:root{--color-primary: #0066FF;--color-primary-hover: #0052CC;--color-success: #00C853;--color-error: #FF3B30;--color-warning: #FF9500;--color-bg: #FFFFFF;--color-surface: #F5F5F7;--color-text: #1D1D1F;--color-text-secondary: #86868B;--color-border: #E5E5EA;--radius-card: 12px;--radius-button: 24px;--radius-input: 12px;--font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--max-width: 430px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{font-family:var(--font-family);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100dvh}body{overscroll-behavior:none}#root{min-height:100dvh;display:flex;justify-content:center}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}input,button,textarea{font-family:inherit;font-size:inherit}.layout{width:100%;max-width:var(--max-width);min-height:100dvh;padding:16px;padding-top:calc(16px + var(--safe-top));padding-bottom:calc(16px + var(--safe-bottom));display:flex;flex-direction:column;position:relative}.header{display:flex;align-items:center;justify-content:space-between;padding:8px 0;margin-bottom:16px}.header__title{font-size:17px;font-weight:600;flex:1;text-align:center}.header__left,.header__right{width:44px;display:flex;align-items:center}.header__right{justify-content:flex-end}.back-btn{background:none;border:none;cursor:pointer;padding:8px;margin:-8px;color:var(--color-primary);font-size:17px;font-weight:500;display:flex;align-items:center;gap:4px}.back-btn:before{content:"‹";font-size:24px;line-height:1}.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:16px 24px;border:none;border-radius:var(--radius-button);font-size:17px;font-weight:600;cursor:pointer;transition:background-color .15s,opacity .15s;-webkit-tap-highlight-color:transparent}.btn:active{opacity:.85}.btn:disabled{opacity:.4;cursor:not-allowed}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn--secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn--secondary:hover:not(:disabled){background:#ebebed}.btn--danger{background:var(--color-error);color:#fff}.btn--danger:hover:not(:disabled){background:#e0342b}.btn--small{padding:10px 20px;font-size:15px;border-radius:20px}.btn--outline{background:transparent;color:var(--color-primary);border:1.5px solid var(--color-primary)}.input-group{margin-bottom:16px}.input-group__label{display:block;font-size:13px;font-weight:500;color:var(--color-text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.input{width:100%;padding:14px 16px;border:1.5px solid var(--color-border);border-radius:var(--radius-input);font-size:16px;color:var(--color-text);background:var(--color-bg);transition:border-color .15s;outline:none}.input:focus{border-color:var(--color-primary)}.input--error{border-color:var(--color-error)}.input-row{display:flex;gap:8px;align-items:stretch}.input-row .input{flex:1}.input-row .btn{width:auto;flex-shrink:0}.card{background:var(--color-surface);border-radius:var(--radius-card);padding:16px;margin-bottom:12px}.card--bordered{background:var(--color-bg);border:1px solid var(--color-border)}.balance{text-align:center;padding:32px 0}.balance__amount{font-size:56px;font-weight:700;letter-spacing:-2px;line-height:1.1}.balance__label{font-size:15px;color:var(--color-text-secondary);margin-top:4px}.actions-row{display:flex;gap:12px;margin-bottom:32px}.actions-row .btn{flex:1}.address{display:inline-flex;align-items:center;gap:6px;font-family:SF Mono,Fira Code,Consolas,monospace;font-size:14px;color:var(--color-text-secondary);cursor:pointer;padding:6px 12px;border-radius:8px;background:var(--color-surface);transition:background .15s}.address:hover{background:#ebebed}.address--full{font-size:13px;word-break:break-all;display:block;text-align:center;line-height:1.5}.address__copy{font-size:12px;color:var(--color-primary);font-family:var(--font-family)}.tx-list{list-style:none}.tx-list__header{font-size:13px;font-weight:600;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.tx-item{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--color-border);cursor:pointer;transition:background .1s}.tx-item:last-child{border-bottom:none}.tx-item__icon{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.tx-item__icon--sent{background:#fff0f0;color:var(--color-error)}.tx-item__icon--received{background:#f0fff4;color:var(--color-success)}.tx-item__details{flex:1;min-width:0}.tx-item__label{font-size:15px;font-weight:500}.tx-item__address{font-size:13px;color:var(--color-text-secondary);font-family:SF Mono,Fira Code,Consolas,monospace}.tx-item__right{text-align:right;flex-shrink:0}.tx-item__amount{font-size:15px;font-weight:600}.tx-item__amount--sent{color:var(--color-text)}.tx-item__amount--received{color:var(--color-success)}.tx-item__time{font-size:12px;color:var(--color-text-secondary)}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:12px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.3px}.badge--pending{background:#fff8e1;color:var(--color-warning)}.badge--confirmed{background:#f0fff4;color:var(--color-success)}.badge--failed{background:#fff0f0;color:var(--color-error)}.badge--grey{background:var(--color-surface);color:var(--color-text-secondary)}.badge--warning{background:#fff3e0;color:#e65100}.section-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-secondary);margin-bottom:8px;padding-left:4px}.dev-notice{margin-top:24px;padding:12px 16px;background:#fff3e0;border:1px solid #FFE0B2;border-radius:12px;font-size:13px;line-height:1.5;color:#bf360c}.logout-btn{display:block;width:100%;padding:14px;border:1px solid var(--color-error);border-radius:var(--radius-btn);background:none;color:var(--color-error);font-size:15px;font-weight:500;cursor:pointer;transition:background .15s,color .15s}.logout-btn:active{background:var(--color-error);color:#fff}.qr-container{display:flex;flex-direction:column;align-items:center;padding:32px;background:var(--color-bg);border-radius:var(--radius-card);border:1px solid var(--color-border)}.spinner{width:32px;height:32px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .7s linear infinite}.spinner--large{width:56px;height:56px;border-width:4px}.spinner--white{border-color:#ffffff4d;border-top-color:#fff}@keyframes spin{to{transform:rotate(360deg)}}.center-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:32px}.center-state__icon{font-size:64px;line-height:1}.center-state__title{font-size:22px;font-weight:700}.center-state__subtitle{font-size:15px;color:var(--color-text-secondary);line-height:1.5;max-width:280px}.confirm-card{background:var(--color-surface);border-radius:var(--radius-card);padding:20px;margin:16px 0}.confirm-card__row{display:flex;justify-content:space-between;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--color-border)}.confirm-card__row:last-child{border-bottom:none}.confirm-card__label{font-size:14px;color:var(--color-text-secondary)}.confirm-card__value{font-size:14px;font-weight:500;text-align:right;max-width:60%;word-break:break-all;font-family:SF Mono,Fira Code,Consolas,monospace}.confirm-card__value--highlight{font-family:var(--font-family);font-size:20px;font-weight:700}.success-check{width:80px;height:80px;border-radius:50%;background:var(--color-success);display:flex;align-items:center;justify-content:center;margin:0 auto}.success-check:after{content:"";width:24px;height:40px;border:4px solid #fff;border-top:none;border-left:none;transform:rotate(45deg) translateY(-4px)}.strength-bar{display:flex;gap:4px;margin:8px 0}.strength-bar__segment{flex:1;height:4px;border-radius:2px;background:var(--color-border);transition:background .2s}.strength-bar__segment--filled-0,.strength-bar__segment--filled-1{background:var(--color-error)}.strength-bar__segment--filled-2{background:var(--color-warning)}.strength-bar__segment--filled-3{background:#ffd600}.strength-bar__segment--filled-4,.strength-bar__segment--filled-5{background:var(--color-success)}.strength-label{font-size:12px;font-weight:500;margin-top:2px}.settings-list{list-style:none}.settings-item{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--color-border);cursor:pointer}.settings-item:last-child{border-bottom:none}.settings-item__label{font-size:16px}.settings-item__arrow:after{content:"›";font-size:22px;color:var(--color-text-secondary)}.settings-item__value{font-size:14px;color:var(--color-text-secondary)}.security-card{background:var(--color-surface);border-radius:var(--radius-card);padding:16px;margin-bottom:12px;display:flex;align-items:center;justify-content:space-between;gap:12px}.security-card__info{flex:1}.security-card__title{font-size:16px;font-weight:600;margin-bottom:2px}.security-card__desc{font-size:13px;color:var(--color-text-secondary)}.toast{position:fixed;bottom:calc(24px + var(--safe-bottom));left:50%;transform:translate(-50%);background:var(--color-text);color:#fff;padding:10px 20px;border-radius:20px;font-size:14px;font-weight:500;animation:toast-in .2s ease-out;z-index:100}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(8px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.spacer{flex:1}.mt-auto{margin-top:auto}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mb-32{margin-bottom:32px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.text-center{text-align:center}.text-secondary{color:var(--color-text-secondary)}.text-error{color:var(--color-error)}.text-sm{font-size:13px}.amount-display{text-align:center;padding:24px 0}.amount-display__value{font-size:48px;font-weight:700;letter-spacing:-1px}.amount-display__currency{font-size:15px;color:var(--color-text-secondary);margin-top:4px}.error-msg{background:#fff0f0;color:var(--color-error);padding:12px 16px;border-radius:var(--radius-card);font-size:14px;margin-bottom:16px}.password-wrapper{position:relative}.password-wrapper .input{padding-right:52px}.password-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;font-size:13px;color:var(--color-primary);font-weight:500}.qr-scan-btn{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius);border:1px solid var(--color-border);background:var(--color-surface);cursor:pointer;flex-shrink:0}.qr-scan-btn svg{width:20px;height:20px;color:var(--color-text-secondary)}.qr-scan-btn:active{background:var(--color-border)}.qr-scanner-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000000d9;display:flex;align-items:center;justify-content:center;padding:24px}.qr-scanner-container{width:100%;max-width:360px;background:var(--color-bg);border-radius:16px;overflow:hidden}.qr-scanner-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;font-weight:600;font-size:16px}.qr-scanner-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--color-text-secondary);padding:4px}.qr-scanner-viewfinder{position:relative;width:100%;aspect-ratio:1;background:#000}.qr-scanner-video{width:100%;height:100%;object-fit:cover}.qr-scanner-frame{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:200px;height:200px;border:2px solid rgba(255,255,255,.6);border-radius:16px;box-shadow:0 0 0 9999px #0006}.qr-scanner-error{padding:40px 20px;text-align:center;color:var(--color-error);font-size:14px}