:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:#0f172a;color:#e5e7eb}body{display:flex;justify-content:center;background-color:#0f172a;margin:0}@font-face{font-family:Arial;src:url(/fonts/Arial-regular.ttf) format("truetype");font-weight:400;font-style:normal}@font-face{font-family:Arial;src:url(/fonts/Arial-bold.ttf) format("truetype");font-weight:700;font-style:normal}@font-face{font-family:Roboto;src:url(/fonts/roboto-regular.ttf) format("truetype");font-weight:400;font-style:normal}@font-face{font-family:Roboto;src:url(/fonts/roboto-bold.ttf) format("truetype");font-weight:700;font-style:normal}.app-root{min-height:100vh;display:flex;flex-direction:column}.app-header{width:100%;max-width:1100px;margin:0 auto;padding:16px 24px;border-bottom:1px solid #1f2937;display:flex;flex-direction:column;gap:4px}.app-header h1{margin:0;font-size:32px;text-align:center}.app-subtitle{font-size:14px;color:#9ca3af;text-align:center}.app-main{width:100%;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:380px minmax(0,1fr);gap:24px;padding:24px;box-sizing:border-box}.left-panel{display:flex;flex-direction:column;gap:12px}.right-panel{display:flex;flex-direction:column}.card,.preview-card{background:#111827;border-radius:12px;border:1px solid #1f2937;padding:12px 14px}.card-header,.preview-header{margin-bottom:8px}.card-header h2,.preview-header h2{margin:0;font-size:18px}.card-body,.preview-body{display:flex;flex-direction:column;gap:8px}.field{display:flex;flex-direction:column;gap:4px;font-size:13px}.field span{color:#9ca3af}.field input,.field select{padding:6px 8px;border-radius:6px;border:1px solid #374151;background:#020617;color:#e5e7eb;font-size:13px}.field input[type=color]{padding:0;height:32px}.field input[type=range]{padding:0}.hint,.video-info{font-size:12px;color:#9ca3af}.render-controls{display:flex;align-items:center;gap:8px;margin-top:8px}.btn{padding:8px 14px;border-radius:8px;border:none;font-size:13px;cursor:pointer}.btn.primary{background:#2563eb;color:#fff}.btn.primary:disabled{opacity:.4;cursor:not-allowed}.status-text{font-size:12px;color:#fff;text-decoration:underline}.preview-video-wrapper{display:flex;justify-content:center}.video-container{position:relative;width:min(650px,90vw);height:calc(100vh - 180px);aspect-ratio:9 / 16;border-radius:12px;overflow:hidden;background:#020617;margin:0 auto}.preview-video{width:100%;height:100%;object-fit:cover}.promo-overlay{pointer-events:auto;cursor:grab}.promo-overlay.dragging{cursor:grabbing}.position-controls{margin-top:10px}.position-controls span{display:block;margin-bottom:4px;font-size:13px;color:#9ca3af}.grid-positions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.grid-positions button{padding:6px 4px;border-radius:6px;border:1px solid #374151;background:#020617;color:#e5e7eb;font-size:11px;cursor:pointer}.grid-positions button:hover{border-color:#4b5563}