.timeline-chart-generator{min-height:auto;background:linear-gradient(135deg,var(--gray-900) 0%,var(--gray-800) 100%);padding:2rem;color:var(--gray-200)}.timeline-chart-generator h1{text-align:center;font-size:2.5rem;margin-bottom:.5rem;background:linear-gradient(135deg,#60a5fa,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.timeline-chart-generator .subtitle{text-align:center;color:var(--gray-400);margin-bottom:2rem}.timeline-chart-generator .generator-layout{display:grid;grid-template-columns:350px 1fr;gap:var(--tool-content-gap, 2rem);max-width:var(--tool-container-max-width, 1600px);margin:0 auto}.timeline-chart-generator .controls-panel{background:#1e293bcc;border-radius:16px;padding:1.5rem;border:1px solid rgba(148,163,184,.1);height:fit-content;position:sticky;top:2rem}.timeline-chart-generator .control-section{margin-bottom:2rem;padding-bottom:2rem;border-bottom:1px solid var(--gray-600)}.timeline-chart-generator .control-section:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.timeline-chart-generator .control-section h3{font-size:1.15rem;font-weight:700;color:var(--gray-900);margin-bottom:1.25rem;padding-bottom:.75rem;border-bottom:2px solid var(--primary);letter-spacing:.03em}.timeline-chart-generator .control-group{margin-bottom:1rem}.timeline-chart-generator .control-group label{display:block;color:var(--gray-900);font-size:1rem;margin-bottom:.5rem;font-weight:600;line-height:1.5;letter-spacing:.3px}.timeline-chart-generator .control-group select{width:100%;padding:.625rem;background:#0f172a99;border:1px solid rgba(148,163,184,.2);border-radius:8px;color:var(--gray-200);font-size:.875rem}.timeline-chart-generator .checkbox-group{display:flex;flex-direction:column;gap:.75rem}.timeline-chart-generator .checkbox-group label{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--gray-300);cursor:pointer}.timeline-chart-generator .checkbox-group input[type=checkbox]{width:16px;height:16px;accent-color:#60a5fa}.timeline-chart-generator .theme-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.5rem}.timeline-chart-generator .theme-button{padding:.5rem;border:none;border-radius:8px;font-size:.75rem;font-weight:600;cursor:pointer;transition:all .2s ease}.timeline-chart-generator .theme-button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}.timeline-chart-generator .color-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}.timeline-chart-generator .color-input{display:flex;flex-direction:column;gap:.25rem}.timeline-chart-generator .color-input label{font-size:1rem;color:var(--gray-900);font-weight:600;margin-bottom:.5rem;line-height:1.5;letter-spacing:.3px}.timeline-chart-generator .color-input input[type=color]{width:100%;height:32px;border:none;border-radius:6px;cursor:pointer;background:none}.timeline-chart-generator .preview-panel{background:#f9fafb;border-radius:16px;padding:1.5rem;border:2px solid #d1d5db;box-shadow:0 1px 3px #0000001a}.timeline-chart-generator .preview-panel h3{font-size:1rem;font-weight:600;color:var(--gray-200);margin-bottom:1rem}.timeline-chart-generator .timeline-preview{padding:2rem;background:#f9fafb;border:2px solid #d1d5db;border-radius:12px;margin-bottom:1.5rem;min-height:500px;box-shadow:0 1px 3px #0000001a}.timeline-chart-generator .timeline-container{position:relative;display:flex}.timeline-chart-generator .timeline-container.vertical{flex-direction:column}.timeline-chart-generator .timeline-container.horizontal{flex-direction:row;overflow-x:auto;gap:0}.timeline-chart-generator .timeline-line{position:absolute;z-index:0}.timeline-chart-generator .timeline-container.vertical .timeline-line{width:2px;top:0;bottom:0}.timeline-chart-generator .timeline-container.vertical.left .timeline-line{left:20px}.timeline-chart-generator .timeline-container.vertical.center .timeline-line{left:50%;transform:translate(-50%)}.timeline-chart-generator .timeline-container.vertical.right .timeline-line{right:20px}.timeline-chart-generator .timeline-container.horizontal .timeline-line{height:2px;left:0;right:0;top:20px}.timeline-chart-generator .timeline-line.dashed{background:repeating-linear-gradient(180deg,currentColor 0,currentColor 8px,transparent 8px,transparent 16px)!important}.timeline-chart-generator .timeline-line.dotted{background:repeating-linear-gradient(180deg,currentColor 0,currentColor 4px,transparent 4px,transparent 8px)!important}.timeline-chart-generator .timeline-item{display:flex;padding:20px 0;position:relative;animation:timeline-appear .5s ease forwards;opacity:0}@keyframes timeline-appear{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.timeline-chart-generator .timeline-container.vertical.left .timeline-item{flex-direction:row}.timeline-chart-generator .timeline-container.vertical.right .timeline-item{flex-direction:row-reverse}.timeline-chart-generator .timeline-container.vertical.center .timeline-item{flex-direction:row;justify-content:flex-start;padding-left:calc(50% + 40px)}.timeline-chart-generator .timeline-container.vertical.center .timeline-item.alternate{flex-direction:row-reverse;padding-left:0;padding-right:calc(50% + 40px)}.timeline-chart-generator .timeline-container.horizontal .timeline-item{flex-direction:column;min-width:200px;padding:0 20px}.timeline-chart-generator .timeline-marker{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--white);z-index:1;flex-shrink:0;border:3px solid;transition:all .2s ease}.timeline-chart-generator .timeline-marker.dot{width:12px;height:12px}.timeline-chart-generator .timeline-marker.diamond{border-radius:0;transform:rotate(45deg)}.timeline-chart-generator .timeline-marker.diamond .timeline-marker-inner{transform:rotate(-45deg)}.timeline-chart-generator .timeline-marker.square{border-radius:8px}.timeline-chart-generator .timeline-marker.icon{font-size:18px}.timeline-chart-generator .timeline-marker-inner{font-size:14px}.timeline-chart-generator .timeline-content{flex:1;padding-left:24px}.timeline-chart-generator .timeline-container.vertical.right .timeline-content,.timeline-chart-generator .timeline-container.vertical.center .timeline-item.alternate .timeline-content{padding-left:0;padding-right:24px;text-align:right}.timeline-chart-generator .timeline-container.horizontal .timeline-content{padding-left:0;padding-top:20px;text-align:center}.timeline-chart-generator .timeline-card{padding:16px}.timeline-chart-generator .timeline-date{font-size:12px;font-weight:600;margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}.timeline-chart-generator .timeline-title{font-size:16px;font-weight:600;margin-bottom:8px}.timeline-chart-generator .timeline-description{font-size:14px;line-height:1.6}.timeline-chart-generator .code-output{margin-top:1.5rem}.timeline-chart-generator .code-tabs{display:flex;gap:.5rem;margin-bottom:1rem;flex-wrap:wrap}.timeline-chart-generator .code-tab{padding:.5rem 1rem;background:#60a5fa1a;border:1px solid rgba(96,165,250,.3);border-radius:8px;color:#60a5fa;font-size:.875rem;cursor:pointer;transition:all .2s ease}.timeline-chart-generator .code-tab:hover{background:#60a5fa33}.timeline-chart-generator .code-tab.copied{background:#22c55e33;border-color:#22c55e4d;color:var(--success)}.timeline-chart-generator .code-preview{background:#0f172acc;border:2px solid #d1d5db;border-radius:12px;padding:1rem;overflow-x:auto;max-height:400px;box-shadow:0 1px 3px #0000001a}.timeline-chart-generator .code-preview code{font-family:Fira Code,Monaco,Consolas,monospace;font-size:.8rem;color:var(--gray-200);white-space:pre}.control-panel{background-color:#1f2937f2!important;border:2px solid var(--gray-400)!important;border-radius:6px}[data-theme=dark] .control-section{background-color:#1f2937e6!important;border-color:var(--gray-400)!important;border-width:2px}[data-theme=dark] .control-group input,[data-theme=dark] .control-group select,[data-theme=dark] .control-group textarea{background-color:#0f172acc!important;border:2px solid var(--gray-500)!important;color:var(--text-primary)}[data-theme=dark] .control-group label{display:block;color:var(--gray-900);font-size:1rem;margin-bottom:.5rem;font-weight:600;line-height:1.5;letter-spacing:.3px}@media (max-width: 1023px){.timeline-chart-generator .generator-layout{grid-template-columns:1fr}.timeline-chart-generator .controls-panel{position:static}}@media (max-width: 640px){.timeline-chart-generator{padding:1rem}.timeline-chart-generator h1{font-size:1.75rem}.timeline-chart-generator .color-grid{grid-template-columns:repeat(3,1fr)}}