/* ─────────────────────────────────────────────────────────────────────────
   EVO-MOE — design tokens & component styles
   Editorial / scientific. Linen + forest + rust. Newsreader / JetBrains Mono.
   ───────────────────────────────────────────────────────────────────────── */

:root {
  /* surfaces */
  --bg-primary:   #FBF7EB;   /* page linen */
  --bg-secondary: #F7F2E2;   /* card linen */
  --bg-tertiary:  #EFE9D4;   /* sunk wells, bars */
  --linen:        #E4DBBE;   /* borders / dotted rules */

  /* text */
  --text-primary:    #1F3A1F;
  --text-secondary:  #4A4634;
  --text-tertiary:   #6E6450;
  --text-quaternary: #A19877;

  /* lines */
  --border-1: rgba(110,100,80,0.22);
  --border-2: rgba(110,100,80,0.12);

  /* accents */
  --forest: #4C6B36;
  --teal:   #2D6E66;
  --rust:   #8A4A2A;
  --amber:  #B8893A;
  --red:    #A03A28;

  /* stewardship grade ramp (also referenced by inline color) */
  --grade-A: #1F3A1F;
  --grade-B: #3C5926;
  --grade-C: #6B7F40;
  --grade-D: #A89B5C;
  --grade-E: #B8893A;
  --grade-F: #A05E2E;

  /* type stacks */
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --mono:  'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* radii */
  --radius-sm: 3px;
  --radius-md: 5px;
}

/* ── reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-width: 1280px;
}
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; color: inherit; }
table { border-collapse: collapse; }

/* ── app shell ──────────────────────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-columns: 232px 1fr;
  min-height: 100vh;
}

.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background:
    radial-gradient(circle at 0% 0%, rgba(76,107,54,0.025), transparent 40%),
    var(--bg-primary);
}

/* ── sidebar ────────────────────────────────────────────────────────────── */
.sidebar {
  background: #1F3A1F;
  color: #F7F2E2;
  padding: 22px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-right: 1px solid rgba(0,0,0,0.18);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sb-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 6px 22px;
  border-bottom: 1px dotted rgba(247,242,226,0.18);
  margin-bottom: 16px;
}
.sb-logo .mark { display: inline-flex; }
.sb-logo .wm { display: flex; flex-direction: column; line-height: 1.1; }
.sb-logo .wm .name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 19px;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.sb-logo .wm .name .sep {
  width: 4px; height: 4px; background: currentColor; display: inline-block;
  border-radius: 50%; opacity: 0.6;
}
.sb-logo .wm .sub {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(247,242,226,0.55);
  margin-top: 4px;
}

.sb-section-label {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(247,242,226,0.4);
  padding: 14px 8px 6px;
}

.sb-nav { display: flex; flex-direction: column; gap: 1px; }
.sb-nav-item {
  appearance: none;
  border: 0;
  background: transparent;
  color: rgba(247,242,226,0.72);
  font-family: var(--serif);
  font-size: 14px;
  display: grid;
  grid-template-columns: 18px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  text-align: left;
  transition: background .15s, color .15s;
}
.sb-nav-item:hover { background: rgba(247,242,226,0.05); color: #F7F2E2; }
.sb-nav-item.active {
  background: rgba(247,242,226,0.08);
  color: #F7F2E2;
  box-shadow: inset 2px 0 0 #B8893A;
}
.sb-nav-item .nav-ico {
  width: 16px; height: 16px;
  fill: none; stroke: currentColor; stroke-width: 1.4;
  stroke-linecap: round; stroke-linejoin: round;
}
.sb-nav-item .nav-num {
  font-family: var(--mono);
  font-size: 10px;
  color: rgba(247,242,226,0.4);
  letter-spacing: 0.05em;
}
.sb-nav-item .nav-badge {
  font-family: var(--mono);
  font-size: 10px;
  background: var(--amber);
  color: #1F3A1F;
  padding: 1px 6px;
  border-radius: 8px;
  font-weight: 600;
}

.sb-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: rgba(247,242,226,0.78);
  padding: 7px 10px;
  border: 1px solid rgba(247,242,226,0.12);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  background: rgba(247,242,226,0.03);
}
.sb-pill .led {
  width: 6px; height: 6px; border-radius: 50%;
  background: #6FCF97;
  box-shadow: 0 0 6px rgba(111,207,151,0.6);
}
.sb-pill.offline .led { background: rgba(247,242,226,0.35); box-shadow: none; }

.sb-footer { margin-top: auto; padding-top: 14px; }
.sb-status {
  border-top: 1px dotted rgba(247,242,226,0.18);
  padding: 10px 6px;
  display: flex; flex-direction: column; gap: 4px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: rgba(247,242,226,0.55);
}
.sb-status .row { display: flex; justify-content: space-between; }
.sb-status .v { color: rgba(247,242,226,0.85); }

.sb-user {
  display: grid;
  grid-template-columns: 28px 1fr 12px;
  gap: 10px;
  align-items: center;
  padding: 10px 6px;
  margin-top: 8px;
  border-top: 1px dotted rgba(247,242,226,0.18);
  cursor: pointer;
}
.sb-user .avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--rust);
  color: #F7F2E2;
  font-family: var(--mono);
  font-size: 11px;
  display: flex; align-items: center; justify-content: center;
  letter-spacing: 0.04em;
}
.sb-user .meta { display: flex; flex-direction: column; line-height: 1.2; }
.sb-user .meta .name { font-size: 13px; color: #F7F2E2; }
.sb-user .meta .role {
  font-family: var(--mono); font-size: 10px;
  color: rgba(247,242,226,0.5);
  letter-spacing: 0.04em;
}
.sb-user .caret { color: rgba(247,242,226,0.4); font-family: var(--mono); }

/* ── topbar ─────────────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border-2);
  background: var(--bg-primary);
  position: sticky; top: 0; z-index: 10;
}
.topbar-left, .topbar-right {
  display: flex; align-items: center; gap: 12px;
}
.tb-crumb {
  display: inline-flex; align-items: baseline; gap: 10px;
  font-family: var(--mono); font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}
.tb-crumb .cur { color: var(--text-primary); font-weight: 500; }
.tb-crumb .sep { color: var(--text-quaternary); }
.tb-crumb .ctx { color: var(--text-secondary); }

.search-input {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  min-width: 260px;
}
.search-input:focus-within { border-color: var(--forest); }
.search-input svg {
  width: 14px; height: 14px;
  fill: none; stroke: var(--text-tertiary); stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round;
}
.search-input input {
  border: 0; outline: 0; background: transparent;
  flex: 1; font-family: var(--mono); font-size: 12px;
  color: var(--text-primary);
}
.search-input input::placeholder { color: var(--text-quaternary); }
.search-input kbd {
  font-family: var(--mono); font-size: 10px;
  color: var(--text-tertiary);
  padding: 1px 5px;
  border: 1px solid var(--border-1);
  border-radius: 2px;
  background: var(--bg-primary);
}

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 10.5px;
  padding: 4px 8px;
  border: 1px solid var(--border-1);
  border-radius: 2px;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  letter-spacing: 0.02em;
}
.badge.teal {
  color: var(--teal);
  border-color: rgba(45,110,102,0.35);
  background: rgba(45,110,102,0.06);
}
.badge .led {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--teal); box-shadow: 0 0 5px rgba(45,110,102,0.7);
}

.icon-btn {
  position: relative;
  width: 30px; height: 30px;
  border: 1px solid transparent;
  background: transparent;
  border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--text-tertiary);
}
.icon-btn:hover { background: var(--bg-secondary); color: var(--text-primary); }
.icon-btn svg {
  width: 15px; height: 15px;
  fill: none; stroke: currentColor; stroke-width: 1.5;
  stroke-linecap: round; stroke-linejoin: round;
}
.icon-btn .dot {
  position: absolute; top: 6px; right: 7px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--rust);
  border: 1.5px solid var(--bg-primary);
}

/* ── content shell ──────────────────────────────────────────────────────── */
.content {
  padding: 22px 24px 36px;
  max-width: 1480px;
  width: 100%;
}

.fade-in { animation: fadeIn .26s ease both; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}

.content-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-2);
}
.content-head h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 30px;
  line-height: 1.15;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.content-head .subtitle {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.content-head .meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-secondary);
  text-align: right;
  line-height: 1.55;
}
.muted     { color: var(--text-quaternary) !important; }
.teal-c    { color: var(--teal) !important; }

/* ── tabs ───────────────────────────────────────────────────────────────── */
.tabs {
  display: flex; gap: 4px;
  border-bottom: 1px solid var(--border-2);
  margin-bottom: 18px;
}
.tab {
  position: relative;
  appearance: none; border: 0; background: transparent;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  padding: 10px 14px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  display: inline-flex; align-items: center; gap: 8px;
}
.tab:hover { color: var(--text-primary); }
.tab.active {
  color: var(--text-primary);
  border-bottom-color: var(--forest);
}
.tab .tab-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--forest);
}

/* ── grids ──────────────────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.col    { display: flex; flex-direction: column; }
.row    { display: flex; align-items: center; }
.row.between { justify-content: space-between; }

/* ── card primitives ────────────────────────────────────────────────────── */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  padding: 16px 16px 16px;
  position: relative;
}
.card.tight { padding: 12px 14px; }

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dotted var(--linen);
}
.card-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 15px;
  line-height: 1.2;
  color: var(--text-primary);
}
.card-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.divider {
  height: 1px;
  background: var(--linen);
  margin: 14px 0;
}

/* ── metric cards (dashboard top row) ───────────────────────────────────── */
.mcard {
  background: var(--bg-secondary);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  padding: 14px 14px 12px;
  display: flex; flex-direction: column; gap: 6px;
  position: relative;
}
.mcard-head {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 12px;
}
.mcard-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.mcard-row {
  display: flex; align-items: baseline; gap: 10px; margin-top: 2px;
}
.mcard-val {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 30px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.mcard-val.teal { color: var(--teal); }
.mcard-val .unit {
  font-size: 16px; color: var(--text-tertiary); margin-left: 1px;
}
.mcard-delta {
  display: inline-flex; align-items: center; gap: 3px;
  font-family: var(--mono); font-size: 10.5px;
  padding: 2px 6px;
  border-radius: 2px;
  font-variant-numeric: tabular-nums;
}
.mcard-delta svg { width: 10px; height: 10px; }
.mcard-delta.up-good   { color: var(--forest);  background: rgba(76,107,54,0.10); }
.mcard-delta.down-good { color: var(--forest);  background: rgba(76,107,54,0.10); }
.mcard-delta.up-bad    { color: var(--rust);    background: rgba(138,74,42,0.10); }
.mcard-delta.down-bad  { color: var(--rust);    background: rgba(138,74,42,0.10); }
.mcard-sub {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

/* ── chart card (dashboard center) ──────────────────────────────────────── */
.chart-card { padding: 16px 18px 14px; }
.chart-card-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 8px;
}
.chart-toggle {
  display: inline-flex; gap: 0;
  border: 1px solid var(--border-1);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-primary);
}
.chart-toggle button {
  appearance: none; border: 0;
  background: transparent;
  font-family: var(--mono);
  font-size: 10.5px;
  padding: 5px 10px;
  color: var(--text-tertiary);
  border-right: 1px solid var(--border-1);
}
.chart-toggle button:last-child { border-right: 0; }
.chart-toggle button.active {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.chart-feature {
  display: flex; align-items: baseline; gap: 14px;
  margin: 4px 0 14px;
}
.chart-feature .big {
  font-family: var(--serif); font-weight: 400; font-size: 38px; line-height: 1;
  color: var(--rust);
  letter-spacing: -0.015em;
  font-variant-numeric: tabular-nums;
}
.chart-feature .label {
  font-family: var(--mono); font-size: 10.5px;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

/* ── data tables ────────────────────────────────────────────────────────── */
.dt {
  width: 100%;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-primary);
}
.dt thead th {
  text-align: left;
  font-weight: 500;
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding: 7px 8px;
  border-bottom: 1px solid var(--border-1);
  background: rgba(0,0,0,0.015);
}
.dt tbody td {
  padding: 7px 8px;
  border-bottom: 1px dotted var(--linen);
  font-variant-numeric: tabular-nums;
}
.dt tbody tr:last-child td { border-bottom: 0; }
.dt tbody tr:hover td { background: rgba(76,107,54,0.04); }
.dt .italic { font-family: var(--serif); font-style: italic; font-size: 13px; }
.dt .num { text-align: right; }

/* SIR pills */
.pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 2px;
  letter-spacing: 0.06em;
  min-width: 18px; text-align: center;
}
.pill-S { background: rgba(76,107,54,0.14); color: var(--forest); }
.pill-I { background: rgba(184,137,58,0.16); color: var(--amber); }
.pill-R { background: rgba(138,74,42,0.14);  color: var(--rust); }
.pill-warn { background: rgba(184,137,58,0.20); color: var(--amber); }

/* ── benchmark bars ─────────────────────────────────────────────────────── */
.bench { display: flex; flex-direction: column; gap: 12px; }
.bench-row {
  display: grid;
  grid-template-columns: 1.05fr 2.2fr 56px;
  align-items: center;
  gap: 14px;
}
.bench-label {
  font-family: var(--serif);
  font-size: 13.5px;
  color: var(--text-primary);
  display: flex; flex-direction: column;
}
.bench-label .sub {
  font-family: var(--mono); font-size: 10px;
  color: var(--text-tertiary); margin-top: 2px;
}
.bench-bar {
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 1px;
  overflow: hidden;
  position: relative;
}
.bench-bar .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--text-tertiary), var(--rust));
}
.bench-row.best .bench-label { color: var(--forest); font-weight: 500; }
.bench-bar.best .fill { background: linear-gradient(90deg, var(--forest), var(--teal)); }
.bench-val {
  font-family: var(--mono); font-size: 12px;
  color: var(--text-primary);
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.bench-row.best .bench-val { color: var(--forest); font-weight: 600; }

/* ── spec table (system overview) ───────────────────────────────────────── */
.spec-tbl { width: 100%; font-family: var(--mono); font-size: 11.5px; }
.spec-tbl td { padding: 6px 0; border-bottom: 1px dotted var(--linen); }
.spec-tbl tr:last-child td { border-bottom: 0; }
.spec-tbl .k { color: var(--text-tertiary); width: 42%; }
.spec-tbl .v { color: var(--text-primary); text-align: right; }

/* ── extract screen ─────────────────────────────────────────────────────── */
.extract-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 14px;
  align-items: start;
}

.field-label {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 5px;
}
.field {
  width: 100%;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  outline: 0;
  transition: border-color .15s;
}
.field:focus { border-color: var(--forest); }
select.field {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path d='M3 5l3 3 3-3' fill='none' stroke='%236E6450' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 10px;
  padding-right: 28px;
}
textarea.field { resize: vertical; min-height: 80px; }
textarea.lab-report {
  width: 100%;
  height: 340px;
  white-space: pre;
  font-size: 11px;
  line-height: 1.5;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: auto;
}

/* buttons */
.btn {
  appearance: none;
  border: 1px solid var(--border-1);
  background: var(--bg-primary);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { background: var(--bg-tertiary); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-primary {
  background: var(--text-primary);
  border-color: var(--text-primary);
  color: var(--bg-primary);
}
.btn-primary:hover { background: #2A4A2A; border-color: #2A4A2A; }
.btn-teal {
  background: var(--teal);
  border-color: var(--teal);
  color: #F7F2E2;
}
.btn-teal:hover { background: #245A53; border-color: #245A53; }
.btn-full { width: 100%; }

.btn-link {
  appearance: none;
  background: transparent; border: 0;
  font-family: var(--mono); font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--teal);
  padding: 4px 0;
  cursor: pointer;
}
.btn-link:hover { color: var(--text-primary); text-decoration: underline; }

/* processing dots */
.processing { display: inline-flex; align-items: baseline; gap: 1px; }
.dot-pulse {
  display: inline-block;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: currentColor;
  margin: 0 1px;
  opacity: 0.3;
  animation: dotPulse 1.1s infinite ease-in-out;
}
.dot-pulse:nth-child(2) { animation-delay: 0.15s; }
.dot-pulse:nth-child(3) { animation-delay: 0.30s; }
@keyframes dotPulse {
  0%, 80%, 100% { opacity: 0.25; transform: translateY(0); }
  40%           { opacity: 1.0;  transform: translateY(-2px); }
}

/* banner */
.banner {
  display: flex; align-items: flex-start; gap: 10px;
  background: rgba(45,110,102,0.07);
  border: 1px solid rgba(45,110,102,0.25);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-family: var(--mono); font-size: 11px;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.banner.success { background: rgba(76,107,54,0.07); border-color: rgba(76,107,54,0.30); }
.banner .b-ico {
  font-family: var(--mono); font-weight: 600;
  color: var(--forest);
  flex-shrink: 0;
}

/* ── forecast screen ────────────────────────────────────────────────────── */
.forecast-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 14px;
  align-items: start;
}

.grade-hero {
  background: var(--bg-secondary);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
}
.grade-letter {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 86px;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}
.grade-meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.grade-meta .label {
  font-family: var(--mono); font-size: 9.5px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-tertiary);
}
.grade-meta .name {
  font-family: var(--serif); font-size: 16px;
  color: var(--text-primary);
  line-height: 1.15;
}
.grade-meta .desc {
  font-family: var(--mono); font-size: 10.5px;
  color: var(--text-tertiary);
  line-height: 1.45;
  margin-top: 4px;
}

.metric-label {
  font-family: var(--mono); font-size: 9.5px;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}
.metric-val {
  font-family: var(--serif); font-weight: 400;
  font-size: 36px; line-height: 1.05;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.metric-sub {
  font-family: var(--mono); font-size: 10px;
  color: var(--text-tertiary);
  margin-top: 4px;
  line-height: 1.45;
}

/* range slider */
.slider {
  appearance: none;
  width: 100%; height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  outline: 0;
  cursor: pointer;
}
.slider::-webkit-slider-thumb {
  appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 0 1px var(--text-primary);
  cursor: pointer;
}
.slider::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 2px solid var(--bg-primary);
  cursor: pointer;
}

/* caveat box */
.caveat {
  background: rgba(184,137,58,0.08);
  border: 1px solid rgba(184,137,58,0.30);
  border-radius: var(--radius-sm);
  padding: 9px 11px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.caveat .head {
  font-weight: 600;
  color: var(--amber);
  margin-bottom: 3px;
  letter-spacing: 0.03em;
}

/* ── glass screen ───────────────────────────────────────────────────────── */
.glass-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 14px;
  align-items: start;
}
.glass-doc {
  background: #FFFDF6;
  border: 1px solid var(--border-1);
  border-radius: var(--radius-sm);
  padding: 36px 44px;
  font-family: var(--serif);
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-primary);
  position: relative;
  min-height: 720px;
  box-shadow: 0 1px 0 var(--linen), 0 24px 40px -28px rgba(31,58,31,0.18);
}
.glass-doc::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--text-primary);
}
.glass-stamp {
  position: absolute;
  top: 36px; right: 36px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rust);
  border: 1.5px solid var(--rust);
  padding: 5px 10px;
  transform: rotate(-2deg);
  background: rgba(255,253,246,0.6);
}
.glass-doc h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 22px;
  margin: 0 0 4px;
  letter-spacing: -0.005em;
}
.glass-doc h3 {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 22px 0 8px;
  padding-bottom: 4px;
  border-bottom: 1px dotted var(--linen);
}
.glass-doc .kv {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 4px 14px;
  font-family: var(--mono);
  font-size: 11px;
}
.glass-doc .kv dt { color: var(--text-tertiary); }
.glass-doc .kv dd { margin: 0; color: var(--text-primary); }
.glass-doc .glass-table {
  width: 100%;
  font-family: var(--mono); font-size: 10.5px;
  margin-top: 4px;
}
.glass-doc .glass-table th {
  text-align: left;
  font-weight: 500;
  color: var(--text-tertiary);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 6px;
  border-bottom: 1px solid var(--border-1);
}
.glass-doc .glass-table td {
  padding: 5px 6px;
  border-bottom: 1px dotted var(--linen);
  font-variant-numeric: tabular-nums;
}
.glass-doc p { margin: 0 0 10px; }
.glass-doc .sig {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding-top: 16px;
  border-top: 1px dotted var(--linen);
  font-family: var(--mono);
  font-size: 10.5px;
}
.glass-doc .sig .line {
  border-bottom: 1px solid var(--text-primary);
  height: 28px;
}
.glass-doc .sig .lbl {
  color: var(--text-tertiary);
  margin-top: 4px;
  letter-spacing: 0.04em;
}

/* ── checkboxes / option rows used in glass left panel ──────────────────── */
.opt-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dotted var(--linen);
  font-family: var(--mono); font-size: 11px;
}
.opt-row:last-child { border-bottom: 0; }
.opt-row input[type="checkbox"] {
  appearance: none;
  width: 14px; height: 14px;
  border: 1px solid var(--border-1);
  border-radius: 2px;
  background: var(--bg-primary);
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
}
.opt-row input[type="checkbox"]:checked {
  background: var(--forest);
  border-color: var(--forest);
}
.opt-row input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 3px; top: 1px;
  width: 5px; height: 8px;
  border-right: 1.5px solid #FBF7EB;
  border-bottom: 1.5px solid #FBF7EB;
  transform: rotate(45deg);
}
.opt-row label { flex: 1; cursor: pointer; color: var(--text-primary); }
.opt-row .meta { color: var(--text-tertiary); font-size: 10px; }