:root{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:#111827;background:#fff;--panel-header-height: 68px;--app-bg: #ffffff;--app-surface: #f7f7f8;--app-surface-soft: #efeff1;--app-surface-muted: #efeff1;--app-border: #e5e7eb;--app-border-soft: #ececf0;--app-text: #111827;--app-text-muted: #6b7280;--app-text-soft: #6b7280;--chip-bg: #efeff1;--chip-text: #111827;--chip-hover: #e5e7eb;--message-user-bg: #e6ebff;--message-user-border: #c8d4ff;--message-assistant-bg: #f7f7f8;--message-assistant-border: #e5e7eb;--message-list-bg: #ffffff;--sidebar-bg: #f7f7f8;--panel-bg: #f7f7f8;--menu-popover-bg: #ffffff;--menu-popover-border: #e5e7eb;--scad-code-bg: #111827;--scad-code-text: #ececec;--scad-status-bg: rgba(247, 247, 248, .9);--color-primary: #0026df;--color-primary-hover: #0521ab;--color-accent: #3254f9;--accent: var(--color-accent);--accent-strong: var(--color-primary-hover);--accent-soft: #e6ebff;--accent-soft-strong: #c8d4ff;--accent-contrast: #ffffff;--accent-ring: rgba(50, 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var(--app-border);display:flex;align-items:center;background:var(--app-surface)}.screen-header{min-height:var(--panel-header-height);padding:0 18px;border-bottom:1px solid var(--app-border);background:var(--app-surface);display:flex;flex-direction:column;justify-content:center}.screen-header--explore{min-height:var(--panel-header-height);padding:0 18px;flex-direction:row;align-items:center;justify-content:space-between;gap:12px}.explore-search-input{flex:1 1 auto;width:auto;max-width:360px;min-width:0;height:36px;border-radius:8px;border:1px solid var(--app-border);background:var(--app-surface);color:var(--app-text);padding:0 12px}.explore-search-input::placeholder{color:var(--app-text-soft)}.scad-header-top{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px}.scad-header-actions{display:inline-flex;align-items:center}.scad-header h3,.scad-header h2{margin:0}.scad-header small{color:var(--app-text-muted);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.scad-content{flex:1;min-height:0;overflow:hidden;padding:0;display:flex;flex-direction:column;gap:0}.scad-preview-wrap{position:relative;flex:1;min-height:0;background:var(--app-surface);padding:0;overflow:hidden}.scad-content--with-params .scad-preview-wrap,.scad-content--with-code .scad-preview-wrap{min-height:220px}.scad-preview-canvas{width:100%;height:100%;border-radius:6px;overflow:hidden;background:var(--app-surface)}.scad-axis-viewer{position:absolute;left:0;bottom:0;width:100px;height:100px;z-index:20;background:transparent;display:block}.scad-preview-status{position:absolute;top:0;right:0;bottom:0;left:0;z-index:21;display:grid;place-items:center;background:#0f172a14;-webkit-backdrop-filter:blur(1.5px);backdrop-filter:blur(1.5px)}.scad-preview-error{position:absolute;left:16px;bottom:14px;z-index:22;font-size:12px;color:#b91c1c;background:#fee2e2f2;border-radius:6px;padding:8px 10px;display:inline-flex;align-items:center;gap:8px;max-width:calc(100% - 32px);border:1px solid rgba(248,113,113,.38)}.scad-preview-error>span{overflow-wrap:anywhere}.scad-code-wrap{background:var(--scad-code-bg);color:var(--scad-code-text);padding:0;max-height:38%;overflow:auto}.scad-code-editor{display:grid;grid-template-columns:auto minmax(0,1fr);min-width:max-content;width:100%;font-size:12px;line-height:1.45;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.scad-code-gutter{background:#0f172a57;border-right:1px solid rgba(148,163,184,.24);color:#94a3b8;text-align:right;-webkit-user-select:none;user-select:none}.scad-code-gutter-line{min-height:18px;padding:0 10px 0 12px}.scad-code-pre{margin:0;padding:0 12px;min-width:100%}.scad-code-line{min-height:18px;white-space:pre;color:var(--scad-code-text);-moz-tab-size:2;tab-size:2}.scad-params-wrap{display:flex;flex-direction:column;max-height:40%;overflow:hidden;background:var(--app-surface);border-top:1px solid var(--app-border)}.scad-params-header{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding:12px 14px 8px}.scad-params-header h3{margin:0;font-size:14px;font-weight:700}.scad-params-header small{color:var(--app-text-muted);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.scad-params-empty{margin:0;padding:0 14px 12px;color:var(--app-text-muted);font-size:13px}.scad-params-grid{flex:1;overflow:auto;padding:0 14px 12px;display:grid;gap:10px;align-content:start}.scad-param-row{display:grid;gap:6px}.scad-param-row--boolean{display:flex;align-items:center;justify-content:space-between;gap:12px}.scad-param-label{font-size:12px;color:var(--app-text-muted);text-transform:capitalize}.scad-param-range{display:grid;grid-template-columns:minmax(0,1fr) 96px;align-items:center;gap:10px}.scad-params-actions{display:flex;justify-content:flex-end;gap:8px;padding:10px 14px}.scad-params-error{margin:0;padding:0 14px 12px;color:#b91c1c;font-size:12px}@media (max-width: 1200px){.app-body{flex-direction:column}.app-nav,.app-nav.is-collapsed{width:100%;min-width:0;border-right:none;border-bottom:1px solid var(--app-border-soft);flex-direction:row;align-items:center}.app-nav-header{width:auto}.app-nav-title,.app-nav.is-collapsed .app-nav-title{display:none}.app-nav-list{flex:1;overflow:auto;display:grid;grid-template-columns:repeat(3,minmax(110px,1fr));gap:8px}.app-nav-divider{display:none}.content{grid-template-columns:1fr;grid-template-rows:minmax(160px,30vh) minmax(0,1fr)}.content--with-scad{grid-template-rows:minmax(150px,25vh) minmax(0,1fr) minmax(180px,34vh)}.explore-content--with-preview{height:auto;grid-template-columns:1fr;grid-template-rows:minmax(240px,1fr) minmax(220px,34vh)}.explore-preview{border-left:none;border-top:1px solid var(--app-border)}.profile-layout{grid-template-columns:1fr}.profile-form-row{flex-direction:column}.profile-form button{width:100%}.screen-header--explore{min-height:var(--panel-header-height);padding:0 12px;flex-direction:row;align-items:center;justify-content:space-between;gap:12px}.explore-search-input{flex:1 1 auto;width:auto;max-width:360px;min-width:0}.sidebar{border-right:none;border-bottom:1px solid var(--app-border)}.scad-panel{border-left:none;border-top:1px solid var(--app-border)}}@media (max-width: 640px){.app-shell,.centered,.login-shell{min-height:100dvh}.app-shell{height:100dvh}.content{grid-template-rows:minmax(132px,24vh) minmax(0,1fr)}.content--with-scad{grid-template-rows:minmax(132px,22vh) minmax(0,1fr) minmax(168px,34vh)}.message-header{padding:0 10px}.message-list{padding:10px;gap:10px}.message-input-shell{padding:6px}.message-textarea{min-height:64px;font-size:13px}.scad-header,.screen-header,.screen-header--explore{padding-left:10px;padding-right:10px}.explore-grid,.profile-layout{padding:10px}.explore-footer{padding:0 10px 10px}}