:root{--primary:#6366f1;--primary-hover:#4f46e5;--background:#0f172a;--surface:#1e293bb3;--border:#ffffff1a;--text-main:#f8fafc;--text-muted:#94a3b8;--success:#22c55e;--danger:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--background);color:var(--text-main);background-image:radial-gradient(at 0 0,#6366f126 0,#0000 50%),radial-gradient(at 100% 100%,#3b82f626 0,#0000 50%);background-attachment:fixed;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}.app-container{max-width:800px;margin:0 auto;padding:2rem 1rem}.header{text-align:center;margin-bottom:3rem;animation:.6s ease-out fadeInDown}.logo-container{justify-content:center;align-items:center;gap:1rem;margin-bottom:1rem;display:flex}.logo-icon{color:var(--primary);width:40px;height:40px}.title{letter-spacing:-.025em;background:linear-gradient(135deg,#a855f7,#3b82f6);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:2.2rem;font-weight:800}.subtitle{color:var(--text-muted);font-size:1.1rem}.card{background:var(--surface);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:24px;margin-bottom:2rem;padding:2rem;animation:.6s ease-out .2s both fadeInUp}.input-group{margin-bottom:1.5rem}.input-group label{color:var(--text-main);margin-bottom:.5rem;font-size:1rem;font-weight:600;display:block}.input-group p.help{color:var(--text-muted);margin-bottom:.5rem;font-size:.85rem}.text-input{border:1px solid var(--border);width:100%;color:var(--text-main);background:#0003;border-radius:12px;padding:1rem;font-size:1rem;transition:all .2s}.text-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #6366f133}.primary-btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:.5rem;width:100%;padding:1rem;font-size:1.1rem;font-weight:700;transition:all .2s;display:flex}.primary-btn:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 10px 15px -3px #6366f166}.result-card{border:1px solid var(--primary);text-align:center;background:#6366f11a;border-radius:16px;margin-top:2rem;padding:2rem;animation:.4s ease-out fadeIn}.result-title{color:var(--primary);margin-bottom:1rem;font-size:1.25rem;font-weight:700}.result-url{word-break:break-all;border:1px solid var(--border);text-align:left;background:#0000004d;border-radius:8px;margin-bottom:1.5rem;padding:1rem;font-family:monospace;font-size:.9rem}.result-meta{color:var(--text-muted);justify-content:center;gap:1rem;margin-bottom:1.5rem;font-size:.9rem;display:flex}.action-buttons{flex-direction:column;gap:1rem;display:flex}@media (width>=640px){.action-buttons{flex-direction:row}}.secondary-btn{color:var(--text-main);border:1px solid var(--border);cursor:pointer;background:#ffffff1a;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:.5rem;padding:1rem;font-size:1rem;font-weight:600;text-decoration:none;transition:all .2s;display:flex}.secondary-btn:hover{background:#ffffff26;border-color:#ffffff4d}.error-msg{color:var(--danger);border:1px solid var(--danger);background:#ef44441a;border-radius:12px;margin-bottom:1.5rem;padding:1rem;font-size:.95rem}.warning-msg{color:#f59e0b;text-align:left;background:#f59e0b1a;border:1px solid #f59e0b;border-radius:8px;margin-bottom:1rem;padding:.75rem;font-size:.85rem}.accordion{margin-top:3rem}.accordion-item{border:1px solid var(--border);background:#0003;border-radius:12px;margin-bottom:1rem;overflow:hidden}.accordion-header{text-align:left;width:100%;color:var(--text-main);cursor:pointer;background:0 0;border:none;justify-content:space-between;align-items:center;padding:1.25rem;font-size:1.05rem;font-weight:600;display:flex}.accordion-header:hover{background:#ffffff0d}.accordion-content{color:var(--text-muted);padding:0 1.25rem 1.25rem;font-size:.95rem;line-height:1.7}.accordion-content a{color:var(--primary);text-decoration:underline}.footer-note{text-align:center;color:var(--text-muted);margin-top:4rem;font-size:.8rem}@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)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}