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1400px){.desktop-app{grid-template-columns:220px 400px 1fr}}@media (max-width: 1200px){.desktop-app{grid-template-columns:200px 1fr 380px}.content-header{padding:20px 24px 12px}.content-body{padding:12px 24px 20px}.chat-messages{padding:16px}.chat-header{padding:12px 16px}.chat-input-area{padding:10px 12px 14px}}@media (max-width: 1050px){.desktop-app{grid-template-columns:200px 1fr 360px}.message{max-width:90%}}.wallet-card{background:linear-gradient(135deg,#8b5cf6,#6d28d9);border-radius:24px;padding:28px;color:#fff;box-shadow:0 12px 32px #7c3aed40}html[data-theme=dark] .wallet-card{background:linear-gradient(135deg,#2a1f4a,#1c1533);color:var(--text);border:1px solid var(--line);box-shadow:0 12px 32px #0006}html[data-theme=dark] .wallet-label,html[data-theme=dark] .wallet-change,html[data-theme=dark] .wallet-address{color:var(--muted)}html[data-theme=dark] .wallet-action{background:#8b5cf633;color:var(--text)}html[data-theme=dark] 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var(--border);flex-shrink:0}.mobile-nav button{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;background:transparent;color:var(--text-gray);font-size:10px;font-weight:500;padding:8px 4px;border-radius:10px;transition:color .15s ease}.mobile-nav button i{font-size:20px}.mobile-nav button.active{color:var(--primary)}.mobile-nav button:hover:not(:disabled){background:transparent;color:var(--primary)}.mobile-search{background:var(--primary-light);border-radius:12px;padding:10px 14px;display:flex;align-items:center;gap:10px;color:var(--primary);margin-bottom:16px;border:2px solid transparent}.mobile-search:focus-within{border-color:var(--primary);background:var(--panel)}.mobile-search input{border:none;background:transparent;outline:none;width:100%;font-size:14px;color:var(--text-dark);padding:0;border-radius:0}.mobile-search input:focus{background:transparent;border-color:transparent}.mobile-row{display:flex;align-items:center;gap:12px;padding:10px 0;cursor:pointer;position:relative}.mobile-avatar{width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0}.mobile-row-body{flex:1;min-width:0}.mobile-row-title{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:2px}.mobile-row-title .name{font-size:15px;font-weight:600;color:var(--text-dark);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobile-row-title .time{font-size:11px;color:var(--text-gray);flex-shrink:0}.mobile-row-preview{font-size:13px;color:var(--text-gray);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobile-row-delete{width:32px;height:32px;border-radius:50%;background:transparent;color:var(--text-gray);padding:0;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:13px}.mobile-row-delete:hover:not(:disabled){background:#fee2e2;color:var(--danger)}.mobile-section-title{font-size:11px;font-weight:700;color:var(--text-gray);text-transform:uppercase;letter-spacing:.5px;margin:24px 0 8px}.mobile-chat-header{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--panel);border-bottom:1px solid var(--border);flex-shrink:0}.mobile-back{width:36px;height:36px;border-radius:10px;background:transparent;color:var(--text-dark);padding:0;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}.mobile-back:hover:not(:disabled){background:var(--primary-light);color:var(--primary)}.mobile-chat-header-info{min-width:0;flex:1}.mobile-chat-header-info .name{font-size:15px;font-weight:700;color:var(--text-dark);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobile-chat-header-info .status{font-size:11px;color:var(--text-gray);margin-top:1px}.mobile-messages{flex:1;overflow-y:auto;background:var(--bg-gray);padding:16px;display:flex;flex-direction:column;gap:8px;min-height:0}.mobile-message{max-width:80%;padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.4;overflow-wrap:anywhere;white-space:pre-wrap}.mobile-message.received{background:var(--panel);color:var(--text-dark);align-self:flex-start;border-bottom-left-radius:4px}.mobile-message.sent{background:var(--primary);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}.mobile-message-author{font-size:11px;font-weight:600;opacity:.7;margin-bottom:2px}.mobile-msg-time{font-size:10px;opacity:.7;margin-top:4px;text-align:right;display:block}.mobile-composer{display:flex;gap:8px;padding:10px 12px 14px;background:var(--panel);border-top:1px solid var(--border);flex-shrink:0}.mobile-composer input{flex:1;background:var(--primary-light);border:2px solid transparent;border-radius:12px;padding:12px 16px;font-size:14px;color:var(--text-dark);outline:none;min-width:0}.mobile-composer input:focus{border-color:var(--primary);background:var(--panel)}.mobile-send{width:46px;height:46px;border-radius:50%;background:var(--primary);color:#fff;padding:0;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.mobile-send:disabled{background:var(--primary-light);color:var(--primary)}.mobile-refresh{width:40px;height:40px;border-radius:12px;background:var(--primary-light);color:var(--primary);padding:0;display:flex;align-items:center;justify-content:center;font-size:16px}.mobile-coin{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.mobile-coin:last-child{border-bottom:none}.mobile-coin img{border-radius:50%;flex-shrink:0}.mobile-coin-body{flex:1;min-width:0}.mobile-coin-name{font-size:15px;font-weight:600;color:var(--text-dark)}.mobile-coin-symbol{font-size:12px;color:var(--text-gray);margin-top:2px}.mobile-coin-right{text-align:right}.mobile-coin-price{font-size:14px;font-weight:600;color:var(--text-dark)}.mobile-coin-change{font-size:12px;margin-top:2px}.mobile-coin-change.up{color:var(--up)}.mobile-coin-change.down{color:var(--down)}.mobile-setting-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.mobile-setting-row:last-of-type{border-bottom:none}.mobile-layout-switch{display:flex;gap:8px;margin-bottom:24px}.mobile-layout-switch button{flex:1;background:var(--primary-light);color:var(--primary);padding:12px;border-radius:12px;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px;font-weight:600}.mobile-layout-switch button.active{background:var(--primary);color:#fff}.mobile-open-settings{width:100%;margin-top:24px;padding:16px;border-radius:14px;background:var(--primary-light);color:var(--primary);font-size:15px;font-weight:600;display:flex;align-items:center;gap:10px;justify-content:flex-start}.mobile-open-settings i:last-child{margin-left:auto}.layout-switch{display:flex;gap:8px;margin-bottom:24px}.layout-switch button{flex:1;background:var(--primary-light);color:var(--primary);padding:12px;border-radius:12px;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px;font-weight:600;transition:.15s ease;margin-top:20px}.layout-switch button i{font-size:16px}.layout-switch button.active{background:var(--primary);color:#fff}.layout-picker{position:relative}.layout-picker-trigger{width:100%;background:transparent;color:var(--text-dark);border:1px solid var(--border);border-radius:14px;padding:12px 14px;display:flex;align-items:center;gap:12px;text-align:left;transition:.15s ease}.layout-picker-trigger:hover:not(:disabled){background:var(--bg-soft);border-color:var(--primary-light)}.layout-picker-icon{width:40px;height:40px;border-radius:12px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.layout-picker-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.layout-picker-text .label{font-size:14px;font-weight:600;color:var(--text-dark)}.layout-picker-text .hint{font-size:12px;color:var(--text-gray);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.layout-picker-chev{color:var(--text-gray);font-size:12px;flex-shrink:0}.layout-picker-menu{position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:6px;box-shadow:0 12px 32px #1a16251f;z-index:50;animation:popIn .15s ease}.layout-picker-option{width:100%;background:transparent;color:var(--text-dark);padding:10px 12px;border-radius:10px;display:flex;align-items:center;gap:12px;text-align:left;transition:.15s ease}.layout-picker-option:hover:not(:disabled){background:var(--bg-soft)}.layout-picker-option.active{background:var(--primary-light)}.layout-picker-option .layout-picker-icon{width:36px;height:36px;border-radius:10px}.layout-picker-check{color:var(--primary);font-size:13px;flex-shrink:0}