.app{min-height:100dvh;display:flex;flex-direction:column;padding:20px}.container{width:100%;max-width:600px;margin:0 auto;display:flex;flex-direction:column;flex:1}.header{text-align:center;margin-top:40px;margin-bottom:0;color:#fff}.upload-section{flex:1;display:flex;flex-direction:column;justify-content:center}.header h1{font-size:2.5rem;margin-bottom:10px;font-weight:700}.header p{font-size:1.1rem;opacity:.9}.logo{font-size:5rem;margin-block:40px;line-height:1}.dropzone{border:3px dashed #667eea;border-radius:20px;padding:60px 40px;text-align:center;cursor:pointer;transition:all .3s ease;background:#fff;box-shadow:0 20px 60px #0000004d}.dropzone:hover{border-color:#764ba2;background:#f8f9fa;transform:translateY(-2px)}.dropzone-content{pointer-events:none}.upload-icon{width:80px;height:80px;margin:0 auto 20px;color:#667eea}.dropzone-title{font-size:1.5rem;font-weight:600;color:#333;margin-bottom:8px}.dropzone-subtitle{font-size:1rem;color:#666}.error-message{margin-top:20px;padding:16px;background:#fee;border:1px solid #fcc;border-radius:8px;color:#c33;text-align:center}.epub-loaded{background:#fff;border-radius:20px;padding:40px;box-shadow:0 20px 60px #0000004d;text-align:center}.epub-loaded h2{color:#667eea;margin-bottom:20px}.file-name{font-size:1.2rem;font-weight:600;color:#333;margin-bottom:10px;word-break:break-all}.file-count{color:#666;margin-bottom:30px}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:16px 32px;font-size:1.1rem;font-weight:600;border-radius:12px;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #667eea66}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea99}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.results-section{background:#fff;border-radius:20px;padding:40px;box-shadow:0 20px 60px #0000004d}.book-info{display:flex;gap:24px;margin-bottom:32px;padding-bottom:32px;border-bottom:2px solid #f0f0f0}.cover-image{width:120px;height:auto;border-radius:8px;box-shadow:0 4px 12px #00000026;flex-shrink:0}.book-details{flex:1;min-width:0}.book-details h2{font-size:1.5rem;color:#333;margin-bottom:8px;line-height:1.3}.author{font-size:1.1rem;color:#667eea;margin-bottom:12px;font-style:italic}.filename{font-size:.9rem;color:#999;word-break:break-all}.watermark-results h3{color:#333;font-size:1.3rem;margin-bottom:20px}.no-watermarks{padding:32px;text-align:center;background:linear-gradient(135deg,#d4fc79,#96e6a1);border-radius:12px;margin-bottom:24px}.no-watermarks p{color:#2d5016;font-size:1.1rem;font-weight:600}.watermark-list{margin-bottom:24px}.scan-summary{color:#666;margin-bottom:16px;font-size:1rem}.watermark-item{display:flex;align-items:center;gap:12px;padding:16px;background:#f8f9fa;border-radius:8px;margin-bottom:12px;border:2px solid transparent;transition:all .2s ease}.watermark-item:hover{border-color:#667eea;background:#f0f4ff}.watermark-item input[type=checkbox]{width:20px;height:20px;cursor:pointer;accent-color:#667eea}.watermark-item label{flex:1;cursor:pointer;color:#333;font-size:1rem}.watermark-item .count{color:#666;font-weight:400}.btn-large{width:100%;padding:18px 32px;font-size:1.2rem;margin-top:8px}.btn-secondary{background:transparent;color:#667eea;border:2px solid #667eea;padding:12px 24px;font-size:1rem;font-weight:600;border-radius:12px;cursor:pointer;transition:all .3s ease;margin-top:16px}.btn-secondary:hover{background:#667eea;color:#fff}@media(max-width:640px){.header h1{font-size:2rem}.upload-section,.epub-loaded,.results-section{padding:30px 20px}.dropzone{padding:40px 20px}.upload-icon{width:60px;height:60px}.dropzone-title{font-size:1.2rem}.book-info{flex-direction:column;align-items:center;text-align:center}.cover-image{width:150px}.book-details h2{font-size:1.3rem}}*{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;color:#333}#root{min-height:100vh;display:flex;flex-direction:column}