:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color-scheme:light;--bg-app: #fafafa;--bg-canvas: #1a1a1a;--bg-panel: #ffffff;--bg-input: #ffffff;--bg-input-hover: #f5f5f5;--bg-hover: #f5f5f5;--bg-active: #ececec;--bg-overlay: rgba(0, 0, 0, .04);--border-subtle: #e5e5e5;--border-medium: #d0d0d0;--border-strong: #999;--border-focus: #000;--text-primary: #1a1a1a;--text-secondary: #666;--text-tertiary: #999;--text-disabled: #bbb;--text-inverse: #ffffff;--accent: #000;--accent-hover: #2a2a2a;--accent-fg: #ffffff;--color-warn: #c0a040;--color-danger: #c53030;--color-success: #2f855a;--shadow-subtle: 0 1px 3px rgba(0, 0, 0, .04);--shadow-card: 0 1px 4px rgba(0, 0, 0, .06);--shadow-hover: 0 4px 14px rgba(0, 0, 0, .08);--shadow-panel: -2px 0 12px rgba(0, 0, 0, .06)}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;width:100%;overflow:hidden}.app-root{width:100vw;height:100vh;background:var(--bg-canvas);color:var(--text-primary)}.sidebar{position:absolute;top:0;right:0;bottom:0;background:var(--bg-panel);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:13px;padding:16px 20px;overflow-y:auto;border-left:1px solid var(--border-subtle);box-shadow:var(--shadow-panel);z-index:5}.sidebar-resize-handle{position:absolute;left:0;top:0;bottom:0;width:6px;cursor:col-resize;background:transparent;transition:background .15s ease;z-index:1}.sidebar-resize-handle:hover,.sidebar-resize-handle:active{background:#00000014}.sidebar h2{font-size:16px;font-weight:600;margin:0 0 16px;color:var(--text-primary);letter-spacing:-.01em}.sidebar-section{border-bottom:1px solid var(--border-subtle);padding:14px 0}.sidebar-section:last-child{border-bottom:none}.sidebar-section h3{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary);margin:0 0 10px;cursor:pointer;-webkit-user-select:none;user-select:none}.sidebar-section h3:before{content:"▼ ";display:inline-block;transition:transform .15s ease;color:var(--text-tertiary)}.sidebar-section.collapsed h3:before{transform:rotate(-90deg)}.sidebar-section.collapsed>*:not(h3){display:none}.sidebar-section label{display:flex;align-items:center;gap:8px;padding:4px 0;cursor:pointer}.sidebar-section select,.sidebar-section input[type=number],.sidebar-section input[type=text]{width:100%;background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border-medium);border-radius:0;padding:6px 8px;font-size:13px;font-family:inherit;transition:border-color .15s ease}.sidebar-section select:focus,.sidebar-section input:focus{outline:none;border-color:var(--border-focus)}.sidebar-section .placeholder{color:var(--text-tertiary);font-style:italic;font-size:12px;padding:8px 0}.canvas-container{position:absolute;top:0;left:0;bottom:0}@keyframes section-flash{0%{box-shadow:0 0 #f0c83200}3%{box-shadow:0 0 0 4px #f0c832d9}to{box-shadow:0 0 #f0c83200}}.section-card-flash{animation:section-flash 3s ease-out}.bottom-left-controls{position:absolute;left:16px;bottom:16px;z-index:6;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.bottom-left-row{display:flex;gap:8px}.blc-group{display:flex;gap:0}.blc-btn{width:5vh;height:5vh;padding:0;display:flex;align-items:center;justify-content:center;background:#fff;color:#999;border:none;border-radius:0;cursor:pointer;box-shadow:0 1px 3px #0000001f;font-size:2.25vh}.blc-btn svg{width:45%;height:45%}.blc-btn:hover:not(:disabled):not(.active):not(.open){color:#1a1a1a;box-shadow:0 1px 3px #0000001f,inset 0 0 0 2px #1a1a1a}.blc-btn.active{background:#1a1a1a;color:#fff;box-shadow:0 1px 3px #0000001f,inset 0 0 0 2px #fff}.blc-btn.open{color:#1a1a1a}.blc-btn:disabled{opacity:.5;cursor:not-allowed}.popout-panel{position:absolute;bottom:calc(5vh + 12px);left:0;width:280px;background:#fff;box-shadow:0 4px 12px #0000001f;padding:14px 16px;border-radius:0;transform-origin:bottom left;opacity:0;transform:translateY(28px) scale(.92);visibility:hidden;pointer-events:none;transition:opacity .12s ease .1s,transform .22s cubic-bezier(.4,0,.2,1),visibility 0s linear .22s}.popout-panel.open{opacity:1;transform:translateY(0) scale(1);visibility:visible;pointer-events:auto;transition:opacity .12s ease,transform .22s cubic-bezier(.4,0,.2,1),visibility 0s}.popout-panel:after{content:"";position:absolute;top:100%;left:0;width:5vh;height:13px;background:#fff}.popout-title{font-size:10px;font-weight:600;color:#999;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}.sidebar-frame{position:absolute;top:0;right:0;bottom:0;background:var(--bg-panel);box-shadow:var(--shadow-panel);z-index:5}.sidebar-scroll{position:absolute;top:0;right:0;bottom:0;left:0;overflow-y:auto;padding:16px 20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:13px;color:var(--text-primary);background:#f0f0f0}.folder-tabs{position:absolute;left:-40px;top:16px;width:40px;display:flex;flex-direction:column;gap:0;overflow:hidden;z-index:6}.folder-tab{width:40px;height:100px;padding:10px 0;border:none;border-radius:0;background:#efefef;color:#999;font-family:inherit;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;cursor:pointer;box-shadow:0 3px 4px -1px #0000002e;writing-mode:vertical-rl;transform:rotate(180deg);position:relative;left:6px;transition:background .25s ease,color .25s ease,left .25s ease}.folder-tab+.folder-tab{margin-top:-1px}.folder-tab:hover{color:#1a1a1a}.folder-tab.active{background:var(--bg-panel)!important;color:#1a1a1a;left:0}@keyframes tab-content-fade{0%{opacity:0;transform:translate(6px)}to{opacity:1;transform:translate(0)}}.sidebar-scroll.tab-anim{animation:tab-content-fade .22s ease}.price-ticker{position:absolute;top:16px;right:72px;z-index:6;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:4.5vh;font-weight:700;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.45);-webkit-user-select:none;user-select:none}.price-ticker-value{display:inline-block;animation:price-pop .25s cubic-bezier(.4,0,.2,1)}.ui-reveal{animation:ui-reveal .22s cubic-bezier(.4,0,.2,1)}@keyframes ui-reveal{0%{transform:translateY(5px) scale(.98);opacity:.5}to{transform:translateY(0) scale(1);opacity:1}}.ui-expand{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s cubic-bezier(.4,0,.2,1)}.ui-expand.open{grid-template-rows:1fr}.ui-expand-inner{overflow:hidden;min-height:0}.ui-expand:not(.open) .ui-expand-inner{visibility:hidden;transition:visibility 0s .25s}.brand-title{position:absolute;top:16px;left:16px;z-index:6;display:flex;align-items:center;gap:1.4vh;color:#fff;font-family:Arial Narrow,Helvetica Neue,-apple-system,Segoe UI,Roboto,sans-serif;text-shadow:0 1px 3px rgba(0,0,0,.45);pointer-events:none;-webkit-user-select:none;user-select:none}.brand-title-text{display:flex;flex-direction:column;gap:.5vh}.brand-title-sub{font-size:1.6vh;font-weight:600;letter-spacing:.08em;line-height:1}.brand-title-main{font-size:2vh;font-weight:700;letter-spacing:.06em;line-height:1}.brand-title-rule{width:1px;align-self:stretch;background:#fff;box-shadow:0 1px 3px #00000073}.brand-logo{height:2.2vh;aspect-ratio:3271 / 725;background:#fff;-webkit-mask-image:url(/stride-logo.png);-webkit-mask-size:contain;-webkit-mask-position:left center;-webkit-mask-repeat:no-repeat;mask-image:url(/stride-logo.png);mask-mode:luminance;mask-size:contain;mask-position:left center;mask-repeat:no-repeat;filter:drop-shadow(0 1px 3px rgba(0,0,0,.45))}@keyframes price-pop{0%{transform:scale(1.12)}to{transform:scale(1)}}