.paywall-modal-overlay{align-items:center;animation:fadeIn .2s ease;background:#000000b3;bottom:0;display:flex;justify-content:center;left:0;padding:20px;position:fixed;right:0;top:0;z-index:10000}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.paywall-modal{animation:slideUp .3s ease;background:var(--color-bg-white);border-radius:16px;box-shadow:0 20px 60px #0000004d;max-height:90vh;max-width:800px;overflow-y:auto;position:relative;width:100%}@keyframes slideUp{0%{opacity:0;transform:translateY(50px)}to{opacity:1;transform:translateY(0)}}.paywall-close{align-items:center;background:none;border:none;border-radius:50%;color:var(--color-text-secondary);cursor:pointer;display:flex;font-size:32px;height:40px;justify-content:center;position:absolute;right:16px;top:16px;transition:all .2s ease;width:40px}.paywall-close:hover{background:var(--color-bg-gray-light);color:var(--color-text-primary)}.paywall-header{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:16px 16px 0 0;color:#fff;padding:40px 32px 24px;text-align:center}.paywall-icon{font-size:48px;margin-bottom:16px}.paywall-title{font-size:28px;font-weight:700;margin:0 0 8px}.paywall-subtitle{font-size:16px;margin:0;opacity:.95}.paywall-body{padding:32px}.paywall-usage-summary{align-items:center;background:var(--color-bg-gray-light);border-radius:12px;display:flex;gap:16px;justify-content:center;margin-bottom:24px;padding:24px}.usage-stat{align-items:center;display:flex;flex-direction:column}.usage-stat-value{color:var(--color-text-primary);font-size:36px;font-weight:700;line-height:1}.usage-stat-label{color:var(--color-text-secondary);font-size:13px;margin-top:4px}.usage-stat-divider{color:var(--color-text-tertiary);font-size:32px;font-weight:300}.paywall-reset-info{background:#e3f2fd;border-radius:8px;color:#1976d2;font-size:14px;margin-bottom:32px;padding:16px;text-align:center}.paywall-divider{margin:32px 0;position:relative;text-align:center}.paywall-divider:before{background:var(--color-border-light);content:"";height:1px;left:0;position:absolute;top:50%;width:100%}.paywall-divider span{background:var(--color-bg-white);color:var(--color-text-secondary);font-size:14px;font-weight:600;letter-spacing:.5px;padding:0 16px;position:relative;text-transform:uppercase}.paywall-tiers{grid-gap:24px;display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin-bottom:32px}.pricing-tier{background:var(--color-bg-white);border:2px solid var(--color-border-light);border-radius:12px;padding:24px;position:relative;transition:all .3s ease}.pricing-tier:hover{border-color:#667eea;box-shadow:0 8px 24px #667eea33;transform:translateY(-4px)}.pricing-tier.recommended{background:linear-gradient(135deg,#667eea0d,#764ba20d);border-color:#667eea}.tier-badge{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;color:#fff;font-size:12px;font-weight:600;left:50%;letter-spacing:.5px;padding:4px 12px;position:absolute;text-transform:uppercase;top:-12px;transform:translateX(-50%)}.tier-name{color:var(--color-text-primary);font-size:24px;font-weight:700;margin:8px 0}.tier-price{color:#667eea;font-size:20px;font-weight:700;margin-bottom:4px}.tier-searches{border-bottom:1px solid var(--color-border-light);color:var(--color-text-secondary);font-size:14px;margin-bottom:16px;padding-bottom:16px}.tier-features{list-style:none;margin:0 0 24px;padding:0}.tier-features li{align-items:center;color:var(--color-text-secondary);display:flex;font-size:14px;gap:8px;margin-bottom:8px}.feature-check{color:#4caf50;font-size:16px;font-weight:700}.tier-button{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:8px;color:#fff;display:block;font-size:16px;font-weight:600;padding:12px 24px;text-align:center;text-decoration:none;transition:all .3s ease;width:100%}.tier-button:hover{box-shadow:0 8px 16px #667eea4d;transform:translateY(-2px)}.paywall-footer{border-top:1px solid var(--color-border-light);color:var(--color-text-secondary);font-size:14px;padding-top:24px;text-align:center}.paywall-footer a{color:#667eea;font-weight:600;text-decoration:none}.paywall-footer a:hover{text-decoration:underline}@media (max-width:768px){.paywall-modal{border-radius:16px 16px 0 0;margin:0;max-height:95vh;max-width:100%}.paywall-header{padding:32px 24px 20px}.paywall-title{font-size:24px}.paywall-subtitle{font-size:14px}.paywall-body{padding:24px 20px}.paywall-tiers{gap:16px;grid-template-columns:1fr}.usage-stat-value{font-size:28px}}.ai-chat-widget{background:#fff;border:1px solid var(--color-border-default);border-radius:var(--radius-md);bottom:20px;box-shadow:0 8px 30px #00000026;display:flex;flex-direction:column;height:600px;overflow:hidden;position:fixed;right:20px;width:400px;z-index:var(--z-index-fixed)}@media (min-width:768px){.ai-chat-widget{border-radius:var(--radius-lg);box-shadow:0 12px 40px #0003;height:800px;width:600px}}@media (min-width:1024px){.ai-chat-widget{height:850px;width:700px}}.chat-header{align-items:center;background:#1e40af;border-radius:12px 12px 0 0;color:#fff;display:flex;justify-content:space-between;padding:var(--spacing-4)}@media (min-width:768px){.chat-header{border-radius:16px 16px 0 0;padding:20px 24px}}.chat-title{align-items:center;display:flex;font-weight:600;gap:8px}@media (min-width:768px){.chat-title{font-size:18px;gap:12px}}.chat-icon{font-size:20px}.close-chat{background:none;border:none;border-radius:var(--radius-sm);color:#fff;cursor:pointer;font-size:24px;padding:4px;transition:background-color var(--transition-base)}.close-chat:hover{background-color:#fff3}.chat-mode-selector{background:#f8fafc;border-bottom:1px solid #e2e8f0;padding:var(--spacing-4)}.mode-title{color:#1e293b;font-size:16px;font-weight:600;margin-bottom:12px;text-align:center}.mode-options{gap:8px}.mode-option,.mode-options{display:flex;flex-direction:column}.mode-option{background:#fff;border:2px solid #e2e8f0;border-radius:var(--radius-base);cursor:pointer;gap:4px;padding:12px;text-align:left;transition:all var(--transition-base)}.mode-option:hover{border-color:#cbd5e1;box-shadow:0 2px 4px #0000000d;transform:translateY(-1px)}.mode-option.active{background:#eff6ff;border-color:#1e40af;box-shadow:0 0 0 1px #1e40af}.mode-description{color:#64748b;font-size:12px;font-weight:400}.mode-option.active .mode-description{color:#1e40af}.chat-messages{display:flex;flex:1 1;flex-direction:column;gap:12px;overflow-y:auto;padding:var(--spacing-4)}@media (min-width:768px){.chat-messages{gap:16px;padding:20px 24px}}.message{display:flex;flex-direction:column}.message.user{align-items:flex-end}.message.assistant{align-items:flex-start}.message-content{background:#f1f5f9;border-radius:var(--radius-lg);max-width:80%;padding:12px 16px;position:relative}@media (min-width:768px){.message-content{border-radius:20px;font-size:15px;padding:16px 20px}}.message.user .message-content{background:#1e40af;color:#fff}.message-text{word-wrap:break-word;line-height:1.5}.message-timestamp{color:#64748b;font-size:12px;margin-top:4px;padding:0 8px}.search-action{margin-top:8px}.show-results-btn{background:#16a34a;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:14px;font-weight:500;padding:8px 12px;transition:background-color var(--transition-base)}.show-results-btn:hover{background:#15803d}.message-suggestions{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}.suggestion-btn{background:#e2e8f0;border:1px solid #cbd5e1;border-radius:6px;color:#475569;cursor:pointer;font-size:12px;padding:4px 8px;transition:all var(--transition-base)}.suggestion-btn:hover{background:#cbd5e1}.typing-indicator{align-items:center;display:flex;gap:4px}.typing-indicator span{animation:typing 1.4s infinite;background:#64748b;border-radius:var(--radius-circle);display:inline-block;height:8px;width:8px}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{opacity:.5;transform:translateY(0)}30%{opacity:1;transform:translateY(-10px)}}.quick-suggestions{background:#f8fafc;border-top:1px solid #e2e8f0;padding:12px 16px}.suggestions-title{color:#475569;font-size:12px;font-weight:600;margin-bottom:8px}.suggestions-list{display:flex;flex-wrap:wrap;gap:6px}.quick-suggestion-btn{background:#fff;border:1px solid #d1d5db;border-radius:6px;color:#374151;cursor:pointer;font-size:12px;padding:6px 10px;transition:all var(--transition-base)}.quick-suggestion-btn:hover{background:#f3f4f6;border-color:#9ca3af}.chat-input{background:#fff;border-top:1px solid #e2e8f0;padding:12px 16px}@media (min-width:768px){.chat-input{padding:16px 24px}}.input-container{align-items:flex-end;display:flex;gap:8px}.input-container textarea{border:1px solid #d1d5db;border-radius:var(--radius-base);flex:1 1;font-family:inherit;font-size:14px;max-height:100px;min-height:36px;padding:8px 12px;resize:none;transition:border-color var(--transition-base)}@media (min-width:768px){.input-container textarea{border-radius:var(--radius-md);font-size:15px;min-height:44px;padding:12px 16px}}.input-container textarea:focus{border-color:#1e40af;box-shadow:0 0 0 3px #1e40af1a;outline:none}.send-button{align-items:center;background:#1e40af;border:none;border-radius:var(--radius-base);color:#fff;cursor:pointer;display:flex;flex-shrink:0;height:36px;justify-content:center;transition:background-color var(--transition-base);width:36px}@media (min-width:768px){.send-button{border-radius:var(--radius-md);font-size:18px;height:44px;width:44px}}.send-button:hover:not(:disabled){background:#1d4ed8}.send-button:disabled{background:#9ca3af;cursor:not-allowed}@media (max-width:768px){.ai-chat-widget{bottom:20px;height:calc(100vh - 80px);left:20px;right:20px;width:calc(100vw - 40px)}}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.chat-messages::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.chat-messages::-webkit-scrollbar-thumb:hover{background:#a1a1a1}.quick-filters-container{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;margin-top:16px;padding:16px}.filter-category{margin-bottom:16px}.filter-category:last-child{margin-bottom:0}.filter-category-title{color:#334155;font-size:14px;font-weight:600;margin-bottom:8px}.filter-buttons{display:flex;flex-wrap:wrap;gap:8px}.filter-btn{background:#fff;border:2px solid #e2e8f0;border-radius:8px;color:#475569;cursor:pointer;font-size:14px;font-weight:500;padding:8px 16px;transition:all .2s ease;white-space:nowrap}.filter-btn:hover{background:#eff6ff;border-color:#2563eb;box-shadow:0 2px 4px #2563eb1a;color:#2563eb;transform:translateY(-1px)}.filter-btn:active{transform:translateY(0)}.popular-searches{background:#fef3c7;border:1px solid #fcd34d;border-radius:8px;margin-top:16px;padding:12px}.popular-searches-title{color:#92400e;font-size:13px;font-weight:600;margin-bottom:8px}.popular-searches-list{display:flex;flex-direction:column;gap:6px}.popular-search-btn{background:#fff;border:1px solid #fbbf24;border-radius:6px;color:#92400e;cursor:pointer;font-size:13px;padding:8px 12px;text-align:left;transition:all .2s ease}.popular-search-btn:hover{background:#fffbeb;border-color:#f59e0b;transform:translateX(4px)}