:root{--bg:#f7f8fa;--surface:#fff;--ink:#19283c;--muted:#748092;--line:#e4e9f0;--blue:#2563eb;--blue-soft:#eef4ff;--green:#219877;--green-soft:#e5f5ed;--amber:#d6962d;--amber-soft:#fff3d9;--rose:#ce655e;--rose-soft:#fcece9;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14px;line-height:1.5}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #93b4f6;outline-offset:3px}a{color:inherit;text-decoration:none}button{color:inherit}h1,h2,h3,p{margin:0}h2{font-size:14px;font-weight:650;letter-spacing:-.2px}small{font-size:11px}input,textarea,select{color:var(--ink)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}
.topbar{height:74px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;max-width:1440px;margin:auto;padding:0 52px}.brand{display:flex;align-items:center;gap:10px;font-weight:730;letter-spacing:-.5px;font-size:20px}.version{margin-left:3px;color:#98a1ad;font-family:var(--mono);font-size:10px;letter-spacing:0;font-weight:500}.topbar nav{display:flex;align-items:center;gap:24px}.offline{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px}.offline i{height:6px;width:6px;border-radius:50%;background:var(--green)}.text-button{border:0;background:none;padding:3px 0;color:var(--muted);font-size:12px}.text-button:hover{color:var(--blue)}.language{border:1px solid var(--line);background:white;padding:5px 10px;border-radius:6px;font-size:12px}
main{max-width:1336px;margin:0 auto;padding:0 28px}.intro{padding:49px 0 38px;display:flex;justify-content:space-between;align-items:center}.eyebrow{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:10px;letter-spacing:1.8px;font-weight:600;color:#7d8a9c}.eyebrow>span{width:14px;height:2px;background:var(--blue)}h1{font-size:45px;line-height:1.13;font-weight:650;letter-spacing:-2px;margin-top:13px}h1 span{color:var(--blue)}.subtitle{color:var(--muted);font-size:14px;margin-top:16px;line-height:1.7}.intro-note{display:flex;align-items:center;gap:17px;margin-right:47px;font-size:13px;line-height:1.7;color:#8a96a7}.note-symbol{font-size:46px;line-height:1;color:#b6c9ec;font-weight:200}
.workspace{display:grid;grid-template-columns:340px minmax(0,1fr);gap:22px;align-items:start}.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 2px 3px rgba(16,35,60,.015)}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.editor-panel .panel-heading{padding:20px 20px 17px}.tag{font-family:var(--mono);color:#8793a3;font-size:10px;background:#f3f5f8;padding:3px 6px;border-radius:4px}.policy-tabs{display:flex;margin:0 20px;border-bottom:1px solid var(--line);gap:17px}.policy-tabs button{background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;padding:0 0 12px;display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px}.policy-tabs button>span:first-child{font-size:10px;background:#f1f3f6;color:#778497;border-radius:4px;padding:1px 5px;font-family:var(--mono)}.policy-tabs button.active{color:var(--blue);border-bottom-color:var(--blue)}.policy-tabs button.active>span:first-child{background:var(--blue-soft);color:var(--blue)}#header-editor{display:block;border:0;resize:vertical;width:100%;min-height:218px;max-height:560px;padding:20px;font-family:var(--mono);font-size:12px;line-height:1.9;background:#fff;overflow:auto;white-space:pre-wrap;word-break:break-word}#header-editor:focus-visible{outline:0;background:#fafcff;box-shadow:inset 0 0 0 2px #bdd0f5}.editor-foot{display:flex;align-items:center;justify-content:space-between;gap:9px;margin:0 20px 17px;font-size:10px;color:#9ca5b2}.editor-foot .text-button{font-size:11px;flex-shrink:0}.presets{border-top:1px solid var(--line);padding:17px 20px 20px;background:#fcfdff;border-radius:0 0 12px 12px}.presets label{display:block;color:var(--muted);font-size:11px;margin-bottom:8px}select{border:1px solid var(--line);border-radius:6px;background:#fff;padding:8px 10px;font-size:12px}.presets select{width:100%}.presets p{font-size:11px;line-height:1.65;color:#8a95a4;margin-top:9px;min-height:36px}.input-error{margin:0 20px 16px;color:#ae4a43;font-size:12px;padding:10px;border:1px solid #f4c9c2;background:var(--rose-soft);border-radius:5px;overflow-wrap:anywhere}
.context-panel{margin-top:17px;padding:20px}.small-text{font-size:10px;color:#9aa4b1}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:20px;cursor:pointer}.switch-row strong{display:block;font-size:12px;font-weight:550}.switch-row small{display:block;color:#8d97a6;font-size:10px;margin-top:3px;line-height:1.5}.switch-row input{appearance:none;-webkit-appearance:none;background:#dfe5ed;width:29px;height:17px;border-radius:10px;position:relative;flex-shrink:0;cursor:pointer;border:0;margin:0;transition:background .12s}.switch-row input:before{content:"";position:absolute;top:3px;left:3px;height:11px;width:11px;background:white;box-shadow:0 1px 2px #c3cad4;border-radius:50%;transition:transform .12s}.switch-row input:checked{background:var(--blue)}.switch-row input:checked:before{transform:translateX(12px);box-shadow:none}.capture{border-top:1px solid var(--line);margin-top:20px;padding-top:14px;font-size:11px;color:var(--muted)}.capture summary{cursor:pointer}.capture p{font-size:10px;margin:10px 0}.capture label{display:block;margin:10px 0 4px}.capture input{width:100%;border:1px solid var(--line);border-radius:4px;padding:6px;font-family:var(--mono);font-size:10px}.privacy-note{display:flex;align-items:flex-start;padding:17px 12px;gap:9px;color:#8b97a7;font-size:11px;line-height:1.7}.privacy-note>span{font-size:17px;line-height:1.2;color:#a5b4c7}
.time-panel{padding:23px 25px 20px}.time-heading{display:flex;justify-content:space-between;align-items:center}.time-heading .eyebrow{font-size:9px;letter-spacing:1.6px}.time-heading h2{font-size:17px;font-weight:600;letter-spacing:-.5px;margin-top:6px}.play-button{width:32px;height:32px;border:1px solid #dbe5f6;border-radius:50%;color:var(--blue);background:#f8fbff;font-size:11px;padding-left:8px}.play-button:hover{background:var(--blue-soft)}.elapsed-line{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:24px 0 8px}.time-readout{display:flex;align-items:baseline;gap:10px}.time-readout>span:first-child{font-family:var(--mono);font-size:32px;line-height:1.2;font-weight:500;letter-spacing:-1.5px;color:var(--blue)}.time-readout>span:last-child{font-size:11px;color:var(--muted)}.numeric-time{display:flex;gap:6px;align-items:center;font-size:10px;color:#8e99a9}.numeric-time input{width:64px;border:1px solid var(--line);border-radius:4px;padding:4px 5px;font-family:var(--mono);font-size:11px}.time-slider{width:100%;accent-color:var(--blue);height:19px;cursor:ew-resize;display:block;margin:0}.ruler{display:flex;justify-content:space-between;color:#9aa4b1;font-family:var(--mono);font-size:9px;margin-top:3px}.timeline-legend{display:flex;flex-wrap:wrap;gap:16px;border-top:1px solid #f0f2f6;margin-top:17px;padding-top:14px;color:#8c97a6;font-size:9px}.timeline-legend>span{display:flex;align-items:center;gap:5px}.legend-dot{height:6px;width:6px;border-radius:2px;display:inline-block}.legend-dot.fresh{background:#6ab69b}.legend-dot.swr{background:#86a9e9}.legend-dot.sie{background:#e3b55f}.legend-dot.stale{background:#d4dce5}
.decision-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:17px}.policy-result{overflow:hidden}.result-heading{padding:17px 20px 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #f0f2f6}.result-name{display:flex;gap:8px;align-items:center;font-size:12px;font-weight:600}.letter{border-radius:4px;font-family:var(--mono);padding:1px 6px;background:#f1f3f6;color:#718094;font-size:10px}.result-b .letter,#result-b .letter{color:var(--blue);background:var(--blue-soft)}.result-heading .text-button{font-size:10px}.cache-row{padding:17px 20px 15px}.cache-row+.cache-row{border-top:1px solid #f0f2f6}.cache-title{display:flex;align-items:center;justify-content:space-between;gap:6px;color:var(--muted);font-size:10px;margin-bottom:10px}.cache-title .cache-kind{display:flex;align-items:center;gap:6px}.cache-icon{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:1.5}.state-pill{display:inline-flex;align-items:center;gap:5px;padding:3px 7px;border-radius:4px;font-size:9px;font-weight:550;color:#7d8898;background:#f2f4f7;line-height:1.45;text-align:right}.state-pill.fresh{background:var(--green-soft);color:#287b60}.state-pill.swr{background:var(--blue-soft);color:#4675c1}.state-pill.sie{background:var(--amber-soft);color:#a97a23}.state-pill.blocked,.state-pill.fetch{background:var(--rose-soft);color:#b6655f}.state-pill.revalidate,.state-pill.unknown{background:#f0f3f7;color:#68778d}.cache-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:10px 0 13px}.metric-value{font-size:20px;font-family:var(--mono);font-weight:450;letter-spacing:-.6px;line-height:1.5}.metric-name{display:block;font-size:9px;color:#9aa4b1}.metric-value>small{font-size:10px;font-weight:400;color:var(--muted);letter-spacing:0}.mini-timeline{height:10px;background:#f0f3f7;border-radius:4px;position:relative;overflow:visible;margin-bottom:8px}.timeline-segment{position:absolute;height:100%;top:0;min-width:0;border-radius:2px}.timeline-segment.fresh{background:#b5dfcc}.timeline-segment.swr{background:#c2d6f7}.timeline-segment.sie{background:#f3dfb6}.timeline-cursor{position:absolute;top:-4px;height:18px;width:2px;background:#334f77;transform:translateX(-1px);z-index:4}.timeline-cursor:before{content:"";position:absolute;top:-2px;left:-2px;width:6px;height:4px;background:#334f77;border-radius:1px}.timeline-caption{display:flex;justify-content:space-between;font-size:9px;font-family:var(--mono);color:#9aa4b1}.decision-reason{font-size:11px;line-height:1.7;color:#7d8999;margin-top:12px;min-height:38px;overflow-wrap:anywhere}.cache-action{margin-top:12px;display:flex;align-items:center;gap:6px;font-size:10px;color:#697d99}.cache-action span:first-child{font-size:13px;color:#92a7c6}.result-error{padding:28px 20px;color:#b6655f;font-size:12px}.takeaway-panel{display:flex;align-items:flex-start;gap:13px;padding:19px 21px;margin-top:17px;background:#f3f7ff;border-color:#dde7fa}.takeaway-icon{height:24px;width:24px;color:var(--blue);border:1px solid #d0def6;border-radius:6px;text-align:center;font-size:16px;flex-shrink:0}.takeaway-panel h2{color:#31598f;font-size:12px}.takeaway-panel p{color:#6d84a4;margin-top:5px;font-size:11px;line-height:1.8}
.inspect-panel{padding:20px;margin-top:17px}.inspect-panel .panel-heading{padding-bottom:17px;border-bottom:1px solid #f0f2f6}.inspect-panel select{padding:4px 7px;font-size:10px;background:#fafbfd}.inspect-tabs{display:flex;gap:5px;margin-top:14px}.inspect-tabs button{border:0;padding:5px 9px;border-radius:4px;font-size:10px;background:#f4f6f9;color:#8e99a9}.inspect-tabs button.active{background:var(--blue-soft);color:#4675c1}.step-list{padding:12px 0 0;list-style:none;margin:0}.step-list li{display:flex;gap:11px;padding:8px 0}.step-number{width:17px;height:17px;border-radius:50%;background:#f0f4fa;color:#8095b3;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:9px;flex-shrink:0;margin-top:1px}.step-list strong{display:block;font-size:11px;font-weight:550}.step-list p{font-size:10px;line-height:1.7;color:#8b96a7;margin-top:3px;overflow-wrap:anywhere}.warning{background:#fffbf2;border:1px solid #f4e8cb;padding:9px 11px;border-radius:5px;color:#a2864e;font-size:10px;line-height:1.7;margin-top:8px;overflow-wrap:anywhere}.notes{color:#8c98a9;font-size:10px;line-height:1.8;margin-top:10px;padding-top:10px;border-top:1px solid #f0f2f6}.directives{display:flex;gap:5px;flex-wrap:wrap;padding-top:12px}.directive{font-family:var(--mono);font-size:9px;padding:3px 6px;border:1px solid #e9edf4;background:#fafbfd;color:#8a95a6;border-radius:4px}.export-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0 16px}.export-row strong{display:block;font-size:11px;font-weight:550}.export-row>div>span{display:block;margin-top:4px;font-size:10px;color:#9aa4b1}.export-buttons{display:flex;gap:7px;flex-shrink:0}.button{border:1px solid #dce3ed;background:white;padding:8px 11px;border-radius:6px;font-size:10px;font-weight:500;white-space:nowrap}.button:hover{border-color:#aac1e8;background:#f8faff}.button.primary{border-color:var(--blue);background:var(--blue);color:#fff;box-shadow:0 2px 3px #dce6f8}.button.primary:hover{background:#1e55d0}.assumption{font-size:9px;color:#a0aab7;line-height:1.8;padding-bottom:7px}.footer-dot{padding:0 9px;color:#c3ccd8}footer{max-width:1280px;margin:36px auto 0;padding:20px 0 25px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:10px;color:#97a2b2}footer>div{display:flex;gap:22px}footer a:hover{color:var(--blue)}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#24344d;color:#fff;padding:10px 20px;border-radius:7px;font-size:12px;box-shadow:0 5px 20px #1a2d4722;z-index:10;max-width:90%;overflow-wrap:anywhere}dialog{border:1px solid var(--line);border-radius:14px;padding:27px;max-width:570px;width:calc(100% - 36px);color:var(--ink);box-shadow:0 20px 80px #0d213533}dialog::backdrop{background:#1d2e4855;backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.dialog-heading h2{font-size:19px}.dialog-heading button{background:none;border:0;color:#92a0b4;font-size:25px;line-height:1}.dialog-body p{color:var(--muted);font-size:12px;line-height:1.85;margin:11px 0}.dialog-body strong{color:var(--ink);font-weight:550}.dialog-body a{color:var(--blue);text-decoration:underline}.dialog-body code{background:#f2f5fa;padding:1px 4px;font-family:var(--mono);font-size:10px}.dialog-body ul{padding-left:20px;color:var(--muted);font-size:12px;line-height:1.9}
@media(min-width:1500px){.intro{padding-top:59px;padding-bottom:45px}.workspace{grid-template-columns:360px minmax(0,1fr);gap:25px}h1{font-size:49px}.topbar{padding-left:52px;padding-right:52px}}
@media(max-width:1100px){.topbar{padding:0 28px}.workspace{grid-template-columns:300px minmax(0,1fr);gap:17px}.cache-row{padding:15px}.result-heading{padding:15px}.cache-title{flex-wrap:wrap}.export-row{align-items:flex-start;flex-direction:column}.intro-note{margin-right:20px}.time-readout>span:last-child{max-width:90px;font-size:10px}.decision-reason{min-height:57px}footer{margin-left:28px;margin-right:28px}}
@media(max-width:850px){.workspace{grid-template-columns:1fr}.controls{display:grid;grid-template-columns:1fr 1fr;gap:16px}.context-panel{margin-top:0;align-self:start}.privacy-note{grid-column:1/-1;padding:0 5px 5px}.intro{padding-top:33px}.intro-note{display:none}h1{font-size:40px}.topbar{height:64px}.topbar nav{gap:15px}.offline{font-size:10px}.time-readout>span:last-child{max-width:none}.decision-reason{min-height:38px}.export-row{flex-direction:row;align-items:center}}
@media(max-width:580px){main{padding:0 16px}.topbar{padding:0 16px}.brand{font-size:18px}.brand img{width:26px;height:26px}.version,.offline,.desktop-break{display:none}.topbar nav{gap:12px}.intro{padding-top:30px;padding-bottom:27px}h1{font-size:39px}.subtitle{font-size:12px}.controls{grid-template-columns:1fr}.context-panel{padding:17px}.switch-row{padding-top:14px}.editor-panel .panel-heading{padding-top:17px}.time-panel{padding:20px 17px}.time-heading h2{font-size:15px}.elapsed-line{gap:10px}.numeric-time>span:first-child{display:none}.time-readout{gap:8px}.time-readout>span:first-child{font-size:28px}.time-readout>span:last-child{font-size:9px;max-width:100px}.decision-grid{gap:10px}.cache-row{padding:13px 12px}.result-heading{padding:13px 12px}.result-name{font-size:11px}.result-heading .text-button{font-size:9px}.cache-title{font-size:9px;gap:5px}.state-pill{font-size:8px}.cache-metrics{gap:6px}.metric-value{font-size:17px}.metric-name{font-size:8px}.decision-reason{font-size:10px;min-height:64px}.cache-action{font-size:9px;align-items:flex-start}.timeline-legend{gap:10px;font-size:8px}.takeaway-panel{padding:15px}.inspect-panel{padding:16px}.export-row{align-items:flex-start;flex-direction:column;gap:13px}.export-buttons{width:100%;justify-content:space-between}.button{font-size:10px;padding:8px 12px}footer{margin:23px 16px 0;flex-direction:column;gap:12px}.assumption{font-size:8px}.presets p{min-height:0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}