:root{--primary: #2563eb;--primary-dark: #1e40af;--secondary: #64748b;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--background: #0f172a;--surface: #1e293b;--surface-light: #334155;--text: #f1f5f9;--text-secondary: #cbd5e1;--border: #475569;--shadow: rgba(0, 0, 0, .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Poppins,sans-serif;background:var(--background);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.btn{font-family:Poppins,sans-serif;padding:.75rem 1.5rem;border:none;border-radius:.5rem;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:.5rem}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 4px 12px #2563eb4d}.btn-secondary{background:var(--surface-light);color:var(--text)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn:disabled{opacity:.5;cursor:not-allowed}.input{font-family:Poppins,sans-serif;width:100%;padding:.75rem 1rem;background:var(--surface);border:1px solid var(--border);border-radius:.5rem;color:var(--text);font-size:.95rem;transition:all .2s ease}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.input::placeholder{color:var(--secondary)}.card{background:var(--surface);border-radius:1rem;padding:1.5rem;box-shadow:0 4px 6px var(--shadow)}.alert{padding:1rem;border-radius:.5rem;margin-bottom:1rem}.alert-error{background:#ef44441a;border:1px solid var(--danger);color:#fca5a5}.alert-success{background:#10b9811a;border:1px solid var(--success);color:#6ee7b7}.alert-warning{background:#f59e0b1a;border:1px solid var(--warning);color:#fcd34d}.form-group{margin-bottom:1.25rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-secondary);font-size:.9rem}.spinner{border:3px solid var(--surface-light);border-top:3px solid var(--primary);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{background:var(--surface);border-radius:1rem;padding:2rem;max-width:600px;width:90%;max-height:80vh;overflow-y:auto;box-shadow:0 20px 25px -5px #00000080}.fingerprint{font-family:Courier New,monospace;background:var(--background);padding:1rem;border-radius:.5rem;word-break:break-all;font-size:.85rem;color:var(--primary)}