*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--orange: #ff6600;--orange-light: #ff8c33;--bg: #fafafa;--bg-card: #ffffff;--text: #1a1a1a;--text-secondary: #666666;--text-muted: #999999;--border: #e5e5e5;--border-light: #f0f0f0;--radius: 6px;--font: "Source Sans 3", system-ui, sans-serif}html{font-family:var(--font);font-size:16px;line-height:1.5;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh}a{color:var(--orange);text-decoration:none}a:hover{text-decoration:underline}button{font-family:var(--font);cursor:pointer}.app{max-width:1100px;margin:0 auto;display:flex;flex-direction:column;height:100vh;overflow:hidden}.app>.app-header{flex-shrink:0}.app>.app-main{flex:1;min-height:0;overflow:hidden}.narrow-scroll-container{height:100%;overflow-y:auto;-webkit-overflow-scrolling:touch}.app-wide{max-width:none;margin:0}.split-layout{display:flex;height:100%;overflow:hidden}.split-sidebar{width:380px;min-width:280px;max-width:420px;flex-shrink:0;border-right:1px solid var(--border);overflow-y:auto;background:var(--bg-card)}.split-detail{flex:1;min-width:0;overflow-y:auto;background:var(--bg)}.split-detail-empty{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-muted)}.split-detail-empty-inner{text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}.split-detail-empty-icon{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;background:var(--border-light);color:var(--text-muted);font-weight:900;font-size:1.6rem;border-radius:12px}.split-detail-empty-inner p{font-size:.9rem;color:var(--text-muted)}.app-header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--orange);color:#fff;z-index:100}.back-btn{display:flex;align-items:center;justify-content:center;color:#fff;margin-right:4px;padding:4px;-webkit-tap-highlight-color:transparent}.back-btn:hover{text-decoration:none}.app-logo-group{display:flex;align-items:center;gap:8px;position:relative}.logo-icon-link{display:flex;text-decoration:none;flex-shrink:0}.logo-icon-link:hover{text-decoration:none}.logo-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;background:#fff;color:var(--orange);font-weight:900;font-size:1rem;border-radius:4px}.logo-menu-trigger{display:flex;align-items:center;gap:5px;background:none;border:none;color:#fff;font-family:var(--font);font-size:.95rem;font-weight:700;padding:4px 6px;border-radius:4px;cursor:pointer;-webkit-tap-highlight-color:transparent}.logo-menu-trigger:hover{background:#ffffff26}.logo-text{color:#fff}.logo-separator{color:#ffffff80;font-weight:400}.logo-view-label{color:#ffffffe6;font-weight:500}.logo-chevron{opacity:.7;margin-left:1px;flex-shrink:0}.view-menu{position:absolute;top:calc(100% + 6px);left:0;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;box-shadow:0 4px 16px #0000001f;min-width:200px;padding:4px 0;z-index:200;animation:view-menu-in .12s ease}@keyframes view-menu-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.view-menu-item{display:flex;align-items:center;width:100%;padding:8px 12px;background:none;border:none;font-family:var(--font);font-size:.9rem;color:var(--text);cursor:pointer;text-align:left;gap:8px}.view-menu-item:hover{background:var(--border-light)}.view-menu-item-active{font-weight:600;color:var(--orange)}.view-menu-item-check{width:16px;font-size:.8rem;text-align:center;flex-shrink:0}.view-menu-divider{height:1px;background:var(--border-light);margin:4px 0}.signout-btn{display:inline-flex;align-items:center;justify-content:center;background:none;border:none;color:#ffffff80;cursor:pointer;padding:4px;margin-left:2px}.signout-btn:hover{color:#fff}.signin-btn{display:inline-flex;align-items:center;justify-content:center;background:none;border:none;color:#ffffff80;cursor:pointer;padding:4px;margin-left:2px}.signin-btn:hover{color:#fff}.login-gate{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg)}.login-card{text-align:center;padding:48px 40px;background:var(--bg-card);border-radius:12px;border:1px solid var(--border);box-shadow:0 2px 8px #0000000f;max-width:360px;width:100%;margin:0 16px}.login-logo{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;background:var(--orange);color:#fff;font-weight:900;font-size:1.8rem;border-radius:12px;margin-bottom:16px}.login-title{font-size:1.5rem;font-weight:700;color:var(--text);margin-bottom:4px}.login-subtitle{font-size:.95rem;color:var(--text-secondary);margin-bottom:28px}.login-button{display:inline-flex;align-items:center;justify-content:center;width:100%;min-height:44px;padding:10px 20px;background:var(--orange);color:#fff;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;font-family:var(--font);transition:background .15s}.login-button:hover{background:var(--orange-light)}.login-loading{font-size:1rem;color:var(--text-secondary)}.app-main{padding:0}.page-loading,.page-error{display:flex;align-items:center;justify-content:center;min-height:200px;font-size:1rem;color:var(--text-secondary)}.page-error{color:#c00}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 20px;border-radius:var(--radius);font-size:.95rem;font-weight:500;border:none;transition:opacity .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--orange);color:#fff}.btn-primary:hover:not(:disabled){background:var(--orange-light)}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border-light)}.btn-small{min-height:28px;padding:4px 10px;font-size:.8rem}.story-list-page{padding-bottom:20px}.story-item-selected{background:color-mix(in srgb,var(--orange) 8%,transparent)!important;border-left:3px solid var(--orange)}.story-item-selected .story-item-title-link{padding-left:9px}.split-sidebar .story-list{width:100%}.split-sidebar .story-list-page{padding-bottom:0}.split-detail .story-detail-page{max-width:none}.story-list{background:var(--bg-card);display:table;width:100%;border-collapse:collapse}.story-item{border-bottom:1px solid var(--border-light);display:table-row}.story-item-title-link{display:table-cell;vertical-align:middle;padding:10px 12px;color:inherit;text-decoration:none;min-height:44px;width:100%}.story-item-title-link .story-item-title-inner{display:flex;align-items:flex-start}.story-item-title-link:hover{background:var(--border-light);text-decoration:none}.story-item-actions{display:table-cell;vertical-align:middle;border-left:1px solid var(--border-light);padding:6px 8px}.story-item-action-icon{display:flex;align-items:center;justify-content:center;width:36px;height:28px;color:var(--text-secondary);text-decoration:none;border-radius:4px;transition:background .15s,color .15s}.story-item-action-icon:hover{background:var(--border-light);color:var(--orange);text-decoration:none}.story-item-action-icon--reader{margin-top:-3px}.story-item-action-placeholder{pointer-events:none;visibility:hidden}.story-content{flex:1;min-width:0}.story-title{font-size:16px;font-weight:400;line-height:1.3;color:var(--text);margin-bottom:2px}.story-domain{font-size:13px;font-weight:400;color:var(--text-muted)}.story-domain-line{font-size:13px;color:var(--text-muted);margin-bottom:2px}.story-meta{font-size:13px;color:var(--text-secondary);display:flex;flex-wrap:wrap;gap:3px;align-items:center}.story-separator{color:var(--text-muted)}.pagination{display:flex;align-items:center;justify-content:center;gap:16px;padding:12px 16px}.pagination-btn{min-height:44px;padding:10px 20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);color:var(--orange);font-size:.95rem;font-weight:500}.pagination-btn:disabled{color:var(--text-muted);border-color:var(--border-light);cursor:not-allowed}.pagination-btn:not(:disabled):hover{background:var(--border-light)}.pagination-info{font-size:.9rem;color:var(--text-secondary)}.story-detail-page{padding-bottom:40px}.back-link{font-size:1.1rem;font-weight:500;display:inline-flex;align-items:center;min-height:32px;flex-shrink:0}.story-detail-header{padding:10px 12px;background:var(--bg-card);border-bottom:1px solid var(--border)}.story-detail-title-row{display:flex;align-items:center;gap:8px}.story-detail-title-group{flex:1;min-width:0}.story-detail-title{font-size:1.1rem;font-weight:600;line-height:1.3;margin-bottom:2px}.story-detail-title a{color:var(--text)}.story-detail-title a:hover{color:var(--orange)}.story-detail-domain{font-size:.8rem;color:var(--text-muted);margin-bottom:2px}.story-detail-meta{font-size:.85rem;color:var(--text-secondary);display:flex;flex-wrap:wrap;gap:4px;align-items:center}.btn-open-link{display:inline-flex;align-items:center;margin-top:8px;padding:6px 14px;background:var(--orange);color:#fff;border:none;border-radius:var(--radius);font-size:.9rem;font-weight:500;text-decoration:none;transition:opacity .15s}.btn-open-link:hover{opacity:.85;text-decoration:none;color:#fff}.story-detail-text{padding:16px;background:var(--bg-card);border-bottom:1px solid var(--border)}.story-detail-text-content{font-size:1rem;line-height:1.7;color:var(--text)}.story-detail-text-content p{margin-bottom:1em}.story-detail-text-content a{color:var(--orange)}.story-detail-text-content pre,.story-detail-text-content code{font-size:.9em;background:var(--bg);border-radius:4px}.story-detail-text-content pre{padding:12px;overflow-x:auto;margin-bottom:1em}.story-detail-text-content code{padding:2px 4px}.article-view{padding:24px 32px}.article-view .article-title{font-size:1.4rem;font-weight:700;line-height:1.3;margin-bottom:6px}.article-view .article-byline{font-size:.9rem;color:var(--text-secondary);margin-bottom:20px}.article-view .article-content{font-size:1rem;line-height:1.75;color:var(--text)}.article-view .article-content p{margin-bottom:1.1em}.article-view .article-content a{color:var(--orange)}.article-view .article-content img{max-width:100%;height:auto;border-radius:var(--radius)}.article-view .article-content pre,.article-view .article-content code{font-size:.9em;background:var(--bg);border-radius:4px}.article-view .article-content pre{padding:12px;overflow-x:auto;margin-bottom:1em}.article-view .article-content code{padding:2px 4px}.article-failed{padding:32px}.story-detail-comments-header{padding:4px 12px;display:flex;align-items:center;justify-content:space-between;background:var(--bg)}.story-detail-comments-count{font-size:.75rem;font-weight:400;color:var(--text-secondary)}.comment-tree{background:var(--bg-card)}.comment-tree-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border-light)}.comment-tree-title{font-size:1rem;font-weight:600}.comment-tree-empty{padding:32px 16px;text-align:center;color:var(--text-muted)}.comment-tree-list{padding:0}.comment{display:flex;border-bottom:1px solid var(--border-light)}.comment{scroll-margin-top:0}.comment-body{flex:1;min-width:0;padding:2px 12px 2px 10px}.comment-header{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer;min-height:28px;-webkit-tap-highlight-color:transparent;padding:2px 8px;margin:0 -4px;border-radius:4px 4px 0 0}.comment-author{font-weight:600;color:var(--text)}.comment-time{color:var(--text-muted)}.comment-permalink{text-decoration:none;color:var(--text-muted)}.comment-permalink:hover{text-decoration:underline;color:var(--orange)}.comment-deleted{color:var(--text-muted);font-style:italic}.comment-collapsed-indicator{color:var(--orange);font-weight:500;font-size:13px}.comment-text{font-size:15px;line-height:1.4;color:var(--text);padding:2px 8px 4px;margin:0 -4px;border-radius:0 0 4px 4px;overflow-wrap:break-word;word-break:break-word}.comment-text p{margin-bottom:.4em}.comment-text p:last-child{margin-bottom:0}.comment-text a{color:var(--orange);word-break:break-all}.comment-text pre{overflow-x:auto;background:var(--bg);padding:8px;border-radius:4px;font-size:.85em;margin:.5em 0}.comment-text code{font-size:.9em;background:var(--bg);padding:1px 3px;border-radius:3px}.comment-children{padding-left:4px;border-left:1px solid color-mix(in srgb,var(--orange) 35%,transparent)}.comment-children .comment{border-bottom:none}.comment-focused>.comment-body>.comment-header,.comment-focused>.comment-body>.comment-text{background:color-mix(in srgb,var(--orange) 8%,transparent)}.staleness-label{font-size:.75rem;color:var(--text-secondary);margin-left:6px}.staleness-label-ready{color:var(--orange);display:inline-flex;align-items:center;gap:5px}.staleness-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--orange);flex-shrink:0}.starred-page{padding-bottom:20px}.starred-title{padding:16px;font-size:1.1rem}.starred-page .starred-empty{padding:32px 16px;text-align:center;color:var(--text-secondary)}.story-list-status{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 16px;background:var(--bg-card);border-bottom:1px solid var(--border-light);font-size:.8rem}.story-list-status-left{display:flex;align-items:center;gap:8px}.top-stories-period-label{font-size:.8rem;font-weight:500;color:var(--text-secondary)}.top-stories-empty{padding:32px 16px;text-align:center;color:var(--text-muted);font-size:.95rem}.offline-badge{display:inline-flex;align-items:center;padding:2px 8px;background:#fef3c7;color:#92400e;border-radius:10px;font-size:.75rem;font-weight:600}.offline-hint{font-size:.9rem;color:var(--text-secondary);margin-top:8px}.data-saver-prompt{padding:32px 16px;text-align:center;background:var(--bg-card);border-bottom:1px solid var(--border)}.data-saver-prompt p{color:var(--text-secondary);font-size:.9rem;margin-bottom:16px}.pull-to-refresh{touch-action:pan-y}.ptr-indicator{display:flex;align-items:center;justify-content:center;gap:8px;overflow:hidden;transition:height .2s ease;background:var(--bg);color:var(--text-secondary);font-size:.85rem}.ptr-active{transition:none}.ptr-spinner{font-size:1.1rem;transition:transform .2s ease}.ptr-triggered .ptr-spinner{transform:rotate(180deg)}.ptr-refreshing .ptr-spinner{animation:ptr-spin .8s linear infinite}@keyframes ptr-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.ptr-btn{background:none;border:none;color:var(--text-secondary);font-size:.75rem;padding:2px 6px;border-radius:4px;cursor:pointer;transition:background .15s,color .15s}.ptr-btn:hover:not(:disabled){background:var(--border-light);color:var(--text)}.ptr-btn:disabled{opacity:.5;cursor:not-allowed}.comments-btn{background:none;border:none;border-radius:var(--radius);color:var(--text-muted);min-width:32px;min-height:32px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;-webkit-tap-highlight-color:transparent;transition:color .15s,border-color .15s;text-decoration:none;padding:0;cursor:pointer}.comments-btn:hover{color:var(--orange)}.reader-btn{background:none;border:none;border-radius:var(--radius);color:var(--text-muted);min-width:32px;min-height:32px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;-webkit-tap-highlight-color:transparent;transition:color .15s,border-color .15s;text-decoration:none}.reader-btn:hover{color:var(--orange)}.send-btn{background:none;border:none;border-radius:var(--radius);color:var(--text-muted);min-width:32px;min-height:32px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;-webkit-tap-highlight-color:transparent;transition:color .15s,border-color .15s;cursor:pointer;padding:0}.send-btn:hover,.send-btn:active{color:var(--orange)}.star-btn{background:none;border:none;border-radius:var(--radius);font-size:1.4rem;line-height:1;color:var(--text-muted);min-width:32px;min-height:32px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;-webkit-tap-highlight-color:transparent;transition:color .15s,border-color .15s}.star-btn:hover,.star-btn-active{color:var(--orange)}.story-star-indicator{color:var(--orange);font-size:.85rem;margin-left:4px}.story-prefetch-indicator{color:var(--text-muted);margin-left:4px;opacity:.7;display:inline-flex;align-items:center;vertical-align:middle}.error-boundary{display:flex;align-items:center;justify-content:center;min-height:60vh;padding:2rem}.error-boundary-card{text-align:center;max-width:400px}.error-boundary-card h2{margin:0 0 .5rem;font-size:1.25rem;color:var(--text-primary)}.error-boundary-message{color:var(--text-secondary);margin:0 0 1.5rem;font-size:.9rem;word-break:break-word}.error-boundary-actions{display:flex;gap:.75rem;justify-content:center}.error-boundary-btn{padding:.5rem 1.25rem;border-radius:6px;border:1px solid var(--border);background:var(--accent);color:#fff;font-size:.9rem;cursor:pointer}.error-boundary-btn.secondary{background:transparent;color:var(--text-secondary)}.kbd-help-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:kbd-fade-in .15s ease}@keyframes kbd-fade-in{0%{opacity:0}to{opacity:1}}.kbd-help-modal{background:var(--bg-card);border-radius:12px;padding:20px 24px;min-width:280px;max-width:360px;box-shadow:0 8px 32px #0003}.kbd-help-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.kbd-help-header h2{font-size:16px;font-weight:600;margin:0;color:var(--text)}.kbd-help-close{background:none;border:none;font-size:22px;color:var(--text-muted);cursor:pointer;padding:0 4px;line-height:1}.kbd-help-close:hover{color:var(--text)}.kbd-help-table{width:100%;border-collapse:collapse}.kbd-help-table td{padding:6px 0;font-size:14px;color:var(--text)}.kbd-help-table td:first-child{width:48px;text-align:center}.kbd-help-table kbd{display:inline-block;background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:2px 8px;font-family:inherit;font-size:13px;font-weight:600;color:var(--text);min-width:24px;text-align:center}