/* Layout: a key-ceremony sheet. Ink header slab, seed strip, the tree beside a sticky inspector, publishable files underneath.
   Raw concrete and black rule; hazard yellow marks the selection and anything secret. Everything is set in the system monospace. */
:root {
  --concrete: #e4e3dd;
  --slab: #f6f5f1;
  --ink: #141414;
  --ink-2: #4a4944;
  --ink-3: #66655f;
  --signal: #ffc21a;
  --on-signal: #141414;
  --tape: #141414;
  --ok: #1d7a3a;
  --danger: #b3261e;
  --focus: #2346ff;
  --band: #141414;
  --band-fg: #f6f5f1;
  --band-muted: #b0afa8;
  --shadow: #141414;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", "DejaVu Sans Mono", monospace;
  --display: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --t-xs: 0.75rem;
  --t-s: 0.8125rem;
  --t-m: 0.9375rem;
  --t-l: 1.25rem;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --concrete: #151514; --slab: #1e1e1c; --ink: #ecebe4; --ink-2: #b9b8b0; --ink-3: #94938b;
    --ok: #62c784; --danger: #ff8a7f; --focus: #93a8ff; --band: #0b0b0a; --band-fg: #ecebe4;
    --band-muted: #9d9c95; --shadow: #4d4c47; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --concrete: #151514; --slab: #1e1e1c; --ink: #ecebe4; --ink-2: #b9b8b0; --ink-3: #94938b;
  --ok: #62c784; --danger: #ff8a7f; --focus: #93a8ff; --band: #0b0b0a; --band-fg: #ecebe4;
  --band-muted: #9d9c95; --shadow: #4d4c47; color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--concrete); color: var(--ink); font: 400 var(--t-m)/1.5 var(--mono); }
::selection { background: var(--signal); color: var(--on-signal); }
button, select, input, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
code { font: inherit; font-weight: 700; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* header slab */
.band { background: var(--band); color: var(--band-fg); border-bottom: 3px solid var(--ink); }
.band-in {
  max-width: 1240px; margin: 0 auto; padding-block: 22px 20px;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
  display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: flex-end; justify-content: space-between;
}
.wordmark { margin: 0; font: 900 clamp(3.25rem, 11vw, 7rem)/0.82 var(--display); letter-spacing: -0.05em; text-transform: uppercase; }
.lede { margin: 12px 0 0; color: var(--band-muted); font-size: var(--t-s); max-width: 58ch; }
.lede b { color: var(--band-fg); }
.flags { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.flag {
  font: 700 var(--t-xs)/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase;
  padding: 7px 9px 6px; border: 2px solid var(--band-fg); background: transparent; color: var(--band-fg);
}
.flag.hz { background: var(--signal); border-color: var(--signal); color: var(--on-signal); }
button.flag { cursor: pointer; }
button.flag:hover { background: var(--band-fg); color: var(--band); }

/* page */
.wrap {
  max-width: 1240px; margin: 0 auto; padding-block: 40px 56px;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
  display: grid; gap: 44px;
}
.blk { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; }
.blk > .panel { align-self: stretch; }
.tab {
  margin: 0; background: var(--ink); color: var(--slab); font: 700 var(--t-xs)/1 var(--mono);
  letter-spacing: 0.14em; text-transform: uppercase; padding: 8px 11px 7px; display: flex; gap: 12px; max-width: 100%;
}
.tab .sub { font-weight: 400; letter-spacing: 0.06em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.panel { background: var(--slab); border: 3px solid var(--ink); box-shadow: 8px 8px 0 var(--shadow); min-width: 0; }
.pad { padding: 18px; }

/* buttons */
.btn {
  font: 700 var(--t-s)/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase;
  padding: 10px 12px 9px; background: var(--slab); color: var(--ink); border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--shadow); cursor: pointer; border-radius: 0;
}
.btn:hover { background: var(--concrete); }
.btn:active { transform: translate(3px, 3px); box-shadow: none; }
.btn.primary { background: var(--signal); color: var(--on-signal); }
.btn.sm { font-size: var(--t-xs); padding: 7px 9px 6px; box-shadow: 2px 2px 0 var(--shadow); }
.btn.sm:active { transform: translate(2px, 2px); }

/* seed */
.words { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; margin: 0; padding: 0; list-style: none; }
.words li { border: 2px solid var(--ink); padding: 7px 9px; display: flex; gap: 8px; align-items: baseline; min-width: 0; }
.words .n { color: var(--ink-3); font-size: var(--t-xs); flex: none; }
.words .w { font-weight: 700; overflow-wrap: anywhere; }
.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 16px; }
.vsel select {
  font: 700 var(--t-s)/1.2 var(--mono); padding: 8px 10px; border: 2px solid var(--ink); border-radius: 0;
  background: var(--slab); color: var(--ink); box-shadow: 3px 3px 0 var(--shadow); max-width: 100%; cursor: pointer;
}
.lab { display: block; font: 700 var(--t-xs)/1.2 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 6px; }
.lab span { font-weight: 400; letter-spacing: 0.04em; text-transform: none; }
.entry textarea {
  width: 100%; min-height: 96px; padding: 10px; border: 2px solid var(--ink); border-radius: 0;
  background: var(--concrete); resize: vertical; line-height: 1.5;
}
.msg { margin: 8px 0 0; font-size: var(--t-s); color: var(--danger); }
.msg:empty { display: none; }
.inputs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
.inputs input { width: 100%; padding: 9px 10px; border: 2px solid var(--ink); border-radius: 0; background: var(--concrete); }
.status { margin: 14px 0 0; font-size: var(--t-s); color: var(--ink-2); }
.status:empty { display: none; }
.warn { margin: 16px 0 0; padding: 10px 12px; border: 2px dashed var(--ink); font-size: var(--t-s); color: var(--ink-2); max-width: 100%; }
.warn b { color: var(--ink); }

/* tree */
.main { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 44px 32px; align-items: start; }
.tree { padding: 12px 0; font-size: 0.875rem; }
.tree .wait { margin: 0; padding: 4px 16px; color: var(--ink-3); }
.row { display: flex; align-items: stretch; }
.sel {
  flex: 1; min-width: 0; display: flex; align-items: baseline; text-align: left; background: transparent;
  border: 0; padding: 4px 8px 4px 16px; cursor: pointer; line-height: 1.55; border-radius: 0;
}
.sel:hover .l { text-decoration: underline; text-underline-offset: 3px; }
.g { white-space: pre; color: var(--ink-3); flex: none; }
.p { white-space: pre; font-weight: 700; flex: none; }
.l { flex: 1 1 auto; min-width: 0; color: var(--ink-2); overflow-wrap: anywhere; }
.v { flex: none; margin-left: 2ch; color: var(--ink-3); font-size: var(--t-s); }
.tick { color: var(--ok); font-weight: 700; }
.tick.bad { color: var(--danger); }
.tog { flex: none; background: transparent; border: 0; padding: 0 14px 0 6px; color: var(--ink-2); cursor: pointer; font-weight: 700; border-radius: 0; }
.tog:hover { color: var(--ink); }
.row.on .sel, .row.on .tog { background: var(--signal); }
.row.on .g, .row.on .p, .row.on .l, .row.on .v, .row.on .tog, .row.on .tick { color: var(--on-signal); }
.row.rev .p, .row.rev .l { text-decoration: line-through; text-decoration-thickness: 2px; }
.row.add .l { color: var(--ink); font-weight: 700; }
.row.add .p { color: var(--ink); }

/* inspector */
.insp { position: sticky; top: calc(16px + env(safe-area-inset-top, 0px)); }
.insp > .panel { max-height: calc(100vh - 64px); overflow: auto; overscroll-behavior: contain; }
.ih { padding: 18px 18px 16px; border-bottom: 3px solid var(--ink); }
.eyebrow { margin: 0 0 8px; font: 700 var(--t-xs)/1.3 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-2); }
.it { margin: 0; font: 700 var(--t-l)/1.25 var(--mono); overflow-wrap: anywhere; text-wrap: balance; }
.idesc { margin: 10px 0 0; color: var(--ink-2); font-size: var(--t-s); max-width: 62ch; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.chip { font: 700 var(--t-xs)/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 7px 4px; border: 2px solid currentColor; }
.chip.ok { color: var(--ok); }
.chip.bad { color: var(--danger); }
.ib { padding: 4px 18px 18px; display: grid; gap: 16px; }
.fl { margin: 0; display: grid; }
.f { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 10px; align-items: start; padding-top: 12px; margin-top: 12px; border-top: 1px dashed var(--ink-3); }
.f:first-child { border-top: 0; margin-top: 0; }
.f dt { grid-column: 1 / -1; font: 700 var(--t-xs)/1.2 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); }
.f dd { margin: 0; font-size: var(--t-s); overflow-wrap: anywhere; word-break: break-all; min-width: 0; }
.f dd input { width: 100%; padding: 7px 9px; border: 2px solid var(--ink); border-radius: 0; background: var(--concrete); word-break: normal; }
.cp {
  font: 700 var(--t-xs)/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; padding: 6px 8px 5px;
  border: 2px solid var(--ink); background: var(--slab); color: var(--ink); box-shadow: 2px 2px 0 var(--shadow); cursor: pointer; border-radius: 0;
}
.cp:active { transform: translate(2px, 2px); box-shadow: none; }
.cp.done { background: var(--ink); color: var(--slab); }
.code { border: 2px solid var(--ink); min-width: 0; }
.code-h {
  display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 6px 6px 6px 10px;
  border-bottom: 2px solid var(--ink); background: var(--concrete);
  font: 700 var(--t-xs)/1.3 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2);
}
.code-h .ok { color: var(--ok); }
.code pre { margin: 0; padding: 10px; font-size: var(--t-xs); line-height: 1.6; white-space: pre-wrap; overflow-wrap: anywhere; word-break: break-all; }
.acts { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.acts p { margin: 0; font-size: var(--t-s); color: var(--ink-2); flex: 1 1 24ch; }
.secret { border: 2px solid var(--ink); }
.hz {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px;
  background: repeating-linear-gradient(-45deg, var(--signal) 0 12px, var(--tape) 12px 24px);
}
.hz-l { background: var(--tape); color: var(--signal); font: 700 var(--t-xs)/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; padding: 6px 8px 5px; }
.sb { margin: 0; padding: 0 12px 12px; }

/* publish */
.tabs { display: flex; flex-wrap: wrap; border-bottom: 3px solid var(--ink); }
.tabs button {
  font: 700 var(--t-s)/1 var(--mono); padding: 12px 14px; background: transparent; border: 0;
  border-right: 2px solid var(--ink); cursor: pointer; color: var(--ink-2); border-radius: 0;
}
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--slab); }
.tabs button:hover:not([aria-selected="true"]) { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.ex { padding: 16px 18px 18px; display: grid; gap: 12px; }
.ex-note { margin: 0; color: var(--ink-2); font-size: var(--t-s); max-width: 76ch; }
.ex .code pre { font-size: var(--t-s); white-space: pre; overflow-x: auto; overflow-wrap: normal; word-break: normal; }

.foot { display: grid; gap: 8px; color: var(--ink-2); font-size: var(--t-s); max-width: 92ch; }
.foot p { margin: 0; }

@media (max-width: 960px) {
  .main { grid-template-columns: minmax(0, 1fr); }
  .insp { position: static; }
  .insp > .panel { max-height: none; overflow: visible; }
  .words { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .inputs { grid-template-columns: minmax(0, 1fr); }
  .words { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
  .words li { padding: 6px 7px; gap: 6px; font-size: var(--t-s); }
  .v { display: none; }
  .tree { font-size: var(--t-s); }
  .sel { padding-left: 10px; }
  .tog { padding-right: 10px; }
  .panel { box-shadow: 5px 5px 0 var(--shadow); }
}
@media (max-width: 400px) {
  .words { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  .btn:active, .cp:active { transform: none; }
}