:root{--bg-primary: #0f1117;--bg-secondary: #161822;--bg-tertiary: #1c1f2e;--bg-hover: #252838;--bg-active: #2a2d3f;--border: #2a2d3f;--border-light: #363a50;--text-primary: #e4e6f0;--text-secondary: #8b8fa3;--text-tertiary: #5c6078;--accent: #f7931a;--accent-hover: #ffb04a;--accent-dim: rgba(247, 147, 26, .12);--green: #30d158;--green-dim: rgba(48, 209, 88, .12);--red: #ff453a;--red-dim: rgba(255, 69, 58, .12);--blue: #0a84ff;--blue-dim: rgba(10, 132, 255, .12);--yellow: #ffd60a;--yellow-dim: rgba(255, 214, 10, .12);--radius: 8px;--radius-lg: 12px;--radius-xl: 16px;--sidebar-width: 260px;--header-height: 72px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;line-height:1.5}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);min-height:100vh;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;overflow-y:auto}.sidebar-header{padding:20px 20px 16px;border-bottom:1px solid var(--border)}.sidebar-logo{display:flex;align-items:center;gap:10px}.sidebar-logo-icon{width:36px;height:36px;background:var(--accent);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;color:#000}.sidebar-logo-text{font-size:16px;font-weight:700;color:var(--text-primary)}.sidebar-logo-sub{font-size:11px;color:var(--text-tertiary);margin-top:2px}.sidebar-section{padding:16px 12px}.sidebar-section-title{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-tertiary);padding:0 8px;margin-bottom:8px}.sidebar-nav{list-style:none;display:flex;flex-direction:column;gap:2px}.sidebar-nav-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius);cursor:pointer;font-size:14px;color:var(--text-secondary);transition:all .15s;border:none;background:none;width:100%;text-align:left}.sidebar-nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-nav-item.active{background:var(--accent-dim);color:var(--accent);font-weight:500}.sidebar-nav-icon{width:20px;text-align:center;font-size:16px;flex-shrink:0}.sidebar-nav-badge{margin-left:auto;font-size:11px;color:var(--text-tertiary);font-weight:500}.sidebar-wallets{margin-top:auto;border-top:1px solid var(--border);padding:16px 12px}.sidebar-wallet-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius);cursor:pointer;font-size:13px;color:var(--text-secondary);transition:all .15s;border:none;background:none;width:100%;text-align:left}.sidebar-wallet-item:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-wallet-item.active{background:var(--bg-active);color:var(--text-primary)}.sidebar-wallet-dot{width:8px;height:8px;border-radius:50%;background:var(--green);flex-shrink:0}.sidebar-wallet-dot.locked{background:var(--yellow)}.sidebar-wallet-name{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-wallet-fp{margin-left:auto;font-size:10px;font-family:SF Mono,Fira Code,monospace;color:var(--text-tertiary)}.main-content{flex:1;margin-left:var(--sidebar-width);min-height:100vh;display:flex;flex-direction:column}.balance-header{position:sticky;top:0;z-index:50;background:var(--bg-primary);border-bottom:1px solid var(--border);padding:16px 28px;display:flex;align-items:center;gap:20px;height:var(--header-height)}.balance-group{flex:1}.balance-btc{font-size:28px;font-weight:700;letter-spacing:-.02em;display:flex;align-items:baseline;gap:6px}.balance-btc-value{color:var(--text-primary)}.balance-btc-unit{font-size:14px;font-weight:500;color:var(--text-tertiary)}.balance-fiat{font-size:14px;color:var(--text-secondary);margin-top:2px;display:flex;align-items:center;gap:6px}.balance-fiat-rate{color:var(--text-tertiary);font-size:12px}.balance-actions{display:flex;gap:8px}.balance-actions .btn{padding:8px 20px;font-size:14px}.header-spacer{flex:1}.header-refresh{width:36px;height:36px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;transition:all .15s}.header-refresh:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-light)}.header-refresh:disabled{opacity:.5;cursor:not-allowed}.header-refresh.spinning{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.tab-content{padding:24px 28px;flex:1}.section{margin-bottom:28px}.section:last-child{margin-bottom:0}.section-title{font-size:13px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.section-header h3{font-size:13px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em;margin:0}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px 20px}.stat-label{font-size:12px;color:var(--text-tertiary);font-weight:500;margin-bottom:8px}.stat-value{font-size:22px;font-weight:700;letter-spacing:-.02em;color:var(--text-primary)}.stat-value.mono{font-family:SF Mono,Fira Code,monospace;font-size:18px}.stat-sub{font-size:12px;color:var(--text-secondary);margin-top:4px}.wallet-table{width:100%;border-collapse:collapse;font-size:14px}.wallet-table th{text-align:left;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-tertiary);padding:10px 12px;border-bottom:1px solid var(--border)}.wallet-table td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}.wallet-table tr:last-child td{border-bottom:none}.wallet-table tbody tr{transition:background .1s}.wallet-table tbody tr:hover{background:var(--bg-hover)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;border:1px solid transparent;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#000;font-weight:600}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-light)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary)}.btn-danger{background:var(--red);color:#fff}.btn-danger:hover:not(:disabled){background:#ff6961}.btn-small{padding:6px 12px;font-size:13px}.btn-icon{width:36px;height:36px;padding:0;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-secondary);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:16px;transition:all .15s}.btn-icon:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-light)}.input{width:100%;padding:10px 14px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);font-size:14px;font-family:inherit;transition:border-color .15s;outline:none}.input:focus{border-color:var(--accent)}.input::placeholder{color:var(--text-tertiary)}.input-group{display:flex;flex-direction:column;gap:6px}.input-label{font-size:12px;font-weight:500;color:var(--text-secondary)}.input-suffix{position:relative}.input-suffix .input{padding-right:60px}.input-suffix-text{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:12px;color:var(--text-tertiary);pointer-events:none}.mono{font-family:SF Mono,Fira 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solid rgba(255,214,10,.2);border-radius:var(--radius);padding:12px 16px;font-size:14px;color:var(--yellow);margin-bottom:16px}.success-box{background:var(--green-dim);border:1px solid rgba(48,209,88,.2);border-radius:var(--radius);padding:12px 16px;font-size:14px;color:var(--green);margin-bottom:16px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px}.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 24px 80px #00000080}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}.modal-title{font-size:16px;font-weight:600}.modal-close{width:32px;height:32px;border-radius:var(--radius);border:none;background:transparent;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;transition:all .15s}.modal-close:hover{background:var(--bg-hover);color:var(--text-primary)}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}.qr-container{display:flex;flex-direction:column;align-items:center;gap:16px;padding:24px}.qr-canvas-wrapper{background:#fff;padding:16px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center}.qr-address{font-family:SF Mono,Fira Code,monospace;font-size:13px;color:var(--text-secondary);word-break:break-all;text-align:center;padding:10px 14px;background:var(--bg-tertiary);border-radius:var(--radius);border:1px solid var(--border);cursor:pointer;transition:border-color .15s}.qr-address:hover{border-color:var(--border-light)}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--bg-tertiary);border:1px solid var(--border-light);border-radius:var(--radius);padding:10px 20px;font-size:14px;color:var(--text-primary);z-index:2000;box-shadow:0 8px 32px #0006;animation:toastIn .2s ease-out}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(12px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.password-modal-body{display:flex;flex-direction:column;gap:16px}.password-modal-body .input{text-align:center;font-size:16px;letter-spacing:.1em}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}.wallet-creation-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg-primary)}.wallet-creation-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-xl);padding:36px;width:100%;max-width:560px}.wallet-creation-card h2{font-size:22px;font-weight:700;margin-bottom:6px}.wallet-creation-card .subtitle{font-size:14px;color:var(--text-secondary);margin-bottom:28px}.form-group{margin-bottom:18px}.form-group label{display:block;font-size:12px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-secondary);cursor:pointer}.seed-display{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius);padding:16px;font-family:SF Mono,Fira Code,monospace;font-size:13px;line-height:1.8;text-align:center;color:var(--accent);word-spacing:8px;margin-bottom:16px;-webkit-user-select:all;user-select:all}.send-form{display:flex;flex-direction:column;gap:18px}.send-summary{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.send-summary-row{display:flex;justify-content:space-between;padding:6px 0;font-size:14px}.send-summary-row .label{color:var(--text-secondary)}.send-summary-row .value{font-family:SF Mono,Fira Code,monospace;font-size:13px}.fee-slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:4px;border-radius:2px;background:var(--bg-primary);outline:none;margin:8px 0}.fee-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent);cursor:pointer;border:2px solid var(--bg-secondary)}.psbt-display{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius);padding:14px;font-family:SF Mono,Fira Code,monospace;font-size:11px;word-break:break-all;color:var(--text-secondary);max-height:120px;overflow-y:auto;-webkit-user-select:all;user-select:all;cursor:pointer;margin-bottom:12px}.info-grid{display:grid;gap:1px}.info-row{display:flex;justify-content:space-between;padding:10px 14px;background:var(--bg-secondary);border-radius:var(--radius);font-size:14px}.info-label{color:var(--text-secondary)}.utxo-node{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;margin-bottom:6px;display:flex;flex-direction:column;gap:6px}.utxo-node-spent{opacity:.5}.utxo-node-main{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.utxo-node-spent-by{font-size:12px;color:var(--text-tertiary)}.utxo-node-label{font-size:12px}.multisig-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:32px 24px;max-width:640px;margin:0 auto}.participant-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}.participant-row .input{flex:1}.participant-list{display:grid;gap:6px}.participant-card{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--bg-tertiary);border-radius:var(--radius);font-size:14px}.participant-summary{display:flex;gap:8px;margin-bottom:16px}.multisig-quorum{display:flex;align-items:center;gap:8px;padding:10px 16px;background:var(--accent-dim);border-radius:var(--radius);margin-bottom:16px}.balance-display{text-align:center;padding:20px;margin:16px 0}.balance-value{font-size:28px;font-weight:700;color:var(--text-primary)}.meta-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border);font-size:14px}.meta-label{color:var(--text-secondary);font-size:13px}.addr-copy{display:flex;align-items:center;gap:8px}.sig-progress{margin-top:16px;display:flex;flex-direction:column;gap:8px}.sig-progress-bar{height:6px;background:var(--bg-primary);border-radius:3px;overflow:hidden}.sig-progress-fill{height:100%;background:var(--accent);border-radius:3px;transition:width .3s ease}.psbt-output{margin:16px 0}.psbt-hex{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius);padding:14px;font-family:SF Mono,Fira Code,monospace;font-size:11px;word-break:break-all;color:var(--text-secondary);max-height:100px;overflow-y:auto;cursor:pointer;-webkit-user-select:all;user-select:all}.psbt-actions{display:flex;gap:8px;margin:12px 0}.send-done,.send-error{text-align:center;padding:24px}.success-icon{font-size:48px;color:var(--green);margin-bottom:12px}.error-icon{font-size:48px;color:var(--red);margin-bottom:12px}.tx-status{margin:16px 0}.status-row{display:flex;justify-content:space-between;padding:8px 0;font-size:14px}.status-label{color:var(--text-secondary)}.send-preview{display:flex;flex-direction:column;gap:12px}.preview-row{display:flex;justify-content:space-between;padding:8px 0;font-size:14px}.preview-row .label{color:var(--text-secondary)}.confirmations{font-weight:600;color:var(--yellow)}.confirmations.confirmed{color:var(--green)}.copy-feedback{position:fixed;bottom:24px;left:50%;transform:translate(-50%);z-index:2000}.creation-view{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;margin-top:20px}.creation-header{display:flex;align-items:center;gap:8px;margin-bottom:16px}.creation-header h4{font-size:15px;font-weight:600}.creation-back{font-size:13px;color:var(--accent);cursor:pointer;background:none;border:none;font-family:inherit}.creation-back:hover{color:var(--accent-hover)}.label-tag{cursor:pointer;padding:2px 6px;border-radius:4px;font-size:13px;transition:background .15s}.label-tag:hover{background:var(--bg-hover)}.label-edit{padding:4px 8px;border-radius:4px;border:1px solid var(--accent);background:var(--bg-primary);color:var(--text-primary);font-size:13px;width:120px;outline:none}.network-info{display:flex;flex-direction:column;gap:2px}@media (max-width: 768px){.sidebar{display:none}.main-content{margin-left:0}.balance-header{padding:12px 16px}.tab-content{padding:16px}.stats-grid{grid-template-columns:1fr 1fr}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}