:root{--color-bg: #f7f7f9;--color-surface: #ffffff;--color-border: #e4e4e9;--color-text: #16171a;--color-text-muted: #6b6d76;--color-primary: #0275fe;--color-primary-hover: #0858c5;--color-primary-active: #023743;--color-primary-text: #ffffff;--color-danger: #d1373f;--color-danger-bg: #fdecee;--color-success: #1a8f5e;--color-success-bg: #e9f8f1;--radius: 14px;--shadow: 0 1px 2px rgba(16, 17, 20, .04), 0 8px 24px rgba(16, 17, 20, .06);--title-font-size-mobile: 20px;--title-font-size-tablet: 24px;--title-font-size-desktop: 28px;--text-font-size-mobile: 14px;--text-font-size-tablet: 15px;--text-font-size-desktop: 16px}*{box-sizing:border-box}html,body{height:100%}body{margin:0;min-height:100dvh;background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior-y:none}#root{min-height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}button,input{font-family:inherit}button{cursor:pointer;min-height:44px;touch-action:manipulation}button:disabled{cursor:not-allowed;opacity:.55}input{min-height:44px}.screen{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 16px}.card{width:100%;max-width:420px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.stack{display:flex;flex-direction:column;gap:16px}.brand{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:24px;text-align:center}.brand-mark{width:48px;height:48px;border-radius:12px;background:var(--color-primary);display:flex;align-items:center;justify-content:center;color:var(--color-primary-text);font-weight:700;font-size:20px}h1{color:var(--color-text);font-family:Inter,sans-serif;font-weight:700;font-size:var(--title-font-size-mobile);line-height:150%;margin:0}h2{color:var(--color-text);font-family:Inter,sans-serif;font-weight:700;font-size:16px;margin:0 0 12px}p{margin:0;color:var(--color-text-muted);font-family:Inter,sans-serif;font-weight:400;font-size:var(--text-font-size-mobile);line-height:150%}@media(min-width:481px)and (max-width:1024px){h1{font-size:var(--title-font-size-tablet)}p{font-size:var(--text-font-size-tablet)}}@media(min-width:1025px){h1{font-size:var(--title-font-size-desktop)}p{font-size:var(--text-font-size-desktop)}}.btn{border:none;border-radius:18px;padding:0 24px;height:54px;font-size:var(--text-font-size-desktop);font-weight:500;transition:all .2s ease}@media(max-width:600px){.btn{height:48px;padding:0 20px;font-size:var(--text-font-size-mobile)}}@media(min-width:601px)and (max-width:1024px){.btn{height:52px;padding:0 22px;font-size:var(--text-font-size-tablet)}}.btn-primary{background:var(--color-primary);color:var(--color-primary-text)}.btn-primary:not(:disabled):hover{background:var(--color-primary-hover);transform:translateY(-1px)}.btn-primary:not(:disabled):active{background:var(--color-primary-active);transform:translateY(0)}.btn-secondary{background:transparent;border:1px solid var(--color-border);color:var(--color-text)}.btn-block{width:100%}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:13px;font-weight:600;color:var(--color-text-muted)}.field input{border:1px solid var(--color-border);border-radius:10px;padding:0 14px;font-size:15px;background:var(--color-bg);color:var(--color-text)}.field input:focus{outline:2px solid var(--color-primary);outline-offset:-1px}.app-shell{min-height:100dvh;display:flex;flex-direction:column;max-width:480px;margin:0 auto;padding:16px;gap:16px}.app-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.app-header .identity{min-width:0}.app-header .identity span{display:block;font-size:13px;color:var(--color-text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.address-row{display:flex;align-items:center;gap:8px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:10px;padding:10px 12px}.address-row code{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.balance{display:flex;align-items:baseline;justify-content:space-between;margin:12px 0}.balance strong{font-size:28px}.banner{border-radius:10px;padding:12px 14px;font-size:13px;line-height:1.5;word-break:break-word}.banner-error{background:var(--color-danger-bg);color:var(--color-danger)}.banner-success{background:var(--color-success-bg);color:var(--color-success)}.banner a{color:inherit;font-weight:600}.spinner{width:16px;height:16px;border-radius:50%;border:2px solid currentColor;border-top-color:transparent;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.hint{font-size:12px;color:var(--color-text-muted)}.flutter-bridge-toggle{position:fixed;bottom:16px;right:16px;z-index:9999;min-height:36px;padding:8px 12px;border-radius:999px;border:1px solid #b45309;background:#fef3c7;color:#92400e;font-size:12px;font-weight:600;box-shadow:var(--shadow)}.flutter-bridge-panel{position:fixed;bottom:16px;right:16px;left:16px;z-index:9999;max-width:360px;margin-left:auto;display:flex;flex-direction:column;gap:10px;padding:14px;border-radius:var(--radius);border:1px solid #b45309;background:#fef3c7;color:#92400e;box-shadow:var(--shadow);font-size:13px}.flutter-bridge-panel-header{display:flex;align-items:center;justify-content:space-between}.flutter-bridge-panel-header button{min-height:auto;padding:0 6px;border:none;background:transparent;color:inherit;font-size:18px;line-height:1}.flutter-bridge-panel label{display:flex;flex-direction:column;gap:4px;font-size:12px;font-weight:600}.flutter-bridge-panel textarea,.flutter-bridge-panel input[type=text],.flutter-bridge-panel input:not([type]){font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;padding:6px 8px;border-radius:8px;border:1px solid #d97706;background:#fffbeb;color:#1a1b1f;resize:vertical}.flutter-bridge-actions{display:flex;gap:8px}.flutter-bridge-actions button{flex:1;min-height:36px;padding:0 10px;border-radius:8px;border:1px solid #b45309;background:#fbbf24;color:#1a1b1f;font-weight:600;font-size:12px}.flutter-bridge-actions button:last-child{background:transparent}