@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;800&display=swap";:root{--bg-dark:#0f111a;--bg-card:#191c2999;--bg-input:#0f111acc;--text-main:#f8f9fa;--text-muted:#a0aabf;--accent-primary:#3b82f6;--accent-primary-hover:#2563eb;--accent-success:#10b981;--accent-error:#ef4444;--border-color:#ffffff14;--glow-color:#3b82f626}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-main);background-image:radial-gradient(circle at 15% 50%, var(--glow-color), transparent 25%), radial-gradient(circle at 85% 30%, #10b98114, transparent 25%);background-attachment:fixed;min-height:100vh;font-family:Inter,sans-serif;line-height:1.6}.app-container{max-width:1000px;margin:0 auto;padding:3rem 1.5rem}header{text-align:center;margin-bottom:4rem;animation:.8s ease-out forwards fadeInDown}h1{background:linear-gradient(135deg,#fff 0%,#a0aabf 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-family:Outfit,sans-serif;font-size:3.5rem;font-weight:800}.subtitle{color:var(--text-muted);font-size:1.1rem}.glass-panel{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);opacity:0;border-radius:16px;margin-bottom:2rem;padding:2rem;transition:transform .3s,box-shadow .3s,border-color .3s;animation:.8s ease-out forwards fadeInUp;box-shadow:0 8px 32px #0003}.glass-panel:nth-child(2){animation-delay:.1s}.glass-panel:nth-child(3){animation-delay:.2s}.glass-panel:nth-child(4){animation-delay:.3s}.glass-panel:hover{border-color:#ffffff26;transform:translateY(-4px);box-shadow:0 12px 40px #0000004d}.section-title{align-items:center;gap:.75rem;margin-bottom:1.5rem;font-family:Outfit,sans-serif;font-size:1.5rem;font-weight:600;display:flex}.section-title span{width:32px;height:32px;color:var(--accent-primary);background:#3b82f61a;border-radius:8px;justify-content:center;align-items:center;font-size:1.2rem;display:flex}.input-group{flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem;display:flex}.input-field{background:var(--bg-input);border:1px solid var(--border-color);min-width:250px;color:var(--text-main);border-radius:8px;outline:none;flex:1;padding:.875rem 1.25rem;font-family:Inter,monospace;font-size:1rem;transition:all .2s}.input-field:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px #3b82f633}.btn{background:var(--accent-primary);color:#fff;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;padding:.875rem 1.5rem;font-size:1rem;font-weight:500;transition:all .2s;display:flex}.btn:hover{background:var(--accent-primary-hover);transform:translateY(-2px)}.btn:active{transform:translateY(0)}.btn-secondary{border:1px solid var(--border-color);background:#ffffff0d}.btn-secondary:hover{background:#ffffff1a}.result-box{border:1px solid var(--border-color);word-break:break-all;background:#0000004d;border-radius:8px;align-items:center;min-height:56px;padding:1rem;font-family:Inter,monospace;font-size:1.1rem;display:flex}.status-badge{border-radius:999px;align-items:center;gap:.375rem;padding:.25rem .75rem;font-size:.875rem;font-weight:500;display:inline-flex}.status-valid{color:var(--accent-success);background:#10b9811a;border:1px solid #10b98133}.status-invalid{color:var(--accent-error);background:#ef44441a;border:1px solid #ef444433}.info-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem;margin-top:1.5rem;display:grid}.info-card{background:#0003;border:1px solid #ffffff0d;border-radius:8px;padding:1rem}.info-label{color:var(--text-muted);margin-bottom:.375rem;font-size:.875rem}.info-value{color:var(--text-main);font-weight:500}.copy-btn{border:1px solid var(--border-color);color:var(--text-muted);cursor:pointer;background:#ffffff0d;border-radius:4px;align-items:center;gap:.25rem;padding:.2rem .5rem;font-family:Inter,sans-serif;font-size:.75rem;transition:all .2s;display:flex}.copy-btn:hover{color:var(--text-main);background:#ffffff1a}.code-snippet{color:#d4d4d4;background:#1e1e1e;border:1px solid #333;border-radius:8px;margin-top:1rem;padding:1rem;font-family:monospace;font-size:.875rem;overflow-x:auto}.code-keyword{color:#569cd6}.code-function{color:#dcdcaa}.code-string{color:#ce9178}.code-comment{color:#6a9955}footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border-color);margin-top:4rem;padding:2rem 0;font-size:.9rem}footer a{color:var(--accent-primary);text-decoration:none;transition:color .2s}footer a:hover{color:var(--text-main)}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){h1{font-size:2.5rem}.input-group{flex-direction:column}.btn{width:100%}}