:root{--bg-primary: #0b0f17;--bg-surface: #111723;--bg-surface-hover: #1a2230;--bg-elevated: #161e2b;--text-primary: #f4f4f5;--text-secondary: #a1a1aa;--text-muted: #6b7280;--border-color: #1f2937;--border-light: #2b3546;--accent-primary: #3b82f6;--accent-primary-hover: #2563eb;--accent-soft: rgba(59, 130, 246, .14);--status-success: #22c55e;--otp-bg: rgba(34, 197, 94, .1);--status-warning: #f59e0b;--status-error: #ef4444;--status-info: #3b82f6;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-6: 24px;--space-8: 32px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 16px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .5);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .5), 0 2px 4px -2px rgba(0, 0, 0, .5);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5), 0 4px 6px -4px rgba(0, 0, 0, .5)}@media (prefers-color-scheme: light){:root:not([data-theme=dark]){--bg-primary: #f6f7f9;--bg-surface: #ffffff;--bg-surface-hover: #eef0f3;--bg-elevated: #ffffff;--accent-soft: rgba(37, 99, 235, .1);--otp-bg: rgba(22, 163, 74, .08);--status-success: #16a34a;--text-primary: #171717;--text-secondary: #52525b;--text-muted: #a1a1aa;--border-color: #e2e5ea;--border-light: #d1d5db;--accent-primary: #2563eb;--accent-primary-hover: #1d4ed8;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1)}}:root[data-theme=light]{--bg-primary: #f6f7f9;--bg-surface: #ffffff;--bg-surface-hover: #eef0f3;--bg-elevated: #ffffff;--accent-soft: rgba(37, 99, 235, .1);--otp-bg: rgba(22, 163, 74, .08);--status-success: #16a34a;--text-primary: #171717;--text-secondary: #52525b;--text-muted: #a1a1aa;--border-color: #e2e5ea;--border-light: #d1d5db;--accent-primary: #2563eb;--accent-primary-hover: #1d4ed8;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1)}body,html,#root{margin:0;padding:0;width:100%;height:100%;background-color:var(--bg-primary);color:var(--text-primary);font-size:14px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.app-container{display:flex;flex-direction:column;height:100vh;width:100%;overflow:hidden}.content-container{display:flex;flex-direction:column;flex:1;padding:var(--space-4);max-width:1200px;margin:0 auto;width:100%;box-sizing:border-box;overflow-y:auto}.card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--space-4);box-shadow:var(--shadow-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;background-color:var(--bg-surface-hover);color:var(--text-primary);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:var(--space-2) var(--space-4);font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s ease}.btn:hover:not(:disabled){background-color:var(--border-light)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--accent-primary);color:#fff;border-color:transparent}.btn-primary:hover:not(:disabled){background-color:var(--accent-primary-hover)}.btn-danger{background-color:transparent;color:var(--status-error);border-color:var(--status-error)}.btn-danger:hover:not(:disabled){background-color:#ef44441a}.input{background-color:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-primary);border-radius:var(--radius-sm);padding:var(--space-2) var(--space-3);font-size:.95rem;outline:none;transition:border-color .2s ease}.input:focus{border-color:var(--accent-primary)}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:var(--space-4);font-weight:600;color:var(--text-primary)}p{margin-top:0;margin-bottom:var(--space-4);color:var(--text-secondary);line-height:1.5}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}.dashboard-layout{display:flex;height:100vh;width:100vw;overflow:hidden;background-color:var(--bg-primary)}.sidebar,.threads-pane{background-color:var(--bg-surface);border-right:1px solid var(--border-color);display:flex;flex-direction:column;flex-shrink:0;min-height:0}.sidebar{width:300px}.threads-pane{width:360px}.messages-pane{flex:1;min-width:0;display:flex;flex-direction:column;overflow:hidden}.pane-header{display:flex;align-items:center;gap:var(--space-2);min-height:56px;padding:0 var(--space-4);border-bottom:1px solid var(--border-color);box-sizing:border-box;flex-shrink:0}.pane-title{font-size:15px;font-weight:650;margin:0;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pane-scroll{flex:1;overflow-y:auto;min-height:0}.brand{font-size:16px;font-weight:700;letter-spacing:-.2px;flex:1;display:inline-flex;align-items:center;gap:8px}.auth-logo{margin-bottom:12px;line-height:0}.section-label{font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--text-muted)}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:var(--radius-md);border:1px solid var(--border-color);background:transparent;color:var(--text-secondary);cursor:pointer;font-size:14px;flex-shrink:0}.icon-btn:hover{background:var(--bg-surface-hover);color:var(--text-primary)}.btn-sm{padding:4px 10px;font-size:12.5px;border-radius:6px}.btn-block{width:100%}.btn-ghost{background:transparent;border-color:var(--border-color);color:var(--text-secondary)}.btn-ghost.active{background:var(--accent-soft);border-color:transparent;color:var(--accent-primary)}.btn-danger-solid{background:var(--status-error);border-color:transparent;color:#fff}.input,.dashboard-layout input[type=text],.dashboard-layout input[type=tel],.dashboard-layout textarea{width:100%;box-sizing:border-box;background:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-primary);border-radius:var(--radius-md);padding:8px 10px;font:inherit;outline:none}.input:focus,.dashboard-layout input:focus,.dashboard-layout textarea:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-soft)}.device-card{margin:0 var(--space-3) var(--space-2);padding:var(--space-3);border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer}.device-card:hover{background:var(--bg-surface-hover)}.device-card.active{background:var(--bg-elevated);border-color:var(--border-light)}.device-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.device-meta{font-size:12px;color:var(--text-secondary);margin-top:2px}.device-status{display:flex;justify-content:space-between;gap:var(--space-2);font-size:12px;color:var(--text-muted);margin-top:6px}.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:var(--space-3)}.action-grid .btn{white-space:nowrap;font-size:12px;padding:6px 8px;justify-content:flex-start;border-color:var(--border-color);background:var(--bg-surface)}.action-grid .btn.primary{background:var(--accent-primary);border-color:transparent;color:#fff}.action-grid .btn.danger{color:var(--status-error)}.sidebar-footer{border-top:1px solid var(--border-color);padding:var(--space-3) var(--space-4);display:flex;align-items:center;gap:var(--space-3)}.build-info{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10.5px;color:var(--text-muted);line-height:1.4;flex:1}.thread-search{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border-color)}.thread-item{display:flex;gap:var(--space-3);padding:10px var(--space-4);border-bottom:1px solid var(--border-color);cursor:pointer;position:relative}.thread-item:hover,.thread-item.active{background-color:var(--bg-surface-hover)}.thread-item.active:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent-primary)}.avatar{width:36px;height:36px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;background:var(--accent-soft);color:var(--accent-primary)}.thread-body{flex:1;min-width:0}.thread-top{display:flex;align-items:baseline;gap:var(--space-2)}.thread-name{font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thread-time{font-size:11.5px;color:var(--text-muted);flex-shrink:0}.thread-preview{font-size:13px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:2px}.thread-item.unread .thread-preview{color:var(--text-primary);font-weight:600}.thread-row-actions{display:flex;align-items:center;gap:6px;margin-top:6px}.unread-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-primary);flex-shrink:0;align-self:center}.thread-delete{visibility:hidden;border:none;background:transparent;color:var(--text-muted);cursor:pointer;font-size:12px;padding:0 2px}.thread-item:hover .thread-delete{visibility:visible}.thread-delete:hover{color:var(--status-error)}.otp-chip{display:inline-flex;align-items:center;gap:6px;border:1px solid transparent;background:var(--otp-bg);color:var(--status-success);border-radius:6px;padding:2px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:700;font-size:13px;letter-spacing:1px;cursor:pointer}.otp-chip:hover{border-color:var(--status-success)}.otp-chip .hint{font-family:inherit;font-weight:500;font-size:11px;letter-spacing:0;color:var(--text-secondary)}.message-list{flex:1;overflow-y:auto;padding:var(--space-4) var(--space-6);display:flex;flex-direction:column;gap:10px;position:relative}.message-bubble-container{display:flex;flex-direction:column}.message-bubble-container.incoming{align-items:flex-start}.message-bubble-container.outgoing{align-items:flex-end}.message-row{display:flex;align-items:center;gap:var(--space-2);max-width:min(640px,85%)}.message-row input[type=checkbox]{width:15px;height:15px;cursor:pointer;flex-shrink:0;opacity:0}.message-bubble-container:hover .message-row input[type=checkbox],.message-row input[type=checkbox]:checked{opacity:1}.message-bubble{padding:9px 13px;border-radius:14px;line-height:1.45;border:1px solid transparent;overflow-wrap:anywhere}.message-bubble.incoming{background-color:var(--bg-surface-hover);border-bottom-left-radius:4px}.message-bubble.outgoing{background-color:var(--accent-primary);color:#fff;border-bottom-right-radius:4px}.message-bubble.selected{border-color:var(--accent-primary)}.message-meta{display:flex;align-items:center;gap:var(--space-2);margin:3px 6px 0 30px;font-size:11.5px;color:var(--text-muted)}.otp-box{margin-top:10px;display:flex;align-items:center;gap:var(--space-3);background-color:var(--otp-bg);border:1px solid rgba(34,197,94,.3);padding:8px 10px;border-radius:var(--radius-md)}.otp-text{color:var(--status-success);font-weight:800;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:22px;letter-spacing:3px;flex:1}.composer{padding:var(--space-3) var(--space-4);border-top:1px solid var(--border-color);background:var(--bg-surface);display:flex;gap:var(--space-2);align-items:flex-end}.composer textarea{resize:none;max-height:120px;border-radius:18px!important;padding:9px 14px!important}.send-btn{width:38px;height:38px;border-radius:50%;border:none;background:var(--accent-primary);color:#fff;cursor:pointer;flex-shrink:0;font-size:15px}.send-btn:disabled{opacity:.45;cursor:not-allowed}.selection-bar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:6px 12px;border-radius:var(--radius-md);background:var(--bg-elevated);border:1px solid var(--border-light)}.context-menu{position:fixed;z-index:2000;min-width:170px;padding:4px;background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:var(--radius-md);box-shadow:var(--shadow-lg)}.context-menu button{display:block;width:100%;padding:7px 10px;border:none;border-radius:6px;background:transparent;color:var(--text-primary);text-align:left;cursor:pointer;font:inherit}.context-menu button:hover{background:var(--bg-surface-hover)}.context-menu button.danger{color:var(--status-error)}.overview{padding:var(--space-6);overflow-y:auto;flex:1}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--space-3);margin-bottom:var(--space-6)}.device-details-card{background-color:var(--bg-surface);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);border:1px solid var(--border-color)}.device-details-label{font-size:12px;color:var(--text-muted);margin-bottom:4px}.device-details-value{font-size:18px;font-weight:600;color:var(--text-primary)}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:var(--space-8) var(--space-4);color:var(--text-muted)}.empty-state h3{margin:0 0 6px;font-size:15px}.empty-state p{margin:0;font-size:13px;max-width:300px}.skeleton{background:var(--bg-surface-hover);border-radius:4px;animation:pulse 1.5s infinite}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);padding:10px 18px;border-radius:var(--radius-md);color:#fff;font-weight:600;z-index:9999;box-shadow:var(--shadow-lg)}.toast.success{background:var(--status-success)}.toast.error{background:var(--status-error)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--bg-elevated);border:1px solid var(--border-light);border-radius:12px;padding:var(--space-6);width:360px;max-width:calc(100vw - 32px);box-sizing:border-box;box-shadow:var(--shadow-lg)}.modal-actions{display:flex;gap:var(--space-2);justify-content:flex-end;margin-top:var(--space-4)}.pair-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:40px;font-weight:800;letter-spacing:10px;color:var(--text-primary);background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px 0 14px 10px;margin:var(--space-4) 0;text-align:center;-webkit-user-select:all;user-select:all}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-4);box-sizing:border-box}.auth-card{width:100%;max-width:380px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:12px;padding:var(--space-8) var(--space-6);box-sizing:border-box}.auth-card h1{font-size:22px;margin-bottom:4px}.auth-card .sub{color:var(--text-secondary);margin-bottom:var(--space-6)}.auth-form{display:flex;flex-direction:column;gap:var(--space-4)}.field label{display:block;font-size:12.5px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.field .input{width:100%;box-sizing:border-box;padding:10px 12px}.auth-card .btn-primary{padding:10px;font-size:14px}.auth-error{background:#ef44441a;color:var(--status-error);border:1px solid rgba(239,68,68,.35);border-radius:var(--radius-md);padding:8px 10px;font-size:13px;margin-bottom:var(--space-4)}.auth-success{background:var(--otp-bg);color:var(--status-success);border:1px solid rgba(34,197,94,.35);border-radius:var(--radius-md);padding:8px 10px;font-size:13px;margin-bottom:var(--space-4)}.divider{display:flex;align-items:center;gap:var(--space-3);color:var(--text-muted);font-size:12px;margin:var(--space-6) 0 var(--space-4)}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--border-color)}.auth-links{display:flex;justify-content:space-between;margin-top:var(--space-6);font-size:13px}a{color:var(--accent-primary);text-decoration:none}a:hover{text-decoration:underline}.mobile-only-btn{display:none}@media (max-width: 860px){.sidebar,.threads-pane,.messages-pane{display:none!important;width:100%!important;border-right:none!important;flex:1}.dashboard-layout.mobile-view-sidebar .sidebar,.dashboard-layout.mobile-view-threads .threads-pane,.dashboard-layout.mobile-view-messages .messages-pane{display:flex!important}.mobile-only-btn{display:inline-flex!important}.message-list{padding:var(--space-3)}.message-row input[type=checkbox]{display:none}.message-meta{margin-left:6px}.thread-delete{visibility:visible}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}