:root,:root[data-theme=dark]{color-scheme:dark;--color-bg: #000000;--color-surface: #000000;--color-surface-2: #161616;--color-text: #f4f4f5;--color-text-muted: #a1a1aa;--color-border: #2a2a2a;--color-accent: #9ec3ea;--color-accent-contrast: #0b0b0b;--color-danger: #f0b4b4;--color-danger-contrast: #2a1212;--color-focus: #9ec3ea;--color-unread: #9ec3ea;--shadow: 0 8px 24px rgb(0 0 0 / 45%);--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;--font-size: 16px;--font-size-sm: .8125rem;--font-size-lg: 1.35rem;--line-height: 1.5;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--radius: 12px;--header-h: 56px;--tabbar-h: 64px;--sidebar-w: 17rem;--list-w: 26rem;--reader-measure: 66ch}:root[data-theme=light]{color-scheme:light;--color-bg: #f3f3f4;--color-surface: #ffffff;--color-surface-2: #e7e7ea;--color-text: #1a1a1d;--color-text-muted: #5c5c66;--color-border: #dedee3;--color-accent: #1f4e79;--color-accent-contrast: #ffffff;--color-danger: #8c2f2f;--color-danger-contrast: #ffffff;--color-focus: #1f4e79;--color-unread: #1f4e79;--shadow: 0 8px 24px rgb(20 20 24 / 8%)}:root[data-theme=system]{color-scheme:light dark}@media(prefers-color-scheme:light){:root[data-theme=system]{color-scheme:light;--color-bg: #f3f3f4;--color-surface: #ffffff;--color-surface-2: #e7e7ea;--color-text: #1a1a1d;--color-text-muted: #5c5c66;--color-border: #dedee3;--color-accent: #1f4e79;--color-accent-contrast: #ffffff;--color-danger: #8c2f2f;--color-danger-contrast: #ffffff;--color-focus: #1f4e79;--color-unread: #1f4e79;--shadow: 0 8px 24px rgb(20 20 24 / 8%)}}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--color-bg);color:var(--color-text);font-family:var(--font);font-size:var(--font-size);line-height:var(--line-height)}body{min-height:100dvh}button,input,select{font:inherit;color:inherit}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}a{color:var(--color-accent)}h1,h2,p{margin:0}.app{min-height:100dvh;display:flex;flex-direction:column}.sidebar{display:none}.list-pane,.reader-pane{min-width:0}.list-pane{flex:1}.reader-pane,.app.is-reading .list{display:none}.app.is-reading .reader-pane{display:block}.app.is-reading .list-pane{flex:0 0 auto}.topbar{position:sticky;top:0;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);background:color-mix(in srgb,var(--color-bg) 92%,transparent);border-bottom:1px solid var(--color-border)}.topbar-title{flex:1 1 8rem;font-size:1.15rem;line-height:1.3;font-weight:650}.list,.reader{padding-bottom:calc(var(--tabbar-h) + env(safe-area-inset-bottom))}.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:3;display:grid;grid-template-columns:repeat(4,1fr);min-height:var(--tabbar-h);padding-bottom:env(safe-area-inset-bottom);background:var(--color-surface);border-top:1px solid var(--color-border)}.tab{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:44px;padding:6px 2px;color:var(--color-text-muted);text-decoration:none;font-size:var(--font-size-sm)}.tab.is-active{color:var(--color-text);font-weight:650}.tab-count{position:absolute;top:4px;margin-left:28px;min-width:1.1rem;padding:0 4px;border-radius:999px;background:var(--color-surface-2);color:var(--color-text);font-size:.7rem;line-height:1.3;text-align:center}.icon{width:1.35rem;height:1.35rem;display:block}.icon-button,.text-button,.btn,.chip{border:0;background:transparent;cursor:pointer}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:999px;color:var(--color-text)}.icon-button:hover,.text-button:hover,.chip:hover,.btn:hover{background:var(--color-surface-2)}.save-button.is-on,.btn.is-on{color:var(--color-accent)}.text-button{min-height:44px;padding:0 var(--space-2);border-radius:999px;color:var(--color-accent)}.chips{display:flex;gap:var(--space-2)}.chip{min-height:36px;padding:0 var(--space-3);border-radius:999px;background:var(--color-surface);color:var(--color-text-muted);border:1px solid var(--color-border)}.chip.is-active{background:var(--color-text);color:var(--color-bg);border-color:var(--color-text)}.item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-1);align-items:start;padding:var(--space-3) var(--space-3) var(--space-3) var(--space-4);border-bottom:1px solid var(--color-border)}.item.is-unread .item-title{font-weight:650}.item.is-unread .item-title:before{content:"";display:inline-block;width:.45rem;height:.45rem;margin-right:.45rem;border-radius:999px;background:var(--color-unread);transform:translateY(-.12rem)}.item.is-read .item-title,.item.is-read .item-excerpt{color:var(--color-text-muted)}.item-link{display:flex;flex-direction:column;gap:2px;min-width:0;color:inherit;text-decoration:none}.item-title{font-size:1.02rem;line-height:1.35;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.item-meta,.muted,.hint{color:var(--color-text-muted);font-size:var(--font-size-sm)}.item-excerpt{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--color-text-muted);font-size:.92rem}.empty,.reader-empty{padding:var(--space-6) var(--space-4);display:flex;flex-direction:column;gap:var(--space-3);max-width:38rem}.empty h2{font-size:1.25rem}.stack{display:flex;flex-direction:column;gap:var(--space-4);padding:var(--space-4)}.card{display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-4);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius)}.field{display:flex;flex-direction:column;gap:var(--space-1)}.field.compact{min-width:10rem}.label{font-size:var(--font-size-sm);color:var(--color-text-muted)}input,select{width:100%;min-height:44px;padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:10px;background:var(--color-bg)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 var(--space-4);border-radius:999px;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);text-decoration:none}.btn-primary{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-accent-contrast)}.btn-danger{background:transparent;border-color:var(--color-danger);color:var(--color-danger)}.row-actions,.manage-actions{display:flex;flex-wrap:wrap;gap:var(--space-2);align-items:end}.section-title{font-size:1rem;margin-bottom:var(--space-2)}.manage-row,.folder-row{display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-3) 0;border-bottom:1px solid var(--color-border)}.manage-title{color:inherit;font-weight:650;text-decoration:none}.break{overflow-wrap:anywhere}.error-text{color:var(--color-danger);font-size:var(--font-size-sm)}.check{display:flex;gap:var(--space-2);align-items:center;min-height:44px}.check input{width:1.1rem;height:1.1rem}.choice-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-2)}.choice{width:100%;text-align:left;display:flex;flex-direction:column;gap:2px;padding:var(--space-3);border-radius:10px;border:1px solid var(--color-border);background:var(--color-bg);cursor:pointer}.inline-form{display:flex;flex-wrap:wrap;gap:var(--space-2);align-items:center}.inline-form input{flex:1 1 12rem}.more-button{margin:var(--space-4) auto;display:flex}.search-form{padding:var(--space-4) var(--space-4) 0}.reader-article{padding:var(--space-4)}.reader-header{display:flex;flex-direction:column;gap:var(--space-3);max-width:var(--reader-measure)}.reader-header h2{font-size:var(--font-size-lg);line-height:1.25;font-weight:650}.reader-body{max-width:var(--reader-measure);margin-top:var(--space-5);font-size:1.05rem;line-height:1.65}.reader-body p,.reader-body ul,.reader-body ol,.reader-body blockquote,.reader-body pre,.reader-body table,.reader-body figure{margin:0 0 1rem}.reader-body h1,.reader-body h2,.reader-body h3{line-height:1.3;margin:1.4rem 0 .6rem}.reader-body img{max-width:100%;height:auto;border-radius:8px}.reader-body pre,.reader-body code{font-family:var(--font-mono);font-size:.92em}.reader-body pre{overflow:auto;padding:var(--space-3);background:var(--color-surface-2);border-radius:8px}.reader-body blockquote{margin-left:0;padding-left:var(--space-3);border-left:3px solid var(--color-border);color:var(--color-text-muted)}.reader-body table{width:100%;border-collapse:collapse}.reader-body th,.reader-body td{border:1px solid var(--color-border);padding:var(--space-2);text-align:left}.status{position:fixed;left:50%;bottom:calc(var(--tabbar-h) + 12px + env(safe-area-inset-bottom));transform:translate(-50%);z-index:4;width:min(32rem,calc(100% - 24px));pointer-events:none}.status:empty{display:none}.status-text{margin:0;padding:var(--space-3) var(--space-4);border-radius:999px;background:var(--color-text);color:var(--color-bg);text-align:center;box-shadow:var(--shadow)}.status-text.is-error{background:var(--color-danger);color:var(--color-danger-contrast)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.side-link{display:flex;justify-content:space-between;gap:var(--space-2);align-items:center;min-height:40px;padding:0 var(--space-3);color:inherit;text-decoration:none;border-radius:8px}.side-link.is-active{background:var(--color-surface-2);font-weight:650}.count{min-width:1.25rem;padding:0 6px;border-radius:999px;background:var(--color-surface-2);color:var(--color-text-muted);font-size:var(--font-size-sm);text-align:center}.depth-1{margin-left:12px}.depth-2{margin-left:24px}.depth-3{margin-left:36px}.depth-4{margin-left:48px}@media(min-width:960px){.app{display:grid;grid-template-columns:var(--sidebar-w) minmax(22rem,var(--list-w)) minmax(0,1fr);height:100dvh;min-height:0;overflow:hidden}.app.is-managing{grid-template-columns:var(--sidebar-w) minmax(0,1fr)}.app.is-managing .reader-pane{display:none}.sidebar{display:flex;flex-direction:column;min-height:0;overflow:auto;border-right:1px solid var(--color-border);background:var(--color-surface);padding:var(--space-4) var(--space-3)}.brand{font-weight:650;padding:0 var(--space-3) var(--space-4)}.side-nav,.side-tree{display:flex;flex-direction:column;gap:2px}.side-tree{margin-top:var(--space-4)}.side-empty{padding:var(--space-3)}.list-pane,.reader-pane{display:flex;flex-direction:column;min-height:0;overflow:auto}.app.is-reading .list{display:block}.app.is-reading .list-pane{flex:initial;min-height:0}.list,.reader{padding-bottom:var(--space-6)}.tabbar,.back-button{display:none}.status{bottom:var(--space-5)}.reader{border-left:1px solid var(--color-border)}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}