/* Sluice POC — light background, navy text, teal accent. No external assets. */
:root {
  --bg: #f2f7f9;
  --panel: #ffffff;
  --ink: #12314f;
  --muted: #587287;
  --line: #d3e1e9;
  --teal: #0e8f84;
  --teal-ink: #0a6f66;
  --teal-soft: #e4f4f1;
  --deny: #b3261e;
  --deny-soft: #fbeceb;
  --focus: #0e8f84;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: baseline;
  justify-content: space-between;
  max-width: 920px;
  margin: 0 auto;
  padding: 20px 16px 4px;
}

h1 { font-size: 1.35rem; margin: 0; letter-spacing: -0.01em; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: 0.86rem; }

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 12px 16px 8px;
  display: grid;
  gap: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
}

h2 { font-size: 1rem; margin: 0 0 12px; }

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin: 0 0 4px;
}

input, select {
  width: 100%;
  min-height: 40px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfe;
  color: var(--ink);
  font: inherit;
}

input[readonly] { font-family: var(--mono); font-size: 0.82rem; color: var(--muted); }

input:focus-visible, select:focus-visible, button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}

.grid2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}
.span2 { grid-column: 1 / -1; }

.row { display: flex; gap: 8px; }
.row input { flex: 1; min-width: 0; }

button {
  font: inherit;
  font-weight: 600;
  min-height: 40px;
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid var(--teal);
  background: var(--teal);
  color: #fff;
  cursor: pointer;
}
button:hover { background: var(--teal-ink); border-color: var(--teal-ink); }
button.ghost {
  background: transparent;
  color: var(--teal-ink);
  border-color: var(--line);
}
button.ghost:hover { border-color: var(--teal); background: var(--teal-soft); }
button:disabled { opacity: 0.5; cursor: default; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }

.hint { color: var(--muted); font-size: 0.8rem; margin: 4px 0 0; }

.status { font-size: 0.88rem; margin: 12px 0 0; min-height: 1.4em; }
.status.err { color: var(--deny); }
.status.ok { color: var(--teal-ink); }

.pill {
  align-self: center;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #eef4f7;
  color: var(--muted);
  white-space: nowrap;
}
.pill.ok { background: var(--teal-soft); color: var(--teal-ink); border-color: #b8e0da; }
.pill.warn { background: #fdf3e4; color: #8a5a13; border-color: #ecd3a8; }

.diagram-scroll { overflow-x: auto; }
#diagram { display: block; width: 100%; min-width: 620px; height: auto; }

.node rect {
  fill: #fff;
  stroke: var(--line);
  stroke-width: 1.5;
  cursor: pointer;
}
.node .t { font-size: 13.5px; font-weight: 600; fill: var(--ink); pointer-events: none; }
.node .s { font-size: 10.5px; fill: var(--muted); pointer-events: none; }
.node .dot { fill: #c4d4de; }
.node text { user-select: none; }

.node:focus { outline: none; }
.node:focus-visible rect { stroke: var(--teal); stroke-width: 2.5; }
.node.selected rect { stroke: var(--teal); stroke-width: 2; }
.node.ok rect { stroke: var(--teal); fill: var(--teal-soft); }
.node.ok .dot { fill: var(--teal); }
.node.node-deny rect { stroke: #e3b4b0; }
.node.deny rect { stroke: var(--deny); fill: var(--deny-soft); }
.node.deny .dot { fill: var(--deny); }
/* Replay: the response carries the stored original trace; dimmed teal marks
   "from storage", never a fresh execution. */
.node.stored rect { stroke: #7fb0a9; fill: #f2f8f7; }
.node.stored .dot { fill: #7fb0a9; }

line { stroke: #7d99ab; stroke-width: 1.6; }
.deny-line { stroke: var(--deny); stroke-dasharray: 4 4; }
.deny-label { font-size: 10.5px; fill: var(--deny); }

.planned-box rect {
  fill: none;
  stroke: var(--line);
  stroke-dasharray: 4 4;
}
.planned-text { font-size: 10.5px; fill: var(--muted); }

/* Compact vertical flow list — narrow viewports, same nodes/states as the
   SVG (shared data-node ids and state classes). */
.diagram-list { display: none; }
.diagram-list ol { list-style: none; margin: 0; padding: 0; }
.diagram-list .connector { text-align: center; color: #7d99ab; font-size: 0.78rem; padding: 3px 0; }
.diagram-list .branch-label { color: var(--deny); font-size: 0.74rem; margin: 4px 0 2px 20px; }
.diagram-list li.branch { margin-left: 20px; }
.diagram-list .planned-line {
  color: var(--muted);
  font-size: 0.74rem;
  border: 1px dashed var(--line);
  border-radius: 7px;
  padding: 6px 10px;
  margin: 12px 0 0;
}

.lnode {
  display: block;
  width: 100%;
  text-align: left;
  min-height: 0;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  color: var(--ink);
  font-weight: 400;
}
.lnode:hover { border-color: var(--teal); background: var(--teal-soft); }
.lnode .t { display: block; font-weight: 600; font-size: 0.88rem; }
.lnode .s { display: block; color: var(--muted); font-size: 0.76rem; }
.lnode.is-deny { border-color: #e3b4b0; }
.lnode.selected { border-color: var(--teal); box-shadow: inset 0 0 0 1.5px var(--teal); }
.lnode.ok { border-color: var(--teal); background: var(--teal-soft); }
.lnode.deny { border-color: var(--deny); background: var(--deny-soft); }
.lnode.stored { border-color: #7fb0a9; background: #f2f8f7; }

@media (max-width: 640px) {
  .diagram-scroll { display: none; }
  .diagram-list { display: block; }
}

#node-detail .dt { font-weight: 700; margin: 0 0 6px; }
#node-detail h3 { font-size: 0.95rem; margin: 0 0 6px; }
#node-detail dl { margin: 0; }
#node-detail dt { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); margin-top: 10px; }
#node-detail dd { margin: 2px 0 0; font-size: 0.9rem; }
#node-detail pre {
  background: #f6fafb;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.78rem;
  margin: 6px 0 0;
}
.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 2px 9px;
  margin-left: 8px;
  vertical-align: middle;
}
.badge.impl { background: var(--teal-soft); color: var(--teal-ink); }
.badge.plan { background: #eef2f5; color: var(--muted); }

.json {
  background: #10314e;
  color: #d9e8f2;
  border-radius: 8px;
  padding: 12px;
  overflow: auto;
  max-height: 340px;
  font-family: var(--mono);
  font-size: 0.76rem;
  margin: 10px 0 0;
}

#verify-out { font-size: 0.88rem; }
#verify-out .vrow { display: flex; gap: 8px; align-items: baseline; margin: 4px 0; }
#verify-out .pass { color: var(--teal-ink); font-weight: 700; }
#verify-out .fail { color: var(--deny); font-weight: 700; }

.replay-banner {
  border: 1px dashed #7fb0a9;
  background: #f2f8f7;
  color: var(--teal-ink);
  font-size: 0.82rem;
  border-radius: 9px;
  padding: 10px 12px;
  margin: 0 0 10px;
}

footer {
  max-width: 920px;
  margin: 0 auto;
  padding: 4px 16px 28px;
  color: var(--muted);
  font-size: 0.78rem;
}
footer p { border-top: 1px solid var(--line); padding-top: 12px; }

@media (max-width: 420px) {
  .card { padding: 12px; }
  .actions button { flex: 1 1 auto; }
}

/* ---------- §0 guided tour ---------- */
#tour h3 { font-size: 0.92rem; margin: 18px 0 8px; }
#tour h4 { font-size: 0.88rem; margin: 0 0 6px; }
#tour > p { font-size: 0.88rem; }

#tour .cast {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  margin: 0 0 4px;
}
#tour .cast div {
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 10px 12px;
  background: #fbfdfe;
}
#tour .cast b { display: block; font-size: 0.86rem; }
#tour .cast span { display: block; color: var(--muted); font-size: 0.8rem; margin-top: 2px; }

.tour-step {
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  border-radius: 9px;
  padding: 12px 14px;
  margin: 10px 0;
}
.tour-step p { margin: 6px 0; font-size: 0.88rem; }
.tour-step .do {
  background: var(--teal-soft);
  border-radius: 8px;
  padding: 8px 10px;
}
.tour-step .nec { color: var(--muted); font-size: 0.82rem; }

table.tok {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  margin: 6px 0 2px;
}
table.tok th, table.tok td {
  border: 1px solid var(--line);
  padding: 7px 9px;
  text-align: left;
  vertical-align: top;
}
table.tok th {
  background: #eef4f7;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
table.tok code {
  font-family: var(--mono);
  font-size: 0.74rem;
  word-break: break-all;
}
button.copy { min-height: 0; padding: 3px 10px; font-size: 0.74rem; }

.plainul { margin: 6px 0 0; padding-left: 20px; font-size: 0.86rem; }
.plainul li { margin: 4px 0; }