*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:#fffffff2;padding:2rem;text-align:center;box-shadow:0 2px 10px #0000001a}.app-header h1{color:#333;margin-bottom:.5rem;font-size:2.5rem}.app-description{color:#666;font-size:1.1rem}.app-main{flex:1;padding:2rem;max-width:1400px;width:100%;margin:0 auto}.image-uploader{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 20px #0000001a;max-width:600px;margin:0 auto}.image-uploader h2{color:#333;margin-bottom:1.5rem;text-align:center}.upload-area{border:3px dashed #ccc;border-radius:12px;padding:3rem 2rem;text-align:center;cursor:pointer;transition:all .3s 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#667eea66}.generate-button:disabled{opacity:.6;cursor:not-allowed}.loading-spinner{text-align:center;padding:4rem 2rem;background:#fff;border-radius:12px;box-shadow:0 4px 20px #0000001a;max-width:500px;margin:0 auto}.spinner{width:60px;height:60px;margin:0 auto 2rem;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-spinner p{color:#666;font-size:1.1rem}.error-message{background:#fee;border:1px solid #fcc;border-radius:8px;padding:1rem;margin-top:1rem;color:#c33;text-align:center}.error-container{max-width:600px;margin:0 auto;background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 20px #0000001a;text-align:center}.error-container h3{color:#c33;margin-bottom:1rem}.retry-button{margin-top:1.5rem;padding:.75rem 2rem;font-size:1rem;color:#fff;background:#667eea;border:none;border-radius:8px;cursor:pointer;transition:all .3s ease}.retry-button:hover{background:#764ba2;transform:translateY(-2px)}.storyboard-display{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 20px #0000001a}.storyboard-header{text-align:center;margin-bottom:2rem}.storyboard-header h2{color:#333;margin-bottom:.5rem}.product-name{color:#667eea;font-size:1.2rem;font-weight:700}.original-image-section{text-align:center;margin-bottom:3rem;padding:1.5rem;background:#f9f9f9;border-radius:12px}.original-image-section h3{color:#333;margin-bottom:1rem}.original-image{max-width:400px;max-height:300px;border-radius:8px;box-shadow:0 2px 10px #0000001a}.frames-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(450px,1fr));gap:2rem;margin-bottom:2rem}.frame-card{background:#fff;border:2px solid #e0e0e0;border-radius:12px;padding:1.5rem;transition:all .3s ease}.frame-card:hover{transform:translateY(-4px);box-shadow:0 6px 20px #667eea33;border-color:#667eea}.frame-header{margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:2px solid #f0f0f0}.frame-number{display:inline-block;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:.3rem .8rem;border-radius:20px;font-size:.9rem;font-weight:700;margin-bottom:.5rem}.frame-title{color:#333;font-size:1.5rem;margin-top:.5rem}.frame-content{display:flex;flex-direction:column;gap:1.2rem}.frame-section h4{color:#667eea;font-size:1rem;margin-bottom:.5rem;display:flex;align-items:center;gap:.5rem}.frame-section p{color:#555;line-height:1.6;padding-left:1.8rem}.dialogue{font-style:italic;color:#764ba2;font-weight:500}.transition{color:#888;font-size:.95rem}.reset-button{display:block;width:100%;max-width:300px;margin:2rem auto 0;padding:1rem 2rem;font-size:1.1rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;cursor:pointer;transition:all .3s ease}.reset-button:hover{transform:translateY(-2px);box-shadow:0 4px 15px #667eea66}.app-footer{background:#fffffff2;padding:1rem;text-align:center;color:#666;box-shadow:0 -2px 10px #0000001a}@media (max-width: 768px){.app-header h1{font-size:1.8rem}.app-description{font-size:1rem}.app-main{padding:1rem}.frames-grid{grid-template-columns:1fr;gap:1.5rem}.original-image{max-width:100%}.frame-card{padding:1rem}}.frame-image-section{margin:1.5rem 0;padding:1rem;background:#f9f9f9;border-radius:8px}.generated-frame-image{width:100%;max-height:400px;object-fit:contain;border-radius:8px;box-shadow:0 2px 10px #0000001a;margin-bottom:1rem}.download-image-button{width:100%;padding:.75rem 1rem;font-size:.95rem;font-weight:700;color:#fff;background:#667eea;border:none;border-radius:6px;cursor:pointer;transition:all .3s ease}.download-image-button:hover{background:#764ba2;transform:translateY(-1px)}.generate-image-button{width:100%;padding:1rem;margin-bottom:1.5rem;font-size:1rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:.5rem}.generate-image-button:hover{transform:translateY(-2px);box-shadow:0 4px 15px #667eea66}.image-generating{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;margin-bottom:1.5rem;background:#f9f9f9;border-radius:8px;gap:1rem}.mini-spinner{width:40px;height:40px;border:3px solid #f3f3f3;border-top:3px solid #667eea;border-radius:50%;animation:spin 1s linear infinite}.image-generating p{color:#666;font-size:.95rem;margin:0}.image-error{padding:1rem;margin-bottom:1.5rem;background:#fee;border:1px solid #fcc;border-radius:8px;text-align:center}.image-error p{color:#c33;margin-bottom:.75rem;font-size:.9rem}.retry-image-button{padding:.5rem 1.5rem;font-size:.9rem;font-weight:700;color:#fff;background:#667eea;border:none;border-radius:6px;cursor:pointer;transition:all .3s ease}.retry-image-button:hover{background:#764ba2}.grid-generation-section{margin:3rem 0;padding:2rem;background:linear-gradient(135deg,#f9f9f9,#fff);border-radius:12px;border:2px solid #e0e0e0;text-align:center}.grid-generation-section h3{color:#333;font-size:1.8rem;margin-bottom:.5rem}.grid-description{color:#666;font-size:1rem;margin-bottom:2rem}.generate-grid-button{width:100%;max-width:400px;padding:1.25rem 2rem;font-size:1.2rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:10px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #667eea4d}.generate-grid-button:hover{transform:translateY(-3px);box-shadow:0 6px 20px #667eea66}.grid-generating{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem 2rem;gap:1.5rem}.grid-generating p{color:#666;font-size:1.1rem;max-width:400px}.grid-error{padding:1.5rem;background:#fee;border:1px solid #fcc;border-radius:8px;margin-top:1rem}.grid-error p{color:#c33;margin-bottom:1rem;font-size:1rem}.grid-result{margin-top:2rem;display:flex;flex-direction:column;gap:1.5rem;align-items:center}.grid-image{width:100%;max-width:800px;border-radius:12px;box-shadow:0 8px 30px #00000026;border:1px solid #e0e0e0}.download-grid-button{padding:1rem 2.5rem;font-size:1.1rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:8px;cursor:pointer;transition:all .3s ease}.download-grid-button:hover{transform:translateY(-2px);box-shadow:0 4px 15px #667eea66}.frames-title{color:#333;font-size:1.5rem;margin-bottom:2rem;text-align:center;padding-top:2rem;border-top:2px solid #f0f0f0}