.book-reader-page{background-color:var(--theme-bg-primary,#f5f5f5);min-height:calc(100vh - 64px);padding:40px 20px;transition:background-color .3s}.book-reader-header{text-align:center;margin-bottom:40px}.page-title{color:var(--theme-text-primary,#333);margin:0 0 10px;font-size:32px;font-weight:700;transition:color .3s}.page-subtitle{color:var(--theme-text-secondary,#666);margin:0;font-size:16px;transition:color .3s}.book-reader-content{flex-direction:column;gap:30px;max-width:1200px;margin:0 auto;display:flex}.upload-section{background-color:var(--theme-card-bg,#fff);border-radius:16px;padding:30px;transition:background-color .3s,box-shadow .3s;box-shadow:0 4px 12px #0000001a}.upload-area{margin-bottom:20px}.file-input{display:none}.upload-label{border:2px dashed var(--theme-border,#ddd);cursor:pointer;background-color:var(--theme-bg-secondary,#fafafa);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;padding:60px 20px;transition:all .3s;display:flex}.upload-label:hover{border-color:var(--theme-accent,#007aff);background-color:var(--theme-bg-tertiary,#f0f0f0)}.upload-icon{margin-bottom:16px;font-size:48px}.upload-text{color:var(--theme-text-primary,#333);margin-bottom:8px;font-size:18px;font-weight:500;transition:color .3s}.upload-hint{color:var(--theme-text-secondary,#999);font-size:14px;transition:color .3s}.images-list{flex-direction:column;gap:20px;margin:20px 0;display:flex}.image-item{border:1px solid var(--theme-border,#ddd);background-color:var(--theme-bg-secondary,#fafafa);border-radius:12px;padding:20px}.image-item-header{border-bottom:1px solid var(--theme-border,#eee);justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:10px;display:flex}.image-item-title{color:var(--theme-text-primary,#333);font-size:16px;font-weight:600}.remove-image-btn{color:#fff;cursor:pointer;background-color:#ff4d4f;border:none;border-radius:6px;padding:6px 12px;font-size:18px;line-height:1;transition:all .2s}.remove-image-btn:hover{background-color:#ff7875;transform:scale(1.1)}.image-preview{text-align:center;margin:15px 0}.preview-image{border-radius:8px;max-width:100%;max-height:500px;box-shadow:0 2px 8px #0000001a}.image-actions{justify-content:center;margin-top:15px;display:flex}.image-extracted-text{background-color:var(--theme-card-bg,#fff);border:1px solid var(--theme-border,#eee);border-radius:8px;margin-top:15px;padding:15px}.text-label{color:var(--theme-text-secondary,#666);margin-bottom:8px;font-size:14px;font-weight:600}.text-content{color:var(--theme-text-primary,#333);white-space:pre-wrap;word-wrap:break-word;font-size:14px;line-height:1.6}.error-message{color:#ff4d4f;text-align:center;background-color:#fff1f0;border:1px solid #ffccc7;border-radius:8px;margin:20px 0;padding:12px 16px}.action-buttons{justify-content:center;gap:12px;margin-top:20px;display:flex}.action-btn{cursor:pointer;border:none;border-radius:8px;min-width:120px;padding:12px 24px;font-size:16px;font-weight:600;transition:all .3s}.primary-btn{color:#fff;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);box-shadow:0 4px 12px #667eea4d}.primary-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px #667eea66}.primary-btn:disabled{opacity:.6;cursor:not-allowed}.secondary-btn{background-color:var(--theme-bg-secondary,#f0f0f0);color:var(--theme-text-primary,#333);border:1px solid var(--theme-border,#ddd);transition:all .3s}.secondary-btn:hover:not(:disabled){background-color:var(--theme-bg-tertiary,#e0e0e0);transform:translateY(-2px)}.custom-text-section{border:1px solid var(--theme-border,#ddd);background-color:var(--theme-bg-secondary,#fafafa);border-radius:12px;margin:20px 0;padding:16px}.custom-text-header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;display:flex}.custom-text-title{color:var(--theme-text-primary,#333);font-size:16px;font-weight:600}.custom-textarea{border:1px solid var(--theme-border,#ddd);background-color:var(--theme-card-bg,#fff);width:100%;min-height:140px;color:var(--theme-text-primary,#333);resize:vertical;border-radius:8px;padding:12px;font-size:15px;line-height:1.7}.custom-textarea:focus{border-color:var(--theme-accent,#007aff);outline:none;box-shadow:0 0 0 2px #007aff26}.read-aloud-btn{min-width:160px}.text-action-controls{gap:10px;display:flex}.text-section{background-color:var(--theme-card-bg,#fff);border-radius:16px;padding:30px;transition:background-color .3s,box-shadow .3s;box-shadow:0 4px 12px #0000001a}.text-controls{border-bottom:1px solid var(--theme-border,#eee);justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:20px;display:flex}.font-size-controls{background-color:var(--theme-bg-secondary,#f5f5f5);border:1px solid var(--theme-border,#ddd);border-radius:8px;align-items:center;gap:8px;padding:6px 12px;display:flex}.font-size-btn{border:1px solid var(--theme-border,#ddd);background-color:var(--theme-card-bg,#fff);min-width:40px;color:var(--theme-text-primary,#333);cursor:pointer;border-radius:6px;padding:6px 12px;font-size:14px;font-weight:600;transition:all .2s}.font-size-btn:hover:not(:disabled){background-color:var(--theme-bg-tertiary,#e0e0e0);border-color:var(--theme-accent,#007aff);color:var(--theme-accent,#007aff)}.font-size-btn:disabled{opacity:.4;cursor:not-allowed}.font-size-display{color:var(--theme-text-secondary,#666);text-align:center;min-width:50px;font-size:14px;font-weight:500}.translation-toggle-btn{background-color:var(--theme-bg-secondary,#f5f5f5);border:1px solid var(--theme-border,#ddd);color:var(--theme-text-primary,#333);cursor:pointer;border-radius:8px;padding:8px 16px;font-size:14px;transition:all .3s}.translation-toggle-btn:hover{background-color:var(--theme-bg-tertiary,#e0e0e0);border-color:var(--theme-accent,#007aff);color:var(--theme-accent,#007aff)}.extracted-text-container{color:var(--theme-text-primary,#333);white-space:pre-wrap;word-wrap:break-word;background-color:var(--theme-bg-secondary,#fafafa);border-radius:8px;min-height:200px;padding:20px;line-height:1.8;transition:color .3s}@media (max-width:768px){.book-reader-page{padding:18px 10px}.book-reader-header{margin-bottom:22px}.page-title{font-size:26px}.page-subtitle{padding:0 6px;font-size:14px}.upload-section,.text-section{border-radius:12px;padding:16px}.upload-label{padding:36px 14px}.upload-text{text-align:center;font-size:16px}.upload-hint{text-align:center;font-size:13px}.image-item{padding:12px}.image-item-header{flex-direction:column;align-items:flex-start;gap:8px}.action-buttons{flex-direction:column;align-items:stretch;gap:10px}.action-btn{width:100%;min-width:0}.text-controls{flex-direction:column;align-items:stretch;gap:12px}.text-action-controls{flex-direction:column;width:100%}.font-size-controls{justify-content:center}.translation-toggle-btn{width:100%}.custom-text-header{flex-direction:column;align-items:stretch}.read-aloud-btn{width:100%}.extracted-text-container{min-height:140px;padding:14px}}@media (max-width:480px){.book-reader-page{padding:12px 8px}.page-title{font-size:22px}.upload-label{padding:28px 10px}.upload-icon{margin-bottom:10px;font-size:38px}.upload-text{font-size:14px}.upload-hint{font-size:12px}}