:root {
  --fringe-paper:#fffdf8;
  --fringe-stream:#eef3ec;
  --fringe-header:#41654a;
  --fringe-payload:#ad5f3c;
}

.fringe-page { min-height:100vh; }

.fringe-main { width:min(1020px,calc(100% - 48px)); margin:0 auto; padding:clamp(64px,9vw,108px) 0 28px; }
.fringe-intro { max-width:780px; padding-bottom:clamp(42px,6vw,70px); }
.fringe-intro-meta,.fringe-console-heading,.fringe-controls,.panel-heading { display:flex; align-items:center; justify-content:space-between; gap:20px; }
.fringe-breadcrumb { margin:0; color:var(--muted); font-size:12px; font-weight:700; }
.fringe-breadcrumb a { color:var(--accent); text-decoration-color:var(--accent); text-underline-offset:3px; }
.fringe-breadcrumb span { padding:0 5px; color:var(--line); }
.github-banner { display:inline-flex; flex:none; align-items:center; gap:6px; padding:7px 10px; color:var(--paper); background:var(--ink); font-size:12px; font-weight:700; line-height:1; text-decoration:none; transition:background-color 180ms ease; }
.github-banner:hover,.github-banner:focus-visible { color:var(--paper); background:var(--accent); }
.github-banner span,.send-button span { transition:transform 180ms ease; }
.github-banner:hover span,.github-banner:focus-visible span,.send-button:hover span { transform:translateX(3px); }
.fringe-intro h1 { margin:17px 0 15px; font-size:clamp(40px,6vw,72px); line-height:.92; letter-spacing:-.055em; }
.fringe-lede { max-width:740px; margin:0; color:var(--body); font-size:clamp(17px,2.1vw,21px); line-height:1.45; }

.fringe-console { padding:clamp(25px,4vw,42px); background:var(--fringe-paper); box-shadow:0 15px 35px rgba(32,35,31,.08); }
.fringe-console-heading { align-items:flex-end; padding-bottom:20px; border-bottom:1px solid var(--line); }
.fringe-console-heading h2,.fringe-notes h2 { margin:0 0 7px; font-size:21px; letter-spacing:-.025em; }
.fringe-console-heading p { max-width:600px; margin:0; color:var(--muted); font-size:14px; }
.fringe-format { display:flex; flex:none; align-items:center; gap:7px; color:var(--accent); font-size:12px; font-variant-numeric:tabular-nums; }
.fringe-format b { font-weight:700; }.fringe-format span { color:var(--warm); }

.frame-catalog { padding:22px 0; border-bottom:1px solid var(--line); }
.frame-catalog-heading { display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin-bottom:15px; }.frame-catalog-heading h3 { margin:3px 0 0; font-size:16px; letter-spacing:-.015em; }.frame-catalog-heading > p { max-width:320px; margin:0; color:var(--muted); font-size:12px; text-align:right; }
.frame-list { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px; padding:0; margin:0; list-style:none; }.frame-list > li { min-width:0; padding:11px; background:var(--fringe-stream); }
.source-message { display:flex; align-items:baseline; gap:7px; padding-bottom:9px; border-bottom:1px solid rgba(65,101,74,.18); }.source-message span { color:var(--warm); font-size:10px; font-weight:700; }.source-message code { overflow:hidden; color:var(--body); font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:12px; text-overflow:ellipsis; white-space:nowrap; }
.frame-parts { display:grid; gap:6px; padding-top:9px; }.frame-part { display:grid; gap:2px; min-width:0; padding:6px; }.frame-part b { font-size:9px; letter-spacing:.04em; text-transform:uppercase; }.frame-part code { overflow:hidden; color:var(--paper); font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:10px; text-overflow:ellipsis; white-space:nowrap; }.frame-part.prefix { color:var(--paper); background:var(--fringe-header); }.frame-part.length { color:#24482e; background:#c7ddc5; }.frame-part.length code { color:#24482e; }.frame-part.payload { color:var(--paper); background:var(--fringe-payload); }

.fringe-controls { justify-content:flex-start; flex-wrap:wrap; padding:18px 0; border-bottom:1px solid var(--line); }
.fringe-controls button { min-height:38px; border:1px solid var(--line); border-radius:5px; font:700 13px var(--sans); cursor:pointer; }
.send-button { display:inline-flex; align-items:center; gap:7px; padding:8px 13px; border-color:var(--accent)!important; color:var(--paper); background:var(--accent); }
.send-button:hover:not(:disabled) { background:#315a3e; }
.quiet-button { padding:8px 12px; color:var(--body); background:transparent; }
.quiet-button:hover:not(:disabled) { border-color:var(--accent); color:var(--accent); background:#f5f8f2; }
.fringe-controls button:disabled { opacity:.45; cursor:not-allowed; }
.fringe-controls > p { margin:0 0 0 auto; color:var(--muted); font-size:12px; font-variant-numeric:tabular-nums; }

.fringe-workbench { display:grid; grid-template-columns:minmax(0,1.35fr) minmax(260px,.85fr); border-bottom:1px solid var(--line); }
.stream-panel,.parser-panel { padding:25px 0; }.stream-panel { padding-right:28px; border-right:1px solid var(--line); }.parser-panel { padding-left:28px; }
.panel-heading { align-items:flex-start; margin-bottom:16px; }.panel-heading h3 { margin:3px 0 0; font-size:16px; letter-spacing:-.015em; }.panel-label { margin:0; color:var(--warm); font-size:10px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; }.panel-note,.parser-state { flex:none; color:var(--muted); font-size:11px; }.parser-state { padding:4px 6px; color:var(--accent); background:var(--fringe-stream); font-weight:700; }
.stream-trace { display:grid; gap:8px; min-height:170px; padding:12px; background:var(--fringe-stream); }
.stream-empty { align-self:center; max-width:260px; margin:auto; color:var(--muted); font-size:13px; text-align:center; }
.fragment { display:grid; grid-template-columns:62px minmax(0,1fr); align-items:center; gap:9px; }.fragment-index { color:var(--muted); font-size:10px; font-variant-numeric:tabular-nums; }.fragment-bytes { display:flex; flex-wrap:wrap; gap:3px; min-width:0; }.byte { min-width:26px; padding:5px 3px; color:var(--paper); font:700 10px ui-monospace,SFMono-Regular,Menlo,monospace; line-height:1; text-align:center; }.byte.header { background:var(--fringe-header); }.byte.payload { background:var(--fringe-payload); }
.stream-legend { display:flex; flex-wrap:wrap; gap:13px; padding-top:12px; color:var(--muted); font-size:11px; }.stream-legend span { display:inline-flex; align-items:center; gap:5px; }.stream-legend i { display:inline-block; width:9px; height:9px; }.header-byte { background:var(--fringe-header); }.payload-byte { background:var(--fringe-payload); }.fragment-break { width:2px!important; background:var(--line); }
.message-output { display:grid; gap:8px; min-height:170px; padding:0; margin:0; list-style:none; }.message-output li:not(.message-empty) { display:grid; grid-template-columns:20px minmax(0,1fr) auto; align-items:center; gap:8px; padding:9px 0; border-bottom:1px solid var(--line); }.message-output li > span { color:var(--warm); font-size:11px; font-weight:700; }.message-output code { overflow:hidden; color:var(--body); font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:12px; text-overflow:ellipsis; white-space:nowrap; }.message-output b { color:var(--accent); font-size:10px; }.message-empty { align-self:center; color:var(--muted); font-size:13px; line-height:1.45; }
.fringe-anatomy { padding-top:20px; }.fringe-anatomy p { max-width:770px; margin:0; color:var(--body); font-size:14px; }.fringe-anatomy code,.fringe-notes code { padding:1px 4px; color:var(--accent); background:rgba(65,101,74,.09); font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:.86em; }
.fringe-notes { display:grid; grid-template-columns:160px minmax(0,1fr); gap:32px; padding:clamp(42px,6vw,70px) 0; }.fringe-notes p { max-width:670px; margin:0; color:var(--body); font-size:16px; }.fringe-notes p + p { margin-top:14px; }

@media (max-width:700px) {
  .fringe-main { width:min(100% - 32px,600px); padding-top:52px; }.fringe-intro-meta,.fringe-console-heading { align-items:flex-start; flex-direction:column; }.fringe-intro-meta { gap:10px; }.fringe-console { margin-right:-8px; margin-left:-8px; padding:24px 16px; }.fringe-console-heading { gap:8px; }.frame-catalog-heading { align-items:flex-start; flex-direction:column; gap:7px; }.frame-catalog-heading > p { max-width:none; text-align:left; }.frame-list { grid-template-columns:1fr; }.fringe-controls { align-items:flex-start; gap:8px; }.fringe-controls > p { width:100%; margin:4px 0 0; }.fringe-workbench { display:block; }.stream-panel { padding-right:0; border-right:0; border-bottom:1px solid var(--line); }.parser-panel { padding-left:0; }.stream-panel,.parser-panel { padding-top:22px; padding-bottom:22px; }.panel-heading { gap:10px; }.panel-note { text-align:right; }.fringe-notes { display:block; }.fringe-notes h2 { margin-bottom:13px; }
}