:root{--primary: #4f46e5;--primary-hover: #4338ca;--secondary: #64748b;--success: #22c55e;--warning: #f59e0b;--error: #ef4444;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--text-primary: #1e293b;--text-secondary: #64748b;--border: #e2e8f0;--shadow: 0 1px 3px rgba(0, 0, 0, .1);--shadow-lg: 0 4px 6px rgba(0, 0, 0, .1);--radius: 8px;--radius-lg: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg-secondary);color:var(--text-primary);line-height:1.5}.app-container{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;padding:24px;max-width:1200px;margin:0 auto;width:100%}.nav{background:var(--bg-primary);border-bottom:1px solid var(--border);padding:12px 24px;display:flex;align-items:center;gap:24px}.nav-brand{font-weight:600;font-size:18px;color:var(--primary)}.nav-links{display:flex;gap:16px}.nav-link{color:var(--text-secondary);text-decoration:none;padding:8px 12px;border-radius:var(--radius);transition:all .2s}.nav-link:hover,.nav-link.active{color:var(--primary);background:var(--bg-tertiary)}.card{background:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:20px;margin-bottom:16px}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.card-title{font-size:18px;font-weight:600}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;border:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover{background:var(--border)}.input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;transition:border-color .2s}.input:focus{outline:none;border-color:var(--primary)}.search-box{display:flex;gap:8px}.search-box .input{flex:1}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-primary);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow)}.stat-value{font-size:32px;font-weight:700;color:var(--primary)}.stat-label{color:var(--text-secondary);font-size:14px;margin-top:4px}.call-list{display:flex;flex-direction:column;gap:12px}.call-item{background:var(--bg-primary);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);cursor:pointer;transition:box-shadow .2s}.call-item:hover{box-shadow:var(--shadow-lg)}.call-item-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}.call-contact{font-weight:600}.call-date{color:var(--text-secondary);font-size:13px}.call-summary{color:var(--text-secondary);font-size:14px;line-height:1.6}.sentiment{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:500}.sentiment-positive{background:#dcfce7;color:#166534}.sentiment-neutral{background:#f1f5f9;color:#475569}.sentiment-negative{background:#fee2e2;color:#991b1b}.sentiment-mixed{background:#fef3c7;color:#92400e}.chat-container{display:flex;flex-direction:column;height:calc(100vh - 200px);min-height:400px}.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.chat-message{max-width:80%;padding:12px 16px;border-radius:var(--radius-lg)}.chat-message-user{align-self:flex-end;background:var(--primary);color:#fff}.chat-message-assistant{align-self:flex-start;background:var(--bg-tertiary)}.chat-sources{margin-top:8px;padding-top:8px;border-top:1px solid var(--border);font-size:12px;color:var(--text-secondary)}.chat-input-container{display:flex;gap:8px;padding:16px;border-top:1px solid var(--border)}.transcript-view{background:var(--bg-primary);border-radius:var(--radius-lg);padding:20px}.utterance{padding:12px 0;border-bottom:1px solid var(--bg-tertiary)}.utterance:last-child{border-bottom:none}.utterance-header{display:flex;gap:12px;margin-bottom:4px}.utterance-speaker{font-weight:600;color:var(--primary)}.utterance-time{color:var(--text-secondary);font-size:13px}.utterance-text{color:var(--text-primary)}.search-results{margin-top:16px}.search-result-group{margin-bottom:24px}.search-result-group-header{font-weight:600;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.search-result-item{padding:12px;background:var(--bg-tertiary);border-radius:var(--radius);margin-bottom:8px}.search-result-meta{font-size:13px;color:var(--text-secondary);margin-bottom:4px}.search-result-snippet{font-size:14px}.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:var(--text-secondary)}.spinner{width:24px;height:24px;border:2px 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)}}.empty-state{text-align:center;padding:60px 20px;color:var(--text-secondary)}.empty-state-icon{font-size:48px;margin-bottom:16px}.expandable{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:8px}.expandable-header{padding:12px 16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;background:var(--bg-tertiary)}.expandable-header:hover{background:var(--border)}.expandable-content{padding:16px;border-top:1px solid var(--border)}.expandable-arrow{transition:transform .2s}.expandable-arrow.open{transform:rotate(180deg)}@media(max-width:768px){.main-content{padding:16px}.stats-grid{grid-template-columns:1fr 1fr}.nav{flex-wrap:wrap}.chat-message{max-width:90%}}