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var(--transition);text-align:left;background:0 0;align-items:center;gap:10px;padding:10px 12px;font-family:inherit;font-size:13.5px;font-weight:500;display:flex}.sidebar-btn:hover{background:var(--bg-hover)}.sidebar-btn svg{width:16px;height:16px;color:var(--text-secondary);flex-shrink:0}.sidebar-new-chat-container{padding:12px}.new-chat-btn{border:1px dashed var(--border);background:var(--surface);justify-content:center;width:100%;font-weight:600}.new-chat-btn:hover{background:var(--bg-hover);border-color:var(--accent)}.sidebar-sessions-container{flex-direction:column;flex:1;gap:8px;padding:0 12px;display:flex;overflow-y:auto}.sidebar-sessions-header{text-transform:uppercase;color:var(--text-muted);letter-spacing:.5px;margin-bottom:4px;padding-left:4px;font-size:11px;font-weight:600}.sidebar-sessions-list{flex-direction:column;gap:4px;display:flex}.session-item{border-radius:var(--radius-sm);cursor:pointer;transition:all 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var(--transition);border:none;margin-top:10px;padding:12px;font-size:14px;font-weight:600}.admin-modal-btn:hover{background:var(--accent-hover)}.admin-modal-btn:disabled{opacity:.5;cursor:not-allowed}@media (width<=768px){.admin-dashboard-container{flex-direction:column}.admin-sidebar{border-right:none;border-bottom:1px solid var(--border);width:100%;height:auto}.admin-sidebar-nav{flex-direction:row;padding:10px;overflow-x:auto}.admin-nav-btn{white-space:nowrap}.admin-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-form-row{grid-template-columns:1fr}}.message-text-rich{flex-direction:column;gap:12px;width:100%;display:flex}.chat-paragraph{white-space:pre-wrap;line-height:1.5}.table-responsive-wrapper{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);width:100%;margin:10px 0;overflow-x:auto}.chat-table{border-collapse:collapse;text-align:left;width:100%;font-size:13px}.chat-table th{background:var(--bg-hover);color:var(--text-primary);border-bottom:2px solid var(--border);padding:8px 12px;font-weight:600}.chat-table td{border-bottom:1px solid var(--border);color:var(--text-secondary);padding:8px 12px}.chat-table tr:last-child td{border-bottom:none}.chat-table tr:hover td{background:var(--bg-hover);color:var(--text-primary)}.follow-up-suggestions-container{flex-wrap:wrap;justify-content:center;gap:8px;width:100%;margin-bottom:10px;display:flex}.follow-up-chip{background:var(--surface);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);border-radius:20px;padding:6px 14px;font-size:12.5px;font-weight:500}.follow-up-chip:hover{background:var(--bg-hover);border-color:var(--accent);color:var(--text-primary);transform:translateY(-1px)}.db-search-container{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);align-items:center;margin-bottom:20px;padding:8px 12px;display:flex;position:relative}.db-search-icon{width:16px;height:16px;color:var(--text-muted);flex-shrink:0;margin-right:8px}.db-search-input{color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:14px}.db-search-input::placeholder{color:var(--text-muted)}.db-search-clear{color:var(--text-muted);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:0 4px;font-size:18px;display:flex}.db-search-clear:hover{color:var(--text-primary)}.db-no-results-hint{color:var(--text-muted);padding:12px 6px;font-size:13.5px;font-style:italic}.badge-resolved{color:#2e7d32;background:#2e7d3226;border:1px solid #2e7d324d}.badge-open{color:#ef6c00;background:#ef6c0026;border:1px solid #ef6c004d}.auth-overlay{background:var(--bg-secondary);box-sizing:border-box;justify-content:center;align-items:center;width:100vw;min-height:100vh;padding:20px;display:flex}.auth-card{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);text-align:center;width:100%;max-width:420px;padding:40px;animation:.4s ease-out fadeIn;box-shadow:0 4px 12px #0000000d}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.auth-logo{justify-content:center;align-items:center;gap:10px;margin-bottom:8px;display:flex}.auth-logo svg{width:32px;height:32px;color:var(--text-primary)}.auth-logo h1{color:var(--text-primary);letter-spacing:-.5px;margin:0;font-size:24px;font-weight:800}.auth-subtitle{color:var(--text-muted);text-transform:uppercase;letter-spacing:2px;margin-bottom:32px;font-size:13.5px;font-weight:600}.auth-form{text-align:left;flex-direction:column;gap:18px;display:flex}.auth-group{flex-direction:column;gap:6px;display:flex}.auth-group label{color:var(--text-secondary);font-size:12.5px;font-weight:600}.auth-group input{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);transition:all var(--transition);padding:12px 14px;font-family:inherit;font-size:14.5px}.auth-group input:focus{border-color:var(--text-primary);background:var(--bg-primary);outline:none;box-shadow:0 0 0 3px #0000000d}.auth-error-msg{border:1px solid var(--border);color:var(--text-primary);border-radius:var(--radius-sm);background:#00000008;padding:10px 12px;font-size:13px;font-weight:500;line-height:1.4}.auth-submit-btn{background:var(--text-primary);color:var(--bg-primary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);border:none;margin-top:10px;padding:13px;font-size:15px;font-weight:600}.auth-submit-btn:hover{background:#333;transform:translateY(-1px)}.auth-submit-btn:disabled{opacity:.6;cursor:not-allowed}.auth-switch{color:var(--text-secondary);margin-top:24px;font-size:13.5px}.auth-switch button{color:var(--text-primary);cursor:pointer;background:0 0;border:none;padding:0 4px;font-weight:600;text-decoration:underline}.auth-switch button:hover{color:#333}.auth-admin-toggle-btn{border:1px solid var(--border);color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);background:0 0;width:100%;padding:8px 16px;font-size:12.5px}.auth-admin-toggle-btn:hover{background:var(--bg-secondary);color:var(--text-primary);border-color:var(--text-secondary)}.chat-header-info{flex-direction:column;flex:1;align-items:center;display:flex}.chat-header-user-tag{color:var(--text-muted);margin-top:3px;font-size:11.5px;font-weight:500}.chat-logout-btn{border:1px solid var(--border);color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);background:0 0;align-items:center;gap:6px;padding:6px 12px;font-size:12.5px;display:flex}.chat-logout-btn:hover{color:var(--text-primary);border-color:var(--text-primary);background:#0000000d}.top-navbar{background:var(--bg-primary);border-bottom:1px solid var(--border);z-index:200;justify-content:space-between;align-items:center;height:60px;padding:0 24px;display:flex;position:sticky;top:0}.nav-logo{cursor:pointer;align-items:center;gap:10px;display:flex}.nav-logo svg{width:24px;height:24px;color:var(--accent)}.nav-logo-text{color:var(--text-primary);letter-spacing:-.5px;font-size:18px;font-weight:700}.nav-links{gap:8px;display:flex}.nav-link-btn{color:var(--text-secondary);border-radius:var(--radius);cursor:pointer;transition:all var(--transition);background:0 0;border:none;padding:8px 16px;font-family:inherit;font-size:14px;font-weight:500}.nav-link-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-link-btn.active{background:var(--accent-soft);color:var(--text-primary);font-weight:600}.nav-user-info{align-items:center;display:flex}.nav-user-status{color:var(--text-secondary);align-items:center;gap:12px;font-size:13.5px;display:flex}.nav-logout-btn{border:1px solid var(--border);color:var(--text-primary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);background:0 0;padding:4px 10px;font-family:inherit;font-size:12px;font-weight:600}.nav-logout-btn:hover{color:#d32f2f;background:#ffebee;border-color:#ffcdd2}.main-content-container{flex:1;position:relative;overflow:hidden}.main-layout-wrapper{flex-direction:column;width:100vw;height:100vh;display:flex;overflow:hidden}.app-container,.admin-dashboard-container{height:100vh!important}.homepage-container{text-align:center;flex-direction:column;align-items:center;width:100%;height:calc(100vh - 60px);padding:60px 24px;display:flex;overflow-y:auto}.homepage-inner{flex-direction:column;align-items:center;width:100%;max-width:1100px;margin:0 auto;display:flex}.hero-section{flex-direction:column;align-items:center;margin-top:auto;margin-bottom:auto;padding:40px 0;display:flex}.hero-section h1{color:var(--text-primary);letter-spacing:-1.5px;background:linear-gradient(135deg,#000 30%,#444 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:20px;font-size:36px;font-weight:800;line-height:1.15}.hero-section p{color:var(--text-secondary);max-width:680px;margin:0 auto 36px;font-size:16px;font-weight:400;line-height:1.6}.homepage-ctas{gap:20px;margin-bottom:70px;display:flex}.cta-btn{border-radius:var(--radius);cursor:pointer;transition:all var(--transition);padding:12px 28px;font-family:inherit;font-size:15px;font-weight:600;box-shadow:0 4px 12px #0000000d}.cta-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px #0000001a}.cta-btn.primary{background:var(--accent);color:#fff;border:1px solid var(--accent)}.cta-btn.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.cta-btn.secondary{color:var(--text-primary);border:1px solid var(--border);background:0 0}.cta-btn.secondary:hover{background:var(--bg-hover)}.features-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:28px;width:100%;max-width:1000px;display:grid}.feature-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);text-align:left;transition:all var(--transition);padding:28px;position:relative;overflow:hidden}.feature-card:before{content:"";background:var(--accent);opacity:0;width:4px;height:100%;transition:opacity var(--transition);position:absolute;top:0;left:0}.feature-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:0 8px 30px #00000008}.feature-card:hover:before{opacity:1}.feature-card h3{color:var(--text-primary);letter-spacing:-.5px;margin-bottom:12px;font-size:16px;font-weight:700}.feature-card p{color:var(--text-secondary);font-size:13px;line-height:1.6}.about-container{text-align:left;width:100%;height:calc(100vh - 60px);padding:60px 24px;overflow-y:auto}.about-content{max-width:850px;margin:0 auto}.about-container h2{color:var(--text-primary);letter-spacing:-1px;background:linear-gradient(135deg,#000 30%,#444 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:20px;font-size:28px;font-weight:800}.about-container p{color:var(--text-secondary);margin-bottom:16px;font-size:14.5px;line-height:1.7}.about-features{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:20px;margin:32px 0;padding-left:0;list-style:none;display:grid}.about-features li{color:var(--text-primary);background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);transition:all var(--transition);padding:16px;font-size:13.5px;line-height:1.6}.about-features li:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 4px 12px #00000005}.about-features li strong{color:var(--text-primary);margin-bottom:6px;font-size:14.5px;display:block}.admin-datetime-input{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-primary);transition:border-color var(--transition);padding:8px 10px;font-family:inherit;font-size:13.5px}.admin-datetime-input:focus{border-color:var(--accent);outline:none}.admin-badge-super{background:var(--accent);color:#fff;text-transform:uppercase;border-radius:10px;padding:2px 6px;font-size:9px;font-weight:700}.admin-badge-reg{background:var(--bg-tertiary);color:var(--text-secondary);text-transform:uppercase;border-radius:10px;padding:2px 6px;font-size:9px;font-weight:600}@media (width<=768px){.top-navbar{flex-direction:column;justify-content:center;gap:8px;height:auto;min-height:60px;padding:10px}.nav-links{flex-wrap:wrap;justify-content:center;gap:4px;width:100%}.nav-link-btn{padding:6px 10px;font-size:13px}.nav-user-info{font-size:12px}.homepage-container,.about-container{padding:30px 16px}.hero-section h1{font-size:28px}.hero-section p{font-size:14.5px}.homepage-ctas{flex-direction:column;gap:12px;width:100%;max-width:280px;margin-bottom:40px}.cta-btn{width:100%;padding:12px 20px;font-size:14.5px}.features-grid{grid-template-columns:1fr;gap:16px}.about-container h2{font-size:24px}.about-container p{font-size:13.5px}.about-features{grid-template-columns:1fr;gap:12px}}