:root{font-family:Inter,Segoe UI,Arial,sans-serif;color:#1f2937;background:#f3f5f9;font-synthesis:none}*{box-sizing:border-box}body{margin:0}.app{height:100vh;min-height:560px;display:flex;flex-direction:column}.topbar{min-height:68px;background:#fff;border-bottom:1px solid #e3e7ef;display:flex;align-items:center;justify-content:space-between;padding:10px 18px;gap:18px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;white-space:nowrap}.brand-icon,.welcome-icon{display:grid;place-items:center;background:#e94b4b;color:white;font-weight:800;border-radius:9px;width:34px;height:34px}.toolbar{display:flex;align-items:center;gap:7px;flex-wrap:wrap;justify-content:flex-end}.toolbar button,.toolbar select,.zoom-controls button,.section-heading button,.primary{border:1px solid #d8deea;background:white;color:#374151;border-radius:6px;padding:8px 11px;font-size:13px;cursor:pointer}.toolbar button:disabled,.toolbar select:disabled,.zoom-controls button:disabled,.section-heading button:disabled{opacity:.45;cursor:not-allowed}.primary{background:#2563eb!important;color:#fff!important;border-color:#2563eb!important}.layout{display:grid;grid-template-columns:220px minmax(400px,1fr) 270px;min-height:0;flex:1}.sidebar,.inspector{background:#fff;min-height:0;overflow:auto;padding:15px}.sidebar{border-right:1px solid #e3e7ef}.inspector{border-left:1px solid #e3e7ef}.section-heading{display:flex;align-items:center;justify-content:space-between;font-weight:700;font-size:14px;margin-bottom:14px}.section-heading button{font-size:18px;padding:2px 9px}.slides-list{display:flex;flex-direction:column;gap:14px}.slide-card{padding:7px;border:1px solid transparent;border-radius:8px;cursor:pointer}.slide-card.active{border-color:#2563eb;background:#eff6ff}.thumb{aspect-ratio:16/9;background:#fff;border:1px solid #e5e7eb;overflow:hidden;display:grid;place-items:center}.thumb img{width:100%;height:100%;object-fit:contain}.slide-caption{font-size:12px;color:#6b7280;margin-top:6px}.workarea{min-width:0;display:flex;flex-direction:column;background:#e9edf4}.canvas-toolbar{height:46px;background:#fff;border-bottom:1px solid #e3e7ef;display:flex;align-items:center;justify-content:space-between;padding:0 15px;font-size:12px;color:#6b7280;gap:10px}.zoom-controls{display:flex;align-items:center;gap:8px}.zoom-controls button{padding:3px 10px;font-size:17px}.canvas-scroll{flex:1;min-height:0;overflow:auto;padding:32px;display:flex;align-items:flex-start;justify-content:center}.slide-canvas{position:relative;flex:none;width:960px;height:540px;background:white;box-shadow:0 8px 28px #26334d25;overflow:hidden;transform-origin:top center}.welcome{height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;color:#6b7280;text-align:center;padding:20px}.welcome h2{font-size:21px;color:#1f2937;margin:18px 0 5px}.welcome p{font-size:14px}.welcome-icon{width:48px;height:48px;font-size:24px}.status{min-height:29px;padding:7px 12px;font-size:12px;background:#fff;border-top:1px solid #e3e7ef;color:#6b7280}.slide-element{position:absolute;overflow:hidden;white-space:pre-wrap;overflow-wrap:anywhere;cursor:default;box-sizing:border-box}.slide-element.text-element{cursor:text}.slide-element.selected{outline:2px solid #2563eb;outline-offset:0}.prop-group{margin:0 0 16px; color:#000}.prop-group label{display:block;font-size:12px;color:#6b7280;margin-bottom:6px}.prop-group input,.prop-group textarea,.prop-group select{width:100%;border:1px solid #d8deea;border-radius:6px;padding:8px;font:inherit;font-size:13px;background:white}.prop-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.check-row{display:flex;gap:14px;font-size:13px;margin-bottom:14px;color:#000}.empty{font-size:12px;line-height:1.5;color:#9ca3af;padding:8px 0}.status.error{color:#b91c1c}@media(max-width:1000px){.topbar{align-items:flex-start;flex-direction:column}.layout{grid-template-columns:170px minmax(350px,1fr)}.inspector{display:none}}
.inline-text-editor{font-family:inherit;line-height:1.2;box-shadow:0 2px 10px #1e293b22;}
.slide-element.hit-area{touch-action:none;}
#page-spinner {	position: fixed;top: 50px;z-index: 1000;width: 100%;height: 100%;background: rgba(255, 255, 255, 0.6);}
#page-spinner #htmlloader {	display: block;	margin: 80px auto;}
#page-spinner #loader {border: 16px solid #f3f3f3;border-top: 16px solid #449d44;border-radius: 50%;width: 120px;height: 120px;animation: spin 2s linear infinite;left: 50%;top: 50%;margin: 150px auto;}