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.btn-update{background-color:#28a745;border-color:#28a745}#home-page .btn-update:hover{background-color:#218838;border-color:#1e7e34}.edit-mode .category-item{border-left:4px solid #28a745;background-color:#f8fff8}.edit-mode .file-item{background-color:#f0fff0}.remove-file{color:#ff6b6b;cursor:pointer;margin-left:1px;font-size:16px;width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%}.remove-file:hover{background-color:#ffebee}.category-name:focus{border-color:#28a745;box-shadow:0 0 0 2px rgba(40,167,69,.2)}.book-item.recently-opened{border-left-color:#2c5aa0;background-color:#f8fbff}.book-item.recently-opened:hover{background-color:#f0f7ff}.read-count-badge{display:inline-block;background-color:#2c5aa0;color:#fff;font-size:10px;padding:1px 5px;border-radius:10px;margin-left:1px;vertical-align:top}.delete-x{position:absolute;top:8px;right:8px;width:18px;height:18px;background-color:#ff6b6b;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px;font-weight:700;z-index:10;transition:all .2s}.delete-x:hover{background-color:#ff5252;transform:scale(1.1)}.book-item{position:relative}.book-info{padding-right:30px}.edit-icon{position:absolute;bottom:8px;right:8px;width:18px;height:18px;background-color:#28a745;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;transition:all .2s}.edit-icon:hover{background-color:#218838;transform:scale(1.1)}.edit-icon svg{color:#fff}.book-actions{display:none}#message-container{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:9999;max-width:80%;pointer-events:none}#message-container .message{padding:15px 20px;border-radius:8px;margin:0;font-size:14px;display:block;box-shadow:0 5px 15px rgba(0,0,0,.3);animation:messageFadeIn .3s ease-out,messageFadeOut .3s ease-in 2.7s;animation-fill-mode:forwards;text-align:center;min-width:200px;pointer-events:auto}#message-container .message.success{background-color:#d4edda;border:1px solid #c3e6cb;color:#155724}#message-container .message.error{background-color:#f8d7da;border:1px solid #f5c6cb;color:#721c24}#message-container .message.info{background-color:#d1ecf1;border:1px solid #bee5eb;color:#0c5460}@keyframes messageFadeIn{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes messageFadeOut{from{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-20px);visibility:hidden}}@media (max-width:768px){#message-container{max-width:90%}#message-container .message{padding:12px 16px;font-size:13px;min-width:180px}}#loading-main{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10000;background-color:#fff;border:1px solid #d0d0d0;border-radius:6px;padding:30px 40px;box-shadow:0 4px 20px rgba(0,0,0,.15);display:none;text-align:center;color:#9c9c9c}#loading-main .loading-spinner{width:30px;height:30px;border:3px solid #f3f3f3;border-top:3px solid #9c9c9c;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 10px}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}#loading-main p{margin:0;font-size:14px}#load-more-btn{background-color:#f8f9fa;border:1px solid #dee2e6;color:#6c757d;font-size:14px}#load-more-btn:hover{background-color:#e9ecef}.book-list{max-height:none}.action-buttons .btn{text-align:center;justify-content:center}#reading-records-modal{animation:modalSlideIn .3s ease-out}@keyframes modalSlideIn{from{opacity:0;transform:translate(-50%,-60%)}to{opacity:1;transform:translate(-50%,-50%)}}.read-count-badge{display:inline-block;background:#2c5aa0;color:#fff;font-size:10px;padding:1px 4px;border-radius:10px;margin-left:4px;vertical-align:top;min-width:16px;text-align:center;line-height:1.2}#reading-records-modal tbody{display:block;max-height:300px;overflow-y:auto}#reading-records-modal thead,#reading-records-modal tbody tr{display:table;width:100%;table-layout:fixed}.book-item span[title*="打开"]{cursor:pointer;transition:background-color .2s}.book-item span[title*="打开"]:hover{background-color:#d8e6ff !important}.new-file-btn{background:linear-gradient(135deg,#28a745,#20c997) !important;color:#fff !important;border:none !important;padding:6px !important;border-radius:4px !important;cursor:pointer !important;font-size:12px !important;font-weight:500 !important;transition:all .2s ease !important;box-shadow:0 2px 4px rgba(0,0,0,.1) !important}.new-file-btn:hover{background:linear-gradient(135deg,#218838,#1ba87e) !important;transform:translateY(-1px) !important;box-shadow:0 3px 6px rgba(0,0,0,.15) !important}.new-file-btn:active{transform:translateY(0) !important;box-shadow:0 1px 2px rgba(0,0,0,.1) !important}