*{box-sizing:border-box;margin:0;padding:0}:root{--primary: #3b82f6;--primary-dark: #2563eb;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--bg: #f8fafc;--bg-card: #ffffff;--text: #1e293b;--text-muted: #64748b;--text-light: #94a3b8;--border: #e2e8f0;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);--radius: 12px;--radius-lg: 16px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column;max-width:480px;margin:0 auto;background:var(--bg)}.header{background:var(--bg-card);border-bottom:1px solid var(--border);padding:16px 20px;position:sticky;top:0;z-index:100}.header-content{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:8px}.logo-icon{font-size:24px;color:var(--primary)}.logo-text{font-size:20px;font-weight:700;color:var(--text);letter-spacing:-.5px}.main{flex:1;padding:20px 20px 100px}.footer{display:flex;justify-content:center;align-items:center;gap:16px;padding:12px 16px;margin-bottom:70px}.footer-link{color:#94a3b8;text-decoration:none;font-size:12px}.footer-link:hover{color:#64748b}.contact-btn{background:#f1f5f9;color:#64748b;padding:6px 12px;border-radius:6px;text-decoration:none;font-size:12px;font-weight:500}.contact-btn:hover{background:#e2e8f0;color:#475569}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;background:var(--bg-card);border-top:1px solid var(--border);display:flex;justify-content:space-around;padding:8px 0 calc(8px + env(safe-area-inset-bottom));z-index:100}.nav-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 16px;background:none;border:none;cursor:pointer;color:var(--text-muted);transition:all .2s}.nav-btn.active,.nav-btn:hover{color:var(--primary)}.nav-icon{font-size:20px}.nav-label{font-size:11px;font-weight:600}.card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:20px;margin-bottom:16px}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card-title{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.card-value{font-size:28px;font-weight:700;color:var(--text);letter-spacing:-1px}.card-subtitle{font-size:14px;color:var(--success);margin-top:4px}.token-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.token-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center;transition:all .2s}.token-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}.token-icon{font-size:32px;margin-bottom:8px}.token-icon.v{color:#22c55e}.token-icon.c{color:#f59e0b}.token-icon.m{color:#3b82f6}.token-name{font-size:14px;font-weight:600;color:var(--text);margin-bottom:4px}.token-balance{font-size:18px;font-weight:700;color:var(--text)}.token-value{font-size:12px;color:var(--text-muted);margin-top:2px}.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 20px;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;transition:all .2s;border:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{background:var(--text-light);cursor:not-allowed}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-success{background:var(--success);color:#fff}.input-group{margin-bottom:16px}.input-label{display:block;font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:8px}.input{width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius);font-size:16px;color:var(--text);background:var(--bg-card);transition:all .2s}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #3b82f61a}.input::placeholder{color:var(--text-light)}.rewards-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}.reward-card{background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border-radius:var(--radius);padding:16px}.reward-label{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;margin-bottom:4px}.reward-value{font-size:20px;font-weight:700;color:var(--text)}.reward-token{font-size:12px;color:var(--text-muted)}.guide-section{margin-bottom:24px}.guide-title{font-size:18px;font-weight:700;color:var(--text);margin-bottom:12px;display:flex;align-items:center;gap:8px}.guide-step{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:12px}.guide-step-number{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;background:var(--primary);color:#fff;border-radius:50%;font-size:12px;font-weight:700;margin-right:12px}.guide-step-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:8px}.guide-step-desc{font-size:14px;color:var(--text-muted);line-height:1.6}.connect-btn{padding:10px 16px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}.connect-btn:hover{background:var(--primary-dark)}.connected-btn{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);font-size:13px;color:var(--text);cursor:pointer}.connected-dot{width:8px;height:8px;background:var(--success);border-radius:50%}.status{padding:12px 16px;border-radius:var(--radius);font-size:14px;margin-bottom:16px}.status-success{background:#dcfce7;color:#166534}.status-warning{background:#fef3c7;color:#92400e}.status-error{background:#fee2e2;color:#991b1b}.status-info{background:#dbeafe;color:#1e40af}.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:var(--text-muted)}.spinner{width:24px;height:24px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin-right:12px}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted)}.empty-state-icon{font-size:48px;margin-bottom:16px;opacity:.5}.empty-state-title{font-size:16px;font-weight:600;color:var(--text);margin-bottom:8px}.empty-state-desc{font-size:14px;margin-bottom:20px}@media (min-width: 768px){.app{max-width:600px}.token-grid{grid-template-columns:repeat(3,1fr)}}