@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(360deg)}}*{padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:#f5f5f5;color:#333;height:100vh}body.app-body{overflow:hidden}.header{background-color:#fff;border-bottom:1px solid #e1e5e9;padding:0 20px;height:60px;z-index:1000}.header-content{display:flex;justify-content:space-between;align-items:center;height:100%}.logo{font-size:24px;font-weight:700;color:#1a73e8}.header-actions{display:flex;gap:10px}.article-filter label,.btn{font-size:14px;cursor:pointer}.btn{padding:8px 16px;border:0;border-radius:4px;font-weight:500;transition:background-color .2s ease}.btn-primary{background-color:#1a73e8;color:#fff}.btn-primary:hover,.subscription-panel .upgrade-btn:hover{background-color:#1765cc}.btn-secondary{background-color:#f8f9fa;color:#3c4043;border:1px solid #dadce0}.btn-secondary:hover{background-color:#f1f3f4}.main-container{display:flex;height:calc(100vh - 60px)}.feed-pane{width:300px;border-right:1px solid #e1e5e9}.article-pane,.content-pane,.feed-pane{background-color:#fff;overflow-y:auto}.article-pane{width:400px;border-right:1px solid #e1e5e9}.content-pane{flex:1}.pane-header{padding:20px;border-bottom:1px solid #e1e5e9;background-color:#f8f9fa}.pane-header h2{font-size:18px;font-weight:600;color:#3c4043}.article-filter{display:flex;gap:16px;margin-top:8px}.article-filter label{display:flex;align-items:center;gap:6px;color:#5f6368}*,.article-filter input[type=radio]{margin:0}.subscription-panel{padding:12px 20px;border-bottom:1px solid #f1f3f4;background-color:#f8f9fa;margin-bottom:10px}.subscription-panel.hidden{display:none}.subscription-info{display:flex;justify-content:space-between;align-items:center;font-size:13px}.subscription-info .status{font-weight:600}.subscription-info .details{color:#5f6368}.subscription-info.admin{color:#9c27b0}.subscription-info.pro{color:#34a853}.subscription-info.free{color:#2196f3}.subscription-info.expired,.subscription-info.trial{color:#ea4335}.subscription-panel .upgrade-btn{background-color:#1a73e8;color:#fff;border:0;padding:4px 8px;border-radius:3px;font-size:11px;cursor:pointer;font-weight:500}.feed-list{padding:10px 0}.feed-item{padding:12px 20px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;border-bottom:1px solid #f1f3f4;transition:background-color .2s ease}.feed-item:hover{background-color:#f8f9fa}.feed-item.active{background-color:#e8f0fe;border-left:3px solid #1a73e8}.feed-item.special{font-weight:600;color:#1a73e8}.feed-title{font-size:14px;flex:1}.unread-count{background-color:#1a73e8;color:#fff;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:600;min-width:20px;text-align:center}.unread-count:empty,.unread-count[data-count="0"]{display:none}.feed-actions{margin-left:8px;opacity:0;transition:opacity .2s ease}.feed-item:hover .feed-actions{opacity:1}.delete-feed{background:0 0;border:0;color:#ea4335;cursor:pointer;font-size:16px;padding:4px}.article-list{padding:10px 0}.article-item{padding:16px 20px;border-bottom:1px solid #f1f3f4;cursor:pointer;transition:background-color .2s ease}.article-item:hover{background-color:#f8f9fa}.article-item.active{background-color:#e8f0fe}.article-item.read{opacity:.7}.article-item.read .article-title{font-weight:400}.article-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}.article-title{font-size:15px;font-weight:600;color:#3c4043;line-height:1.4;margin-bottom:4px}.article-meta{font-size:12px;color:#5f6368;display:flex;align-items:center;gap:8px}.article-actions{display:flex;gap:4px;margin-left:8px}.action-btn{background:0 0;border:0;cursor:pointer;padding:4px;border-radius:2px;font-size:14px;color:#5f6368;transition:background-color .2s ease}.action-btn:hover{background-color:#f1f3f4}.action-btn.starred{color:#fbbc04}.article-description{font-size:13px;color:#5f6368;line-height:1.4;margin-top:4px}.article-content{padding:20px;line-height:1.6}.article-content h1{font-size:28px;font-weight:600;margin-bottom:16px;color:#202124}.article-content .meta{display:flex;align-items:center;gap:16px;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid #e1e5e9;font-size:14px;color:#5f6368}.article-content .content{font-size:16px;line-height:1.8;color:#3c4043}.article-content .content p{margin-bottom:16px}.article-content .content img{max-width:100%;height:auto;margin:16px 0}.article-content .content a{color:#1a73e8;text-decoration:none}.article-content .content a:hover{text-decoration:underline}.article-content .content ol,.article-content .content ul{margin:16px 0;padding-left:32px}.article-content .content li{margin-bottom:8px;line-height:1.6}.article-content .content ul{list-style-type:disc}.article-content .content ol{list-style-type:decimal}.article-content .content ol ol,.article-content .content ol ul,.article-content .content ul ol,.article-content .content ul ul{margin:8px 0;padding-left:24px}.article-content .content ul ul{list-style-type:circle}.article-content .content ul ul ul{list-style-type:square}.placeholder{text-align:center;padding:60px 20px;color:#5f6368}.placeholder p{margin-bottom:12px;font-size:16px}.modal{display:none;position:fixed;z-index:2000;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);overflow-y:auto;padding:20px 0}.modal-content{background-color:#fff;margin:0 auto;padding:30px;border-radius:8px;width:90%;max-width:500px;position:relative;max-height:calc(100vh - 40px);overflow-y:auto}.close{position:absolute;right:20px;top:20px;color:#aaa;font-size:28px;font-weight:700;cursor:pointer}.close:hover{color:#000}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:600;color:#3c4043}.form-group input{width:100%;padding:12px;border:1px solid #dadce0;border-radius:4px;font-size:14px}.form-group input:focus{outline:0;border-color:#1a73e8;box-shadow:0 0 0 2px rgba(26,115,232,.2)}.form-help{display:block;margin-top:4px;font-size:12px;color:#666;line-height:1.3}.form-actions{display:flex;gap:12px;justify-content:flex-end}.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:#5f6368;font-size:14px}.spinner{display:inline-block;width:20px;height:20px;border:2px solid #f3f3f3;border-top:2px solid #1a73e8;border-radius:50%;animation:spin 1s linear infinite;margin-right:10px}.article-item{will-change:transform}.feed-item{will-change:background-color}.article-content img{loading:lazy}.button-spinner-overlay{position:absolute!important;top:0!important;left:0!important;right:0!important;bottom:0!important;width:100%!important;height:100%!important;display:flex!important;align-items:center!important;justify-content:center!important;background-color:rgba(255,0,0,.8)!important;pointer-events:none!important;border-radius:4px!important;z-index:999!important}.button-spinner-overlay .spinner{width:20px!important;height:20px!important;border:3px solid #ccc!important;border-top:3px solid #fff!important;border-radius:50%!important;animation:spin 1s linear infinite!important;display:block!important}.form-group input:disabled{background-color:#f5f5f5;color:#999;cursor:not-allowed}.btn:disabled:not(.loading){background-color:#f5f5f5;color:#999;cursor:not-allowed;border:1px solid #ddd}.error,.success{padding:20px;background-color:#fce8e6;color:#d93025;border-radius:4px;margin:20px;font-size:14px}.success{background-color:#e6f4ea;color:#137333}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a1a1a1}#login-screen{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#f5f5f5;display:flex;align-items:center;justify-content:center;z-index:3000}.login-container{background-color:#fff;padding:60px 40px;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,.1);text-align:center;max-width:400px;width:90%}.login-container h1,.privacy-container h1{color:#1a73e8;margin-bottom:20px;font-size:32px;font-weight:300}.login-container p,.privacy-container p{color:#5f6368;margin-bottom:30px;font-size:16px;line-height:1.5}#google-login-btn,#logout-btn{background-color:#1a73e8;color:#fff;border:0;padding:12px 24px;border-radius:4px;font-size:16px;cursor:pointer;transition:background-color .2s}#google-login-btn:hover{background-color:#1557b0}.user-info{display:flex;align-items:center;gap:12px}.privacy-container h2,.user-name{font-weight:500;color:#3c4043}.user-avatar{border-radius:50%;border:2px solid #e1e5e9}#logout-btn{background-color:#f8f9fa;color:#5f6368;border:1px solid #dadce0;padding:8px 16px;font-size:14px}#logout-btn:hover{background-color:#e8eaed}.subscription-status{display:flex;flex-direction:column;align-items:flex-end;margin-right:12px;text-align:right}.status-badge{font-size:11px;font-weight:700;padding:2px 6px;border-radius:4px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px}.status-text{line-height:1.2}.subscription-status.admin .status-badge{background-color:#9c27b0;color:#fff}.subscription-status.pro .status-badge{background-color:#34a853;color:#fff}.subscription-status.free .status-badge{background-color:#2196f3;color:#fff}.subscription-status.trial .status-badge{background-color:#fbbc04;color:#202124}.subscription-status.expired .status-badge{background-color:#ea4335;color:#fff}.status-text,.subscription-status.loading{color:#5f6368;font-size:11px}.login-footer{margin-top:30px;padding-top:20px;border-top:1px solid #e1e5e9}.privacy-link{color:#1a73e8;text-decoration:none;font-size:14px;transition:color .2s}.privacy-link:hover{color:#1557b0;text-decoration:underline}.privacy-container{max-width:800px;margin:0 auto;padding:40px 20px;background-color:#fff;min-height:100vh}.privacy-content{margin-bottom:40px}.privacy-container h1{margin-bottom:30px;text-align:center}.privacy-container h2{margin:30px 0 15px;font-size:20px}.privacy-container p{margin-bottom:15px;line-height:1.6}.privacy-container ul{color:#5f6368;margin:15px 0 15px 30px;line-height:1.6}.privacy-container li{margin-bottom:8px}.privacy-actions{text-align:center;padding-top:20px;border-top:1px solid #e1e5e9}.help-content{margin-top:20px}.shortcut-section{margin-bottom:30px}.shortcut-section h3{color:#3c4043;font-size:16px;font-weight:600;margin-bottom:15px;border-bottom:1px solid #e1e5e9;padding-bottom:8px}.shortcut-item{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px solid #f1f3f4}.shortcut-item:last-child{border-bottom:none}.shortcut-item kbd{background-color:#f8f9fa;border:1px solid #dadce0;border-radius:4px;padding:4px 8px;font-family:"Monaco","Menlo","Ubuntu Mono",monospace;font-size:12px;color:#3c4043;font-weight:600;min-width:30px;text-align:center}.shortcut-item span{color:#5f6368;font-size:14px;flex:1;margin-left:15px}.help-item{margin:12px 0;line-height:1.5;font-size:14px;color:#5f6368}.help-item strong{color:#1a73e8;font-weight:600}