*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0a0a0a;--bg-card: #141414;--bg-input: #1a1a1a;--bg-hover: #1e1e1e;--bg-active: #252525;--text: #e8e8e8;--text-secondary: #999;--text-muted: #666;--text-bright: #fff;--border: #2a2a2a;--border-focus: #555;--primary: #3b82f6;--primary-hover: #2563eb;--primary-text: #fff;--accent: #f59e0b;--accent-hover: #d97706;--accent-text: #000;--success: #22c55e;--success-bg: rgba(34, 197, 94, .1);--error: #ef4444;--error-bg: rgba(239, 68, 68, .1);--info-bg: rgba(59, 130, 246, .08);--danger: #dc2626;--danger-hover: #b91c1c;--risk-critical: #ef4444;--risk-high: #f97316;--risk-medium: #eab308;--risk-low: #22c55e;--radius: 10px;--radius-sm: 6px;--radius-lg: 14px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: "SF Mono", "Fira Code", "Cascadia Code", "Consolas", monospace;--safe-area-top: env(safe-area-inset-top, 0px);--safe-area-bottom: env(safe-area-inset-bottom, 0px)}html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%;overscroll-behavior:none;-webkit-user-select:none;user-select:none}body{padding-top:var(--safe-area-top);padding-bottom:var(--safe-area-bottom)}#app{max-width:480px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column}.page-header{display:flex;align-items:center;gap:12px;padding:16px 20px 12px;border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0;z-index:10}.page-header h1{font-size:18px;font-weight:600;color:var(--text-bright);flex:1}.btn-back{background:none;border:none;color:var(--primary);font-size:15px;font-family:var(--font);cursor:pointer;padding:6px 4px;white-space:nowrap;flex-shrink:0}.btn-back:active{opacity:.6}.screen-content{flex:1;padding:20px;display:flex;flex-direction:column;gap:14px;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(20px + var(--safe-area-bottom))}.desc-text{color:var(--text-secondary);font-size:14px;line-height:1.6}.backup-text{background:var(--bg-main, #0c0c1a);border:1px solid var(--border, #2a2a3e);border-radius:10px;padding:14px;font-family:SF Mono,Consolas,monospace;font-size:11px;line-height:1.5;color:var(--text-primary, #e8e8f0);word-break:break-all;-webkit-user-select:all;user-select:all}.textarea-field{display:block;width:100%;padding:12px 14px;background:var(--bg-main, #0c0c1a);border:1px solid var(--border, #2a2a3e);border-radius:10px;color:var(--text-primary, #e8e8f0);font-family:SF Mono,Consolas,monospace;font-size:12px;line-height:1.5;resize:vertical;outline:none;margin-bottom:12px}.textarea-field:focus{border-color:var(--accent, #4a90d9)}.empty-text{color:var(--text-muted);font-size:14px;text-align:center;padding:40px 20px}.label-text{font-size:13px;color:var(--text-secondary);margin-bottom:4px}.security-note{font-size:13px;color:var(--text-muted);padding:10px 14px;border-left:3px solid var(--primary);background:var(--info-bg);border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin-top:4px}.section-title{font-size:15px;font-weight:600;color:var(--text-bright);margin-top:8px}.input-field{width:100%;padding:14px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:15px;font-family:var(--font);outline:none;transition:border-color .15s;-webkit-appearance:none}.input-field::placeholder{color:var(--text-muted)}.input-field:focus{border-color:var(--border-focus);background:var(--bg-hover)}.input-field:disabled{opacity:.4}select.input-field{cursor:pointer;padding-right:36px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23999'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}.btn{display:block;width:100%;padding:14px 20px;border:none;border-radius:var(--radius);font-size:15px;font-weight:600;font-family:var(--font);cursor:pointer;transition:background .15s,opacity .15s,transform .1s;text-align:center;-webkit-tap-highlight-color:transparent}.btn:active:not(:disabled){transform:scale(.98)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--primary);color:var(--primary-text)}.btn-primary:active:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--bg-active);color:var(--text);border:1px solid var(--border)}.btn-secondary:active:not(:disabled){background:var(--border)}.btn-accent{background:var(--accent);color:var(--accent-text)}.btn-accent:active:not(:disabled){background:var(--accent-hover)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.btn-ghost:active:not(:disabled){background:var(--bg-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:active:not(:disabled){background:var(--danger-hover)}.btn-large{padding:18px 20px;font-size:16px}.msg-box{display:flex;flex-direction:column;gap:8px}.status-msg{padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;line-height:1.5}.status-info{background:var(--info-bg);color:var(--primary);border:1px solid rgba(59,130,246,.15)}.status-error{background:var(--error-bg);color:var(--error);border:1px solid rgba(239,68,68,.15)}.status-success{background:var(--success-bg);color:var(--success);border:1px solid rgba(34,197,94,.15)}.lock-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 32px;gap:12px;min-height:100vh}.lock-logo{font-size:42px;font-weight:800;letter-spacing:6px;color:var(--text-bright);margin-bottom:-4px}.lock-subtitle{font-size:14px;font-weight:400;color:var(--text-muted);letter-spacing:2px;text-transform:uppercase;margin-bottom:40px}.lock-screen .input-field{max-width:280px;text-align:center;font-size:20px;letter-spacing:4px}.lock-screen .btn{max-width:280px}.lock-screen .msg-box{max-width:280px;width:100%}.key-list{display:flex;flex-direction:column;gap:8px}.key-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;cursor:pointer;transition:background .15s,border-color .15s}.key-item:active{background:var(--bg-hover);border-color:var(--border-focus)}.key-label{font-size:15px;font-weight:600;color:var(--text-bright);margin-bottom:4px}.key-address{font-family:var(--font-mono);font-size:12px;color:var(--text-secondary);word-break:break-all;line-height:1.4}.key-time{font-size:12px;color:var(--text-muted);margin-top:6px}.key-count{font-size:13px;color:var(--text-muted);text-align:center;padding:4px 0}.chain-bar{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--bg-card, #1a1a2e);border:1px solid var(--border, #2a2a3e);border-radius:10px;margin-bottom:12px}.chain-label-text{font-size:13px;font-weight:600;color:var(--text-secondary, #a0a0c0);white-space:nowrap}.chain-select{flex:1;padding:8px 32px 8px 10px;background:var(--bg-main, #0c0c1a);border:1px solid var(--border, #2a2a3e);border-radius:8px;color:var(--text-primary, #e8e8f0);font-size:13px;font-family:inherit;cursor:pointer;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238888a0' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}.chain-select:focus{border-color:var(--accent, #4a90d9)}.chain-select option{background:var(--bg-card, #1a1a2e);color:var(--text-primary, #e8e8f0)}.chain-tag{font-size:12px;color:var(--text-muted);font-family:SF Mono,Consolas,monospace}.chain-warning{padding:10px 14px;background:#ffcc001f;border:1px solid rgba(255,204,0,.3);border-radius:10px;color:#fc0;font-size:13px;font-weight:500;margin-bottom:10px}.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}.action-grid .btn{padding:16px 12px;font-size:14px}.result-box{display:flex;flex-direction:column;gap:12px}.generated-address{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.address-value{font-family:var(--font-mono);font-size:13px;color:var(--primary);word-break:break-all;line-height:1.5;cursor:pointer;padding:8px 0 4px;transition:color .15s}.address-value:active{color:var(--primary-hover)}.detail-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:4px}.detail-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:10px}.detail-label:first-child{margin-top:0}.detail-value{font-size:15px;color:var(--text);word-break:break-all}.detail-value.address-mono{font-family:var(--font-mono);font-size:13px;color:var(--primary);cursor:pointer;line-height:1.5}.detail-value.address-mono:active{color:var(--primary-hover)}.qr-container{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 0}.qr-image{width:220px;height:220px;border-radius:var(--radius);background:#fff;padding:8px}.qr-chunk-label{font-size:13px;color:var(--text-secondary);font-weight:500}.scanner-container{width:100%;max-width:340px;aspect-ratio:1;margin:0 auto;border-radius:var(--radius-lg);overflow:hidden;border:2px solid var(--border);background:#000}.scanner-container video{border-radius:var(--radius-lg);object-fit:cover}.scanner-container #qr-shaded-region{border-color:var(--accent)!important}.safe-info-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;display:flex;flex-direction:column;gap:4px}.safe-name{font-size:16px;font-weight:700;color:var(--text-bright)}.safe-threshold{font-size:13px;color:var(--accent);font-weight:600}.safe-address-small{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);word-break:break-all;line-height:1.4;margin-top:2px}.tx-detail-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:6px}.tx-title{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:4px}.tx-function-name{font-size:15px;font-weight:700;color:var(--text-bright)}.risk-badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:700;letter-spacing:.5px}.risk-critical{background:#ef444426;color:var(--risk-critical);border:1px solid rgba(239,68,68,.3)}.risk-high{background:#f9731626;color:var(--risk-high);border:1px solid rgba(249,115,22,.3)}.risk-medium{background:#eab30826;color:var(--risk-medium);border:1px solid rgba(234,179,8,.3)}.risk-low{background:#22c55e26;color:var(--risk-low);border:1px solid rgba(34,197,94,.3)}.tx-desc{font-size:13px;color:var(--text-secondary);line-height:1.5;margin-bottom:4px}.tx-section-title{font-size:13px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.5px;margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}.tx-param-label{font-size:12px;color:var(--text-muted);margin-top:6px}.tx-param-value{font-family:var(--font-mono);font-size:12px;color:var(--text);word-break:break-all;line-height:1.5;padding:4px 0}.multisend-op{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;margin-top:6px;display:flex;flex-direction:column;gap:3px}.op-index{font-size:11px;font-weight:700;color:var(--accent)}.op-name{font-size:14px;font-weight:600;color:var(--text-bright)}.op-target{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);word-break:break-all}.op-param{font-family:var(--font-mono);font-size:11px;color:var(--text-secondary);word-break:break-all;line-height:1.4}.key-selector{display:flex;flex-direction:column;gap:6px}.key-checkbox-row{display:flex;align-items:center;gap:12px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;cursor:pointer;transition:background .15s,border-color .15s}.key-checkbox-row:active{background:var(--bg-hover)}.key-checkbox-row input[type=checkbox]{width:20px;height:20px;flex-shrink:0;accent-color:var(--primary);cursor:pointer}.key-cb-label{font-size:14px;font-weight:600;color:var(--text);flex:1;min-width:0}.key-cb-addr{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);flex-shrink:0}.safe-name-result{text-align:center;font-size:14px;color:var(--text-secondary);font-family:var(--font-mono)}.result-hint{font-size:13px;color:var(--text-muted);text-align:center;line-height:1.6;padding:0 16px}.settings-info{font-size:14px;color:var(--text-secondary);padding:4px 0}.settings-section-title{font-size:13px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:16px;margin-bottom:-4px}.spacer{height:12px}.version-text{font-size:12px;color:var(--text-muted);text-align:center;padding:20px 0 8px}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.screen-content,.lock-screen{animation:fadeIn .2s ease-out}@media (max-width: 360px){.page-header h1{font-size:16px}.lock-logo{font-size:36px}.qr-image{width:180px;height:180px}.scanner-container{max-width:280px}}@media (min-width: 481px){#app{border-left:1px solid var(--border);border-right:1px solid var(--border)}}