/* Flows by mode. Uses the tokens of colors_and_type.css only. Every class is prefixed fx-
   so the file can sit next to the site's own styles.css without clashes. No inline styles. */

.fx {
  --fx-warn-ink: var(--v-warn-deep, #b45309);
  --fx-warn-bg: var(--v-warn-tint, rgba(180, 83, 9, 0.08));
  --fx-warn-line: var(--v-warn-border, rgba(180, 83, 9, 0.18));
  --fx-band: rgba(51, 73, 179, 0.045);
  --fx-lane-1: #3349b3;
  --fx-lane-2: #0f766e;
  --fx-lane-3: #b45309;
  --fx-lane-4: #6d28d9;
  --fx-card: var(--v-surface, #ffffff);
  --fx-gap: 12px;
  margin: 0;
  font-family: var(--v-font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--v-text);
  background: var(--v-bg);
  -webkit-font-smoothing: antialiased;
}
[data-v-theme="midnight"] .fx {
  --fx-warn-ink: #fbbf24;
  --fx-warn-bg: rgba(245, 158, 11, 0.14);
  --fx-warn-line: rgba(245, 158, 11, 0.4);
  --fx-band: rgba(114, 135, 255, 0.07);
  --fx-lane-1: #8ca0ff;
  --fx-lane-2: #5eead4;
  --fx-lane-3: #fbbf24;
  --fx-lane-4: #c4b5fd;
}
.fx *, .fx *::before, .fx *::after { box-sizing: border-box; }
.fx a { color: inherit; }
.fx button { font: inherit; }
.fx :focus-visible { outline: 3px solid var(--v-primary-2, #4359c2); outline-offset: 2px; }
.fx-shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.fx-sr { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.fx-skip { position: absolute; left: 12px; top: -60px; z-index: 20; padding: 10px 14px; border-radius: 10px; background: var(--v-primary); color: #fff; text-decoration: none; }
.fx-skip:focus { top: 10px; }

/* top bar */
.fx-top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--v-bg) 92%, transparent); border-bottom: 1px solid var(--v-border); backdrop-filter: blur(12px); }
.fx-nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.fx-brand img { display: block; width: 142px; height: auto; }
[data-v-theme="midnight"] .fx-brand { padding: 4px 10px; border-radius: 10px; background: #eef1f6; }
.fx-tools { display: inline-flex; gap: 6px; }
.fx-tool { border: 1px solid var(--v-border-strong); border-radius: 999px; background: var(--v-surface); color: var(--v-text-soft, var(--v-muted)); padding: 8px 14px; min-height: 40px; cursor: pointer; font-size: .85rem; }
.fx-tool:hover { color: var(--v-primary); border-color: var(--v-primary); }
.fx-tool[aria-pressed="true"] { color: var(--v-primary); border-color: var(--v-primary); }

/* intro */
.fx-intro { padding: 44px 0 12px; }
.fx-eyebrow { margin: 0 0 12px; font-family: var(--v-font-mono); font-size: .76rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; color: var(--v-primary); }
.fx h1, .fx h2, .fx h3, .fx h4 { font-family: var(--v-font-head); margin: 0; letter-spacing: -.02em; line-height: 1.15; color: var(--v-text); }
.fx h1 { max-width: 880px; font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 600; }
.fx h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 600; }
.fx h3 { font-size: 1.15rem; font-weight: 600; }
.fx-lead { max-width: 780px; margin: 18px 0 0; font-size: 1.1rem; color: var(--v-text-soft, var(--v-muted)); }
.fx-demo-note { max-width: 780px; margin: 14px 0 0; padding: 12px 14px; border: 1px solid var(--fx-warn-line); border-left-width: 4px; border-radius: var(--v-radius); background: var(--fx-warn-bg); color: var(--v-text); font-size: .95rem; }
.fx-sub { max-width: 820px; margin: 10px 0 18px; color: var(--v-text-soft, var(--v-muted)); }

/* controls */
.fx-controls { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 18px 28px; padding: 22px 0 8px; }
.fx-tabs { display: flex; flex-wrap: wrap; gap: 10px; flex: 1 1 560px; }
.fx-tab { flex: 1 1 150px; display: flex; flex-direction: column; align-items: flex-start; gap: 2px; text-align: left; padding: 12px 14px; min-height: 64px; border: 1px solid var(--v-border-strong); border-radius: var(--v-radius); background: var(--v-surface); color: var(--v-text); cursor: pointer; box-shadow: var(--v-elev-raised-sm); }
.fx-tab-name { font-family: var(--v-font-head); font-weight: 650; font-size: 1rem; }
.fx-tab-hint { font-size: .82rem; color: var(--v-muted); }
.fx-tab:hover { border-color: var(--v-primary); }
.fx-tab[aria-selected="true"] { background: var(--v-primary); border-color: var(--v-primary); color: #fff; }
[data-v-theme="midnight"] .fx-tab[aria-selected="true"] { color: #07111f; }
.fx-tab[aria-selected="true"] .fx-tab-hint { color: inherit; opacity: .85; }
.fx-compose { flex: 1 1 320px; margin: 0; padding: 12px 16px 14px; border: 1px solid var(--v-border-strong); border-radius: var(--v-radius); background: var(--v-surface); min-width: 0; }
.fx-compose legend { padding: 0 6px; font-family: var(--v-font-mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--v-muted); }
.fx-check { display: flex; align-items: center; gap: 10px; min-height: 40px; cursor: pointer; }
.fx-check input { width: 20px; height: 20px; accent-color: var(--v-primary); flex: none; }
.fx-check-master { font-weight: 650; }
.fx-compose-modes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 14px; margin: 2px 0 4px 4px; }
.fx-compose-modes .fx-check[data-off="true"] { opacity: .5; cursor: not-allowed; }
.fx-hint { margin: 6px 0 0; font-size: .85rem; color: var(--v-muted); }
.fx-warn { margin: 10px 0 0; padding: 12px 14px; border: 1px solid var(--fx-warn-line); border-left-width: 4px; border-radius: var(--v-radius); background: var(--fx-warn-bg); font-weight: 550; }

/* summary */
.fx-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; padding: 18px 0 8px; }
.fx-stat { padding: 14px 16px; border: 1px solid var(--v-border); border-radius: var(--v-radius-lg); background: var(--v-surface); box-shadow: var(--v-elev-raised-sm); }
.fx-stat-k { font-family: var(--v-font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--v-muted); }
.fx-stat-v { margin-top: 6px; font-family: var(--v-font-head); font-size: 1.6rem; font-weight: 650; color: var(--v-primary); line-height: 1.1; }
.fx-stat-v.fx-stat-text { font-size: 1.05rem; line-height: 1.3; }
.fx-stat-n { margin-top: 6px; font-size: .8rem; color: var(--v-muted); }

/* the board */
.fx-flow { padding: 14px 0 6px; }
.fx-flow:focus { outline: none; }
.fx-board { position: relative; }
.fx-bands { position: absolute; inset: 0; z-index: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--fx-gap); pointer-events: none; }
.fx-band { border-radius: var(--v-radius-lg); background: var(--fx-band); border-left: 2px solid transparent; }
.fx-band.lane-1 { border-left-color: var(--fx-lane-1); }
.fx-band.lane-2 { border-left-color: var(--fx-lane-2); }
.fx-band.lane-3 { border-left-color: var(--fx-lane-3); }
.fx-band.lane-4 { border-left-color: var(--fx-lane-4); }
.fx-lanehead { position: sticky; top: 68px; z-index: 3; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--fx-gap); margin-bottom: 14px; }
.fx-lanehead > div { padding: 10px 12px; border: 1px solid var(--v-border-strong); border-radius: var(--v-radius); background: var(--v-surface); font-family: var(--v-font-head); font-weight: 650; font-size: .92rem; }
.fx-lanehead .lane-1 { border-top: 4px solid var(--fx-lane-1); }
.fx-lanehead .lane-2 { border-top: 4px solid var(--fx-lane-2); }
.fx-lanehead .lane-3 { border-top: 4px solid var(--fx-lane-3); }
.fx-lanehead .lane-4 { border-top: 4px solid var(--fx-lane-4); }
.fx-group { position: relative; z-index: 1; margin: 0 0 22px; }
.fx-group-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin: 0 0 12px; padding: 10px 14px; border: 1px solid var(--v-border-strong); border-radius: var(--v-radius); background: var(--v-bg); }
.fx-group-sub { font-size: .88rem; color: var(--v-muted); }
.fx-steps { list-style: none; margin: 0; padding: 0; }
.fx-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--fx-gap); margin: 0 0 14px; }
.fx-card { grid-row: 1; min-width: 0; padding: 14px 14px 12px; border: 1px solid var(--v-border-strong); border-top: 4px solid var(--fx-lane-1); border-radius: var(--v-radius-lg); background: var(--fx-card); box-shadow: var(--v-elev-raised-sm); }
.fx-card.lane-1 { grid-column: 1; border-top-color: var(--fx-lane-1); }
.fx-card.lane-2 { grid-column: 2; border-top-color: var(--fx-lane-2); }
.fx-card.lane-3 { grid-column: 3; border-top-color: var(--fx-lane-3); }
.fx-card.lane-4 { grid-column: 4; border-top-color: var(--fx-lane-4); }
.fx-head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; margin-bottom: 8px; }
.fx-num { flex: none; display: inline-grid; place-items: center; min-width: 30px; height: 30px; padding: 0 8px; border-radius: 999px; background: var(--v-primary); color: #fff; font-family: var(--v-font-mono); font-size: .85rem; font-weight: 600; }
[data-v-theme="midnight"] .fx-num { color: #07111f; }
.fx-actor { font-family: var(--v-font-head); font-weight: 650; font-size: .95rem; }
.fx-tag { display: inline-block; padding: 2px 8px; border: 1px solid var(--v-border-strong); border-radius: 999px; font-size: .72rem; color: var(--v-muted); white-space: nowrap; }
.fx-tag.fx-tag-sig { border-color: var(--v-primary); color: var(--v-primary); font-weight: 600; }
.fx-action { margin: 0 0 10px; font-size: .94rem; }
.fx-k { display: block; margin: 8px 0 3px; font-family: var(--v-font-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--v-muted); }
.fx-templates { display: flex; flex-wrap: wrap; gap: 5px; }
.fx-templates code { display: inline-block; padding: 2px 7px; border: 1px solid var(--v-border-strong); border-radius: 8px; background: var(--v-bg3, var(--v-bg)); font-size: .72rem; overflow-wrap: anywhere; }
.fx-none { font-size: .84rem; color: var(--v-muted); }
.fx-badges { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.fx-badge { display: block; padding: 6px 10px; border: 1px solid var(--v-border-strong); border-radius: 10px; font-size: .8rem; line-height: 1.35; }
.fx-badge small { display: block; margin-top: 1px; font-size: .75rem; opacity: .9; }
.fx-badge-demo { border-color: var(--fx-warn-line); background: var(--fx-warn-bg); color: var(--fx-warn-ink); font-weight: 600; }
.fx-badge-wallet { border-color: var(--v-primary); background: var(--v-primary-tint, rgba(51, 73, 179, 0.08)); color: var(--v-primary); font-weight: 600; }
.fx-badge-none { color: var(--v-muted); }
.fx-badge-real { border-style: dashed; color: var(--v-text-soft, var(--v-muted)); }
.fx-seen ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 3px; }
.fx-seen li { font-size: .82rem; line-height: 1.4; }
.fx-seen b { font-weight: 650; }
.fx-meta { margin-top: 8px; font-size: .76rem; color: var(--v-muted); }

/* legend, composition box */
.fx-legend, .fx-compbox, .fx-vis, .fx-limits { margin-top: 26px; }
.fx-legend { padding: 14px 16px; border: 1px solid var(--v-border-strong); border-radius: var(--v-radius-lg); background: var(--v-surface); }
.fx-legend h2 { font-size: 1.05rem; margin-bottom: 6px; }
.fx-legend p { margin: 0; font-size: .92rem; color: var(--v-text-soft, var(--v-muted)); }
.fx-compbox { padding: 18px 20px; border: 1px solid var(--v-border-strong); border-radius: var(--v-radius-xl); background: var(--v-surface); box-shadow: var(--v-elev-raised-sm); }
.fx-comp-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 14px; }
.fx-comp-grid h3 { font-size: .95rem; margin-bottom: 6px; }
.fx-comp-grid ul { margin: 0; padding-left: 18px; font-size: .9rem; }
.fx-comp-grid li { margin-bottom: 4px; }
.fx-label-ok { display: inline-block; margin-top: 6px; padding: 8px 12px; border: 1px solid var(--v-primary); border-radius: 10px; background: var(--v-primary-tint, rgba(51, 73, 179, 0.08)); color: var(--v-primary); font-weight: 650; }
.fx-comp-note { margin: 14px 0 0; font-size: .9rem; color: var(--v-text-soft, var(--v-muted)); }

/* visibility table */
.fx-table { width: 100%; border-collapse: separate; border-spacing: 0; border: 1px solid var(--v-border-strong); border-radius: var(--v-radius-lg); overflow: hidden; background: var(--v-surface); }
.fx-table th, .fx-table td { padding: 12px 14px; text-align: left; vertical-align: top; font-size: .92rem; border-bottom: 1px solid var(--v-border); }
.fx-table th { font-family: var(--v-font-mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--v-muted); background: var(--v-bg3, var(--v-bg)); }
.fx-table tr:last-child td { border-bottom: 0; }
.fx-table tr[data-picked="true"] td { background: var(--v-primary-tint, rgba(51, 73, 179, 0.08)); }
.fx-table td:first-child { font-weight: 650; font-family: var(--v-font-head); }

/* limits */
.fx-limits-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 18px; margin-top: 14px; align-items: start; }
.fx-lim { padding: 18px 20px; border: 1px solid var(--v-border-strong); border-radius: var(--v-radius-xl); background: var(--v-surface); }
.fx-lim h3 { margin-bottom: 8px; }
.fx-lim ul { margin: 0; padding-left: 20px; }
.fx-lim li { margin-bottom: 8px; font-size: .94rem; }
.fx-lim-shows { border-left: 4px solid var(--v-success, #22d3a0); }
.fx-lim-not { border-left: 4px solid var(--v-danger, #dc2626); }
.fx-footer { margin-top: 44px; padding: 28px 0 44px; border-top: 1px solid var(--v-border); color: var(--v-muted); font-size: .9rem; }
.fx-footer p { margin: 0; }

/* narrower screens: the lanes become a single column, the lane shows as colour and indent */
@media (max-width: 1000px) {
  .fx-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fx-bands, .fx-lanehead { display: none; }
  .fx-row { display: block; margin-bottom: 12px; }
  .fx-card { border-top-width: 1px; border-left: 5px solid var(--fx-lane-1); }
  .fx-card.lane-1 { margin-left: 0; border-left-color: var(--fx-lane-1); border-top-color: var(--v-border-strong); }
  .fx-card.lane-2 { margin-left: 18px; border-left-color: var(--fx-lane-2); border-top-color: var(--v-border-strong); }
  .fx-card.lane-3 { margin-left: 36px; border-left-color: var(--fx-lane-3); border-top-color: var(--v-border-strong); }
  .fx-card.lane-4 { margin-left: 54px; border-left-color: var(--fx-lane-4); border-top-color: var(--v-border-strong); }
  .fx-comp-grid { grid-template-columns: 1fr; }
  .fx-limits-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .fx-shell { width: calc(100% - 24px); }
  .fx-intro { padding-top: 28px; }
  .fx-summary { grid-template-columns: 1fr; }
  .fx-compose-modes { grid-template-columns: 1fr; }
  .fx-card.lane-2 { margin-left: 8px; }
  .fx-card.lane-3 { margin-left: 16px; }
  .fx-card.lane-4 { margin-left: 24px; }
  .fx-tab { flex-basis: calc(50% - 5px); }
  .fx-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .fx-table, .fx-table tbody, .fx-table tr, .fx-table td { display: block; width: 100%; }
  .fx-table tr { border-bottom: 1px solid var(--v-border-strong); }
  .fx-table td { border: 0; padding: 6px 14px; }
  .fx-table td::before { content: attr(data-label); display: block; font-family: var(--v-font-mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; color: var(--v-muted); }
  .fx-brand img { width: 120px; }
}
@media (prefers-reduced-motion: reduce) { .fx * { scroll-behavior: auto !important; transition: none !important; } }