/* Graphite FOV instrument: shared by home, canonical tool, and embed. */
.page-intro { margin-bottom: 1.4rem; }
.page-intro h1 { max-width: 55rem; }

.home-hero { padding-bottom: 4.25rem; }
.home-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.35rem;
}
.home-intro > p {
  max-width: 25rem;
  margin: 0 0 0.25rem;
  color: var(--muted);
  font: 0.76rem/1.65 var(--mono);
}

.instrument {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background: var(--surface-inset);
  box-shadow: 0 2rem 5rem rgb(0 0 0 / 24%);
}
.instrument *,
.tool-grid > *,
.field-row > *,
.module-body > *,
.results-output > * { min-width: 0; }
.instrument-head {
  min-height: 2.65rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0.95rem;
  border-bottom: 1px solid var(--line);
  background: #0e1115;
  color: var(--muted);
  font: 750 0.57rem/1.3 var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.instrument-live { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--ink); }
.instrument-live i {
  width: 0.43rem;
  height: 0.43rem;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 14%, transparent);
}

.tool-grid {
  display: grid;
  grid-template-columns: minmax(19rem, 0.82fr) minmax(0, 1.18fr);
  align-items: stretch;
  gap: 0;
}
.instrument-module {
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
}
.tool-grid .panel + .panel { margin-top: 0; }
.setup-panel { border-right: 1px solid var(--line); background: var(--surface-inset); }
.results-panel { background: var(--bg); }
.module-header {
  min-height: 3.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface-raised);
  color: var(--accent);
  font: 750 0.57rem/1.2 var(--mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
.module-title { color: var(--ink); font-size: 0.68rem; }
.module-title b { margin-right: 0.55rem; color: var(--accent); font-size: 0.58rem; }
.module-body { padding: 1rem; }

.field { margin: 0 0 0.78rem; }
.field label {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--muted);
  font: 700 0.58rem/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.field input,
.field select {
  display: block;
  width: 100%;
  min-width: 0;
  height: 2.8rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background: var(--surface-inset);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.82rem;
}
.field input::placeholder { color: color-mix(in srgb, var(--muted) 70%, transparent); }
.field input:focus-visible,
.field select:focus-visible { border-color: var(--accent); outline: 2px solid var(--accent-hot); outline-offset: 1px; }
.field-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0.65rem; }
.field-check { display: flex; align-items: center; gap: 0.55rem; margin: 0 0 0.8rem; }
.field-check input { width: 1rem; height: 1rem; margin: 0; accent-color: var(--accent); }
.field-check label { margin: 0; color: var(--ink); font: 700 0.68rem/1.4 var(--mono); text-transform: uppercase; }

.btn {
  min-height: 2.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid var(--accent);
  border-radius: var(--r);
  padding: 0.55rem 1rem;
  background: var(--accent);
  color: #17130c;
  font: 850 0.68rem/1.1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.btn:hover { background: var(--accent-hot); border-color: var(--accent-hot); }
.btn-quiet { background: transparent; color: var(--accent); border-color: var(--line-strong); }
.btn-quiet:hover { background: var(--grid-soft); color: var(--accent-hot); border-color: var(--accent); }

/* ---------- result instrument ---------- */
.readout-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.65rem; }
.degree-readout {
  min-height: 10.5rem;
  overflow: hidden;
  position: relative;
  padding: 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background: linear-gradient(145deg, var(--surface-raised), var(--surface-inset));
}
.degree-readout::after {
  content: "";
  width: 7rem;
  height: 7rem;
  position: absolute;
  right: -4rem;
  bottom: -4rem;
  border: 1px solid color-mix(in srgb, var(--accent) 38%, transparent);
  border-radius: 50%;
  box-shadow: 0 0 0 1rem color-mix(in srgb, var(--accent) 3%, transparent), 0 0 0 2rem color-mix(in srgb, var(--accent) 2%, transparent);
}
.degree-readout > span {
  display: block;
  color: var(--muted);
  font: 750 0.57rem/1.3 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.degree-readout strong {
  display: flex;
  align-items: baseline;
  margin-top: 1.05rem;
  color: var(--accent);
  font: 750 clamp(3.2rem, 6.3vw, 5.35rem)/0.85 var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.09em;
  white-space: nowrap;
}
.degree-readout strong small {
  margin-left: 0.45rem;
  color: var(--muted);
  font-size: 0.18em;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.degree-readout p { margin: 0.75rem 0 0; color: var(--muted); font: 0.58rem/1.45 var(--mono); }
.readout-grid--idle { opacity: 0.46; }
.empty-note { margin: 0.8rem 0 0; }

.results-table { width: 100%; margin-top: 0.7rem; border-collapse: collapse; table-layout: fixed; }
.results-table th,
.results-table td {
  padding: 0.48rem 0.55rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}
.results-table th { width: 30%; color: var(--ink); font-size: 0.76rem; font-weight: 650; }
.results-table td[data-num] { width: 25%; color: var(--ink); font-family: var(--mono); font-size: 0.76rem; font-variant-numeric: tabular-nums; }
.results-table .note,
.note { color: var(--muted); font-size: 0.72rem; white-space: normal; }
.table-wrap { max-width: 100%; overflow-x: auto; }

/* ---------- dataset result ---------- */
.game-record {
  margin-top: 0.75rem;
  padding: 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background: var(--surface-inset);
}
.game-record__header { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.75rem; margin-bottom: 0.75rem; }
.game-record__header h2 { margin: 0.1rem 0 0; font: 750 1.15rem/1.2 var(--mono); letter-spacing: -0.02em; }
.game-record__eyebrow { margin: 0; color: var(--muted); font: 750 0.55rem/1.3 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.confidence-badge {
  flex: 0 0 auto;
  padding: 0.25rem 0.45rem;
  border: 1px solid currentColor;
  border-radius: var(--r);
  font: 800 0.53rem/1.2 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.confidence-badge--high { color: var(--ok); background: color-mix(in srgb, var(--ok) 8%, var(--surface)); }
.confidence-badge--medium { color: var(--warn); background: color-mix(in srgb, var(--warn) 8%, var(--surface)); }
.confidence-badge--low { color: var(--apex); background: color-mix(in srgb, var(--apex) 8%, var(--surface)); }
.game-record__pending {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.55rem 0.65rem;
  border: 1px dashed var(--line-strong);
  color: var(--muted);
  font: 750 0.56rem/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.game-record__pending strong { color: var(--accent); }
.game-record__facts { margin: 0 0 0.75rem; }
.game-record__facts > div { display: grid; grid-template-columns: minmax(5rem, 22%) minmax(0, 1fr); gap: 0.6rem; padding: 0.35rem 0; border-bottom: 1px solid var(--line); }
.game-record__facts dt { color: var(--muted); font-size: 0.72rem; }
.game-record__facts dd { margin: 0; font-size: 0.8rem; overflow-wrap: anywhere; }
.game-record__value {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.8rem;
  margin: 0.75rem 0;
  padding: 0.7rem 0.8rem;
  border-left: 3px solid var(--accent);
  background: var(--bg);
}
.game-record__value span { font: 750 0.6rem/1.3 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.game-record__value strong { color: var(--accent); font: 750 1.55rem/1 var(--mono); }
.game-record__range,
.game-record__convention,
.game-record__verified,
.game-record__honesty { font-size: 0.76rem; }
.game-record__guidance { margin: 0.75rem 0; padding: 0.65rem 0.75rem; border-left: 3px solid var(--accent); background: var(--bg); font-size: 0.78rem; }
.game-record__guidance p { margin: 0.35rem 0 0; }
.game-record__honesty { padding-top: 0.65rem; border-top: 1px solid var(--line); }
.game-record__sources h3 { margin: 0.75rem 0 0.25rem; font-size: 0.78rem; }
.game-record__sources ul { margin: 0; padding-left: 1.1rem; }
.game-record__sources li { margin: 0.25rem 0; font-size: 0.72rem; overflow-wrap: anywhere; }
.game-record__sources .note { margin-left: 0.3rem; }

.alert { margin: 0 0 0.75rem; padding: 0.65rem 0.8rem; border-radius: var(--r); font-size: 0.8rem; }
.alert-error { border: 1px solid var(--apex); background: color-mix(in srgb, var(--apex) 8%, var(--surface)); }
.alert-warn { border: 1px solid var(--warn); background: color-mix(in srgb, var(--warn) 8%, var(--surface)); }
.tool-actions { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 0.8rem; }
.tool-actions[hidden] { display: none; }
.tool-actions .btn { min-height: 2.35rem; padding: 0.45rem 0.65rem; font-size: 0.56rem; }
details summary { margin-top: 0.55rem; color: var(--muted); cursor: pointer; font-size: 0.75rem; }
details ul { margin: 0.35rem 0 0; }

/* ---------- annotated calculation sheet ---------- */
.method-panel { display: grid; grid-template-columns: minmax(13rem, 0.38fr) minmax(0, 1fr); border-top: 1px solid var(--line); }
.method-heading { padding: 1.1rem; border-right: 1px solid var(--line); background: var(--surface); }
.method-heading > span { color: var(--accent); font: 750 0.58rem/1.3 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.method-heading h2 { margin: 0.45rem 0 0; font-size: 1.25rem; }
.calc-sheet {
  padding: 1rem;
  background-color: var(--surface-inset);
  background-image: repeating-linear-gradient(0deg, transparent 0 1.55rem, color-mix(in srgb, var(--line) 48%, transparent) calc(1.55rem + 1px));
}
.dimension-chain { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; margin-bottom: 0.8rem; }
.dimension-callout {
  min-width: 0;
  position: relative;
  padding: 0.6rem 0.65rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-raised) 92%, transparent);
}
.dimension-callout:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -0.95rem;
  z-index: 1;
  color: var(--accent);
  font: 750 0.7rem/1 var(--mono);
  transform: translateY(-50%);
}
.dimension-callout span { display: block; color: var(--accent); font: 750 0.52rem/1.2 var(--mono); letter-spacing: 0.09em; text-transform: uppercase; }
.dimension-callout strong { display: block; margin-top: 0.2rem; font: 650 0.69rem/1.35 var(--mono); overflow-wrap: anywhere; }
.calc-sheet code { display: block; padding: 0.55rem 0.7rem; border-left: 2px solid var(--accent); background: color-mix(in srgb, var(--bg) 88%, transparent); color: var(--ink); font-size: 0.72rem; overflow-wrap: anywhere; }
.calc-sheet p { margin: 0.55rem 0 0; color: var(--muted); font: 0.62rem/1.5 var(--mono); }

/* ---------- homepage guides ---------- */
.home-guides { padding: 3.6rem 0 0; border-top: 1px solid var(--line); }
.section-intro { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.section-intro h2 { max-width: 38rem; margin: 0; }
.home-guides-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.home-guide-link {
  min-width: 0;
  min-height: 5.5rem;
  display: flex;
  align-items: center;
  padding: 1rem;
  background: var(--surface);
  color: var(--ink);
  font: 750 0.82rem/1.4 var(--mono);
  text-decoration: none;
}
.home-guide-link:hover { color: var(--accent); background: var(--surface-inset); }

[hidden] { display: none !important; }

@media (max-width: 900px) {
  .home-intro { display: block; }
  .home-intro > p { margin-top: 1rem; }
  .tool-grid { grid-template-columns: minmax(0, 1fr); }
  .setup-panel { border-right: 0; border-bottom: 1px solid var(--line); }
  .method-panel { grid-template-columns: minmax(0, 1fr); }
  .method-heading { border-right: 0; border-bottom: 1px solid var(--line); }
  .home-guides-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .home-hero { padding-bottom: 3rem; }
  .instrument-head { align-items: flex-start; flex-direction: column; gap: 0.35rem; }
  .module-header { align-items: flex-start; flex-direction: column; gap: 0.3rem; }
  .module-body { padding: 0.7rem; }
  .field-row,
  .readout-grid,
  .dimension-chain { grid-template-columns: minmax(0, 1fr); }
  .degree-readout { min-height: 8.3rem; }
  .degree-readout strong { font-size: clamp(3.5rem, 19vw, 4.75rem); }
  .results-table { min-width: 0; table-layout: auto; }
  .results-table th,
  .results-table td,
  .results-table td[data-num] { width: auto; }
  .dimension-callout:not(:last-child)::after { content: "↓"; top: auto; right: 0.7rem; bottom: -1rem; transform: none; }
  .game-record__header,
  .game-record__value { align-items: flex-start; flex-direction: column; }
  .game-record__facts > div { grid-template-columns: minmax(0, 1fr); gap: 0.1rem; }
  .game-record__pending { flex-direction: column; }
  .tool-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tool-actions .btn { width: 100%; }
  .section-intro { display: block; }
  .home-guides { padding-top: 3rem; }
  .home-guides-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 390px) {
  .instrument-head,
  .module-header { padding-inline: 0.7rem; }
  .tool-actions { grid-template-columns: minmax(0, 1fr); }
  .degree-readout strong { font-size: 3.45rem; }
}