.875rem;font-weight:600;opacity:.9;background:#0003;padding:.4rem 1rem;border-radius:2rem;margin-top:1rem;z-index:1}.arc-status{position:absolute;bottom:1.5rem;left:1.5rem;right:1.5rem;display:flex;justify-content:space-between;font-size:.75rem;font-weight:600;color:var(--arc-text-muted)}.arc-status-item{display:flex;align-items:center;gap:.5rem}.arc-dot{width:6px;height:6px;border-radius:50%;background:var(--arc-primary);box-shadow:0 0 8px var(--arc-primary)}.arc-seo-section{margin-top:8rem;max-width:48rem;margin-left:auto;margin-right:auto;color:#475569;line-height:1.8;animation:fade-in-up 1s ease-out .3s both}:global(.dark) .arc-seo-section{color:#94a3b8}@keyframes fade-in-up{0%{opacity:0;transform:translateY(2rem)}to{opacity:1;transform:translateY(0)}}.arc-seo-card{background-color:#f8fafc;border-radius:1.5rem;padding:3rem;border:1px solid #e2e8f0;margin-bottom:3rem;box-shadow:0 4px 6px -1px #0000000d}:global(.dark) .arc-seo-card{background-color:#ffffff05;border-color:#ffffff0d}.arc-seo-card h2{font-size:1.75rem;font-weight:800;color:#0f172a;margin-top:0;margin-bottom:1.5rem;letter-spacing:-.025em}:global(.dark) .arc-seo-card h2{color:#f8fafc}.arc-seo-card h3{font-size:1.25rem;font-weight:700;color:#0f172a;margin-top:2.5rem;margin-bottom:1rem}:global(.dark) .arc-seo-card h3{color:#f8fafc}.arc-seo-card p{margin-bottom:1.5rem;font-size:1rem}.arc-list{list-style:none;padding:0;margin:0 0 1.5rem}.arc-list-item{display:flex;gap:1rem;margin-bottom:1rem;align-items:flex-start}.arc-bullet{width:.5rem;height:.5rem;border-radius:50%;margin-top:.6rem;flex-shrink:0}.arc-bullet-sky{background-color:#0ea5e9}.arc-bullet-violet{background-color:#8b5cf6}.arc-list-item strong{color:#0f172a;font-weight:600}:global(.dark) .arc-list-item strong{color:#e2e8f0}.arc-seo-card code{background-color:#f1f5f9;padding:.15rem .4rem;border-radius:.375rem;font-size:.85em;color:#0f172a;border:1px solid #e2e8f0}:global(.dark) .arc-seo-card code{background-color:#1e293b;color:#f8fafc;border-color:#334155}