:root{--sidebar-bg: var(--white, #FAFAF8);--sidebar-border: var(--gray-200, #E2E5EB);--sidebar-header-bg: var(--gray-50, #F7F8FA);--sidebar-text: var(--gray-900, #0F172A);--sidebar-text-muted: var(--gray-600, #475569);--sidebar-hover-bg: var(--gray-50, #F7F8FA);--sidebar-active-bg: rgba(37, 99, 235, .06);--sidebar-active-border: rgba(37, 99, 235, .2);--sidebar-dot-color: rgba(148, 163, 184, .08);--sidebar-dot-size: 1px;--sidebar-dot-spacing: 24px}[data-theme=dark]{--sidebar-bg: var(--gray-100, #1E293B);--sidebar-border: var(--gray-300, #475569);--sidebar-header-bg: var(--gray-200, #334155);--sidebar-text: var(--gray-900, #F8FAFC);--sidebar-text-muted: var(--gray-600, #CBD2DC);--sidebar-hover-bg: var(--gray-200, #334155);--sidebar-active-bg: rgba(96, 165, 250, .12);--sidebar-active-border: rgba(96, 165, 250, .3);--sidebar-dot-color: rgba(51, 65, 85, .06);--sidebar-dot-size: 1px;--sidebar-dot-spacing: 24px}.sidebar-toggle{display:none}.chat-sidebar{position:fixed;top:0;left:-320px;width:320px;height:100vh;background:var(--sidebar-bg);background-image:radial-gradient(circle,var(--sidebar-dot-color) var(--sidebar-dot-size),transparent var(--sidebar-dot-size));background-size:var(--sidebar-dot-spacing) var(--sidebar-dot-spacing);background-position:0 0;border-right:1px solid var(--sidebar-border);transition:left .25s cubic-bezier(.4,0,.2,1);z-index:103;display:flex;flex-direction:column;box-shadow:var(--shadow-lg, 4px 0 24px rgba(15, 23, 42, .08))}.chat-sidebar.open{left:0}@media (min-width: 1024px){.chat-sidebar{top:28px;bottom:108px;height:auto}.chat-sidebar.open{left:64px}}@media (max-width: 1023px){.chat-sidebar{top:64px;bottom:96px;height:auto;max-width:calc(100% - 16px)}.chat-sidebar.open{left:0}}.sidebar-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid 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16px;cursor:pointer}.session-time{font-size:.6875rem;color:var(--sidebar-text-muted);margin-bottom:2px}.session-title{font-size:.875rem;color:var(--sidebar-text);margin-bottom:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4;min-height:1.2em}.session-meta{font-size:.75rem;color:var(--sidebar-text-muted)}.session-actions{display:none;padding:8px 12px;background:var(--sidebar-header-bg);border-top:1px solid var(--sidebar-border);gap:8px;justify-content:flex-end}.session-item:hover .session-actions{display:flex}.action-btn{background:var(--sidebar-bg);border:1px solid var(--sidebar-border);border-radius:0;padding:6px;cursor:pointer;transition:all .15s cubic-bezier(.4,0,.2,1);color:var(--sidebar-text-muted);display:flex;align-items:center;justify-content:center;width:28px;height:28px;font-size:14px}.action-btn:hover{background:var(--sidebar-hover-bg);border-color:var(--accent-border, rgba(37, 99, 235, .15));color:var(--accent, #2563EB)}.action-btn.delete-btn:hover{background:rgba(220,38,38,.05);border-color:#dc262633;color:var(--error, #DC2626)}.loading,.no-sessions,.error-message{text-align:center;color:var(--sidebar-text-muted);padding:48px 24px;font-size:.875rem;line-height:1.6}.error-message{color:var(--error, #DC2626)}.retry-btn{margin-top:16px;padding:8px 16px;background:var(--sidebar-bg);border:1px solid var(--sidebar-border);border-radius:0;color:var(--sidebar-text);cursor:pointer;font-size:.8125rem;font-weight:500;transition:all .15s cubic-bezier(.4,0,.2,1)}.retry-btn:hover{background:var(--sidebar-hover-bg);border-color:var(--accent-border, rgba(37, 99, 235, .15));color:var(--accent, #2563EB)}.sidebar-footer{padding:16px 24px;border-top:1px solid var(--sidebar-border);background:var(--sidebar-header-bg)}.footer-text{font-size:.75rem;color:var(--sidebar-text-muted);text-align:center}.footer-stats{font-size:.75rem;color:var(--sidebar-text-muted);text-align:center;margin-top:2px}.sidebar-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(15,23,42,.3);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:102;cursor:pointer;animation:fadeIn .15s}@media (min-width: 1024px){.sidebar-overlay{left:0}}.sessions-list::-webkit-scrollbar{width:8px}.sessions-list::-webkit-scrollbar-track{background:transparent}.sessions-list::-webkit-scrollbar-thumb{background:var(--gray-300, #CBD2DC);border-radius:0;border:2px solid var(--sidebar-bg)}.sessions-list::-webkit-scrollbar-thumb:hover{background:var(--accent-border, rgba(37, 99, 235, .15))}.loading-spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--sidebar-border);border-top-color:var(--accent, #2563EB);border-radius:0;animation:spin .8s linear infinite}@media (max-width: 768px){.chat-sidebar{width:100%;left:-100%}.chat-sidebar.open{left:0}.sidebar-header{padding:16px 20px}.sidebar-info{padding:12px 20px}.new-chat-btn{margin:12px 20px}.search-container{padding:0 20px 12px}}[data-theme=dark] .new-chat-btn{background:var(--accent, #60A5FA);color:var(--gray-900, #0F172A)}[data-theme=dark] .new-chat-btn:hover{background:var(--accent-hover, #3B82F6)}.premium-toolbar{position:fixed;background:var(--white);border:1px solid var(--gray-200);z-index:104;display:flex;transition:all .25s cubic-bezier(.4,0,.2,1);will-change:transform;backface-visibility:hidden}.premium-toolbar.vertical{left:0;top:24px;bottom:104px;width:64px;border:1px solid var(--gray-200);border-left:none;border-radius:0;flex-direction:column}.premium-toolbar.horizontal{top:0;left:0;right:0;width:calc(100% - (2*clamp(var(--space-md),4vw,var(--space-2xl))));max-width:1000px;margin:0 auto;height:56px;border:1px solid var(--gray-200);border-top:none;border-radius:0;flex-direction:row;align-items:center;padding:0 16px}.toolbar-zone{display:flex}.premium-toolbar.vertical .toolbar-zone.brand{border-bottom:1px solid var(--gray-200);padding:8px 0;flex-direction:column}.premium-toolbar.vertical .toolbar-zone.primary{flex:1;padding:16px 0;flex-direction:column;gap:4px}.premium-toolbar.vertical .toolbar-zone.system{border-top:1px solid var(--gray-200);padding:16px 0 24px;flex-direction:column;gap:4px}.premium-toolbar.horizontal .toolbar-zone{border:none;padding:0;flex-direction:row;align-items:center}.premium-toolbar.horizontal .toolbar-zone.brand{margin-right:24px}.premium-toolbar.horizontal .toolbar-zone.primary{flex:1;gap:8px}.premium-toolbar.horizontal .toolbar-zone.system{gap:12px}.brand-mark{width:40px;height:40px;display:flex;align-items:center;justify-content:center;margin:8px auto 14px;position:relative;cursor:pointer;background:var(--white);border:2px solid 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.toolbar-action{color:var(--gray-500)}[data-theme=dark] .toolbar-action:hover:not(:disabled){background:var(--gray-200);border-color:var(--gray-300);color:var(--gray-900)}[data-theme=dark] .toolbar-separator{background:var(--gray-300)}[data-theme=dark] .status-bar:not(.connected){background:var(--gray-400)}.opportunity-notes{margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--gray-200)}.opportunity-notes__header{display:flex;align-items:center;gap:var(--space-xs);margin-bottom:var(--space-sm)}.opportunity-notes__icon{color:var(--gray-500);flex-shrink:0}.opportunity-notes__title{font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--gray-600);margin:0;flex:1}.opportunity-notes__refresh{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:transparent;border:1px solid var(--gray-200);color:var(--gray-500);cursor:pointer;transition:all var(--duration-fast) 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