/* ===========================================================
   BeardLog — tokens
   Palette: deep barber-shop green + field-paper + amber/copper instruments.
   Type: Big Shoulders Display / Instrument Sans / IBM Plex Mono.
   =========================================================== */
:root {
  --bg: #0d1512;
  --surface: #131f1a;
  --surface-2: #182821;
  --surface-3: #21352c;
  --border: #405248;
  --border-soft: #293a31;
  --text: #efe6d2;
  --text-dim: #9fb8a4;
  --text-faint: #70867a;
  --paper: #f1e7d2;
  --paper-2: #e5d6b8;
  --ink: #1c2a22;
  --ink-2: #4a5a50;
  --amber: #e39b3b;
  --amber-strong: #f2b45f;
  --amber-dim: #72552f;
  --copper: #c56b32;
  --green: #65c99a;
  --red: #df654e;

  --font-display: 'Big Shoulders Display', Impact, sans-serif;
  --font-body: 'Instrument Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 12px 32px -12px rgba(0,0,0,0.55);
}

* { box-sizing: border-box; }
/* The `hidden` attribute must always win. Several components set
   `display: flex` via a class, which otherwise overrides the UA hidden rule
   and leaves modals / the canvas toolbar permanently visible. */
[hidden] { display: none !important; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

body {
  background-image:
    radial-gradient(1100px 560px at 88% -8%, rgba(227,155,59,0.10), transparent 60%),
    radial-gradient(900px 520px at -8% 34%, rgba(159,184,164,0.07), transparent 55%),
    repeating-linear-gradient(115deg, transparent 0 26px, rgba(255,255,255,0.013) 26px 27px);
  background-attachment: fixed;
}

a { color: var(--amber); }
kbd {
  font-family: var(--font-mono);
  font-size: 0.78em;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 0.05em 0.4em;
  color: var(--text-dim);
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(20, 18, 15, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.topbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.wordmark-main {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.5rem;
  letter-spacing: 0.01em;
  color: var(--text);
}
.wordmark-tag {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--text-faint);
  font-size: 0.95rem;
  margin-left: 10px;
}
.tier-badge {
  appearance: none;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  white-space: nowrap;
}
.tier-badge:hover,
.tier-badge:focus-visible { color: var(--text); border-color: var(--text-faint); }
.tier-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-faint);
}
.tier-badge.is-pro .dot { background: var(--amber); }
.tier-badge.is-pro { color: var(--amber-strong); border-color: var(--amber-dim); }

/* ---------- page / panel shell ---------- */
.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 20px 80px;
}

.tip-banner {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 22px;
}
.tip-icon { color: var(--amber); font-size: 0.6rem; margin-top: 5px; }
.tip-banner strong { color: var(--text); font-weight: 600; }

.panel {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.panel-head { margin-bottom: 18px; }
.section-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-sub {
  margin: 0;
  color: var(--text-faint);
  font-size: 0.92rem;
}
.pro-pill {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber-strong);
  border: 1px solid var(--amber-dim);
  background: rgba(226,152,79,0.08);
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 500;
}

/* ---------- tick-rule divider (signature element) ---------- */
.tick-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 30px 0;
  color: var(--text-faint);
}
.tick-line {
  flex: 1;
  height: 10px;
  background-image: repeating-linear-gradient(
    90deg, var(--border) 0 1px, transparent 1px 10px
  );
  background-position: center;
  background-repeat: repeat-x;
  background-size: 100% 1px;
  position: relative;
}
.tick-line::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg, var(--border) 0 1px, transparent 1px 40px
  );
  background-position: bottom;
  background-size: 100% 10px;
  background-repeat: repeat-x;
  opacity: 0.9;
}
.tick-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---------- capture layout ---------- */
.capture-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 820px) {
  .capture-grid { grid-template-columns: 1fr; }
}

.canvas-col { min-width: 0; }

.dropzone {
  border: 1.5px dashed var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  overflow: hidden;
}
.dropzone.dragover {
  border-color: var(--amber);
  background: rgba(226,152,79,0.06);
}
.dropzone-empty {
  text-align: center;
  color: var(--text-dim);
  padding: 40px 20px;
}
.dropzone-icon {
  color: var(--amber-dim);
  font-size: 1.6rem;
  margin-bottom: 10px;
}
.dropzone-empty p { margin: 4px 0; }
.dropzone-hint { color: var(--text-faint); font-size: 0.82rem; }

.canvas-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
  background:
    linear-gradient(45deg, #201c15 25%, transparent 25%) 0 0 / 16px 16px,
    linear-gradient(-45deg, #201c15 25%, transparent 25%) 0 0 / 16px 16px,
    var(--surface-2);
}
#stage {
  display: block;
  width: 100%;
  height: auto;
  cursor: crosshair;
}

.canvas-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.poly-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.poly-chip {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 6px 4px 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
}
.poly-chip button {
  border: none;
  background: none;
  color: var(--text-faint);
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  padding: 2px 4px;
}
.poly-chip button:hover { color: var(--red); }

.hint-line {
  color: var(--text-faint);
  font-size: 0.8rem;
  margin: 12px 0 0;
  line-height: 1.5;
}

/* ---------- controls column ---------- */
.controls-col { display: flex; flex-direction: column; gap: 20px; min-width: 0; }

.control-block { background: var(--surface-2); border: 1px solid var(--border-soft); border-radius: var(--radius-sm); padding: 14px 16px; }

/* Beard-length segmented toggle */
.seg-toggle {
  display: flex;
  gap: 4px;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 4px;
}
.seg-btn {
  flex: 1;
  padding: 8px 10px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dim);
  background: transparent;
  border: 0;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.seg-btn:hover { color: var(--text); }
.seg-btn.is-active {
  background: var(--amber);
  color: #14120f;
  font-weight: 600;
}
.seg-hint { margin: 8px 2px 0; font-size: 0.78rem; color: var(--text-faint); line-height: 1.35; }

/* Dermascope loupe */
.scope-zooms { display: flex; gap: 4px; }
.zoom-btn {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  padding: 3px 7px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.zoom-btn:hover { color: var(--text); }
.zoom-btn.is-active { background: var(--amber); color: #14120f; border-color: var(--amber); font-weight: 600; }
.scope-stage {
  position: relative;
  display: flex;
  justify-content: center;
  margin-top: 4px;
}
#scopeCanvas {
  width: 228px;
  height: 228px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--amber-dim);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.4), var(--shadow);
  image-rendering: pixelated;
}
.scope-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 30px;
  font-size: 0.8rem;
  color: var(--text-faint);
  pointer-events: none;
}
/* focus ring drawn over the main canvas is done in JS; cursor hint here */
.canvas-wrap.scope-on canvas { cursor: crosshair; }
.control-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
}
.control-label-row label {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.mono-readout {
  font-family: var(--font-mono);
  color: var(--amber-strong);
  font-size: 1rem;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 22px;
  background: transparent;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  background:
    repeating-linear-gradient(90deg, var(--border) 0 1px, transparent 1px 10%),
    linear-gradient(90deg, var(--amber-dim), var(--border));
  border-radius: 2px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  margin-top: -6px;
  border-radius: 50%;
  background: var(--amber);
  border: 2px solid #14120f;
  box-shadow: 0 0 0 3px rgba(226,152,79,0.25);
}
input[type="range"]::-moz-range-track {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
}
input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--amber);
  border: 2px solid #14120f;
}
.range-scale {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 6px;
}

.advanced {
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
}
.advanced summary {
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 0;
}
.advanced-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 10px;
}
.advanced-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
}
.advanced-grid input {
  font-family: var(--font-mono);
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  padding: 6px 8px;
  font-size: 0.85rem;
  width: 100%;
}

/* ---------- result block / caliper headline ---------- */
.result-block {
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 18px 18px 14px;
  min-height: 120px;
}
.result-empty { color: var(--text-faint); font-size: 0.9rem; }
.status-line {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  min-height: 1em;
  margin-bottom: 4px;
}
.headline {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}
.headline-approx { color: var(--text-faint); font-size: 1.4rem; font-family: var(--font-mono); }
.headline-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 2.5rem;
  color: var(--amber-strong);
  line-height: 1;
}
.headline-unit {
  color: var(--text-dim);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.headline-tick {
  height: 6px;
  margin: 8px 0 12px;
  background-image: repeating-linear-gradient(90deg, var(--amber-dim) 0 1px, transparent 1px 8px);
  background-size: 100% 6px;
  opacity: 0.7;
}
.sub-line { margin: 0 0 6px; color: var(--text-dim); font-size: 0.9rem; }
.threshold-line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
}

/* ---------- buttons ---------- */
.btn {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-3);
  color: var(--text);
  padding: 9px 16px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, opacity 0.15s;
}
.btn:hover { border-color: var(--text-faint); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary {
  background: var(--amber);
  border-color: var(--amber);
  color: #1a1208;
  font-weight: 600;
}
.btn-primary:hover { background: var(--amber-strong); border-color: var(--amber-strong); }
.btn-ghost { background: transparent; }
.btn-block { width: 100%; }
.btn-file { position: relative; overflow: hidden; }

/* ---------- instances grid ---------- */
.instances-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 14px;
}
.empty-note { color: var(--text-faint); font-size: 0.9rem; grid-column: 1 / -1; }
.instance-card {
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}
.instance-thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  background: var(--surface-3);
}
.instance-meta { padding: 10px 12px 12px; }
.instance-label { font-weight: 600; font-size: 0.92rem; margin: 0 0 2px; }
.instance-date { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-faint); margin: 0 0 6px; }
.instance-count { font-family: var(--font-mono); font-size: 0.85rem; color: var(--amber-strong); margin: 0; }
.instance-delete {
  position: absolute;
  top: 6px; right: 6px;
  width: 24px; height: 24px;
  border-radius: 50%;
  border: none;
  background: rgba(20,18,15,0.72);
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
}
.instance-delete:hover { color: var(--red); }

/* ---------- compare ---------- */
.compare-body { display: flex; flex-direction: column; gap: 16px; }
.compare-stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.compare-stat { font-family: var(--font-mono); }
.compare-stat .stat-label {
  display: block;
  font-size: 0.68rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}
.compare-stat .stat-value { font-size: 1.5rem; color: var(--amber-strong); font-weight: 600; }
.compare-stat .stat-value.negative { color: var(--red); }
.chart-wrap { width: 100%; overflow-x: auto; }
.chart-legend {
  display: flex;
  gap: 18px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-dim);
}
.chart-legend .swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: middle; }

/* ---------- modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10,9,7,0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  max-width: 420px;
  width: 100%;
  box-shadow: var(--shadow);
}
.modal h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 12px;
}
.modal p { color: var(--text-dim); font-size: 0.9rem; line-height: 1.5; }
.modal-note { color: var(--text-faint); font-size: 0.82rem; font-style: italic; }
.modal-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--text-dim);
}
.modal-field input {
  font-family: var(--font-body);
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 9px 10px;
  font-size: 0.92rem;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* The account gate reads like a stamped field docket, not a generic signup
   popover. It is used both before the first result and from the account badge. */
.account-invite-modal {
  position: relative;
  max-width: 560px;
  overflow: hidden;
  padding: 34px;
  background:
    linear-gradient(rgba(28,42,34,0.055) 1px, transparent 1px) 0 0 / 100% 28px,
    var(--paper);
  border: 1px solid var(--paper-2);
  color: var(--ink);
  box-shadow: 0 28px 72px rgba(0,0,0,0.58);
}
.account-invite-modal::before {
  content: "";
  position: absolute;
  inset: 10px;
  pointer-events: none;
  border: 1px solid rgba(28,42,34,0.16);
}
.modal.account-invite-modal h3 {
  max-width: 390px;
  margin-top: 0;
  color: var(--ink);
  font-size: clamp(2.25rem, 8vw, 3.7rem);
  line-height: 0.9;
}
.account-invite-modal p { color: var(--ink-2); }
.account-invite-modal .modal-note {
  padding-top: 12px;
  border-top: 1px solid rgba(28,42,34,0.18);
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-style: normal;
}
.modal-kicker {
  margin: 0 0 12px;
  color: var(--copper) !important;
  font-family: var(--font-mono);
  font-size: 0.7rem !important;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.account-invite-stamp {
  position: absolute;
  top: 30px;
  right: 26px;
  width: 92px;
  height: 92px;
  display: grid;
  align-content: center;
  border: 3px double var(--copper);
  border-radius: 50%;
  color: var(--copper);
  font-family: var(--font-mono);
  text-align: center;
  text-transform: uppercase;
  transform: rotate(8deg);
}
.account-invite-stamp span { font-size: 0.58rem; letter-spacing: 0.12em; }
.account-invite-stamp strong { font-size: 1.05rem; letter-spacing: 0.08em; }
.account-invite-actions { align-items: center; }
.account-invite-actions .btn-primary { box-shadow: 3px 3px 0 var(--ink); }
.account-mode {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin: 22px 0 4px;
  padding: 4px;
  background: rgba(28,42,34,0.08);
  border: 1px solid rgba(28,42,34,0.18);
}
.account-mode-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink-2);
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}
.account-mode-btn.is-active { background: var(--ink); color: var(--paper); }
.account-invite-modal .account-field span {
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.account-invite-modal .account-field input {
  border-color: rgba(28,42,34,0.28);
  background: rgba(255,255,255,0.38);
  color: var(--ink);
}
.account-invite-modal .account-field input:focus {
  outline: 2px solid var(--copper);
  outline-offset: 1px;
}
.account-form-hint,
.account-error {
  margin: 7px 0 0;
  font-family: var(--font-mono);
  font-size: 0.68rem !important;
}
.account-error { color: #873d2d !important; font-weight: 600; }
.account-session { position: relative; z-index: 1; margin-top: 22px; }
.account-session strong { color: var(--ink); }
.account-invite-modal button:disabled { cursor: wait; opacity: 0.62; }

@media (max-width: 560px) {
  .account-invite-modal { padding: 28px 22px 24px; }
  .account-invite-stamp { position: static; margin: 0 0 20px auto; }
  .account-invite-actions { align-items: stretch; flex-direction: column-reverse; }
  .account-invite-actions .btn { width: 100%; }
}

/* ---------- toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  box-shadow: var(--shadow);
  z-index: 200;
}
.toast.error { border-color: var(--red); color: #ffb3a8; }

@media (max-width: 480px) {
  .headline-num { font-size: 2rem; }
  .advanced-grid { grid-template-columns: 1fr; }
}

/* ---------- site footer (app + legal pages) ---------- */
.site-footer { border-top: 1px solid var(--border-soft); margin-top: 20px; }
.site-footer-inner { max-width: 1080px; margin: 0 auto; padding: 22px 20px 40px; }
.site-footer-links, .lp-footer-links {
  margin: 10px 0 0;
  font-size: 0.82rem;
}
.site-footer-links a, .lp-footer-links a {
  color: var(--text-dim);
  text-decoration: none;
}
.site-footer-links a:hover, .lp-footer-links a:hover { color: var(--amber); }
.site-footer-sep, .lp-footer-sep { color: var(--text-faint); margin: 0 8px; }

/* ---------- legal pages (privacy / terms) ---------- */
.legal-body h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 26px 0 8px;
}
.legal-body h2:first-child { margin-top: 0; }
.legal-body p, .legal-body li { color: var(--text-dim); font-size: 0.92rem; line-height: 1.6; }
.legal-body ul { margin: 6px 0 14px; padding-left: 20px; }
.legal-body a { color: var(--amber); }
.legal-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: -8px 0 20px;
}

/* ===========================================================
   Field-journal refactor — adapted from the supplied GRAIN study.
   The paper intake card is the single tactile accent; the rest stays
   disciplined and instrument-like so the counting workflow remains clear.
   =========================================================== */

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}
body > * { position: relative; z-index: 1; }
::selection { background: var(--amber); color: var(--ink); }

.topbar {
  background: rgba(13, 21, 18, 0.91);
  border-bottom-color: rgba(159, 184, 164, 0.16);
}
.topbar-inner {
  max-width: 1280px;
  padding: 20px 28px 18px;
  align-items: center;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}
.wordmark-copy { display: flex; flex-direction: column; min-width: 0; }
.wordmark-main {
  display: block;
  font-size: clamp(2.1rem, 4vw, 3.25rem);
  font-weight: 900;
  line-height: 0.82;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}
.wordmark-main em { color: var(--amber); font-style: normal; }
.wordmark-tag {
  display: block;
  margin: 7px 0 0;
  color: var(--sage, #9fb8a4);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-style: normal;
  letter-spacing: 0.28em;
  line-height: 1;
  text-transform: uppercase;
}
.barber-pole {
  width: 14px;
  height: 50px;
  flex: 0 0 auto;
  border: 2px solid rgba(241,231,210,0.55);
  border-radius: 9px;
  background: repeating-linear-gradient(45deg, #b3372b 0 7px, var(--paper) 7px 14px, #2b4a6f 14px 21px, var(--paper) 21px 28px);
  box-shadow: 0 5px 14px rgba(0,0,0,0.42);
  animation: barber-pole-scroll 2.2s linear infinite;
}
@keyframes barber-pole-scroll { to { background-position: 0 39.6px; } }

.field-ticker {
  overflow: hidden;
  border-bottom: 1px solid rgba(159,184,164,0.16);
  background: rgba(0,0,0,0.22);
  user-select: none;
}
.field-ticker-track {
  display: flex;
  width: max-content;
  padding: 8px 0;
  animation: field-ticker-scroll 34s linear infinite;
}
.field-ticker span {
  padding: 0 26px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.3em;
  white-space: nowrap;
}
.field-ticker i { color: var(--copper); font-style: normal; }
@keyframes field-ticker-scroll { to { transform: translateX(-50%); } }

.page { max-width: 1280px; padding: 30px 28px 84px; }
.tip-banner {
  background: rgba(19,31,26,0.72);
  border-color: rgba(159,184,164,0.16);
  border-left-color: var(--copper);
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.045em;
  line-height: 1.6;
}
.tip-icon { color: var(--amber); }

.panel {
  border-color: rgba(159,184,164,0.16);
  border-radius: 10px;
  box-shadow: 0 24px 50px rgba(0,0,0,0.36);
}
.panel-index {
  display: block;
  margin-bottom: 5px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.61rem;
  letter-spacing: 0.25em;
}
.section-title {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 0.045em;
  line-height: 1;
  text-transform: uppercase;
}
.section-sub { color: var(--text-dim); }
.pro-pill { border-radius: 3px; }

.capture-panel { padding: 0; overflow: visible; }
.capture-panel > .panel-head {
  margin: 0;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(159,184,164,0.16);
  background: rgba(0,0,0,0.12);
}
.capture-grid {
  grid-template-columns: minmax(0, 1fr) 352px;
  gap: 26px;
  padding: 24px;
}
.canvas-col {
  padding: 14px;
  border: 1px solid rgba(159,184,164,0.16);
  border-radius: 8px;
  background: #0a100d;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.012);
}
.dropzone {
  min-height: 420px;
  border-color: rgba(159,184,164,0.28);
  background:
    radial-gradient(120% 100% at 50% 0%, rgba(255,255,255,0.035), transparent 55%),
    var(--bg);
}
.dropzone:hover { border-color: var(--amber); }
.dropzone-icon { color: var(--amber); font-size: 2.2rem; }
.dropzone-empty strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.canvas-toolbar { margin-top: 14px; }

.controls-col {
  position: relative;
  gap: 14px;
  padding: 26px 24px 24px;
  color: var(--ink);
  background: var(--paper);
  border-radius: 10px;
  box-shadow: 0 24px 50px rgba(0,0,0,0.46), inset 0 0 0 1px rgba(28,42,34,0.12);
  transform: rotate(0.28deg);
}
.controls-col::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(28,42,34,0.24);
  border-radius: 6px;
  pointer-events: none;
}
.controls-col::after {
  content: "COUNT SHEET";
  position: absolute;
  top: -13px;
  right: 18px;
  padding: 6px 10px;
  color: var(--paper);
  background: var(--copper);
  border-radius: 3px;
  box-shadow: 0 6px 14px rgba(0,0,0,0.28);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  transform: rotate(3deg);
}
.controls-col > * { position: relative; z-index: 1; }
.control-block,
.controls-col .advanced {
  border-color: rgba(28,42,34,0.2);
  background: rgba(255,255,255,0.34);
}
.control-label-row label,
.controls-col .advanced summary {
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
}
.controls-col .mono-readout { color: var(--copper); font-weight: 600; }
.controls-col .seg-toggle {
  border-color: rgba(28,42,34,0.24);
  background: rgba(28,42,34,0.08);
}
.controls-col .seg-btn { color: var(--ink-2); }
.controls-col .seg-btn:hover { color: var(--ink); }
.controls-col .seg-btn.is-active { color: var(--paper); background: var(--ink); }
.controls-col .seg-hint,
.controls-col .range-scale,
.controls-col .advanced-grid label { color: var(--ink-2); }
.controls-col .advanced-grid input {
  color: var(--ink);
  border-color: rgba(28,42,34,0.25);
  background: rgba(255,255,255,0.48);
}
.controls-col input[type="range"]::-webkit-slider-runnable-track {
  background: repeating-linear-gradient(90deg, rgba(28,42,34,0.25) 0 1px, transparent 1px 10%), linear-gradient(90deg, var(--copper), rgba(28,42,34,0.18));
}
.controls-col input[type="range"]::-webkit-slider-thumb {
  border-color: var(--paper);
  background: var(--copper);
  box-shadow: 0 0 0 3px rgba(197,107,50,0.2);
}
.controls-col .result-block {
  min-height: 150px;
  color: var(--paper);
  border: 0;
  background: var(--ink);
  box-shadow: 5px 6px 0 rgba(28,42,34,0.15);
}
.controls-col .result-empty,
.controls-col .sub-line { color: var(--paper-2); }
.controls-col .status-line,
.controls-col .headline-num { color: var(--amber); }
.controls-col .headline-num {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 4.7rem);
  font-weight: 900;
  letter-spacing: 0.02em;
}
.controls-col .headline-unit,
.controls-col .threshold-line,
.controls-col .headline-approx { color: var(--sage, #9fb8a4); }
.controls-col .btn-primary {
  color: var(--paper);
  border-color: var(--copper);
  background: var(--copper);
}

.btn {
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: transform 0.18s, border-color 0.18s, background 0.18s, color 0.18s, opacity 0.18s;
}
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn-primary { color: var(--ink); }

#trackSection {
  position: relative;
  overflow: hidden;
  padding-top: 34px;
  padding-bottom: 34px;
  background: #0a100d;
}
#trackSection::before,
#trackSection::after {
  content: "";
  position: absolute;
  right: 18px;
  left: 18px;
  height: 10px;
  border-radius: 3px;
  background: repeating-linear-gradient(90deg, transparent 0 12px, rgba(241,231,210,0.13) 12px 24px, transparent 24px 36px);
}
#trackSection::before { top: 12px; }
#trackSection::after { bottom: 12px; }
.instance-card { background: var(--surface-2); transition: transform 0.2s, border-color 0.2s; }
.instance-card:hover { transform: translateY(-4px) rotate(-0.2deg); border-color: var(--amber-dim); }

#compareSection { background: var(--surface); }
.compare-stat .stat-value {
  color: var(--amber);
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
}

.site-footer-inner,
.lp-footer-inner { max-width: 1280px; }
.site-footer .wordmark-main,
.lp-footer .wordmark-main { font-size: 1.5rem; }
.modal { border-radius: 8px; }
.modal h3 {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.toast { border-radius: 4px; border-left: 4px solid var(--copper); }

.legal-body h2 {
  font-size: 1.55rem;
  font-weight: 900;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .capture-grid { grid-template-columns: 1fr; }
  .controls-col { transform: none; }
  .dropzone { min-height: 340px; }
}

@media (max-width: 640px) {
  .topbar-inner { padding: 15px 18px; }
  .wordmark-main { font-size: 2rem; }
  .wordmark-tag { font-size: 0.5rem; letter-spacing: 0.2em; }
  .barber-pole { width: 12px; height: 42px; }
  .field-ticker span { padding: 0 18px; font-size: 0.58rem; }
  .page { padding: 22px 14px 64px; }
  .capture-grid { padding: 14px; gap: 24px; }
  .canvas-col { padding: 9px; }
  .dropzone { min-height: 280px; }
  .controls-col { padding: 24px 18px 20px; }
  .section-title { font-size: 1.7rem; }
}

@media (prefers-reduced-motion: reduce) {
  .barber-pole,
  .field-ticker-track { animation: none; }
  *, *::before, *::after { scroll-behavior: auto !important; }
}