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var(--border);display:flex;flex-direction:column;position:relative}.paywall-close{position:absolute;top:24px;right:24px;cursor:pointer;opacity:.5;font-size:20px;transition:opacity .2s ease;background:none;border:none;color:var(--text-main);padding:0;line-height:1}.paywall-close:hover{opacity:1}.paywall-header{padding:var(--space-m) var(--space-l);border-bottom:1px solid var(--border)}.paywall-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:var(--accent-blue);margin-bottom:8px}.paywall-title{font-size:20px;font-weight:600;letter-spacing:-.3px;line-height:1.2}.paywall-subtitle{font-size:13px;color:var(--text-secondary);margin-top:4px}.paywall-features{padding:var(--space-m) var(--space-l);display:flex;flex-direction:column;gap:16px}.paywall-feature-row{display:flex;align-items:flex-start;gap:14px}.paywall-feature-icon{width:18px;height:18px;flex-shrink:0;margin-top:1px;color:var(--text-secondary)}.paywall-feature-text strong{display:block;font-size:13px;font-weight:600;margin-bottom:2px}.paywall-feature-text span{font-size:12px;color:var(--text-secondary)}.paywall-cta{padding:var(--space-m) var(--space-l);display:flex;align-items:center;justify-content:space-between;gap:var(--space-m)}.paywall-price{font-size:28px;font-weight:500;letter-spacing:-.5px;white-space:nowrap;line-height:1}.paywall-price span{font-size:13px;font-weight:400;color:var(--text-secondary)}.paywall-covers{font-size:11px;color:var(--text-secondary);margin-top:3px}.paywall-btn{flex:1;padding:14px;background-color:var(--accent-blue);color:#fff;border:none;font-family:var(--font-family);font-size:13px;font-weight:600;cursor:pointer;text-transform:uppercase;letter-spacing:.5px;transition:opacity .2s ease}.paywall-btn:hover{opacity:.88}.paywall-footer{padding:10px var(--space-l);border-top:1px solid var(--border);font-size:11px;color:var(--text-secondary);display:flex;justify-content:space-between;align-items:center}.paywall-footer-note{color:var(--text-secondary);font-weight:500}.privacy-disclaimer{padding:var(--space-s) var(--space-m);font-size:11px;color:var(--text-secondary);text-align:center;border-top:1px solid var(--border)}.auth-btn{font-family:var(--font-family);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;padding:8px 16px;border:1px solid var(--border);background:transparent;color:var(--text-main);cursor:pointer;transition:background .15s,color .15s}.auth-btn:hover{background:var(--text-main);color:var(--bg-main)}.sidebar-header-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-m)}.sidebar-header-row .back-link{margin-bottom:0}.ai-chat{margin-top:var(--space-s);display:flex;flex-direction:column;flex:1;min-height:0}.ai-chat-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-s)}.chat-clear-btn{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);background:none;border:none;cursor:pointer;padding:4px 8px;transition:color .15s}.chat-clear-btn:hover{color:var(--accent-red)}.chat-clear-btn:disabled{opacity:.4;cursor:not-allowed}.ai-chat-messages{flex:1;overflow-y:auto;max-height:calc(100vh - 380px);padding-right:4px}.streaming-cursor{display:inline-block;width:6px;height:14px;background:var(--accent-blue);margin-left:2px;vertical-align:text-bottom;animation:blink .8s step-end infinite}@keyframes blink{50%{opacity:0}}.chat-spinner{width:14px;height:14px;border-width:2px;margin-right:0}.chat-textarea{resize:none;overflow-y:auto;min-height:32px;max-height:120px;line-height:1.4}