:root{--primary: #00d4ff;--primary-light: #00d4ff33;--primary-dark: #00a8cc;--primary-gradient: linear-gradient(135deg, #00d4ff 0%, #0099ff 50%, #00d4ff 100%);--danger: #ff4757;--danger-light: #ff475720;--success: #2ed573;--success-light: #2ed57320;--warning: #ffa502;--warning-light: #ffa50220;--bg: #0a0e17;--bg-secondary: #111827;--bg-card: #1a2332;--bg-card-hover: #222d40;--border: #2a3548;--border-light: #3a4558;--text: #ffffff;--text-secondary: #a0aec0;--text-muted: #6b7280;--sidebar-width: 280px;--conv-width: 380px;--header-height: 64px;--shadow: 0 4px 12px rgba(0,0,0,.3);--shadow-lg: 0 8px 24px rgba(0,0,0,.4);--shadow-glow: 0 0 20px rgba(0,212,255,.15);--radius: 12px;--radius-lg: 16px;--radius-xl: 24px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease;--font-xs: 11px;--font-sm: 12px;--font-base: 14px;--font-lg: 16px;--font-xl: 20px;--font-xxl: 32px;--font-display: 48px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 12px;--spacing-lg: 16px;--spacing-xl: 24px;--spacing-2xl: 32px;--radius-full: 50%}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}.app-layout{display:flex;height:100vh;overflow:hidden;background:var(--bg)}.sidebar{width:var(--sidebar-width);background:linear-gradient(180deg,var(--bg-secondary) 0%,var(--bg-card) 100%);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;transition:width var(--transition-normal);position:relative;z-index:100}.sidebar:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--primary-gradient)}.sidebar-header{padding:20px 24px;display:flex;align-items:center;justify-content:space-between}.sidebar-header h1{font-size:18px;font-weight:700;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.5px}.sidebar-toggle{background:var(--bg-card);border:1px solid var(--border);cursor:pointer;color:var(--text-secondary);padding:8px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.sidebar-toggle:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.sidebar-nav{list-style:none;padding:12px;flex:1}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--radius);cursor:pointer;color:var(--text-secondary);font-size:var(--font-base);font-weight:500;transition:all var(--transition-fast);text-decoration:none;position:relative}.nav-item:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;background:var(--primary);border-radius:0 3px 3px 0;transition:height var(--transition-normal)}.nav-item:hover{background:var(--bg-card-hover);color:var(--text);transform:translate(4px)}.nav-item.active{background:var(--primary-light);color:var(--primary);box-shadow:var(--shadow-glow)}.nav-item.active:before{height:60%}.nav-icon{width:20px;height:20px;flex-shrink:0}.nav-item .badge{margin-left:auto;background:var(--danger);color:#fff;font-size:var(--font-xs);padding:2px 8px;border-radius:12px;min-width:20px;text-align:center;font-weight:600;box-shadow:0 2px 8px #ff47574d}.accounts-mini{padding:16px;border-top:1px solid var(--border)}.accounts-mini-title{font-size:var(--font-xs);color:var(--text-muted);margin-bottom:12px;text-transform:uppercase;letter-spacing:1px;font-weight:600}.accounts-mini-list{display:flex;flex-wrap:wrap;gap:8px}.account-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;background:var(--bg-card);border:1px solid var(--border);border-radius:20px;font-size:var(--font-sm);color:var(--text-secondary);cursor:default;transition:all var(--transition-fast)}.account-chip:hover{border-color:var(--primary);background:var(--primary-light)}.account-chip .status-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 8px #2ed57380}.account-chip .status-dot.inactive{background:var(--text-muted);box-shadow:none}.sidebar.collapsed{width:72px}.sidebar.collapsed .sidebar-header{padding:16px 8px;justify-content:center}.sidebar.collapsed .sidebar-header h1{display:none}.sidebar.collapsed .sidebar-nav{padding:8px}.sidebar.collapsed .nav-item{padding:12px;justify-content:center;font-size:0;gap:0}.sidebar.collapsed .nav-item .nav-icon{width:24px;height:24px}.sidebar.collapsed .nav-item .badge,.sidebar.collapsed .accounts-mini{display:none}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.main-body{flex:1;overflow:hidden;padding:var(--spacing-xl);position:relative}.main-header{height:var(--header-height);padding:0 24px;background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.main-header h2{font-size:var(--font-xl);font-weight:600;letter-spacing:-.3px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);color:var(--text);font-size:var(--font-base);font-weight:500;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:var(--primary-light);opacity:0;transition:opacity var(--transition-fast)}.btn:hover{border-color:var(--border-light);transform:translateY(-1px);box-shadow:var(--shadow)}.btn:hover:before{opacity:1}.btn:active{transform:translateY(0)}.btn-primary{background:var(--primary-gradient);color:#fff;border-color:transparent}.btn-primary:hover{box-shadow:0 4px 20px #00d4ff66;transform:translateY(-2px)}.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn-danger:hover{background:#ff6b7a;box-shadow:0 4px 20px #ff475766}.btn-sm{padding:6px 12px;font-size:var(--font-sm)}.btn-icon{width:40px;height:40px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.btn-icon:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);padding:24px;transition:all var(--transition-normal)}.card:hover{border-color:var(--border-light);box-shadow:var(--shadow)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.card-title{font-size:var(--font-lg);font-weight:600}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:24px}.stat-card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);padding:24px;position:relative;overflow:hidden;transition:all var(--transition-normal)}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--primary-gradient)}.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary)}.stat-card .stat-icon{font-size:32px;margin-bottom:16px;opacity:.8}.stat-card .stat-label{font-size:var(--font-sm);color:var(--text-secondary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px;font-weight:600}.stat-card .stat-value{font-size:var(--font-xxl);font-weight:800;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-1px}.stat-card .stat-sub{font-size:var(--font-sm);color:var(--text-muted);margin-top:8px}.table-container{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border);font-size:var(--font-base)}th{font-weight:600;color:var(--text-secondary);background:var(--bg-secondary);font-size:var(--font-sm);text-transform:uppercase;letter-spacing:.5px}tr:hover td{background:var(--bg-card-hover)}.account-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}.account-card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);padding:24px;display:flex;flex-direction:column;gap:16px;transition:all var(--transition-normal);position:relative;overflow:hidden}.account-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--primary-gradient);opacity:0;transition:opacity var(--transition-fast)}.account-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border-light)}.account-card:hover:before{opacity:1}.account-card .account-header{display:flex;align-items:center;gap:16px}.account-avatar{width:56px;height:56px;border-radius:50%;background:var(--primary-gradient);display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;overflow:hidden;flex-shrink:0;box-shadow:0 4px 12px #00d4ff4d}.account-avatar img{width:100%;height:100%;object-fit:cover}.account-info{flex:1;min-width:0}.account-name{font-weight:700;font-size:var(--font-lg);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.account-status{font-size:var(--font-sm);display:flex;align-items:center;gap:6px;margin-top:4px}.account-actions{display:flex;gap:8px;margin-top:8px}.inbox-container{display:flex;position:absolute;top:0;left:0;right:0;bottom:0;font-family:-apple-system,sans-serif}.inbox-account-bar{width:72px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;align-items:center;padding:16px 0;gap:12px;overflow-y:auto;flex-shrink:0}.inbox-account-label{font-size:var(--font-xs);font-weight:600;color:var(--text-muted);text-align:center;width:100%;padding-bottom:12px;border-bottom:1px solid var(--border);margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.inbox-account-item{position:relative;cursor:pointer;padding:4px;border-radius:var(--radius-full);transition:all var(--transition-fast)}.inbox-account-item:hover{background:var(--primary-light)}.inbox-account-item.active{background:var(--primary-light);box-shadow:0 0 0 2px var(--primary)}.inbox-account-avatar{width:44px;height:44px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:700;position:relative;background:var(--primary-gradient)}.inbox-account-avatar img{width:100%;height:100%;border-radius:var(--radius-full);object-fit:cover}.inbox-account-badge{position:absolute;top:-4px;right:-4px;min-width:20px;height:20px;border-radius:10px;background:var(--danger);color:#fff;font-size:var(--font-xs);font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 5px;border:2px solid var(--bg-secondary);box-shadow:0 2px 8px #ff475766;z-index:20;pointer-events:none}.inbox-account-indicator{position:absolute;bottom:2px;right:2px;width:14px;height:14px;border-radius:var(--radius-full);background:var(--success);border:2px solid var(--bg-secondary);box-shadow:0 0 8px #2ed57380}.inbox-conv-list{width:var(--conv-width);border-right:1px solid var(--border);background:var(--bg-secondary);display:flex;flex-direction:column;flex-shrink:0;overflow:hidden}.inbox-conv-header{padding:var(--spacing-lg);border-bottom:1px solid var(--border);font-weight:600;font-size:var(--font-lg);display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.inbox-conv-scroll{flex:1;overflow-y:auto;min-height:0}.inbox-conv-count{font-size:var(--font-sm);color:var(--text-muted);font-weight:400;background:var(--bg-card);padding:4px 12px;border-radius:12px}.inbox-conv-item{padding:14px 16px;cursor:pointer;background:transparent;border-bottom:1px solid var(--border);display:flex;gap:14px;align-items:center;transition:all var(--transition-fast)}.inbox-conv-item:hover{background:var(--bg-card)}.inbox-conv-item.active{background:var(--primary-light);border-left:3px solid var(--primary)}.inbox-avatar-wrap{position:relative;width:48px;height:48px;flex-shrink:0}.inbox-avatar{width:48px;height:48px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}.inbox-avatar-img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-full);position:relative;z-index:1}.inbox-avatar-initial{font-size:20px;color:#fff;position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}.inbox-unread-dot{position:absolute;top:-4px;right:-4px;min-width:20px;height:20px;border-radius:10px;background:var(--danger);color:#fff;font-size:var(--font-xs);font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 5px;border:2px solid var(--bg-secondary);box-shadow:0 2px 8px #ff475766;z-index:20;pointer-events:none}.inbox-conv-body{flex:1;min-width:0}.inbox-conv-top{font-weight:600;font-size:var(--font-base);display:flex;justify-content:space-between}.inbox-conv-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.inbox-conv-time{font-size:var(--font-xs);color:var(--text-muted);flex-shrink:0;margin-left:8px}.inbox-conv-preview{font-size:var(--font-sm);color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:4px}.inbox-detail{flex:1;display:flex;flex-direction:column;overflow:hidden;min-height:0;background:var(--bg);position:relative}.inbox-detail-header{padding:14px 20px;border-bottom:1px solid var(--border);font-weight:600;display:flex;align-items:center;justify-content:space-between;flex-shrink:0;background:var(--bg-secondary)}.inbox-detail-user,.inbox-detail-actions{display:flex;align-items:center;gap:12px}.inbox-refresh-btn{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:6px 16px;font-size:var(--font-sm);cursor:pointer;color:var(--text-secondary);transition:all var(--transition-fast);font-weight:500}.inbox-refresh-btn:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}.inbox-refresh-btn:disabled{opacity:.5;cursor:not-allowed}.inbox-msg-area{flex:1;overflow:auto;padding:var(--spacing-lg);display:flex;flex-direction:column;gap:8px;min-height:0;width:100%}.inbox-msg-empty{text-align:center;color:var(--text-muted);margin-top:40px}.inbox-msg-row{display:flex;width:100%;margin-bottom:4px}.inbox-msg-row.mine{justify-content:flex-end}.inbox-msg-row.theirs{justify-content:flex-start}.inbox-bubble{max-width:70%;padding:12px 16px;border-radius:var(--radius-xl);font-size:var(--font-base);line-height:1.5;word-break:break-word;position:relative}.inbox-bubble.mine{background:var(--primary-gradient);color:#fff;border-bottom-right-radius:4px;box-shadow:0 4px 12px #00d4ff33}.inbox-bubble.theirs{background:var(--bg-card);color:var(--text);border-bottom-left-radius:4px;border:1px solid var(--border)}.inbox-msg-row.system{justify-content:center}.inbox-bubble.system{background:transparent;color:var(--text-muted);font-size:var(--font-sm);padding:8px 16px;border:none}.inbox-bubble.system .inbox-bubble-time{color:var(--text-muted)}.inbox-bubble-time{font-size:var(--font-xs);margin-top:6px;text-align:right}.inbox-bubble.mine .inbox-bubble-time{color:#fff9}.inbox-bubble.theirs .inbox-bubble-time{color:var(--text-muted)}.inbox-channels{padding:10px 20px;border-top:1px solid var(--border);display:flex;gap:8px;align-items:center;flex-shrink:0;background:var(--bg-secondary)}.inbox-channel-label{font-size:var(--font-xs);color:var(--text-muted);margin-right:6px}.inbox-channel-chip{font-size:var(--font-sm);padding:4px 12px;border-radius:12px;cursor:pointer;transition:all var(--transition-fast);font-weight:500}.inbox-channel-chip.active{font-weight:600;color:#fff}.inbox-channel-chip.inactive{background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border)}.inbox-channel-chip.inactive:hover{background:var(--bg-card-hover);border-color:var(--border-light)}.inbox-input-area{padding:12px 20px;border-top:1px solid var(--border);display:flex;gap:12px;align-items:flex-end;flex-shrink:0;background:var(--bg-secondary)}.inbox-textarea{flex:1;resize:none;border:1px solid var(--border);border-radius:var(--radius-lg);padding:12px 16px;font-size:var(--font-base);outline:none;font-family:inherit;line-height:1.5;transition:all var(--transition-fast);background:var(--bg-card);color:var(--text)}.inbox-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #00d4ff26}.inbox-textarea::placeholder{color:var(--text-muted)}.inbox-send-btn{background:var(--primary-gradient);color:#fff;border:none;border-radius:var(--radius-lg);padding:10px 24px;font-size:var(--font-base);cursor:pointer;white-space:nowrap;font-weight:600;transition:all var(--transition-fast);box-shadow:0 4px 12px #00d4ff4d}.inbox-send-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #00d4ff66}.inbox-send-btn:active{transform:translateY(0)}.inbox-send-btn:disabled{background:var(--border);cursor:not-allowed;box-shadow:none}.inbox-loading-text{padding:var(--spacing-lg);text-align:center;color:var(--text-muted);font-size:var(--font-sm)}.inbox-empty-convs{padding:60px 20px;text-align:center;color:var(--text-muted);font-size:var(--font-sm)}.inbox-empty-detail{flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--text-muted);gap:16px}.inbox-empty-icon{font-size:64px;opacity:.3}.inbox-empty-text{font-size:var(--font-lg);font-weight:500;color:var(--text-secondary)}.inbox-empty-sub{font-size:var(--font-sm)}.inbox-msg-loading{text-align:center;color:var(--text-muted);margin-top:12px;font-size:var(--font-sm)}.inbox-syncing{font-size:var(--font-xs);color:var(--primary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:overlayFadeIn var(--transition-normal) ease}@keyframes overlayFadeIn{0%{opacity:0}to{opacity:1}}.modal{width:90%;max-width:560px;max-height:85vh;overflow-y:auto;background:var(--bg-card);border-radius:var(--radius-xl);padding:28px;border:1px solid var(--border);box-shadow:var(--shadow-lg);animation:modalSlideIn var(--transition-slow) ease}@keyframes modalSlideIn{0%{opacity:0;transform:scale(.95) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.modal-header h2{font-size:var(--font-xl);font-weight:700}.modal-close{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-secondary);font-size:20px;transition:all var(--transition-fast)}.modal-close:hover{background:var(--danger-light);border-color:var(--danger);color:var(--danger)}.form-group{margin-bottom:20px}.form-label{display:block;font-size:var(--font-sm);font-weight:600;color:var(--text-secondary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}.form-input{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius);font-size:var(--font-base);outline:none;transition:all var(--transition-fast);font-family:inherit;background:var(--bg-secondary);color:var(--text)}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #00d4ff26}.form-input::placeholder{color:var(--text-muted)}textarea.form-input{min-height:120px;resize:vertical;font-family:Monaco,Menlo,monospace;font-size:var(--font-sm)}.form-hint{font-size:var(--font-sm);color:var(--text-muted);margin-top:6px;line-height:1.5}.form-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}.loading{display:flex;align-items:center;justify-content:center;padding:60px;color:var(--text-muted)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin-right:12px}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{position:fixed;top:20px;right:20px;z-index:2000;display:flex;flex-direction:column;gap:12px}.toast{padding:14px 20px;border-radius:var(--radius);color:#fff;font-size:var(--font-base);font-weight:500;animation:toastSlideIn var(--transition-normal) ease;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:10px;min-width:280px}@keyframes toastSlideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.toast.success{background:linear-gradient(135deg,var(--success) 0%,#1db954 100%)}.toast.error{background:linear-gradient(135deg,var(--danger) 0%,#e63946 100%)}.toast.info{background:linear-gradient(135deg,var(--primary) 0%,#0077b6 100%)}.toast.warning{background:linear-gradient(135deg,var(--warning) 0%,#e67700 100%)}.empty-state{text-align:center;padding:80px 20px;color:var(--text-muted)}.empty-state .empty-icon{font-size:64px;margin-bottom:20px;opacity:.3}.empty-state h3{font-size:var(--font-lg);color:var(--text-secondary);margin-bottom:12px;font-weight:600}.empty-state p{font-size:var(--font-base)}.filter-bar{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}.filter-btn{padding:8px 18px;border-radius:20px;border:1px solid var(--border);background:var(--bg-card);font-size:var(--font-sm);cursor:pointer;transition:all var(--transition-fast);color:var(--text-secondary);font-weight:500}.filter-btn:hover{border-color:var(--primary);color:var(--primary)}.filter-btn.active{background:var(--primary-gradient);color:#fff;border-color:transparent}.status-indicator{display:inline-flex;align-items:center;gap:6px}.status-dot-sm{width:10px;height:10px;border-radius:var(--radius-full);display:inline-block;flex-shrink:0}.status-dot-sm.active{background:var(--success);box-shadow:0 0 10px #2ed57380}.status-dot-sm.inactive{background:var(--text-muted)}@keyframes shimmer{0%{background-position:-200px 0}to{background-position:calc(200px + 100%) 0}}.skeleton{background:linear-gradient(90deg,var(--border) 25%,var(--bg-card-hover) 50%,var(--border) 75%);background-size:200px 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius)}.conv-skeleton-item{display:flex;padding:14px 16px;gap:12px;align-items:center}.conv-skeleton-avatar{width:48px;height:48px;border-radius:var(--radius-full);background:linear-gradient(90deg,var(--border) 25%,var(--bg-card-hover) 50%,var(--border) 75%);background-size:200px 100%;animation:shimmer 1.5s infinite;flex-shrink:0}.conv-skeleton-body{flex:1}.conv-skeleton-line{height:14px;background:linear-gradient(90deg,var(--border) 25%,var(--bg-card-hover) 50%,var(--border) 75%);background-size:200px 100%;animation:shimmer 1.5s infinite;border-radius:7px;margin-bottom:10px}.conv-skeleton-line.short{width:60%}.stat-skeleton{height:120px;background:linear-gradient(90deg,var(--border) 25%,var(--bg-card-hover) 50%,var(--border) 75%);background-size:200px 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-lg)}.text-name{font-weight:600}.text-secondary{color:var(--text-secondary);font-size:var(--font-sm)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.loading-pulse{animation:pulse 1.5s ease-in-out infinite}.btn:focus-visible,.form-input:focus-visible,.inbox-textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.account-card-header{display:flex;align-items:center;gap:16px}.account-card-avatar{width:56px;height:56px;border-radius:50%;background:var(--primary-gradient);display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;overflow:hidden;flex-shrink:0;box-shadow:0 4px 12px #00d4ff4d}.account-card-avatar img{width:100%;height:100%;object-fit:cover}.account-card-info{flex:1;min-width:0}.account-card-name{font-weight:700;font-size:var(--font-lg);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.account-card-status{font-size:var(--font-sm);display:flex;align-items:center;gap:6px;margin-top:4px;color:var(--text-secondary)}.account-card-meta{font-size:var(--font-xs);color:var(--text-muted);padding:8px 0;border-top:1px solid var(--border)}.account-card-error{font-size:var(--font-sm);color:var(--danger);padding:10px 12px;background:var(--danger-light);border-radius:var(--radius);margin-top:8px}.account-card-actions{display:flex;gap:8px;margin-top:auto;padding-top:16px;border-top:1px solid var(--border)}.account-error{font-size:var(--font-sm);color:var(--danger);padding:8px 12px;background:var(--danger-light);border-radius:var(--radius);margin-top:8px}.account-actions-bar{display:flex;gap:12px;margin-bottom:var(--spacing-xl)}.cookie-info-box{padding:16px;background:var(--primary-light);border-radius:var(--radius);font-size:var(--font-sm);color:var(--text-secondary);margin-top:12px;line-height:1.6;border-left:3px solid var(--primary)}.mobile-tab-bar{display:none}@media (max-width: 768px){:root{--sidebar-width: 0px;--conv-width: 100%;--header-height: 56px}.sidebar{display:none}.app-layout{flex-direction:column;padding-bottom:60px}.main-content{flex:1;min-height:0}.main-header{height:var(--header-height);padding:0 16px}.main-header h2{font-size:var(--font-lg)}.main-body{padding:12px;overflow-y:auto}.mobile-tab-bar{display:flex!important;position:fixed;bottom:0;left:0;right:0;height:60px;background:var(--bg-secondary);border-top:1px solid var(--border);z-index:100;align-items:center;justify-content:space-around;padding-bottom:env(safe-area-inset-bottom,0)}.mobile-tab-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 12px;cursor:pointer;color:var(--text-muted);font-size:10px;transition:color var(--transition-fast);position:relative;-webkit-tap-highlight-color:transparent}.mobile-tab-item.active{color:var(--primary)}.mobile-tab-item .tab-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:20px}.mobile-tab-item .tab-badge{position:absolute;top:2px;right:4px;min-width:16px;height:16px;border-radius:8px;background:var(--danger);color:#fff;font-size:9px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 4px}.inbox-container{flex-direction:column;position:relative}.inbox-account-bar{width:100%;flex-direction:row;height:auto;padding:8px 12px;border-right:none;border-bottom:1px solid var(--border);overflow-x:auto;overflow-y:hidden;gap:8px;-webkit-overflow-scrolling:touch}.inbox-account-label{display:none}.inbox-account-item{flex-shrink:0}.inbox-account-avatar{width:36px;height:36px;font-size:14px}.inbox-conv-list{width:100%;flex:1;min-height:0}.inbox-conv-item{padding:12px}.inbox-avatar-wrap,.inbox-avatar{width:40px;height:40px}.inbox-avatar-initial{font-size:16px}.inbox-conv-preview{font-size:var(--font-xs)}.inbox-detail.mobile-active{position:fixed;top:0;left:0;right:0;bottom:60px;z-index:90;background:var(--bg)}.inbox-detail.mobile-active .inbox-detail-header{padding-top:env(safe-area-inset-top,0)}.inbox-detail.mobile-active .inbox-input-area{padding-bottom:calc(10px + env(safe-area-inset-bottom,0))}.inbox-detail.mobile-active .inbox-channels{flex-shrink:0}.mobile-back-btn{display:flex!important;align-items:center;gap:4px;padding:6px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);color:var(--text-secondary);cursor:pointer;font-size:var(--font-sm);-webkit-tap-highlight-color:transparent}.mobile-back-btn:active{background:var(--primary-light);color:var(--primary)}.mobile-back-btn{display:none}.inbox-detail.mobile-active .mobile-back-btn{display:flex!important}.inbox-bubble{max-width:85%}.inbox-input-area{padding:10px 12px;padding-bottom:calc(10px + env(safe-area-inset-bottom,0))}.inbox-textarea{font-size:16px}.inbox-send-btn{padding:10px 16px}.stats-grid{grid-template-columns:1fr 1fr;gap:12px}.stat-card{padding:16px}.stat-card .stat-value{font-size:var(--font-xl)}.stat-card .stat-icon{font-size:24px}.account-grid{grid-template-columns:1fr;gap:12px}.account-card{padding:16px}.account-avatar{width:44px;height:44px;font-size:18px}.table-container{margin:0 -12px}th,td{padding:10px 12px;font-size:var(--font-sm)}.modal{width:100%;max-width:100%;max-height:100vh;border-radius:0;padding:20px;margin:0}.modal-overlay{align-items:flex-end}.toast-container{top:auto;bottom:70px;left:12px;right:12px}.toast{min-width:auto;width:100%}.filter-bar{gap:6px}.filter-btn{padding:6px 14px;font-size:var(--font-xs)}.btn{padding:8px 16px;font-size:var(--font-sm)}.btn-sm{padding:6px 10px}.inbox-channels{padding:8px 12px}.inbox-detail-header{padding:10px 12px}.inbox-detail-user{gap:8px}.inbox-empty-detail{padding:40px 20px}.inbox-empty-icon{font-size:48px}}@media (max-width: 480px){.main-body{padding:8px}.stats-grid{grid-template-columns:1fr}.stat-card .stat-value{font-size:var(--font-lg)}.inbox-conv-item{padding:10px 12px;gap:10px}.inbox-account-avatar{width:32px;height:32px;font-size:12px}.inbox-account-badge{min-width:16px;height:16px;font-size:8px;top:-2px;right:-2px}.inbox-conv-header{padding:10px 12px}.inbox-msg-area{padding:10px 8px}.inbox-bubble{max-width:88%;padding:10px 14px;font-size:var(--font-sm)}.form-input{font-size:16px}textarea.form-input{min-height:100px}}