*{box-sizing:border-box}:root{--bg: #0b0d12;--surface: #14161d;--surface-2: #1b1e27;--border: #262a35;--text: #f5f6f8;--text-muted: #8b8fa3;--surface-3: #2b2f3a;--accent: #3d8bfd;--accent-text: #ffffff;--danger: #ff5a5f;--success: #34d399}body{margin:0;background:var(--bg);color:var(--text)}.app{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;max-width:480px;margin:0 auto;min-height:100vh}.home-scroll{padding:16px 16px calc(24px + env(safe-area-inset-bottom));padding-top:calc(16px + env(safe-area-inset-top))}.home-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;position:sticky;top:env(safe-area-inset-top);z-index:5;background:var(--bg);padding-bottom:12px;border-bottom:1px solid var(--border)}.brand{font-size:20px;font-weight:700;letter-spacing:-.01em}.brand-four{color:var(--accent)}.header-balances{display:flex;gap:6px}.chip{border:1px solid var(--border);background:transparent;color:var(--text-muted);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600}.chip-active{border-color:var(--accent);color:var(--text);background:transparent}.balance-hero{background:var(--bg);border:1px solid var(--border);border-radius:20px;padding:24px 20px;text-align:center;margin-bottom:16px}.balance-hero-value{font-size:40px;font-weight:800;letter-spacing:-.02em;line-height:1.1}.balance-hero-sub{margin-top:6px;color:var(--text-muted);font-size:14px}.balance-zero{color:var(--danger)}.card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:16px;margin-bottom:12px;box-shadow:0 4px 16px #0000003d}.card h2{margin:0 0 8px;font-size:15px;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.02em}.card h2.add-device-title,.card h2.invite-title{color:var(--text)}.btn.add-device-submit{border:1px solid transparent}.btn.add-device-submit:disabled{opacity:1}.btn.add-device-submit.secondary:disabled{background:var(--surface-3);border-color:transparent;color:var(--text-muted)}.balance{font-size:32px;font-weight:700}.row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--border)}.row:last-child{border-bottom:none}.device-row{border-top:1px solid var(--border);padding-top:10px;margin-top:10px}.device-row:first-child{border-top:none;padding-top:0;margin-top:0}.device-row-header{display:flex;justify-content:space-between;align-items:center;width:100%;padding:8px 0;background:none;border:none;color:inherit;font:inherit;text-align:left}.device-row-identity{display:flex;align-items:center;gap:8px;min-width:0}.device-row-flag{font-size:15px;line-height:1}.device-row-divider{width:1px;height:14px;background:var(--border);flex-shrink:0}.device-row-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.device-row-chevron{color:var(--text-muted);flex-shrink:0;transition:transform .15s ease}.device-row-chevron.expanded{transform:rotate(180deg)}.node-picker-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.node-picker-btn{display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 8px}.node-picker-top{font-weight:700}.node-picker-protocol{font-size:12px;font-weight:400;color:var(--text-muted)}@keyframes device-row-expand-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.device-row-expand{animation:device-row-expand-in .15s ease}.device-remove-btn{width:100%;margin-top:12px}.text-link{color:var(--accent);text-decoration:underline}.muted{color:var(--text-muted);font-size:13px}.muted.small{font-size:12px}button{font:inherit;cursor:pointer}.btn{border:none;border-radius:12px;padding:12px 16px;background:var(--accent);color:var(--accent-text);font-weight:700}.btn:disabled{opacity:.5;cursor:default}.btn.secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn.danger{background:var(--danger)}.btn-lg{flex:1;padding:14px 16px;font-size:15px}.btn-row{display:flex;gap:8px;flex-wrap:wrap}.btn-row-equal{margin-bottom:16px}.btn-row-equal .btn,.btn-row-split .btn{flex:1}input,select{font:inherit;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);width:100%;margin-bottom:8px}.add-device-form input:focus,.add-device-form select:focus,.add-device-form button:focus{outline:none}.add-device-form input,.add-device-form select,.add-device-form button{-webkit-tap-highlight-color:transparent}input::placeholder{color:var(--text-muted)}.subscription-url{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;background:var(--surface-2);border:1px solid var(--border);color:var(--text-muted);padding:8px;border-radius:10px;word-break:break-all;margin:8px 0}.error{color:var(--danger);font-size:13px;margin-top:8px}.btn.secondary.copied{background:var(--success);color:#06281c;border-color:transparent}.btn.secondary.referral-copied{background:var(--success);color:var(--accent-text);border-color:transparent}.referral-icon-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;transition:none}.home-cta-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}.toast{position:fixed;bottom:calc(24px + env(safe-area-inset-bottom));left:50%;transform:translate(-50%);background:var(--surface-2);border:1px solid var(--border);color:var(--text);padding:10px 18px;border-radius:10px;font-size:13px;box-shadow:0 8px 24px #0006;z-index:20;animation:toast-in .15s ease-out}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(6px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.sheet-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;align-items:flex-end;justify-content:center;z-index:30}.sheet{width:100%;max-width:480px;max-height:85vh;overflow-y:auto;background:var(--surface);border:1px solid var(--border);border-bottom:none;border-radius:22px 22px 0 0;padding:12px 16px calc(20px + env(safe-area-inset-bottom));box-shadow:0 -8px 32px #0006;animation:sheet-in .18s ease-out}@keyframes sheet-in{0%{transform:translateY(16px);opacity:.6}to{transform:translateY(0);opacity:1}}.sheet-handle{width:36px;height:4px;border-radius:2px;background:var(--border);margin:4px auto 12px}.sheet-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.sheet-header h2{margin:0;font-size:18px;text-transform:none;color:var(--text)}.sheet-close{border:none;background:var(--surface-2);color:var(--text-muted);width:32px;height:32px;border-radius:50%;font-size:14px}.wallet-tabs{display:flex;gap:6px;background:var(--surface-2);border-radius:12px;padding:4px;margin-bottom:16px}.wallet-tabs button{flex:1;border:none;background:none;color:var(--text-muted);padding:8px;border-radius:9px;font-weight:600}.wallet-tabs button.active{background:var(--accent);color:var(--accent-text)}.preset-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.preset-btn{border:1px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:12px;padding:12px 8px;font-weight:700;display:flex;flex-direction:column;align-items:center;gap:2px}.preset-btn:disabled{opacity:.5}.preset-sub{font-size:10px;font-weight:400;color:var(--text-muted)}.recommend-block{margin-top:12px;padding:14px 16px;border-radius:14px;background:#3d8bfd1f}.recommend-block-title{font-size:14px;font-weight:600;color:var(--text)}.recommend-block-highlight{margin-top:2px;font-size:15px;font-weight:700;color:var(--accent)}.history-row>div:first-child{display:flex;flex-direction:column;gap:2px}.amount-positive{color:var(--success);font-weight:700}.amount-negative{color:var(--text);font-weight:700}.help-item{border-top:1px solid var(--border)}.help-item:first-of-type{border-top:none}.help-item-header{width:100%;border:none;background:none;color:var(--text);display:flex;justify-content:space-between;align-items:center;padding:12px 0;font-weight:600;text-align:left}.help-item-body{padding:0 0 12px;color:var(--text-muted);font-size:13px;white-space:pre-line;line-height:1.5}.help-item-label{display:flex;align-items:center;gap:10px}.help-item-icon{display:inline-flex;align-items:center;justify-content:center;width:20px;flex-shrink:0}