/* ── Merascope design tokens — light theme default ──────────── */
:root {
  --ink: #1a1a2e;
  --evergreen: #4caf82;
  --evergreen-deep: #3a9b6e;
  --basalt: #d4701f;
  --slate: #666688;
  --paper: #f8f8f6;
  --mist: #ffffff;
  --sand: #f0f0ea;
  --gate: #e8e8e2;
  --line: #d0d0c8;
  --line-soft: #e4e4de;
  --nav-bg: rgba(248,248,246,.96);
  --hi-bg: #fde8e8; --hi-tx: #b91c1c;
  --med-bg: #fef3cd; --med-tx: #92400e;
  --lo-bg: #ecfdf5; --lo-tx: #166634;
  --cyan: #00cfff;
  --sans: 'Source Sans 3', system-ui, -apple-system, sans-serif;
  --serif: 'Source Serif 4', Georgia, serif;
}
[data-theme="dark"] {
  --ink: #e0e0f0;
  --slate: #8888aa;
  --paper: #0f0f1a;
  --mist: #1a1a2e;
  --sand: #1e2038;
  --gate: #1a1a30;
  --line: #2e2e4a;
  --line-soft: #252840;
  --nav-bg: rgba(15,15,26,.94);
  --hi-bg: #3a1414; --hi-tx: #e05c5c;
  --med-bg: #2e1e0a; --med-tx: #d4a644;
  --lo-bg: #0d2b1a; --lo-tx: #4caf82;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: -0.01em; text-wrap: balance; }
p { text-wrap: pretty; }
a { color: var(--evergreen); }
button { font-family: var(--sans); cursor: pointer; }
input, select { font-family: var(--sans); }

/* ── buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 6px; border: 1px solid transparent;
  padding: 10px 18px; font-size: 15px; font-weight: 600;
  text-decoration: none; transition: background .15s, border-color .15s, color .15s;
  white-space: nowrap;
}
.btn-primary { background: var(--evergreen); color: #0f0f1a; }
.btn-primary:hover { background: var(--evergreen-deep); }
.btn-ghost { background: transparent; color: var(--evergreen); border-color: var(--evergreen); }
.btn-ghost:hover { background: var(--gate); }
.btn-quiet { background: transparent; color: var(--slate); border-color: var(--line); }
.btn-quiet:hover { border-color: var(--slate); color: var(--ink); }
.btn-accent { background: var(--basalt); color: #fff; }
.btn-accent:hover { filter: brightness(1.1); }
.btn-sm { padding: 6px 12px; font-size: 13.5px; }
.btn-xs { padding: 3px 9px; font-size: 12.5px; border-radius: 5px; }

/* ── chips ── */
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  border-radius: 999px; padding: 2.5px 10px;
  font-size: 12.5px; font-weight: 600; line-height: 1.35;
  white-space: nowrap;
}
.chip-hi { background: var(--hi-bg); color: var(--hi-tx); }
.chip-med { background: var(--med-bg); color: var(--med-tx); }
.chip-lo { background: var(--lo-bg); color: var(--lo-tx); }
.chip-slate { background: var(--gate); color: var(--slate); }
.chip-mist { background: var(--mist); color: var(--evergreen); }
.chip-gate { background: var(--gate); color: #888; }

/* ── score numerals ── */
.score-serif { font-family: var(--serif); font-weight: 600; font-variant-numeric: tabular-nums; }
.score-badge {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-weight: 600;
  border-radius: 7px; padding: 2px 9px; font-variant-numeric: tabular-nums;
}

/* ── cards / panels ── */
.panel { background: var(--mist); border: 1px solid var(--line-soft); border-radius: 10px; }
.card { background: var(--mist); border: 1px solid var(--line); border-radius: 10px; }
.callout { background: var(--sand); border: 1px solid var(--line-soft); border-radius: 10px; }

/* ── tables ── */
.mtable { width: 100%; border-collapse: collapse; font-size: 14px; }
.mtable th {
  text-align: left; font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--slate); font-weight: 650; padding: 9px 12px; border-bottom: 2px solid var(--line);
  user-select: none;
}
.mtable td { padding: 9px 12px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
.mtable tr:hover td { background: var(--sand); }

/* ── mini bars ── */
.mb-track { height: 5px; background: var(--line); border-radius: 3px; overflow: hidden; flex: 1; }
.mb-fill { height: 100%; border-radius: 3px; transition: width .3s ease; }

/* ── loading shimmer (contour-line) ── */
.shimmer {
  border-radius: 8px; min-height: 56px;
  background: repeating-linear-gradient(-35deg, var(--gate) 0 7px, var(--sand) 7px 14px);
  background-size: 200% 100%;
  animation: contourslide 1.1s linear infinite;
}
@keyframes contourslide { to { background-position: -34px 0; } }
@media (prefers-reduced-motion: reduce) { .shimmer { animation: none; } }

/* ── top nav ── */
.topnav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 22px;
  padding: 0 22px; height: 56px;
  background: var(--nav-bg); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.topnav-links { display: flex; gap: 4px; align-items: center; }
.navlink {
  padding: 6px 11px; border-radius: 6px; font-size: 14px; font-weight: 600;
  color: var(--slate); text-decoration: none;
}
.navlink:hover { color: var(--ink); background: var(--sand); }
.navlink.active { color: var(--evergreen); background: var(--sand); }

/* persona segmented switch */
.seg { display: inline-flex; background: var(--mist); border: 1px solid var(--line); border-radius: 8px; padding: 2px; gap: 2px; }
.seg button {
  border: none; background: transparent; border-radius: 6px;
  padding: 4px 11px; font-size: 12.5px; font-weight: 650; color: var(--slate);
}
.seg button.on { background: var(--evergreen); color: #0f0f1a; }

/* ── grade chips ── */
.grade-chip {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--mist);
  padding: 12px 10px 9px; min-width: 108px; cursor: pointer;
  transition: border-color .15s, box-shadow .15s;
}
.grade-chip:hover, .grade-chip.open { border-color: var(--evergreen); box-shadow: 0 2px 8px rgba(76,175,130,.15); }
.grade-letter { font-family: var(--serif); font-size: 30px; font-weight: 700; line-height: 1; }

/* ── kanban ── */
.kanban { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(228px, 1fr); gap: 12px; overflow-x: auto; padding-bottom: 10px; }
.kcol { background: var(--mist); border: 1px solid var(--line-soft); border-radius: 10px; padding: 10px; min-height: 320px; }
.kcol h4 { font-size: 11.5px; letter-spacing: .09em; text-transform: uppercase; color: var(--slate); margin: 2px 4px 10px; display: flex; justify-content: space-between; }
.kcard { background: var(--sand); border: 1px solid var(--line); border-radius: 8px; padding: 10px 11px; margin-bottom: 9px; cursor: pointer; transition: box-shadow .15s, border-color .15s; }
.kcard:hover { border-color: var(--evergreen); box-shadow: 0 2px 8px rgba(76,175,130,.15); }

/* ── fact sheet ── */
.sheet-wrap { display: flex; justify-content: center; padding: 30px 16px 60px; background: var(--gate); }
.sheet {
  background: var(--mist); width: 816px; min-height: 1056px;
  box-shadow: 0 6px 28px rgba(0,0,0,.18);
  padding: 52px 58px; position: relative;
  font-size: 13.5px;
}
.sheet .score-serif { font-variant-numeric: tabular-nums; }
@media print {
  .sheet-wrap { background: #fff; }
  .sheet { background: #fff; color: #000; box-shadow: none; }
}

/* ── status dots ── */
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

/* ── sliders ── */
input[type="range"].mslider { -webkit-appearance: none; appearance: none; width: 100%; height: 4px; border-radius: 2px; background: var(--line); outline: none; }
input[type="range"].mslider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 15px; height: 15px; border-radius: 50%;
  background: var(--evergreen); border: 2.5px solid var(--mist); box-shadow: 0 1px 4px rgba(0,0,0,.5); cursor: grab;
}
input[type="range"].mslider:disabled::-webkit-slider-thumb { background: #444; }

/* ── tabs ── */
.tabs { display: flex; gap: 2px; border-bottom: 2px solid var(--line); overflow-x: auto; }
.tabs button {
  border: none; background: transparent; padding: 9px 14px; font-size: 14px; font-weight: 600;
  color: var(--slate); border-bottom: 2.5px solid transparent; margin-bottom: -2px; white-space: nowrap;
}
.tabs button.on { color: var(--evergreen); border-bottom-color: var(--basalt); }
.tabs button:hover { color: var(--ink); }

/* ── misc ── */
.eyebrow { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; color: var(--basalt); }
.microcopy { font-size: 12.5px; color: var(--slate); }
.hr-soft { border: none; border-top: 1px solid var(--line-soft); margin: 0; }
.kv { display: flex; justify-content: space-between; gap: 12px; font-size: 13.5px; padding: 6px 0; border-bottom: 1px solid var(--line-soft); }
.kv b { font-weight: 650; text-align: right; }

::selection { background: var(--line); }

/* ── animated brand glyph ── */
@media (prefers-reduced-motion: no-preference) {
  .aglyph .ag-r1 { animation: agOrbit 16s linear infinite; transform-origin: 16px 16px; }
  .aglyph .ag-r2 { animation: agOrbit 9s linear infinite reverse; transform-origin: 16px 16px; }
  .aglyph .ag-dot { animation: agPulse 3.2s ease-in-out infinite; transform-origin: 12.8px 18.4px; }
}
@keyframes agOrbit { to { transform: rotate(360deg); } }
@keyframes agPulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.4); opacity: 0.7; } }

/* ── site lab ── */
@media (prefers-reduced-motion: no-preference) {
  .sl-suggest { animation: slPulse 1.5s ease-in-out infinite; }
}
@keyframes slPulse { 0%, 100% { stroke-opacity: 1; } 50% { stroke-opacity: 0.3; } }
@keyframes fadeSlideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* demo role switcher */
.demo-select {
  font-size: 12px; border: 1px dashed var(--basalt); color: var(--basalt);
  background: transparent; border-radius: 6px; padding: 3px 6px; font-weight: 650;
}

/* responsive: explorer */
@media (max-width: 900px) {
  .explorer-layout { flex-direction: column !important; }
  .weight-dock { position: fixed !important; left: 0; right: 0; bottom: 0; top: auto !important; width: auto !important; max-height: 55vh; overflow-y: auto; border-radius: 14px 14px 0 0; box-shadow: 0 -6px 24px rgba(0,0,0,.5); z-index: 60; }
  .dual-doors { grid-template-columns: 1fr !important; }
  .statband { flex-wrap: wrap !important; }
  .hide-mobile { display: none !important; }
}