*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--secondary-color: #64748b;--success-color: #22c55e;--warning-color: #f59e0b;--danger-color: #ef4444;--background-color: #f1f5f9;--surface-color: #ffffff;--text-primary: #1e293b;--text-secondary: #64748b;--border-color: #e2e8f0;--card-hover-shadow: 0 4px 12px rgba(0, 0, 0, .15);--input-bg: #ffffff;--input-border: #e2e8f0;--input-text: #1e293b;--code-bg: #f1f5f9;--header-height: 64px}[data-theme=dark]{--primary-color: #6366f1;--primary-hover: #818cf8;--secondary-color: #94a3b8;--success-color: #4ade80;--warning-color: #fbbf24;--danger-color: #f87171;--background-color: #0f172a;--surface-color: #1e293b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--border-color: #334155;--card-hover-shadow: 0 4px 12px rgba(0, 0, 0, .5);--input-bg: #1e293b;--input-border: #334155;--input-text: #f1f5f9;--code-bg: #1e293b}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica 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.btn{width:100%}.contact-actions>div{width:100%}.linked-deals{flex:1;padding:20px;overflow-y:auto}.linked-deals h3{font-size:.875rem;text-transform:uppercase;color:var(--text-secondary);margin-bottom:16px}.deals-list{display:flex;flex-direction:column;gap:12px}.deal-item{background:var(--background-color);border-radius:8px;padding:12px 16px}.deal-title{font-weight:600;color:var(--text-primary);margin-bottom:8px}.deal-value{color:var(--success-color);font-weight:500;font-size:.875rem;margin-bottom:4px}.deal-stage{color:var(--text-secondary);font-size:.75rem}.no-deals{color:var(--text-secondary);font-style:italic;text-align:center;padding:20px}.details-placeholder{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-secondary);font-style:italic}@media (max-width: 1024px){.conversations-container{flex-direction:column}.conversations-column{border-right:none;border-bottom:1px solid 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