:root{--bg:oklch(16% .008 60);--bg-elev:oklch(20% .01 58);--bg-card:oklch(22% .012 58);--bg-card-hover:oklch(25% .014 58);--border:oklch(30% .012 58);--border-strong:oklch(38% .015 58);--text:oklch(96% .005 60);--text-dim:oklch(72% .008 60);--text-faint:oklch(52% .01 60);--accent:oklch(74% .17 50);--accent-soft:oklch(74% .17 50/.12);--accent-glow:oklch(74% .17 50/.35);--cat-new:oklch(78% .16 150);--cat-new-soft:oklch(78% .16 150/.14);--cat-enh:oklch(74% .14 230);--cat-enh-soft:oklch(74% .14 230/.14);--cat-bug:oklch(78% .16 55);--cat-bug-soft:oklch(78% .16 55/.14);--cat-brk:oklch(70% .2 25);--cat-brk-soft:oklch(70% .2 25/.14);--cat-milestone:oklch(75% .15 310);--cat-milestone-soft:oklch(75% .15 310/.14);--rail-x:132px;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", "SF Mono", Menlo, monospace}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;min-height:100vh;font-size:15px;line-height:1.55}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(800px 500px at 15% 0,oklch(74% .17 50/.06),#0000 60%),radial-gradient(600px 400px at 95% 10%,oklch(74% .14 230/.04),#0000 60%);position:fixed;inset:0}#app{z-index:1;position:relative}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--border-strong)}.app-header{z-index:50;-webkit-backdrop-filter:blur(18px)saturate(1.2);border-bottom:1px solid var(--border);background:oklch(16% .008 60/.72);position:sticky;top:0}.app-header-inner{align-items:center;gap:24px;max-width:1200px;margin:0 auto;padding:16px 32px;display:flex}.brand{align-items:center;gap:12px;min-width:0;display:flex}.brand-mark{background:linear-gradient(135deg, var(--accent), oklch(62% .18 35));color:oklch(18% .01 60);width:32px;height:32px;font-family:var(--font-mono);box-shadow:0 0 0 1px oklch(74% .17 50/.4), 0 8px 24px -8px var(--accent-glow);border-radius:8px;place-items:center;font-size:15px;font-weight:700;display:grid}.brand-text{flex-direction:column;line-height:1.1;display:flex}.brand-name{font-family:var(--font-mono);color:var(--text-dim);letter-spacing:.02em;font-size:13px}.brand-title{font-family:var(--font-sans);color:var(--text);letter-spacing:-.01em;font-size:16px;font-weight:600}.header-spacer{flex:1}.search-box{background:var(--bg-elev);border:1px solid var(--border);border-radius:10px;align-items:center;width:320px;height:38px;padding:0 12px;transition:border-color .15s,background .15s;display:flex;position:relative}.search-box:focus-within{border-color:var(--accent);background:var(--bg-card);box-shadow:0 0 0 3px var(--accent-soft)}.search-box svg{color:var(--text-faint);flex-shrink:0}.search-box input{color:var(--text);font-family:var(--font-sans);background:0 0;border:none;outline:none;flex:1;padding:0 10px;font-size:14px}.search-box input::placeholder{color:var(--text-faint)}.search-kbd{font-family:var(--font-mono);color:var(--text-faint);border:1px solid var(--border-strong);white-space:nowrap;background:linear-gradient(oklch(22% .01 60),oklch(16% .01 60));border-radius:5px;flex-shrink:0;align-items:center;gap:2px;padding:2px 7px;font-size:11px;font-weight:500;line-height:1.4;display:inline-flex;box-shadow:0 1px 2px oklch(0% 0 0/.3),inset 0 1px oklch(100% 0 0/.04)}.search-kbd .kbd-symbol{font-size:13px;line-height:1}.product-toggle{background:var(--bg-elev);border:1px solid var(--border);border-radius:10px;align-items:center;gap:2px;height:38px;padding:3px;display:inline-flex}.product-toggle-btn{height:30px;color:var(--text-dim);font-family:var(--font-sans);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:7px;align-items:center;padding:0 13px;font-size:13px;font-weight:500;transition:all .15s;display:inline-flex}.product-toggle-btn:hover{color:var(--text);background:var(--bg-card)}.product-toggle-btn.active{background:var(--accent);color:oklch(18% .01 60);box-shadow:0 1px 4px oklch(74% .17 50/.3)}.filter-wrap{position:relative}.filter-btn{background:var(--bg-elev);border:1px solid var(--border);height:38px;color:var(--text);font-family:var(--font-sans);cursor:pointer;border-radius:10px;align-items:center;gap:8px;padding:0 14px;font-size:14px;font-weight:500;transition:all .15s;display:inline-flex}.filter-btn:hover{background:var(--bg-card);border-color:var(--border-strong)}.filter-btn.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.filter-badge{font-family:var(--font-mono);background:var(--accent);color:oklch(18% .01 60);border-radius:4px;padding:1px 6px;font-size:11px;font-weight:700}.filter-menu{background:var(--bg-elev);border:1px solid var(--border-strong);z-index:100;border-radius:12px;min-width:240px;padding:8px;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 20px 60px -20px oklch(0% 0 0/.6),0 0 0 1px oklch(0% 0 0/.2)}.filter-menu-title{font-family:var(--font-mono);color:var(--text-faint);text-transform:uppercase;letter-spacing:.08em;padding:6px 10px 8px;font-size:11px}.filter-option{cursor:pointer;color:var(--text);border-radius:8px;align-items:center;gap:10px;padding:8px 10px;font-size:14px;transition:background .12s;display:flex}.filter-option:hover{background:var(--bg-card-hover)}.filter-option input{appearance:none;border:1.5px solid var(--border-strong);cursor:pointer;border-radius:4px;flex-shrink:0;width:16px;height:16px;margin:0;transition:all .12s;position:relative}.filter-option input:checked{background:var(--accent);border-color:var(--accent)}.filter-option input:checked:after{content:"";border:2px solid oklch(18% .01 60);border-width:0 2px 2px 0;width:5px;height:9px;position:absolute;top:1px;left:4px;transform:rotate(45deg)}.filter-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.filter-option-label{flex:1}.filter-option-count{font-family:var(--font-mono);color:var(--text-faint);font-size:12px}.filter-menu-footer{border-top:1px solid var(--border);justify-content:flex-end;margin-top:6px;padding-top:6px;display:flex}.filter-clear{color:var(--text-dim);font-family:var(--font-sans);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:6px 10px;font-size:13px}.filter-clear:hover{color:var(--text);background:var(--bg-card-hover)}.month-pill{font-family:var(--font-mono);color:var(--text-dim);background:var(--bg-elev);border:1px solid var(--border);letter-spacing:.02em;border-radius:999px;align-items:baseline;gap:8px;padding:6px 12px;font-size:12px;transition:opacity .2s;display:inline-flex}.month-pill-dot{background:var(--accent);width:6px;height:6px;box-shadow:0 0 8px var(--accent-glow);border-radius:50%;display:inline-block}.month-pill-label{color:var(--text);font-weight:500}.timeline-container{max-width:1200px;margin:0 auto;padding:40px 32px 120px;position:relative}.timeline-intro{padding-left:calc(var(--rail-x) + 40px);max-width:680px;margin-bottom:48px}.timeline-intro h1{letter-spacing:-.02em;color:var(--text);margin:0 0 12px;font-size:42px;font-weight:600}.timeline-intro h1 .accent{color:var(--accent)}.timeline-intro p{color:var(--text-dim);margin:0;font-size:16px;line-height:1.6}.timeline-intro-meta{font-family:var(--font-mono);color:var(--text-faint);gap:24px;margin-top:20px;font-size:12px;display:flex}.timeline-intro-meta span strong{color:var(--text);font-weight:500}.timeline-rail{left:calc(32px + var(--rail-x));background:linear-gradient(to bottom, transparent 0%, var(--border-strong) 80px, var(--border-strong) calc(100% - 80px), transparent 100%);width:1px;position:absolute;top:240px;bottom:120px}.month-section{position:relative}.month-marker{z-index:20;pointer-events:none;margin-left:0;padding:16px 0 20px;position:sticky;top:82px}.month-marker-inner{align-items:center;gap:16px;padding-left:0;display:flex}.month-marker-label{font-family:var(--font-mono);color:var(--text-faint);text-transform:uppercase;letter-spacing:.12em;text-align:right;width:108px;padding-right:24px;font-size:11px;font-weight:500}.month-marker-title{font-family:var(--font-sans);color:var(--text);letter-spacing:-.01em;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);background:oklch(16% .008 60/.85);border-radius:999px;margin-left:-8px;padding:6px 16px 6px 20px;font-size:18px;font-weight:600;position:relative}.month-marker-title:before{content:"";background:var(--accent);width:10px;height:10px;box-shadow:0 0 0 3px oklch(16% .008 60), 0 0 12px var(--accent-glow);border-radius:50%;position:absolute;top:50%;left:-5px;transform:translateY(-50%)}.month-section.current .month-marker-title:before{animation:2s ease-in-out infinite pulse}.month-marker-count{font-family:var(--font-mono);color:var(--text-faint);font-size:12px}@keyframes pulse{0%,to{box-shadow:0 0 0 3px oklch(16% .008 60), 0 0 12px var(--accent-glow)}50%{box-shadow:0 0 0 3px oklch(16% .008 60), 0 0 20px var(--accent), 0 0 0 8px oklch(74% .17 50/.15)}}.entry{opacity:1;grid-template-columns:132px 40px 1fr;align-items:flex-start;gap:0;margin-bottom:16px;transition:opacity .3s,filter .3s;display:grid;position:relative}.entry.dimmed{opacity:.25;filter:saturate(.5)}.entry.hidden{display:none}.entry-meta{text-align:right;font-family:var(--font-mono);padding:20px 24px 0 0}.entry-date{color:var(--text);letter-spacing:.02em;font-size:12px;font-weight:500}.entry-version{color:var(--text-faint);margin-top:4px;font-size:11px}.entry-node{justify-content:center;padding-top:26px;display:flex;position:relative}.entry-node-dot{background:var(--bg);border:2px solid var(--border-strong);z-index:2;border-radius:50%;width:14px;height:14px;transition:all .2s;position:relative}.entry.is-current .entry-node-dot{border-color:var(--accent);background:var(--accent);box-shadow:0 0 0 4px oklch(16% .008 60), 0 0 14px var(--accent-glow)}.entry:hover .entry-node-dot{border-color:var(--accent);transform:scale(1.15)}.card{background:var(--bg-card);cursor:pointer;border-radius:12px;padding:0;transition:transform .22s cubic-bezier(.2,.8,.3,1),box-shadow .22s cubic-bezier(.2,.8,.3,1);position:relative;overflow:hidden}.card:before{content:"";-webkit-mask-composite:xor;pointer-events:none;background:linear-gradient(135deg,oklch(38% .012 58),oklch(25% .01 58) 40%,oklch(30% .014 58));border-radius:12px;padding:1px;transition:background .22s;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;-webkit-mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}.card:hover{box-shadow:0 12px 32px -12px oklch(0% 0 0/.5), 0 0 0 1px oklch(74% .17 50/.25), 0 0 40px -8px var(--accent-glow);transform:translateY(-2px)}.card:hover:before{background:linear-gradient(135deg, var(--accent), oklch(40% .02 58) 50%, oklch(74% .14 230/.6))}.card.expanded{box-shadow:0 12px 40px -12px oklch(0% 0 0/.6), 0 0 0 1px var(--accent), 0 0 60px -12px var(--accent-glow)}.card.expanded:before{background:linear-gradient(135deg, var(--accent), oklch(40% .02 58) 60%, var(--accent))}.card-head{align-items:flex-start;gap:16px;padding:18px 22px;display:flex}.card-head-main{flex:1;min-width:0}.card-badges{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px;display:flex}.cat-tag{font-family:var(--font-mono);letter-spacing:.02em;text-transform:uppercase;border-radius:5px;align-items:center;gap:6px;padding:4px 9px;font-size:11px;font-weight:500;line-height:1.4;display:inline-flex}.cat-tag-dot{border-radius:50%;width:6px;height:6px;display:inline-block}.cat-new{background:var(--cat-new-soft);color:var(--cat-new)}.cat-new .cat-tag-dot{background:var(--cat-new);box-shadow:0 0 6px var(--cat-new)}.cat-enh{background:var(--cat-enh-soft);color:var(--cat-enh)}.cat-enh .cat-tag-dot{background:var(--cat-enh);box-shadow:0 0 6px var(--cat-enh)}.cat-bug{background:var(--cat-bug-soft);color:var(--cat-bug)}.cat-bug .cat-tag-dot{background:var(--cat-bug);box-shadow:0 0 6px var(--cat-bug)}.cat-brk{background:var(--cat-brk-soft);color:var(--cat-brk)}.cat-brk .cat-tag-dot{background:var(--cat-brk);box-shadow:0 0 6px var(--cat-brk)}.cat-milestone{background:var(--cat-milestone-soft);color:var(--cat-milestone)}.cat-milestone .cat-tag-dot{background:var(--cat-milestone);box-shadow:0 0 6px var(--cat-milestone)}.card-area-tag{font-family:var(--font-mono);color:var(--text-faint);letter-spacing:.02em;padding:4px 0;font-size:11px}.product-badge{font-family:var(--font-mono);letter-spacing:.03em;border-radius:4px;align-items:center;padding:3px 8px;font-size:10px;font-weight:500;line-height:1.4;display:inline-flex}.product-badge-claude{color:oklch(74% .17 50);background:oklch(74% .17 50/.12)}.product-badge-code{color:oklch(74% .14 230);background:oklch(74% .14 230/.12)}.card-title{font-family:var(--font-sans);color:var(--text);letter-spacing:-.01em;margin:0 0 6px;font-size:18px;font-weight:600;line-height:1.3}.card-title mark{background:var(--accent-soft);color:var(--accent);border-radius:3px;padding:0 3px}.card-summary{color:var(--text-dim);margin:0;font-size:14.5px;line-height:1.55}.card-summary mark,mark{background:var(--accent-soft);color:var(--accent);border-radius:3px;padding:0 3px}.card-chevron{background:var(--bg-elev);border:1px solid var(--border);width:28px;height:28px;color:var(--text-dim);border-radius:8px;flex-shrink:0;place-items:center;margin-top:2px;transition:all .22s;display:grid}.card:hover .card-chevron{color:var(--accent);border-color:var(--accent)}.card.expanded .card-chevron{color:var(--accent);border-color:var(--accent);background:var(--accent-soft);transform:rotate(180deg)}.card-body-wrap{max-height:0;transition:max-height .38s cubic-bezier(.4,0,.2,1);overflow:hidden}.card.expanded .card-body-wrap{max-height:var(--body-h,2000px)}.card-body{min-height:0}.card-body-inner{border-top:1px dashed var(--border);margin-top:0;padding:20px 22px 22px}.card.expanded .card-body-inner{animation:.26s 60ms both fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.body-text{color:var(--text);margin:0 0 20px;font-size:14.5px;line-height:1.65}.body-text strong{color:var(--text);font-weight:600}.body-text code{font-family:var(--font-mono);background:var(--bg-elev);color:var(--accent);border:1px solid var(--border);border-radius:4px;padding:2px 6px;font-size:13px}.section-label{font-family:var(--font-mono);color:var(--text-faint);text-transform:uppercase;letter-spacing:.1em;align-items:center;gap:8px;margin:0 0 10px;font-size:11px;display:flex}.section-label:before{content:"";background:var(--accent);border-radius:50%;width:4px;height:4px}.code-block{border:1px solid var(--border);background:oklch(12% .006 60);border-radius:10px;margin:0 0 20px;overflow:hidden}.code-block-head{border-bottom:1px solid var(--border);font-family:var(--font-mono);color:var(--text-faint);letter-spacing:.04em;background:oklch(14% .008 60);justify-content:space-between;align-items:center;padding:10px 14px;font-size:11px;display:flex}.code-block-lang{text-transform:uppercase}.code-copy-btn{color:var(--text-faint);font-family:var(--font-mono);cursor:pointer;background:0 0;border:none;border-radius:4px;align-items:center;gap:4px;padding:2px 8px;font-size:11px;transition:all .12s;display:inline-flex}.code-copy-btn:hover{color:var(--accent);background:var(--accent-soft)}.code-block pre{font-family:var(--font-mono);color:var(--text);margin:0;padding:14px 16px;font-size:13px;line-height:1.6;overflow-x:auto}.tok-cmd{color:var(--accent);font-weight:500}.tok-flag{color:oklch(82% .14 290)}.tok-str{color:var(--cat-new)}.tok-num{color:var(--cat-bug)}.tok-kw{color:oklch(78% .14 330)}.tok-com{color:var(--text-faint);font-style:italic}.tok-var{color:oklch(82% .12 200)}.param-list{border:1px solid var(--border);border-radius:10px;margin:0 0 20px;overflow:hidden}.param-row{border-bottom:1px solid var(--border);grid-template-columns:180px 1fr;gap:16px;padding:10px 14px;font-size:13.5px;display:grid}.param-row:last-child{border-bottom:none}.param-row:nth-child(odd){background:oklch(19% .01 58)}.param-name{font-family:var(--font-mono);color:var(--accent);font-size:13px}.param-name .param-required{color:var(--cat-brk);margin-left:4px;font-size:11px}.param-desc{color:var(--text-dim)}.steps{counter-reset:step;flex-direction:column;gap:10px;margin:0 0 20px;padding:0;list-style:none;display:flex}.steps li{border:1px solid var(--border);counter-increment:step;color:var(--text-dim);background:oklch(19% .01 58);border-radius:8px;align-items:flex-start;gap:14px;padding:12px 14px;font-size:14px;display:flex}.steps li:before{content:counter(step);background:var(--accent-soft);width:22px;height:22px;color:var(--accent);font-family:var(--font-mono);border-radius:6px;flex-shrink:0;place-items:center;font-size:12px;font-weight:600;display:grid}.steps strong{color:var(--text);margin-bottom:2px;font-weight:500;display:block}.image-placeholder{border:1px dashed var(--border-strong);aspect-ratio:16/7;background:repeating-linear-gradient(135deg,oklch(19% .01 58) 0 12px,oklch(21% .012 58) 12px 24px);border-radius:10px;justify-content:center;align-items:center;margin:0 0 20px;padding:0;display:flex;position:relative;overflow:hidden}.image-placeholder-label{font-family:var(--font-mono);color:var(--text-faint);background:var(--bg);border:1px solid var(--border);letter-spacing:.03em;border-radius:6px;padding:6px 12px;font-size:12px}.metrics{grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 20px;display:grid}.metric{border:1px solid var(--border);background:oklch(19% .01 58);border-radius:10px;padding:14px 16px}.metric-label{font-family:var(--font-mono);color:var(--text-faint);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;font-size:11px}.metric-value{font-family:var(--font-mono);color:var(--text);font-size:20px;font-weight:500}.metric-value.up{color:var(--cat-new)}.metric-value.down{color:var(--cat-enh)}.metric-delta{color:var(--text-faint);font-size:12px;font-family:var(--font-mono);margin-top:2px}.diff-grid{grid-template-columns:1fr 1fr;gap:12px;margin:0 0 20px;display:grid}.diff-col{border:1px solid var(--border);border-radius:10px;overflow:hidden}.diff-col-head{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--border);padding:8px 14px;font-size:11px}.diff-before .diff-col-head{color:var(--cat-brk);background:oklch(70% .2 25/.14)}.diff-after .diff-col-head{color:var(--cat-new);background:oklch(78% .16 150/.14)}.diff-col pre{font-family:var(--font-mono);color:var(--text-dim);white-space:pre-wrap;background:oklch(12% .006 60);margin:0;padding:12px 14px;font-size:12.5px;line-height:1.6;overflow-x:auto}.link-row{border-top:1px dashed var(--border);flex-wrap:wrap;gap:8px;margin-top:4px;padding-top:6px;display:flex}.link-chip{background:var(--bg-elev);border:1px solid var(--border);color:var(--text-dim);font-family:var(--font-mono);border-radius:8px;align-items:center;gap:8px;padding:7px 12px;font-size:12px;text-decoration:none;transition:all .15s;display:inline-flex}.link-chip:hover{color:var(--accent);border-color:var(--accent);background:var(--accent-soft);transform:translateY(-1px)}.link-chip svg{flex-shrink:0}.link-chip-placeholder{opacity:.45;cursor:default}.link-chip-placeholder:hover{color:var(--text-dim);border-color:var(--border);background:var(--bg-elev);transform:none}.migration-note{border:1px solid oklch(70% .2 25/.3);border-left:3px solid var(--cat-brk);color:var(--text);background:oklch(70% .2 25/.08);border-radius:8px;margin:0 0 20px;padding:14px 16px;font-size:14px;line-height:1.6}.migration-note strong{color:var(--cat-brk);font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px;font-size:12px;display:block}.empty-state{text-align:center;color:var(--text-faint);padding:80px 20px}.empty-state h3{color:var(--text);margin:0 0 8px;font-weight:500}.app-footer{text-align:center;font-family:var(--font-mono);color:var(--text-faint);letter-spacing:.06em;padding:32px;font-size:11px}@media (width<=880px){:root{--rail-x:76px}.app-header-inner{flex-wrap:wrap;gap:12px;padding:12px 16px}.search-box{order:4;width:100%}.product-toggle{order:3;justify-content:center;width:100%}.filter-wrap{position:static}.filter-menu{z-index:200;width:auto;min-width:0;max-width:100vw;position:fixed;top:auto;left:8px;right:8px;overflow-x:auto}.filter-option{flex-wrap:nowrap;min-width:0}.timeline-container{padding:24px 16px 80px}.timeline-intro{padding-left:calc(var(--rail-x) + 20px)}.timeline-intro h1{font-size:28px}.entry{grid-template-columns:76px 32px 1fr}.entry-meta{padding-right:12px}.entry-date{font-size:11px}.month-marker-label{width:60px;padding-right:12px;font-size:10px}.month-marker-title{padding:5px 12px 5px 16px;font-size:15px}.timeline-rail{left:calc(16px + var(--rail-x))}.card-title{font-size:16px}.diff-grid,.metrics{grid-template-columns:1fr}.param-row{grid-template-columns:1fr;gap:4px}}