:root{--color-bg-primary: #0a0e17;--color-bg-secondary: #111827;--color-bg-tertiary: #1a2332;--color-bg-elevated: #1f2937;--color-bg-hover: #374151;--color-accent: #00d9ff;--color-accent-hover: #00b8d9;--color-accent-muted: rgba(0, 217, 255, .15);--color-accent-glow: rgba(0, 217, 255, .4);--color-success: #10b981;--color-success-bg: rgba(16, 185, 129, .15);--color-warning: #f59e0b;--color-warning-bg: rgba(245, 158, 11, .15);--color-error: #ef4444;--color-error-bg: rgba(239, 68, 68, .15);--color-info: #3b82f6;--color-info-bg: rgba(59, 130, 246, .15);--color-text-primary: #f9fafb;--color-text-secondary: #9ca3af;--color-text-muted: #6b7280;--color-text-inverse: #111827;--color-border: #374151;--color-border-light: #1f2937;--font-sans: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", monospace;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .4);--shadow-glow: 0 0 20px var(--color-accent-glow);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}#root{width:100%;max-width:100%;overflow-x:hidden;position:relative}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;width:100%;max-width:100%}body{font-family:var(--font-sans);background:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden;width:100%;max-width:100%;position:relative}body:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at top,rgba(0,217,255,.08) 0%,transparent 50%),radial-gradient(ellipse at bottom right,rgba(59,130,246,.05) 0%,transparent 50%);pointer-events:none;z-index:-1}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:var(--space-md)}.loading-spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.app-layout{display:flex;min-height:100vh;width:100%;max-width:100%;overflow-x:hidden;position:relative}.sidebar{width:260px;background:var(--color-bg-secondary);border-right:1px solid var(--color-border-light);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:1000}.sidebar-header{padding:var(--space-lg);border-bottom:1px solid var(--color-border-light)}.sidebar-logo{display:flex;align-items:center;gap:var(--space-sm);font-size:1.25rem;font-weight:700;color:var(--color-text-primary)}.sidebar-logo svg{width:32px;height:32px}.sidebar-nav{flex:1;padding:var(--space-md);overflow-y:auto}.nav-section{margin-bottom:var(--space-lg)}.nav-section-title{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-muted);padding:var(--space-sm) var(--space-sm);margin-bottom:var(--space-xs)}.nav-link{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);color:var(--color-text-secondary);font-size:.9rem;font-weight:500;transition:all var(--transition-fast)}.nav-link:hover{background:var(--color-bg-hover);color:var(--color-text-primary)}.nav-link.active{background:var(--color-accent-muted);color:var(--color-accent)}.nav-link svg{width:18px;height:18px}.sidebar-footer{padding:var(--space-md);border-top:1px solid var(--color-border-light)}.user-menu{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm);border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast)}.user-menu:hover{background:var(--color-bg-hover)}.user-avatar{width:36px;height:36px;border-radius:var(--radius-full);background:var(--color-accent);display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--color-text-inverse);font-size:.9rem}.user-info{flex:1;min-width:0}.user-name{font-size:.85rem;font-weight:600;color:var(--color-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-email{font-size:.75rem;color:var(--color-text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.main-content{flex:1;margin-left:260px;min-height:100vh;width:100%;max-width:100%;overflow-x:hidden;position:relative;z-index:1}.page-container{max-width:1400px;margin:0 auto;padding:var(--space-xl);width:100%;box-sizing:border-box}.page-header{margin-bottom:var(--space-xl);width:100%;box-sizing:border-box}.page-title{font-size:1.75rem;font-weight:700;color:var(--color-text-primary);margin-bottom:var(--space-xs)}.page-subtitle{font-size:.95rem;color:var(--color-text-secondary)}.card{background:var(--color-bg-secondary);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);overflow:hidden;width:100%;box-sizing:border-box}.card-header{padding:var(--space-lg);border-bottom:1px solid var(--color-border-light);display:flex;align-items:center;justify-content:space-between}.card-title{font-size:1rem;font-weight:600;color:var(--color-text-primary)}.card-body{padding:var(--space-lg)}.card-footer{padding:var(--space-md) var(--space-lg);border-top:1px solid var(--color-border-light);background:var(--color-bg-tertiary)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-md);margin-bottom:var(--space-xl);width:100%;box-sizing:border-box}.stat-card{background:var(--color-bg-secondary);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);padding:var(--space-lg);display:flex;flex-direction:column;gap:var(--space-sm);transition:all var(--transition-base)}.stat-card:hover{border-color:var(--color-accent);box-shadow:var(--shadow-glow)}.stat-card-header{display:flex;align-items:center;justify-content:space-between}.stat-card-icon{width:40px;height:40px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center}.stat-card-icon.pending{background:var(--color-warning-bg);color:var(--color-warning)}.stat-card-icon.approved{background:var(--color-success-bg);color:var(--color-success)}.stat-card-icon.sent{background:var(--color-info-bg);color:var(--color-info)}.stat-card-icon.rejected{background:var(--color-error-bg);color:var(--color-error)}.stat-card-value{font-size:2rem;font-weight:700;color:var(--color-text-primary);font-family:var(--font-mono)}.stat-card-label{font-size:.85rem;color:var(--color-text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);font-size:.9rem;font-weight:600;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all var(--transition-fast);font-family:inherit;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-accent);color:var(--color-text-inverse)}.btn-primary:hover:not(:disabled){background:var(--color-accent-hover);box-shadow:var(--shadow-glow)}.btn-secondary{background:var(--color-bg-elevated);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg-hover);border-color:var(--color-text-muted)}.btn-success{background:var(--color-success);color:#fff}.btn-success:hover:not(:disabled){background:#059669}.btn-danger{background:var(--color-error);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-ghost{background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover:not(:disabled){background:var(--color-bg-elevated);color:var(--color-text-primary)}.btn-sm{padding:var(--space-xs) var(--space-sm);font-size:.8rem}.btn-lg{padding:var(--space-md) var(--space-xl);font-size:1rem}.btn-icon{padding:var(--space-sm)}.form-group{margin-bottom:var(--space-lg)}.form-label{display:block;font-size:.85rem;font-weight:600;color:var(--color-text-secondary);margin-bottom:var(--space-sm)}.form-input,.form-select,.form-textarea{width:100%;padding:var(--space-sm) var(--space-md);font-size:.95rem;font-family:inherit;background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);transition:all var(--transition-fast)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-muted)}.form-input::placeholder,.form-textarea::placeholder{color:var(--color-text-muted)}.form-textarea{min-height:120px;resize:vertical}.form-error{font-size:.8rem;color:var(--color-error);margin-top:var(--space-xs)}.form-hint{font-size:.8rem;color:var(--color-text-muted);margin-top:var(--space-xs)}.table-container{overflow-x:auto;width:100%;max-width:100%;box-sizing:border-box;-webkit-overflow-scrolling:touch}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:var(--space-md);text-align:left;border-bottom:1px solid var(--color-border-light)}.table th{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);background:var(--color-bg-tertiary)}.table tr:hover{background:var(--color-bg-tertiary)}.badge{display:inline-flex;align-items:center;padding:var(--space-xs) var(--space-sm);font-size:.75rem;font-weight:600;border-radius:var(--radius-full)}.badge-pending{background:var(--color-warning-bg);color:var(--color-warning)}.badge-approved{background:var(--color-success-bg);color:var(--color-success)}.badge-sent{background:var(--color-info-bg);color:var(--color-info)}.badge-rejected{background:var(--color-error-bg);color:var(--color-error)}.thread-list{display:flex;flex-direction:column;width:100%;box-sizing:border-box}.thread-item{display:flex;align-items:flex-start;gap:var(--space-md);padding:var(--space-lg);border-bottom:1px solid var(--color-border-light);cursor:pointer;transition:background var(--transition-fast)}.thread-item:hover{background:var(--color-bg-tertiary)}.thread-item:last-child{border-bottom:none}.thread-status-icon{width:40px;height:40px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.thread-content{flex:1;min-width:0}.thread-subject{font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-xs);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thread-preview{font-size:.85rem;color:var(--color-text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.thread-meta{display:flex;align-items:center;gap:var(--space-md);margin-top:var(--space-sm);font-size:.8rem;color:var(--color-text-muted)}.thread-time{display:flex;flex-direction:column;align-items:flex-end;flex-shrink:0;gap:var(--space-xs)}.email-container{display:flex;flex-direction:column;gap:var(--space-md)}.email-message{background:var(--color-bg-secondary);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);overflow:hidden}.email-header{padding:var(--space-md) var(--space-lg);background:var(--color-bg-tertiary);border-bottom:1px solid var(--color-border-light)}.email-from{font-weight:600;color:var(--color-text-primary)}.email-to{font-size:.85rem;color:var(--color-text-muted)}.email-date{font-size:.8rem;color:var(--color-text-muted);margin-top:var(--space-xs)}.email-body{padding:var(--space-lg);white-space:pre-wrap;font-size:.95rem;line-height:1.7}.response-editor{background:var(--color-bg-secondary);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);overflow:hidden}.response-header{padding:var(--space-md) var(--space-lg);background:var(--color-accent-muted);border-bottom:1px solid var(--color-border-light);display:flex;align-items:center;gap:var(--space-sm);color:var(--color-accent);font-weight:600}.response-body{padding:var(--space-lg)}.response-textarea{width:100%;min-height:300px;padding:var(--space-md);background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-family:inherit;font-size:.95rem;line-height:1.7;resize:vertical}.response-textarea:focus{outline:none;border-color:var(--color-accent)}.response-actions{padding:var(--space-md) var(--space-lg);background:var(--color-bg-tertiary);border-top:1px solid var(--color-border-light);display:flex;justify-content:flex-end;gap:var(--space-sm)}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--space-lg)}.auth-container{width:100%;max-width:420px}.auth-card{background:var(--color-bg-secondary);border:1px solid var(--color-border-light);border-radius:var(--radius-xl);padding:var(--space-2xl)}.auth-logo{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);font-size:1.5rem;font-weight:700;margin-bottom:var(--space-xl);color:var(--color-text-primary)}.auth-logo svg{width:40px;height:40px}.auth-title{font-size:1.25rem;font-weight:600;text-align:center;margin-bottom:var(--space-sm)}.auth-subtitle{font-size:.9rem;color:var(--color-text-muted);text-align:center;margin-bottom:var(--space-xl)}.auth-footer{text-align:center;margin-top:var(--space-lg);font-size:.9rem;color:var(--color-text-muted)}.alert{padding:var(--space-md);border-radius:var(--radius-md);margin-bottom:var(--space-md);display:flex;align-items:flex-start;gap:var(--space-sm)}.alert-error{background:var(--color-error-bg);color:var(--color-error);border:1px solid var(--color-error)}.alert-success{background:var(--color-success-bg);color:var(--color-success);border:1px solid var(--color-success)}.alert-warning{background:var(--color-warning-bg);color:var(--color-warning);border:1px solid var(--color-warning)}.alert-info{background:var(--color-info-bg);color:var(--color-info);border:1px solid var(--color-info)}.empty-state{text-align:center;padding:var(--space-3xl)}.empty-state-icon{width:64px;height:64px;margin:0 auto var(--space-lg);color:var(--color-text-muted);opacity:.5}.empty-state-title{font-size:1.1rem;font-weight:600;color:var(--color-text-secondary);margin-bottom:var(--space-sm)}.empty-state-description{font-size:.9rem;color:var(--color-text-muted);max-width:300px;margin:0 auto var(--space-lg)}.tabs{display:flex;gap:var(--space-xs);border-bottom:1px solid var(--color-border-light);margin-bottom:var(--space-lg)}.tab{padding:var(--space-sm) var(--space-lg);font-size:.9rem;font-weight:500;color:var(--color-text-muted);background:none;border:none;cursor:pointer;position:relative;transition:color var(--transition-fast)}.tab:hover{color:var(--color-text-primary)}.tab.active{color:var(--color-accent)}.tab.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--color-accent)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;padding:var(--space-lg);z-index:1000;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--color-bg-secondary);border:1px solid var(--color-border-light);border-radius:var(--radius-xl);width:100%;max-width:500px;max-height:90vh;overflow:auto;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{padding:var(--space-lg);border-bottom:1px solid var(--color-border-light);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:1.1rem;font-weight:600}.modal-body{padding:var(--space-lg)}.modal-footer{padding:var(--space-md) var(--space-lg);border-top:1px solid var(--color-border-light);display:flex;justify-content:flex-end;gap:var(--space-sm)}.connection-card{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-lg);background:var(--color-bg-tertiary);border-radius:var(--radius-lg)}.connection-icon{width:48px;height:48px;border-radius:var(--radius-md);background:var(--color-bg-elevated);display:flex;align-items:center;justify-content:center}.connection-info{flex:1}.connection-provider{font-weight:600;color:var(--color-text-primary)}.connection-email{font-size:.85rem;color:var(--color-text-muted)}.connection-status{display:flex;align-items:center;gap:var(--space-xs);font-size:.85rem}.connection-status.connected{color:var(--color-success)}.connection-status.disconnected{color:var(--color-error)}.status-dot{width:8px;height:8px;border-radius:50%;background:currentColor}.knowledge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--space-md)}.knowledge-card{background:var(--color-bg-secondary);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);padding:var(--space-lg);cursor:pointer;transition:all var(--transition-base)}.knowledge-card:hover{border-color:var(--color-accent);transform:translateY(-2px)}.knowledge-card-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:var(--space-sm)}.knowledge-card-title{font-weight:600;color:var(--color-text-primary)}.knowledge-card-category{font-size:.75rem;padding:var(--space-xs) var(--space-sm);background:var(--color-accent-muted);color:var(--color-accent);border-radius:var(--radius-sm)}.knowledge-card-content{font-size:.9rem;color:var(--color-text-muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.knowledge-card-footer{margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--color-border-light);display:flex;justify-content:space-between;font-size:.8rem;color:var(--color-text-muted)}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.main-content{margin-left:0}.stats-grid{grid-template-columns:repeat(2,1fr)}.page-container{padding:var(--space-md)}}.home-page{--home-max-width: 1200px;--home-section-padding: 6rem 1.5rem;font-family:Satoshi,DM Sans,-apple-system,BlinkMacSystemFont,sans-serif}.home-nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:#0a0e17d9;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.05)}.home-nav-inner{max-width:var(--home-max-width);margin:0 auto;padding:1rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:2rem}.home-logo{display:flex;align-items:center;gap:.5rem;font-size:1.35rem;font-weight:700;color:var(--color-text-primary);text-decoration:none;letter-spacing:-.02em}.home-logo:hover{color:var(--color-text-primary)}.home-nav-links{display:flex;align-items:center;gap:2rem}.home-nav-links a{font-size:.9rem;font-weight:500;color:var(--color-text-secondary);text-decoration:none;transition:color var(--transition-fast)}.home-nav-links a:hover{color:var(--color-text-primary)}.home-nav-actions{display:flex;align-items:center;gap:.75rem}.mobile-menu-btn{display:none;align-items:center;justify-content:center;padding:.5rem;background:none;border:none;cursor:pointer;color:var(--color-text-primary);transition:color var(--transition-fast)}.mobile-menu-btn:hover{color:var(--color-accent)}.mobile-menu{position:absolute;top:100%;left:0;right:0;background:var(--color-bg-secondary);border-bottom:1px solid var(--color-border-light);padding:1.5rem;flex-direction:column;gap:1.5rem;opacity:0;transform:translateY(-10px);pointer-events:none;transition:all .3s ease;display:none}.mobile-menu.open{opacity:1;transform:translateY(0);pointer-events:auto}@media (max-width: 768px){.mobile-menu{display:flex}}.mobile-menu-links{display:flex;flex-direction:column;gap:.5rem}.mobile-menu-links 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