/* GA7 Solver — an instrument, not a document.
   Monospace throughout so every value sits on the same grid; one serif
   wordmark to keep it from reading as a terminal dump. */

:root {
  --ground: #f4f6f3;
  --surface: #ffffff;
  --surface-2: #eaeeea;
  --ink: #12181a;
  --ink-2: #4e5a5c;
  --ink-3: #78868a;
  --rule: #dbe1dc;
  --rule-2: #c2ccc4;
  --accent: #1f6f5c;
  --accent-soft: #e2efea;
  --pending: #8d5e10;
  --pending-soft: #f6efe0;
  --fail: #9e3b2e;

  --mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #0d1211;
    --surface: #141b1a;
    --surface-2: #1b2423;
    --ink: #e4eae7;
    --ink-2: #a3b1ad;
    --ink-3: #7a8884;
    --rule: #253130;
    --rule-2: #35443f;
    --accent: #6fc9ad;
    --accent-soft: #12241f;
    --pending: #d6a54e;
    --pending-soft: #241d10;
    --fail: #e08a78;
  }
}

:root[data-theme="dark"] {
  --ground: #0d1211;
  --surface: #141b1a;
  --surface-2: #1b2423;
  --ink: #e4eae7;
  --ink-2: #a3b1ad;
  --ink-3: #7a8884;
  --rule: #253130;
  --rule-2: #35443f;
  --accent: #6fc9ad;
  --accent-soft: #12241f;
  --pending: #d6a54e;
  --pending-soft: #241d10;
  --fail: #e08a78;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 1.25rem 6rem;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 66rem; margin: 0 auto; }

/* ---------- masthead ---------- */

header.top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1.5rem 2rem;
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid var(--rule);
}

.wordmark {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 1.4rem + 1.8vw, 2.7rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0;
  flex: 0 0 auto;
}

.wordmark em { font-style: italic; color: var(--accent); }

.tagline {
  margin: 0.5rem 0 0;
  color: var(--ink-2);
  font-size: 0.82rem;
  max-width: 34rem;
}

form#run {
  margin-left: auto;
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
  flex: 1 1 22rem;
  max-width: 30rem;
}

input[type="email"] {
  flex: 1;
  min-width: 0;
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--rule-2);
  border-radius: 2px;
  padding: 0.5rem 0.7rem;
}

input[type="email"]::placeholder { color: var(--ink-3); }
input[type="email"]:focus-visible { outline: 2px solid var(--accent); outline-offset: -1px; }

button.go {
  font: inherit;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ground);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 2px;
  padding: 0.5rem 1.1rem;
  cursor: pointer;
}

button.go:hover { filter: brightness(1.08); }
button.go:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

#status {
  margin: 0.9rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-3);
  flex-basis: 100%;
}

#status[data-kind="ok"] { color: var(--accent); }
#status[data-kind="error"] { color: var(--fail); text-transform: none; letter-spacing: 0; }

/* ---------- summary ---------- */

#summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin: 2rem 0;
}

#summary:empty { display: none; }

.fact { background: var(--surface); padding: 1rem 1.1rem; }
.fact-value { font-size: 1.5rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; }
.fact-label { font-size: 0.74rem; color: var(--ink-3); margin-top: 0.3rem; }

/* ---------- ledger ---------- */

#ledger { border: 1px solid var(--rule); border-bottom: 0; }
#ledger:empty { display: none; }

.row { border-bottom: 1px solid var(--rule); background: var(--surface); }
.row[open] { background: var(--surface-2); }

.row-head {
  display: grid;
  grid-template-columns: 2.2rem minmax(6rem, 1fr) 4.5rem minmax(0, 1.6fr) auto;
  align-items: center;
  gap: 0.9rem;
  padding: 0.7rem 1rem;
  cursor: pointer;
  list-style: none;
}

.row-head::-webkit-details-marker { display: none; }
.row-head:hover { background: var(--accent-soft); }
.row-head:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

.row-n { color: var(--ink-3); font-size: 0.8rem; }
.row-title { font-weight: 600; letter-spacing: -0.01em; }
.row-marks { color: var(--ink-3); font-size: 0.76rem; }

.row-answer {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.82rem;
}

.row-answer.is-answer { color: var(--accent); }
.row-answer.is-pending { color: var(--pending); }
.row-answer.is-fail { color: var(--fail); }

.row--service .row-n,
.row--lookup .row-n { color: var(--pending); }

button.copy {
  font: inherit;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
  background: transparent;
  border: 1px solid var(--rule-2);
  border-radius: 2px;
  padding: 0.2rem 0.55rem;
  cursor: pointer;
}

button.copy:hover { color: var(--ink); border-color: var(--ink-3); }

.row-body {
  padding: 0.4rem 1rem 1.3rem 4.1rem;
  border-top: 1px dashed var(--rule);
}

.note { margin: 0.8rem 0; color: var(--ink-2); max-width: 62ch; font-size: 0.85rem; }

.kv { display: grid; grid-template-columns: 12rem minmax(0, 1fr); gap: 0.6rem; margin: 0.45rem 0; }
.kv dt { color: var(--ink-3); font-size: 0.78rem; margin: 0; }
.kv dd { margin: 0; overflow-wrap: anywhere; }

ul.urls { margin: 0; padding-left: 1.1rem; }
ul.urls li { font-size: 0.8rem; overflow-wrap: anywhere; }

.scroll { overflow-x: auto; margin-top: 0.9rem; border: 1px solid var(--rule); }
table { border-collapse: collapse; width: 100%; font-size: 0.78rem; }
th, td { text-align: left; padding: 0.28rem 0.7rem; border-bottom: 1px solid var(--rule); white-space: nowrap; }
th { background: var(--surface-2); color: var(--ink-3); font-weight: 600; position: sticky; top: 0; }
tbody tr:last-child td { border-bottom: 0; }

/* ---------- prose blocks ---------- */

section.block { margin: 3rem 0 0; }

h2 {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.3rem;
}

section.block p { color: var(--ink-2); max-width: 64ch; font-size: 0.87rem; }

.callout {
  border: 1px solid var(--rule);
  border-left: 3px solid var(--pending);
  background: var(--pending-soft);
  padding: 0.9rem 1.1rem;
  margin: 1.2rem 0;
  max-width: 64ch;
  font-size: 0.85rem;
  color: var(--ink-2);
}

code {
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 0.05em 0.35em;
  font-size: 0.9em;
}

pre {
  background: var(--surface);
  border: 1px solid var(--rule);
  padding: 0.9rem 1rem;
  overflow-x: auto;
  font-size: 0.78rem;
  margin: 1rem 0;
}

a { color: var(--accent); }

/* ---------- credits links ---------- */

.links {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  max-width: 46rem;
}
@media (min-width: 54rem) { .links { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }

.links a {
  display: block;
  padding: 0.8rem 1rem;
  background: var(--surface);
  text-decoration: none;
  color: inherit;
  height: 100%;
}
.links a:hover { background: var(--surface-2); }

.links-what { display: block; color: var(--ink); font-size: 0.87rem; font-weight: 600; }
.links-who { display: block; margin-top: 0.15rem; color: var(--ink-3); font-size: 0.76rem; }

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-3);
  font-size: 0.78rem;
  max-width: 64ch;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

@media (max-width: 46rem) {
  .row-head { grid-template-columns: 2rem 1fr auto; row-gap: 0.35rem; }
  .row-marks { display: none; }
  .row-answer { grid-column: 1 / -1; white-space: normal; padding-left: 2.9rem; }
  .row-body { padding-left: 1rem; }
  .kv { grid-template-columns: 1fr; gap: 0.1rem; }
  form#run { margin-left: 0; }
}

/* ---------- street view panel ---------- */

.sv {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--rule);
  background: var(--surface);
  max-width: 46rem;
}

.sv-field { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: 0.6rem; align-items: center; width: 100%; }
.sv-field > span { color: var(--ink-3); font-size: 0.78rem; }

.sv-input {
  font: inherit;
  color: var(--ink);
  background: var(--ground);
  border: 1px solid var(--rule-2);
  border-radius: 2px;
  padding: 0.4rem 0.6rem;
  min-width: 0;
}

.sv-input:focus-visible { outline: 2px solid var(--accent); outline-offset: -1px; }
.sv-ref { font-size: 0.8rem; color: var(--ink-2); text-decoration: none; border-bottom: 1px solid var(--rule-2); }
.sv-ref:hover { color: var(--ink); border-bottom-color: currentColor; }
.sv .go { align-self: flex-start; }
.sv .go:disabled { opacity: 0.5; cursor: progress; }

.sv-out { width: 100%; }
.sv-out:empty { display: none; }
.sv-answer { display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap; margin-bottom: 0.7rem; }
.sv-answer code { color: var(--accent); font-size: 0.92rem; }
.sv-error { color: var(--fail); margin: 0; font-size: 0.85rem; }

/* ---------- probe harness ---------- */

.probe-controls { display: flex; gap: 0.5rem; margin: 1.2rem 0 0.8rem; max-width: 46rem; }
.probe-controls .sv-input { flex: 1; }

.probe-bar { min-height: 1.4rem; }
.probe-count { font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-3); }
.probe-count--ok { color: var(--accent); }
.probe-count--bad { color: var(--fail); }

.probe-out { border: 1px solid var(--rule); margin-top: 0.6rem; }
.probe-out:empty { display: none; }

.probe {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) 10rem;
  gap: 0.7rem;
  align-items: baseline;
  padding: 0.32rem 0.8rem;
  border-bottom: 1px solid var(--rule);
  background: var(--surface);
  font-size: 0.8rem;
}

.probe:last-child { border-bottom: 0; }
.probe-mark { font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; }
.probe--ok .probe-mark { color: var(--accent); }
.probe--bad .probe-mark { color: var(--fail); }
.probe--bad { background: var(--pending-soft); }
.probe-path { color: var(--ink-3); text-align: right; }
.probe-detail { grid-column: 2 / -1; color: var(--ink-2); font-size: 0.75rem; overflow-wrap: anywhere; }

@media (max-width: 46rem) {
  .probe { grid-template-columns: 3rem 1fr; }
  .probe-path { grid-column: 2; text-align: left; }
}

/* ---------- street view: the manual route, which needs no token ---------- */

.sv ol.steps { margin: 0 0 0.4rem; padding-left: 1.3rem; display: flex; flex-direction: column; gap: 0.45rem; }
.sv ol.steps li { font-size: 0.85rem; color: var(--ink-2); }
.sv ol.steps strong { color: var(--ink); }

.sv-prompt {
  width: 100%;
  max-height: 15rem;
  overflow: auto;
  white-space: pre-wrap;
  margin: 0.6rem 0 0.5rem;
  font-size: 0.76rem;
  color: var(--ink-2);
}

.sv-auto { width: 100%; margin-top: 0.9rem; border-top: 1px solid var(--rule); padding-top: 0.8rem; }
.sv-auto summary { cursor: pointer; color: var(--ink-3); font-size: 0.8rem; margin-bottom: 0.6rem; }
.sv-auto summary:hover { color: var(--ink); }
.sv-auto > *:not(summary) { margin-bottom: 0.5rem; }

/* ---------- workflow evidence ---------- */

.wf { margin-top: 0.9rem; max-width: 46rem; }
.wf .probe-controls { margin-top: 0; }
.wf-out:empty { display: none; }
.wf-out { border: 1px solid var(--rule); margin-top: 0.6rem; }
.wf-out .sv-error, .wf-out .note { padding: 0.6rem 0.8rem; margin: 0; }

.sv-actions { display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap; }
.sv-free { color: var(--accent); font-size: 0.76rem; letter-spacing: 0.04em; text-transform: uppercase; }

.wf > .go { margin-bottom: 0.5rem; }
.wf-ok { color: var(--accent); }
.wf-warn { color: var(--pending); }
.wf-manual { margin-top: 0.4rem; }
.wf-manual summary { cursor: pointer; color: var(--ink-3); font-size: 0.8rem; }
.wf-manual summary:hover { color: var(--ink); }

/* ---------- the score the exam actually recorded ---------- */

.live {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding: 0.9rem 1.1rem;
  margin: 0 0 2rem;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  background: var(--surface);
}

.live-label { color: var(--ink-3); font-size: 0.76rem; letter-spacing: 0.06em; text-transform: uppercase; }
.live-value { font-size: 1.35rem; font-weight: 600; letter-spacing: -0.02em; }
.live-value--full { color: var(--accent); }
.live-value--part { color: var(--pending); }
.live-value--none { color: var(--ink-3); font-size: 1rem; }
.live-detail { color: var(--ink-2); font-size: 0.8rem; flex: 1 1 14rem; }
.live .copy { margin-left: auto; }

/* ---------- the thing that actually saves ---------- */

.action {
  margin: 2rem 0;
  border: 1px solid var(--accent);
  background: var(--accent-soft);
  padding: 1.4rem 1.5rem;
}

.action h2 { margin: 0 0 0.4rem; }
.action-head p { color: var(--ink-2); max-width: 62ch; margin: 0; font-size: 0.88rem; }

.action-steps {
  margin: 1rem 0;
  padding-left: 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  max-width: 62ch;
}

.action-steps li { color: var(--ink); font-size: 0.88rem; }

.action-code {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: stretch;
  margin-top: 0.9rem;
  min-width: 0;
}

.action-code code {
  flex: 1 1 100%;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  white-space: nowrap;
  background: var(--surface);
  border: 1px solid var(--rule-2);
  border-radius: 2px;
  padding: 0.55rem 0.7rem;
  font-size: 0.74rem;
  color: var(--ink-2);
}

.action-code .go { flex: 0 0 auto; }

@media (max-width: 40rem) {
  .action-code { flex-direction: column; }
  .action-code .go { align-self: flex-start; }
}

/* ---------- masthead identity ---------- */

.brand { position: relative; padding-left: 0.9rem; }

.brand::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35rem;
  bottom: 0.9rem;
  width: 2px;
  background: linear-gradient(var(--accent), transparent);
}

.byline {
  margin: 0.35rem 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.byline span { color: var(--accent); padding: 0 0.15rem; }

/* ---------- colophon ---------- */

.colophon {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  align-items: flex-start;
  justify-content: space-between;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1.2rem;
}

.colophon p { margin: 0; }

.colophon-name {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.colophon-facts { display: flex; flex-wrap: wrap; gap: 0.3rem 2rem; margin: 0; }
.colophon-facts > div { display: flex; flex-direction: column; gap: 0.1rem; }
.colophon-facts dt { font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); }
.colophon-facts dd { margin: 0; font-size: 0.82rem; color: var(--ink-2); }

.colophon-note { max-width: 64ch; }

footer { max-width: none; }

/* ---------- two ways in ---------- */

.ways { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); margin: 1.2rem 0 1rem; }
@media (min-width: 54rem) { .ways { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }

/* min-width:0 lets the code block scroll inside the card instead of
   stretching the grid track and pushing the page sideways. */
.way { background: var(--surface); padding: 1.1rem 1.2rem; min-width: 0; }

.way h3 {
  margin: 0 0 0.7rem;
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: -0.005em;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.way h3 em { font-style: normal; font-weight: 400; color: var(--ink-3); font-size: 0.78rem; }

.way-n {
  display: inline-grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.72rem;
  border-radius: 2px;
  flex: 0 0 auto;
}

.way ol { margin: 0; padding-left: 1.2rem; display: flex; flex-direction: column; gap: 0.4rem; }
.way li { font-size: 0.84rem; color: var(--ink-2); }
.way li strong { color: var(--ink); font-weight: 620; }

kbd {
  font: inherit;
  font-size: 0.78em;
  background: var(--surface-2);
  border: 1px solid var(--rule-2);
  border-bottom-width: 2px;
  border-radius: 3px;
  padding: 0.05em 0.35em;
  color: var(--ink);
}

code.inline { color: var(--accent); }

.action-after { margin: 0; color: var(--ink-2); font-size: 0.85rem; max-width: 66ch; }

/* --- GA8: the one thing this page is for --------------------------------- */

.solo {
  max-width: 52rem;
  margin: 0 auto 3rem;
  padding: 0 1rem;
}

.solo-code {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
  padding: 1.1rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--rule-2);
  border-radius: 10px;
}

.solo-code code {
  flex: 1 1 22rem;
  min-width: 0;
  overflow-x: auto;
  white-space: nowrap;
  padding: 0.6rem 0.75rem;
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 7px;
  font-size: 0.8rem;
}

.solo-code .go { flex: 0 0 auto; }

.solo-steps {
  margin: 1.6rem 0 0;
  padding-left: 1.4rem;
  color: var(--ink-2);
}

.solo-steps li {
  margin-bottom: 0.7rem;
  line-height: 1.65;
}

.solo-steps strong { color: var(--ink); }
.solo-steps .muted {
  display: block;
  margin-top: 0.25rem;
  color: var(--ink-3);
  font-size: 0.82rem;
}