:root{--sidebar-width: 360px;--color-bg: #ffffff;--color-text: #0A0A0A;--color-text-secondary: #4A5565;--color-border: #E5E7EB;--color-selected: #111827;--color-hover: rgba(0, 0, 0, .08);--color-indicator-border: #d1d5db;--radius-card: 16px;--radius-indicator: 999px;--font-heading: "Oswald", sans-serif;--font-body: "Inter", sans-serif}.app-layout{display:flex;height:100vh;overflow:hidden}.canvas-wrap{flex:1;min-width:0;position:relative}.canvas-wrap canvas{width:100%;height:100%;display:block}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--color-bg);border-left:1px solid var(--color-border);display:flex;flex-direction:column;overflow:hidden;font-family:var(--font-body)}.sidebar-header{padding:16px 24px;border-bottom:1px solid rgba(0,0,0,.08)}.sidebar-title{font-family:var(--font-heading);font-size:24px;font-weight:500;text-transform:uppercase;color:var(--color-text);margin:0}.sidebar-sections{flex:1;overflow-y:auto;padding:12px 16px}.accordion-toggle{width:100%;padding:4px 0 10px;border:none;background:transparent;display:flex;align-items:center;gap:8px;font-family:var(--font-body);font-size:16px;font-weight:500;color:var(--color-text);cursor:pointer}.accordion-icon{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;transform:rotate(180deg);transition:transform .25s ease}.accordion-toggle[aria-expanded=true] .accordion-icon{transform:rotate(0)}.accordion-body{max-height:0;overflow:hidden;opacity:0;padding-top:0;padding-bottom:0;margin-bottom:0;border-bottom:1px solid var(--color-border);transition:all ease .35s}.accordion-body.visible{max-height:1200px;padding-top:4px;padding-bottom:10px;margin-bottom:10px;opacity:1}.config-card{width:100%;padding:10px 12px;margin-bottom:8px;border-radius:var(--radius-card);border:1px solid transparent;background:var(--color-bg);display:flex;align-items:flex-start;gap:12px;font-family:var(--font-body);text-align:left;cursor:pointer;transition:background .2s,border-color .2s}.config-card:hover{background:var(--color-hover)}.config-card.is-selected{border-color:var(--color-selected)}.config-card-text{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.config-card-title-row{display:flex;justify-content:space-between;align-items:center;width:100%}.config-card-title{font-size:14px;font-weight:400;color:var(--color-text)}.config-card-subtitle{font-size:12px;font-weight:400;color:var(--color-text-secondary);line-height:1.4;margin-top:2px}.selection-indicator{width:24px;height:24px;border-radius:var(--radius-indicator);border:1px solid var(--color-indicator-border);background:var(--color-bg);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .2s,border-color .2s}.selection-indicator svg{opacity:0;transition:opacity .2s}.config-card.is-selected .selection-indicator{background:var(--color-selected);border-color:var(--color-selected)}.config-card.is-selected .selection-indicator svg{opacity:1}.config-card.is-included{cursor:default;border-color:var(--color-selected)}.config-card.is-included:hover{background:var(--color-bg)}.sidebar-customize-btn{display:none;padding:8px 24px 8px 10px;background:#000;color:#fff;border:none;border-radius:30px;font-family:var(--font-body);font-size:16px;font-weight:500;cursor:pointer;align-items:center;gap:8px;margin:12px 16px}@media (max-width: 960px){.app-layout{flex-direction:column}.canvas-wrap{flex:1;min-height:300px}.sidebar{width:100%;max-height:134px;border-left:none;border-top:1px solid var(--color-border);transition:max-height .35s ease}.sidebar.is-expanded{max-height:100vh}.sidebar-customize-btn{display:flex}.sidebar-sections{max-height:0;opacity:0;overflow:hidden;pointer-events:none;transition:max-height .35s ease,opacity .3s ease}.sidebar.is-expanded .sidebar-sections{max-height:2000px;opacity:1;pointer-events:auto}.sidebar-header{display:none}.sidebar.is-expanded .sidebar-header{display:block}.config-card:hover{background:var(--color-bg)}}.canvas-wrap.pseudo-fullscreen{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;width:100vw;height:100vh}.canvas-wrap.pseudo-fullscreen~.sidebar{display:none}.canvas-wrap:fullscreen{width:100vw;height:100vh}.canvas-overlay{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:10;font-family:Inter,sans-serif}.logo-wrap{position:absolute;top:24px;left:24px;display:flex;align-items:center;gap:12px;padding:10px 15px 10px 10px;border-radius:200px;background:#fff;text-decoration:none;pointer-events:auto}.logo-icon{display:block}.logo-text-white{display:none}[data-theme=dark] .logo-wrap{background:#191b1f}[data-theme=dark] .logo-text-white{display:block}[data-theme=dark] .logo-text-black{display:none}.theme-toggle{position:absolute;top:24px;right:24px;display:flex;gap:12px;pointer-events:auto}.theme-toggle-btn{width:48px;height:48px;border-radius:999px;border:none;display:flex;align-items:center;justify-content:center;background:#fff;box-shadow:0 2px 10px #0000001f;cursor:pointer;transition:background .18s ease,box-shadow .18s ease}[data-theme=dark] .theme-toggle-btn{background:#374151;box-shadow:0 2px 10px #0000004d}[data-theme=dark] .theme-toggle-btn:not(.inactive){background:#fff}[data-theme=dark] .theme-toggle-btn:not(.inactive) svg path{fill:#000}.theme-toggle-btn.inactive{opacity:.5}.controls-hint{position:absolute;left:12px;bottom:calc(20px + env(safe-area-inset-bottom,0px));font-size:12px;opacity:.75;background:#ffffffbf;border:1px solid rgba(0,0,0,.12);border-radius:25px;padding:8px 10px;-webkit-user-select:none;user-select:none;pointer-events:none;color:#374151}.bottom-bar{position:absolute;left:0;right:0;bottom:calc(20px + env(safe-area-inset-bottom,0px));display:flex;align-items:center;justify-content:flex-end;gap:12px;padding:0 16px;pointer-events:none}.view-controls{display:flex;align-items:center;gap:10px;pointer-events:auto}.fit-center-btn{height:48px;border:none;border-radius:999px;padding:8px 20px;background:#fff;color:#111827;font-family:Inter,sans-serif;font-size:13px;font-weight:500;cursor:pointer;box-shadow:0 2px 10px #00000029;transition:background .15s ease,color .15s ease,box-shadow .15s ease;display:flex;align-items:center;gap:8px}.fit-center-btn:hover{background:#f3f4f6;box-shadow:0 4px 14px #0003}.fit-center-btn svg{display:none}[data-theme=dark] .fit-center-btn{background:#374151;color:#fff;box-shadow:0 2px 12px #0006}[data-theme=dark] .fit-center-btn:hover{background:#4b5563;color:#fff}[data-theme=dark] .fit-center-btn svg path{fill:#fff}[data-theme=dark] .fit-center-btn svg circle{fill:#fff;stroke:#374151}.zoom-control{display:flex;align-items:center;justify-content:center;gap:0;background:#fff;border-radius:999px;padding:7px 4px;box-shadow:0 2px 12px #0000001f;border:none}.zoom-control .zoom-btn{width:34px;height:34px;border:none;border-radius:999px;background:transparent;color:#374151;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s ease,color .15s ease}.zoom-control .zoom-btn:hover{background:#0000000f;color:#111827}.zoom-label{min-width:44px;text-align:center;font-size:13px;font-weight:500;color:#374151;padding:0 4px}[data-theme=dark] .zoom-control{background:#374151;box-shadow:0 2px 12px #0006}[data-theme=dark] .zoom-control .zoom-btn{color:#e5e7eb}[data-theme=dark] .zoom-control .zoom-btn svg path{stroke:#e5e7eb}[data-theme=dark] .zoom-control .zoom-btn:hover{background:#ffffff1a;color:#fff}[data-theme=dark] .zoom-label{color:#e5e7eb}.fullscreen-btn{width:48px;height:48px;border:none;border-radius:999px;background:#fff;color:#374151;box-shadow:0 2px 12px #0000001f;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s ease,color .15s ease,box-shadow .15s ease}.fullscreen-btn:hover{background:#f9fafb;color:#111827;box-shadow:0 4px 14px #00000026}[data-theme=dark] .fullscreen-btn{background:#374151;color:#fff;box-shadow:0 2px 12px #0006}[data-theme=dark] .fullscreen-btn svg path{fill:#fff}[data-theme=dark] .fullscreen-btn:hover{background:#4b5563;color:#fff}@media (max-width: 1200px){.bottom-bar{align-items:flex-end}.view-controls{flex-direction:column-reverse;align-items:flex-end}}@media (max-width: 960px){.controls-hint{display:none}.logo-text{display:none!important}.fit-center-btn{padding:8px 14px}.fit-center-btn span{display:none}.fit-center-btn svg{display:block}}@media (max-width: 740px){.zoom-control{display:none}.bottom-bar{bottom:12px;padding:0 12px}.logo-wrap{top:12px;left:12px}.theme-toggle{top:12px;right:12px}}*{margin:0;padding:0;box-sizing:border-box}