*{margin:0;padding:0;box-sizing:border-box}html,body{overflow-x:hidden;max-width:100%;min-height:100vh;min-height:100dvh;min-height:-webkit-fill-available}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;padding:20px;display:flex;align-items:center;justify-content:center}.is-ios html,.is-ios body{background:#667eea;min-height:100vh;min-height:100dvh;min-height:-webkit-fill-available}.is-ios body{padding:max(20px,env(safe-area-inset-top)) 20px max(20px,env(safe-area-inset-bottom))}.container{background:#fff;border-radius:16px;box-shadow:0 20px 60px #0000004d;max-width:1200px;width:100%;padding:40px;overflow-x:hidden}.is-ios .container{box-shadow:0 4px 12px #0000001a}.two-column-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:24px;align-items:start}.left-column,.right-column{display:flex;flex-direction:column;gap:24px}.right-column .section{margin-top:0;display:flex;flex-direction:column}h1{color:#2d3748;margin-bottom:8px;font-size:28px}.subtitle{color:#718096;margin-bottom:32px;font-size:14px}.demo-description{color:#718096;font-size:14px;line-height:1.6;margin-bottom:24px}.section{margin-bottom:0}.section-title{font-size:14px;font-weight:600;color:#4a5568;margin-bottom:12px;text-transform:uppercase;letter-spacing:.5px}button{background:#667eea;color:#fff;border:none;padding:12px 24px;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s;width:100%;-webkit-tap-highlight-color:transparent}button:hover:not(:disabled){background:#5a67d8;transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}button:disabled{background:#cbd5e0;cursor:not-allowed;transform:none}button:focus-visible{outline:3px solid #2d3748;outline-offset:2px}.mode-selector{display:flex;gap:12px;margin-top:12px}.mode-option{flex:1;display:flex;align-items:center;justify-content:center;cursor:pointer;border:2px solid #e2e8f0;border-radius:8px;padding:14px;min-height:60px;transition:all .2s}.mode-option:hover{border-color:#cbd5e0;background:#f7fafc}.mode-option:has(input:disabled){opacity:.5;cursor:not-allowed;pointer-events:none}.mode-option input[type=radio]{display:none}.mode-option input:checked~.mode-content{color:#667eea}.mode-option:has(input:checked){border-color:#667eea;background:#f0f4ff}.mode-option:focus-within{outline:3px solid #667eea;outline-offset:2px;box-shadow:0 0 0 3px #667eea33}.mode-content{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;min-height:32px}.mode-content strong{display:block;font-size:15px;line-height:1.5;margin:0;padding:1px 0;align-self:center}.mode-content small{display:block;color:#718096;font-size:12px;margin-top:4px;align-self:center}.key-display{background:#f7fafc;border:2px solid #48bb78;border-radius:8px;padding:16px;margin-top:12px}.key-row{display:grid;grid-template-columns:140px 1fr;gap:12px;margin-bottom:8px;align-items:center}.key-row:last-child{margin-bottom:0}.key-label{font-size:13px;font-weight:600;color:#4a5568}.address-code{font-family:Courier New,monospace;font-size:12px;word-break:break-all;color:#2d3748;background:#fff;padding:8px;border-radius:4px}.input-group{margin-bottom:16px}.input-group:last-child{margin-bottom:0}.input-group label{display:block;font-size:13px;font-weight:600;color:#4a5568;margin-bottom:6px}.wallet-info{background:#f7fafc;border:2px solid #e2e8f0;border-radius:8px;padding:16px;margin-top:12px;font-family:Courier New,monospace;font-size:13px;color:#2d3748;word-break:break-all}.wallet-info.connected{border-color:#48bb78;background:#f0fff4}input[type=number]{width:100%;padding:12px;border:2px solid #e2e8f0;border-radius:8px;font-size:16px;transition:border-color .2s}input[type=number]:focus{outline:none;border-color:#667eea}.endpoint-toggle{background:#edf2f7;border-radius:8px;padding:16px;margin-bottom:24px;display:none;align-items:center;justify-content:space-between}.endpoint-toggle.visible{display:flex}.endpoint-label{font-size:14px;font-weight:600;color:#4a5568}.toggle-switch{position:relative;display:inline-block;width:60px;height:30px}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;inset:0;background-color:#cbd5e0;transition:.3s;border-radius:30px}.toggle-slider:before{position:absolute;content:"";height:22px;width:22px;left:4px;bottom:4px;background-color:#fff;transition:.3s;border-radius:50%}input:checked+.toggle-slider{background-color:#667eea}input:checked+.toggle-slider:before{transform:translate(30px)}.toggle-switch:focus-within .toggle-slider{outline:3px solid #667eea;outline-offset:2px}.endpoint-info{font-size:12px;color:#718096;margin-top:4px}.status-log{background:#1a202c;border-radius:8px;padding:16px;height:150px;overflow-y:auto;font-family:Courier New,monospace;font-size:13px;color:#e2e8f0;line-height:1.6}.status-log:empty:before{content:"Status messages will appear here...";color:#718096}.status-entry{margin-bottom:8px;padding-left:20px;position:relative}.status-entry:before{content:"▸";position:absolute;left:0;color:#667eea}.status-entry.success:before{content:"✓";color:#48bb78}.status-entry.error:before{content:"✗";color:#f56565}.status-result-container{display:grid;grid-template-columns:2fr 1fr;gap:24px;margin-top:24px}.result-box{border-radius:8px;padding:24px;text-align:center;background:#e2e8f0;color:#4a5568;border:2px solid #cbd5e0;transition:all .3s ease;height:150px;display:flex;flex-direction:column;justify-content:center}.result-box.pending{background:#e2e8f0;color:#4a5568;border-color:#cbd5e0}.result-box.processing{background:linear-gradient(135deg,#ff6b6b,#ffa94d,#ffd43b,#51cf66,#74c0fc,#9775fa,#f783ac,#ff6b6b,#ffa94d,#ffd43b,#51cf66,#74c0fc,#9775fa,#f783ac,#ff6b6b,#ffa94d,#ffd43b,#51cf66,#74c0fc,#9775fa,#f783ac,#ff6b6b,#ffa94d,#ffd43b,#51cf66,#74c0fc,#9775fa,#f783ac,#ff6b6b,#ffa94d,#ffd43b,#51cf66,#ff6b6b);background-size:1500% 1500%;animation:rainbow-wave 120s linear infinite;color:#fff;border-color:#667eea;will-change:background-position}@keyframes rainbow-wave{0%{background-position:0% 0%}to{background-position:250% 250%}}@media (prefers-reduced-motion: reduce){.result-box.processing{animation:none;background:#667eea}}.result-box.approved{background:linear-gradient(135deg,#48bb78,#38a169);color:#fff;border-color:#48bb78}.result-box.rejected{background:linear-gradient(135deg,#f56565,#e53e3e);color:#fff;border-color:#f56565}.result-value{font-size:24px;font-weight:700;margin:8px 0}.result-label{font-size:14px;opacity:.9;margin-bottom:4px}.error-box{background:#fed7d7;color:#c53030;border-radius:8px;padding:16px;margin-top:16px;display:none}.error-box.show{display:block}.code-display{background:#1a202c;border-radius:8px 8px 0 0;padding:12px;font-family:Courier New,monospace;font-size:12px;color:#e2e8f0;line-height:1.4;overflow-x:auto;border-bottom:none}.code-display code{display:block;white-space:pre}.code-display-desktop{display:block}.code-display-mobile{display:none}.code-keyword{color:#bb86fc}.code-type{color:#64b5f6}.code-function{color:#ffd54f}.code-comment{color:#7f848e;font-style:italic}.code-operator{color:#ff5252}.code-display+button{border-radius:0 0 8px 8px;margin-top:0}@media (min-width: 768px){#step2Section{margin-top:2px}}@media (max-width: 1023px){.container{padding:30px;max-width:100%}.two-column-layout{gap:24px}h1{font-size:24px}.code-display{font-size:11px;padding:10px}}@media (max-width: 767px){body{padding:12px}.container{padding:20px;border-radius:12px;max-width:100vw;box-sizing:border-box}.section{max-width:100%;overflow-x:hidden}.two-column-layout,.left-column,.right-column{max-width:100%}h1{font-size:22px;margin-bottom:6px}.subtitle{font-size:13px;margin-bottom:20px;line-height:1.4}.demo-description{font-size:12px;line-height:1.5;margin-bottom:16px}.section-title{font-size:13px;margin-bottom:10px}.two-column-layout{grid-template-columns:1fr;gap:20px}.status-result-container{grid-template-columns:1fr;gap:16px;margin-top:0!important}.status-log{order:2;height:180px;font-size:12px}#resultBox{order:1;height:90px}.result-value{font-size:20px}.result-label{font-size:13px}button{padding:14px 24px;font-size:16px;min-height:48px;width:100%;max-width:100%;box-sizing:border-box}.mode-selector{max-width:100%;box-sizing:border-box;gap:16px}.mode-option{padding:16px;min-height:48px;max-width:100%;box-sizing:border-box}.mode-content strong{font-size:14px;line-height:1.4}.mode-content small{font-size:11px;margin-top:4px}.code-display-desktop{display:none!important}.code-display-mobile{display:block!important}.code-display{height:auto;min-height:324px;width:100%;overflow:visible;font-size:12px;line-height:1.4;padding:10px;box-sizing:border-box;-webkit-text-size-adjust:none;text-size-adjust:none}.code-display code{display:block;white-space:pre;-webkit-text-size-adjust:none;text-size-adjust:none}input[type=number]{padding:14px;font-size:16px;min-height:48px}.key-row{grid-template-columns:1fr;gap:8px}.key-label{font-size:12px}.address-code{font-size:11px;padding:6px}.wallet-info{font-size:12px;padding:12px}.endpoint-toggle{flex-direction:column;gap:12px;padding:12px}.endpoint-label{font-size:13px}.endpoint-info{font-size:11px}.input-group{margin-bottom:20px;max-width:100%;box-sizing:border-box;padding-bottom:0!important}.input-group label{max-width:100%}.error-box{font-size:14px;padding:12px}}@media (max-width: 479px){.container{padding:16px}h1{font-size:20px}.subtitle{font-size:12px}.demo-description{font-size:11px;line-height:1.5}button{padding:16px 20px;font-size:15px}.mode-option{width:auto}.code-display{min-height:288px;font-size:11px;overflow:visible;-webkit-text-size-adjust:none;text-size-adjust:none}.code-display code{white-space:pre;-webkit-text-size-adjust:none;text-size-adjust:none}}@media (max-width: 767px) and (orientation: landscape){.container{padding:16px}.status-log{height:140px}#resultBox{height:80px}.code-display{min-height:243px;overflow:visible;-webkit-text-size-adjust:none;text-size-adjust:none}.code-display code{white-space:pre;-webkit-text-size-adjust:none;text-size-adjust:none}}