:root{--primary-color: #000;--bg-color: #fafafa;--sidebar-bg: #fff;--sidebar-icon-color: #555;--border-color: #eee;--border-radius: 12px;--hover-bg: #f5f5f5;--text-primary: #333;--text-secondary: #888}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-primary)}*{box-sizing:border-box}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#aaa}.flex-center{display:flex;align-items:center;justify-content:center}.tosea-sidebar{width:68px;background:var(--sidebar-bg);border-right:1px solid var(--border-color);display:flex;flex-direction:column;align-items:center;padding:16px 0;height:100vh;position:fixed;left:0;top:0;z-index:1000;transition:width .3s cubic-bezier(.2,0,0,1),padding .3s cubic-bezier(.2,0,0,1);overflow:hidden}.tosea-sidebar.expanded{width:260px;align-items:stretch;padding:16px 12px}.tosea-sidebar-item{width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--sidebar-icon-color);cursor:pointer;margin-bottom:8px;transition:all .2s;font-size:20px;flex-shrink:0}.tosea-sidebar-item.expanded-item{width:100%;justify-content:flex-start;padding:0 12px;gap:12px;font-size:14px}.tosea-sidebar-item.expanded-item .anticon{font-size:18px}.tosea-sidebar-item:hover{background:var(--hover-bg);color:var(--primary-color)}.tosea-sidebar-spacer{flex:1}.tosea-main-content{margin-left:68px;min-height:100vh;position:relative;background:var(--bg-color);transition:margin-left .3s cubic-bezier(.2,0,0,1)}.tosea-main-content.expanded{margin-left:260px}.tosea-main-content>div>h3.ant-typography:first-child{padding-top:16px;margin-left:8px}.sidebar-toggle-btn{position:absolute;top:16px;right:16px;width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--sidebar-icon-color);font-size:18px;transition:all .2s;z-index:1001}.sidebar-toggle-btn:hover{background:var(--hover-bg);color:var(--text-primary)}.tosea-sidebar:not(.expanded) .sidebar-toggle-btn{opacity:0;pointer-events:none;transition:opacity .2s;right:auto;left:50%;transform:translate(-50%)}.tosea-sidebar:not(.expanded):hover .sidebar-toggle-btn{opacity:1;pointer-events:auto}.tosea-sidebar:not(.expanded) .sidebar-logo{position:absolute;top:16px;left:50%;transform:translate(-50%);padding:0;margin:0}.tosea-sidebar:not(.expanded):hover .sidebar-logo{opacity:0;pointer-events:none}.sidebar-logo{display:flex;align-items:center;justify-content:center;gap:10px;padding:8px 0;margin-bottom:4px;cursor:pointer;transition:all .2s,opacity .2s;flex-shrink:0}.tosea-sidebar.expanded .sidebar-logo{justify-content:flex-start;padding:8px 12px}.sidebar-logo-icon{width:32px;height:32px;object-fit:contain;flex-shrink:0;transition:transform .2s}.sidebar-logo:hover .sidebar-logo-icon{transform:scale(1.08)}.sidebar-logo-text{font-size:16px;font-weight:700;background:linear-gradient(135deg,#4f46e5,#7c3aed);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;white-space:nowrap}.sidebar-header{display:flex;align-items:center;justify-content:space-between;width:100%;margin-bottom:16px}.sidebar-history-group{margin-top:16px;width:100%}.sidebar-history-title{font-size:12px;color:var(--text-secondary);padding:8px 12px;font-weight:500}.sidebar-history-item{width:100%;padding:8px 12px;border-radius:8px;cursor:pointer;color:var(--text-primary);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background .2s}.sidebar-history-item:hover{background:var(--hover-bg)}.tosea-top-right-actions{position:absolute;top:16px;right:24px;display:flex;align-items:center;gap:12px;z-index:100}.tosea-action-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--border-color);background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#555;transition:all .2s}.tosea-action-btn:hover{background:var(--hover-bg)}.tosea-upgrade-btn{height:36px;border-radius:18px;border:1px solid var(--border-color);background:#fff;display:flex;align-items:center;padding:0 16px;cursor:pointer;font-size:14px;font-weight:500}.tosea-upgrade-btn span{color:#333}.tosea-upgrade-btn .upgrade-text{color:#1890ff;margin-left:8px}.user-profile-dropdown{width:280px;padding:16px;border-radius:16px;box-shadow:0 10px 30px #00000014}.user-profile-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}.user-profile-tier{border:1px solid var(--border-color);border-radius:12px;padding:12px;margin-bottom:16px;background:#fff}.tier-row{display:flex;justify-content:space-between;align-items:center}.tier-divider{height:1px;background:var(--border-color);margin:12px 0;border:none;border-top:1px dashed var(--border-color)}.tosea-menu-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;cursor:pointer;color:var(--text-primary);transition:background .2s}.tosea-menu-item:hover{background:var(--hover-bg)}.tosea-menu-item.logout{margin-top:8px;border-top:1px solid var(--border-color);border-radius:0 0 8px 8px;padding-top:16px}.dashboard-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding-top:15vh;width:100%;max-width:800px;margin:0 auto}.dashboard-title{font-size:32px;font-weight:600;margin-bottom:40px;color:var(--text-primary)}.prompt-container{width:100%;background:#fff;border:1px solid var(--border-color);border-radius:20px;padding:16px;box-shadow:0 4px 20px #0000000a;transition:box-shadow .2s}.prompt-container:focus-within{box-shadow:0 8px 30px #00000014;border-color:#ddd}.prompt-textarea{width:100%;border:none;resize:none;outline:none;font-size:16px;line-height:1.5;color:var(--text-primary);min-height:80px;padding:0}.prompt-toolbar{display:flex;align-items:center;justify-content:space-between;margin-top:16px}.toolbar-left,.toolbar-right{display:flex;align-items:center;gap:8px}.toolbar-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:16px;border:1px solid var(--border-color);background:#fff;color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all .2s}.toolbar-btn:hover{background:var(--hover-bg);color:var(--text-primary)}.toolbar-btn-icon{width:28px;height:28px;border-radius:50%;background:#f5f5f5;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-secondary);transition:all .2s}.toolbar-btn-icon:hover{background:#e8e8e8;color:var(--text-primary)}.send-btn{width:32px;height:32px;border-radius:50%;background:var(--text-primary);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none}.send-btn:hover{background:#000}.notification-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--border-radius);overflow:hidden}.notification-list{display:flex;flex-direction:column}.notification-item{display:flex;align-items:flex-start;gap:12px;padding:16px 20px;border-bottom:1px solid #f5f5f5;position:relative;transition:background .2s}.notification-item:last-child{border-bottom:none}.notification-item:hover{background:#fafafa}.notification-item.unread{background:#fafcff}.notification-item.unread:hover{background:#f0f6ff}.notification-unread-dot{width:8px;height:8px;border-radius:50%;background:#1677ff;flex-shrink:0;margin-top:7px}.notification-body{flex:1;min-width:0}.notification-header{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:4px}.notification-type-badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:500;line-height:1.5;flex-shrink:0}.notification-title{font-size:14px;font-weight:600;color:var(--text-primary)}.notification-detail{font-size:13px;color:var(--text-secondary);margin-top:2px;line-height:1.5}.notification-time{font-size:12px;color:#bbb;margin-top:4px}.notification-actions{flex-shrink:0;display:flex;align-items:center}.notification-mark-btn{display:inline-flex;align-items:center;gap:2px;padding:4px 10px;border:none;border-radius:6px;background:transparent;color:#1677ff;font-size:13px;cursor:pointer;white-space:nowrap;transition:background .2s}.notification-mark-btn:hover{background:#e8f4ff}.transaction-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--border-radius);overflow:hidden}.transaction-list{display:flex;flex-direction:column}.transaction-item{display:flex;align-items:center;gap:14px;padding:16px 20px;border-bottom:1px solid #f5f5f5;transition:background .2s}.transaction-item:last-child{border-bottom:none}.transaction-item:hover{background:#fafafa}.transaction-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.transaction-body{flex:1;min-width:0}.transaction-header{display:flex;align-items:center;gap:8px;margin-bottom:4px}.transaction-type-badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:500;line-height:1.5;flex-shrink:0}.transaction-reason{font-size:14px;font-weight:500;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.transaction-meta{font-size:12px;color:#bbb;display:flex;align-items:center;gap:4px;flex-wrap:wrap}.transaction-meta-sep{color:#ddd}.transaction-amount{font-size:18px;font-weight:600;flex-shrink:0;font-variant-numeric:tabular-nums}