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4rem);overflow:hidden}.page-header{margin-bottom:2rem;padding:20px 24px;background:var(--bg-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-light)}.page-header h1{font-family:var(--font-display);font-size:1.25rem;font-weight:700;color:var(--text-primary);margin:0 0 4px;letter-spacing:-.02em}.page-subtitle{color:var(--text-muted);font-size:.85rem;margin:0}.loading-state,.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;gap:1rem;background:var(--bg-surface);border-radius:var(--radius-lg);padding:2rem;border:1px solid var(--border-light)}.spinner{width:36px;height:36px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}.error-state button{padding:8px 16px;background:var(--primary);color:#fff;border:none;border-radius:6px;cursor:pointer;font-weight:600;font-size:.8rem;transition:all .15s}.error-state button:hover{background:var(--primary-dark)}.combined-chart-container{background:var(--bg-surface);border-radius:var(--radius-lg);padding:2rem;border:1px solid var(--border-light);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;align-items:center}.saturation-chart{display:block;margin:0 auto}.chart-legend-combined{display:flex;flex-wrap:wrap;gap:2rem;justify-content:center;margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border-light);width:100%}.legend-section{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem}.legend-title{font-family:var(--font-display);font-weight:700;font-size:.72rem;color:var(--text-muted);margin-right:.5rem;text-transform:uppercase;letter-spacing:.04em}.legend-item-btn{display:flex;align-items:center;gap:.4rem;padding:.3rem .6rem;background:transparent;border:1px solid var(--border-light);border-radius:4px;cursor:pointer;font-size:.75rem;color:var(--text-primary);transition:all .15s}.legend-item-btn:hover{border-color:var(--legend-color);background:color-mix(in srgb,var(--legend-color) 8%,transparent)}.legend-item-btn.active{border-color:var(--legend-color);background:color-mix(in srgb,var(--legend-color) 12%,transparent)}.legend-item-btn .legend-line{width:20px;height:2px;background:var(--legend-color);border-radius:1px}.legend-section.markers{gap:1rem}.marker-item{display:flex;align-items:center;gap:.4rem;font-size:.75rem;color:var(--text-primary)}.marker-circle{width:8px;height:8px;border-radius:50%;background:var(--text-muted)}.marker-triangle{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-bottom:8px solid var(--text-muted)}.marker-square{width:8px;height:8px;background:var(--text-muted)}.marker-star{width:14px;height:14px;background:#d97706;clip-path:polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}[data-theme=dark] .combined-chart-container{background:var(--bg-surface)}[data-theme=dark] .saturation-chart text{fill:var(--text-primary)}[data-theme=dark] .saturation-chart line{stroke:var(--border-light)}.curves-container-with-nav{display:flex;align-items:stretch;gap:.75rem;height:auto;max-height:calc(100vh - 180px);width:100%;position:relative}.side-nav-arrow{width:36px;height:36px;min-width:36px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-surface);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.side-nav-arrow:hover:not(:disabled){background:var(--primary);color:#fff;border-color:var(--primary)}.side-nav-arrow:disabled{opacity:.3;cursor:not-allowed}.side-nav-arrow svg{transition:transform .15s ease}[data-theme=dark] .side-nav-arrow{background:var(--bg-elevated);border-color:var(--border);color:var(--text-secondary)}[data-theme=dark] .side-nav-arrow:hover:not(:disabled){background:var(--primary);color:#fff}.curve-main-display{flex:1;background:var(--bg-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border-light);display:flex;flex-direction:column;height:auto;min-height:0;opacity:1;transform:scale(1);transition:all .25s cubic-bezier(.4,0,.2,1);overflow:hidden}.curve-main-display.transitioning{opacity:0;transform:scale(.98)}[data-theme=dark] .curve-main-display{background:var(--bg-surface)}.channel-title-bar{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.25rem;border-bottom:1px solid var(--border-light);flex-shrink:0;background:var(--bg-surface);z-index:10}.channel-title-bar h3{font-family:var(--font-display);font-size:.95rem;font-weight:700;color:var(--text-primary);margin:0;line-height:1.4;letter-spacing:-.02em}[data-theme=dark] .channel-title-bar{background:var(--bg-surface)}.channel-badge{font-size:.68rem;color:var(--text-muted);background:var(--bg-elevated);padding:2px 8px;border-radius:20px;font-weight:600}.plot-wrapper{flex:0 0 auto;padding:.5rem 1rem;overflow:hidden;display:flex;flex-direction:column;position:relative}.curve-controls-bottom{display:flex;gap:.625rem;justify-content:center;align-items:center;padding:.75rem 1rem;border-top:1px solid var(--border-light);background:var(--bg-elevated);border-radius:0 0 var(--radius-lg) var(--radius-lg);flex-shrink:0;position:relative;z-index:10}.marker-toggle-btn{padding:6px 12px;border-radius:6px;border:1px solid var(--border);background:var(--bg-surface);color:var(--text-secondary);cursor:pointer;transition:all .15s ease;font-weight:600;font-size:.75rem;white-space:nowrap;min-width:75px;pointer-events:auto;position:relative;z-index:10}.marker-toggle-btn:hover{border-color:var(--primary);color:var(--primary)}.marker-toggle-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}[data-theme=dark] .curve-controls-bottom{background:var(--bg-elevated)}[data-theme=dark] .marker-toggle-btn{background:var(--bg-surface);border-color:var(--border);color:var(--text-secondary)}[data-theme=dark] .marker-toggle-btn:hover{border-color:var(--primary);color:var(--primary)}[data-theme=dark] .marker-toggle-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}@media (max-width: 960px){.saturation-curves-page{padding:1rem}.combined-chart-container{padding:1rem;overflow-x:auto}.saturation-chart{min-width:900px}.chart-legend-combined{flex-direction:column;align-items:flex-start}.curves-container-with-nav{height:auto;min-height:500px}.side-nav-arrow{width:32px;height:32px;min-width:32px}.channel-title-bar{padding:.625rem 1rem}.channel-title-bar h3{font-size:.85rem}.curve-controls-bottom{gap:.5rem;flex-wrap:wrap;padding:.625rem}.marker-toggle-btn{padding:5px 10px;font-size:.7rem;min-width:65px}.plot-wrapper{padding:.5rem .75rem}}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:#f5f6fa}.login-background{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0}.login-bg-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse at 25% 40%,rgba(79,70,229,.08) 0%,transparent 55%),radial-gradient(ellipse at 75% 25%,rgba(14,165,233,.06) 0%,transparent 50%),radial-gradient(ellipse at 50% 85%,rgba(99,102,241,.06) 0%,transparent 55%),radial-gradient(circle at 85% 75%,rgba(79,70,229,.04) 0%,transparent 35%)}.login-bg-overlay:before{content:"";position:absolute;top:15%;left:10%;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(79,70,229,.05) 0%,transparent 70%);animation:float 8s ease-in-out infinite}.login-bg-overlay:after{content:"";position:absolute;bottom:15%;right:10%;width:250px;height:250px;border-radius:50%;background:radial-gradient(circle,rgba(14,165,233,.04) 0%,transparent 70%);animation:float 10s ease-in-out infinite reverse}.login-card{position:relative;z-index:1;background:#ffffffeb;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:20px;padding:44px 40px 36px;width:100%;max-width:420px;box-shadow:0 4px 24px #1e1b4b14,0 1px 4px #1e1b4b0a,inset 0 1px #fffc;border:1px solid rgba(221,221,232,.6);animation:cardReveal .6s cubic-bezier(.16,1,.3,1)}.login-header{text-align:center;margin-bottom:32px}.login-logo{margin-bottom:18px;display:flex;justify-content:center}.login-logo-img{width:60px;height:60px;object-fit:contain}.login-title{font-family:Outfit,system-ui,sans-serif;font-size:1.4rem;font-weight:700;margin:0 0 6px;color:#1e1b4b;letter-spacing:-.03em}.login-subtitle{font-size:.83rem;color:#9ca3af;margin:0;font-weight:400}.login-form{display:flex;flex-direction:column;gap:18px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.78rem;font-weight:600;color:#4b5563;letter-spacing:.01em}.form-group input{padding:12px 14px;border:1.5px solid #DDDDE8;border-radius:10px;font-size:.9rem;transition:all .2s cubic-bezier(.16,1,.3,1);outline:none;background:#f5f6fab3;color:#1e1b4b}.form-group input:focus{border-color:#4f46e5;box-shadow:0 0 0 3px #4f46e514;background:#fff}.form-group input:disabled{background-color:#eeeef6;cursor:not-allowed;opacity:.7}.form-group input::placeholder{color:#9ca3af}.login-message{padding:10px 14px;border-radius:10px;font-size:.8rem;font-weight:500;text-align:center}.login-message.error{background-color:#fef2f2;color:#dc2626;border:1px solid rgba(220,38,38,.12)}.login-message.success{background-color:#ecfdf5;color:#059669;border:1px solid rgba(5,150,105,.12)}.login-btn{padding:13px;background:linear-gradient(135deg,#4f46e5,#6366f1);color:#fff;border:none;border-radius:10px;font-size:.9rem;font-weight:700;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1);margin-top:4px;box-shadow:0 2px 8px #4f46e540;letter-spacing:.02em}.login-btn:hover:not(:disabled){box-shadow:0 4px 16px #4f46e559;transform:translateY(-1px)}.login-btn:active:not(:disabled){transform:scale(.99)}.login-btn:disabled{opacity:.6;cursor:not-allowed}.login-footer{margin-top:24px;text-align:center;padding-top:20px;border-top:1px solid #ECEDF5}.login-footer p{font-size:.8rem;color:#9ca3af;margin:0 0 8px}.waitlist-link-btn{background:none;border:none;color:#4f46e5;font-size:.8rem;font-weight:600;cursor:pointer;text-decoration:none;transition:color .2s ease}.waitlist-link-btn:hover{color:#4338ca;text-decoration:underline}@media (max-width: 600px){.login-card{padding:32px 24px 24px;margin:20px;max-width:100%;border-radius:16px}.login-title{font-size:1.2rem}}.waitlist-container{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:#f5f6fa}.waitlist-background{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0}.waitlist-bg-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(ellipse at 75% 40%,rgba(79,70,229,.08) 0%,transparent 55%),radial-gradient(ellipse at 25% 25%,rgba(14,165,233,.06) 0%,transparent 50%),radial-gradient(ellipse at 50% 85%,rgba(99,102,241,.06) 0%,transparent 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36px}.success-icon{width:56px;height:56px;background:linear-gradient(135deg,#059669,#10b981);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;margin:0 auto 20px;animation:scaleIn .4s cubic-bezier(.16,1,.3,1);box-shadow:0 4px 12px #05966940}@keyframes scaleIn{0%{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}.waitlist-header{text-align:center;margin-bottom:32px}.waitlist-logo{margin-bottom:18px;display:flex;justify-content:center}.waitlist-logo-img{width:60px;height:60px;object-fit:contain}.waitlist-title{font-family:Outfit,system-ui,sans-serif;font-size:1.4rem;font-weight:700;margin:0 0 8px;color:#1e1b4b;letter-spacing:-.03em}.waitlist-subtitle{font-size:.83rem;color:#9ca3af;margin:0;line-height:1.5}.success-message{font-size:.9rem;color:#4b5563;line-height:1.6;margin:0 0 24px}.waitlist-features{background:#f5f6fab3;border-radius:12px;padding:18px;margin-bottom:28px;display:flex;flex-direction:column;gap:14px;border:1px solid #ECEDF5}.feature-item{display:flex;align-items:center;gap:10px;font-size:.85rem;color:#4b5563}.feature-icon{font-size:1.1rem;flex-shrink:0}.waitlist-form{display:flex;flex-direction:column;gap:18px}.waitlist-message{padding:10px 14px;border-radius:10px;font-size:.8rem;font-weight:500;text-align:center}.waitlist-message.error{background-color:#fef2f2;color:#dc2626;border:1px solid rgba(220,38,38,.12)}.waitlist-message.success{background-color:#ecfdf5;color:#059669;border:1px solid rgba(5,150,105,.12)}.waitlist-btn,.back-to-login-btn{padding:13px;background:linear-gradient(135deg,#4f46e5,#6366f1);color:#fff;border:none;border-radius:10px;font-size:.9rem;font-weight:700;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1);margin-top:4px;box-shadow:0 2px 8px #4f46e540;letter-spacing:.02em}.waitlist-btn:hover:not(:disabled),.back-to-login-btn:hover{box-shadow:0 4px 16px #4f46e559;transform:translateY(-1px)}.waitlist-btn:active:not(:disabled),.back-to-login-btn:active{transform:scale(.99)}.waitlist-btn:disabled{opacity:.6;cursor:not-allowed}.waitlist-footer{margin-top:24px;text-align:center;padding-top:20px;border-top:1px solid #ECEDF5}.waitlist-footer p{font-size:.8rem;color:#9ca3af;margin:0 0 8px}.login-link-btn{background:none;border:none;color:#4f46e5;font-size:.8rem;font-weight:600;cursor:pointer;text-decoration:none;transition:color .2s ease}.login-link-btn:hover{color:#4338ca;text-decoration:underline}@media (max-width: 600px){.waitlist-card{padding:32px 24px 24px;margin:20px;max-width:100%;border-radius:16px}.waitlist-card.success-card{padding:40px 24px 28px}.waitlist-title{font-size:1.2rem}}.admin-container{min-height:100vh;background:var(--bg-page, #F5F6FA)}.admin-header{background:var(--bg-surface, white);padding:16px 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12px;background:var(--bg-elevated, #EEEEF6);border-radius:20px}.goto-app-btn{padding:8px 16px;background:linear-gradient(135deg,var(--primary, #4F46E5),var(--primary-light, #6366F1));color:#fff;border:none;border-radius:8px;font-size:.78rem;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1);box-shadow:0 1px 4px #4f46e533}.goto-app-btn:hover{box-shadow:0 4px 12px #4f46e54d;transform:translateY(-1px)}.admin-container .logout-btn{padding:8px 16px;background:transparent;color:var(--error, #dc2626);border:1px solid rgba(220,38,38,.18);border-radius:8px;font-size:.78rem;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1)}.admin-container .logout-btn:hover{background:var(--error-bg, #fef2f2);border-color:#dc26264d}.admin-content{max-width:1200px;margin:32px auto;padding:0 32px;animation:fadeIn .4s ease}.admin-message{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:.8rem;font-weight:500;display:flex;justify-content:space-between;align-items:center;animation:slideDown .25s cubic-bezier(.16,1,.3,1)}@keyframes slideDown{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.admin-message.error{background-color:var(--error-bg, #fef2f2);color:var(--error, #dc2626);border:1px solid rgba(220,38,38,.12)}.admin-message.success{background-color:var(--success-bg, #ecfdf5);color:var(--success, #059669);border:1px solid var(--success-border, rgba(5, 150, 105, .15))}.close-message-btn{background:none;border:none;font-size:14px;cursor:pointer;opacity:.6;transition:opacity .15s;color:inherit}.close-message-btn:hover{opacity:1}.admin-tabs{display:flex;gap:4px;margin-bottom:16px;background:var(--bg-elevated, #EEEEF6);padding:4px;border-radius:10px;width:fit-content}.tab-btn{padding:8px 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h2{margin:0;font-family:var(--font-display, "Outfit", system-ui, sans-serif);font-size:1rem;font-weight:700;color:var(--text-primary, #1E1B4B);letter-spacing:-.02em}.refresh-btn{padding:6px 14px;background:var(--bg-elevated, #EEEEF6);border:1px solid var(--border, #DDDDE8);border-radius:8px;font-size:.75rem;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1);color:var(--text-secondary, #4B5563)}.refresh-btn:hover{background:var(--bg-hover);border-color:var(--primary, #4F46E5);color:var(--primary, #4F46E5)}.empty-state{text-align:center;padding:48px 20px}.empty-icon{font-size:2.5rem;margin-bottom:12px;opacity:.4}.empty-state p{font-size:.85rem;color:var(--text-muted, #9CA3AF)}.users-table{overflow-x:auto}.users-table table{width:100%;border-collapse:collapse}.users-table thead{background:var(--bg-elevated, #EEEEF6)}.users-table th{padding:10px 14px;text-align:left;font-family:var(--font-display, "Outfit", system-ui, 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