/* ==========================================================================
   Bench Racer — spec-sheet / machine-shop UI
   Sharp corners, real 1px rules instead of shadows, condensed headers,
   monospace figures, blueprint grid ground.
   ========================================================================== */

:root {
  color-scheme: dark;

  --ink:        #16181b;   /* page ground - charcoal, not black */
  --panel:      #1c1f23;
  --panel-2:    #212529;
  --well:       #121417;   /* input wells, sunk below the panel */
  --rule:       #2f343a;   /* primary 1px border */
  --rule-soft:  #24282d;
  --grid:       rgba(122, 138, 155, 0.055);

  --text:       #dcdfe3;
  --text-dim:   #949ba4;
  --text-faint: #6b737c;

  --accent:     #e2622c;   /* burnt orange - used sparingly */
  --accent-dim: #a8481f;
  --accent-ink: #1a0f08;
  --warn:       #e0a92c;   /* safety yellow */
  --bad:        #d0524a;
  --good:       #6f9f52;

  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
  --cond: 'Barlow Condensed', 'Roboto Condensed', 'Arial Narrow', system-ui, sans-serif;

  --sidebar-w: 258px;
  --r: 2px;                /* the entire radius budget */
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background-color: var(--ink);
  /* blueprint ground: fine grid, coarser every 5th line */
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(rgba(122,138,155,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122,138,155,0.03) 1px, transparent 1px);
  background-size: 80px 80px, 80px 80px, 16px 16px, 16px 16px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* ---------- masthead ---------------------------------------------- */
.masthead {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: stretch;
  border-bottom: 1px solid var(--rule);
  background: var(--panel);
}

.brand {
  display: flex; align-items: center; gap: 10px;
  width: var(--sidebar-w); flex: 0 0 var(--sidebar-w);
  padding: 0 14px;
  border-right: 1px solid var(--rule);
  text-decoration: none; color: inherit;
}
.brand:hover { text-decoration: none; }

/* stamped-plate wordmark */
.brand-mark {
  font-family: var(--cond);
  font-weight: 700; font-size: 21px; line-height: 1;
  letter-spacing: 0.055em; text-transform: uppercase;
  color: var(--text);
  border: 1px solid var(--accent);
  border-left-width: 4px;
  padding: 7px 9px 5px;
  white-space: nowrap;
}
.brand-mark em { font-style: normal; color: var(--accent); }

.masthead-meta {
  flex: 1; min-width: 0;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 8px 18px;
}
.tagline {
  font-family: var(--cond); font-size: 14px; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--text-faint);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* unit toggle - a hard segmented switch, no pills */
.units { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.units-label {
  font-family: var(--cond); font-size: 12px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-faint);
}
.seg { display: flex; border: 1px solid var(--rule); }
.seg button {
  font-family: var(--cond); font-size: 13px; letter-spacing: 0.09em;
  text-transform: uppercase; font-weight: 600;
  background: transparent; color: var(--text-dim);
  border: 0; border-right: 1px solid var(--rule);
  padding: 5px 11px 4px; cursor: pointer;
}
.seg button:last-child { border-right: 0; }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
.seg button:not([aria-pressed="true"]):hover { background: var(--panel-2); color: var(--text); }

.nav-toggle {
  display: none;
  background: transparent; border: 1px solid var(--rule); color: var(--text);
  font-family: var(--cond); font-size: 14px; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 6px 12px; cursor: pointer;
}

/* ---------- shell -------------------------------------------------- */
.shell { display: flex; align-items: flex-start; }

/* ---------- sidebar ------------------------------------------------ */
.sidebar {
  position: sticky; top: 47px;
  width: var(--sidebar-w); flex: 0 0 var(--sidebar-w);
  height: calc(100vh - 47px); overflow-y: auto;
  border-right: 1px solid var(--rule);
  background: var(--panel);
  padding-bottom: 24px;
}
.sidebar::-webkit-scrollbar { width: 9px; }
.sidebar::-webkit-scrollbar-track { background: var(--panel); }
.sidebar::-webkit-scrollbar-thumb { background: #343940; border: 2px solid var(--panel); }
.sidebar::-webkit-scrollbar-thumb:hover { background: #434951; }

.cat { border-bottom: 1px solid var(--rule-soft); }
.cat-name {
  display: flex; align-items: baseline; gap: 7px;
  font-family: var(--cond); font-size: 12px; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-faint);
  padding: 13px 14px 6px;
}
.cat-name::after {
  content: ''; flex: 1; height: 1px; background: var(--rule);
}
.cat ul { list-style: none; margin: 0; padding: 0 0 8px; }

.nav-link {
  display: flex; align-items: center; gap: 9px;
  padding: 5px 14px 5px 13px;
  color: var(--text-dim); font-size: 12.5px;
  border-left: 3px solid transparent;
  text-decoration: none;
}
.nav-link:hover { background: var(--panel-2); color: var(--text); text-decoration: none; }
.nav-link .dot {
  width: 4px; height: 4px; flex: 0 0 4px;
  background: var(--rule); transform: rotate(45deg);
}
.nav-link[aria-current="page"] {
  background: var(--panel-2); color: var(--text);
  border-left-color: var(--accent); font-weight: 500;
}
.nav-link[aria-current="page"] .dot { background: var(--accent); }

/* ---------- main --------------------------------------------------- */
.main { flex: 1; min-width: 0; padding: 0 0 64px; }
.wrap { max-width: 1000px; padding: 0 26px; }

.calc-head { padding: 26px 0 0; }
.crumb {
  font-family: var(--cond); font-size: 12px; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 6px;
}
h1 {
  font-family: var(--cond); font-weight: 700;
  font-size: clamp(26px, 4.4vw, 38px); line-height: 1.05;
  letter-spacing: 0.005em; margin: 0 0 9px; color: #f0f2f4;
}
.intro { color: var(--text-dim); max-width: 68ch; margin: 0 0 22px; font-size: 12.5px; }
.intro strong { color: var(--text); font-weight: 500; }

/* ---------- panels ------------------------------------------------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  margin-bottom: 20px;
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 8px 14px 7px;
  border-bottom: 1px solid var(--rule);
  background: var(--panel-2);
}
.panel-title {
  font-family: var(--cond); font-size: 12.5px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-dim);
  margin: 0; border: 0; padding: 0;   /* neutralise .prose h2 when used as one */
}
.panel-body { padding: 16px 14px; }

/* ---------- input grid --------------------------------------------- */
.fields {
  display: grid; gap: 12px 16px;
  grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
}
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field label {
  font-family: var(--cond); font-size: 13px; font-weight: 500;
  letter-spacing: 0.055em; text-transform: uppercase; color: var(--text-dim);
  display: flex; align-items: baseline; justify-content: space-between; gap: 8px;
}
.field label .u {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0;
  text-transform: none; color: var(--text-faint); white-space: nowrap;
}
.input-wrap { display: flex; }
.field input, .field select {
  width: 100%; min-width: 0;
  font-family: var(--mono); font-size: 14px; font-variant-numeric: tabular-nums;
  background: var(--well); color: var(--text);
  border: 1px solid var(--rule); border-radius: var(--r);
  padding: 7px 9px;
  appearance: none;
}
.field select {
  background-image: linear-gradient(45deg, transparent 50%, var(--text-faint) 50%),
                    linear-gradient(135deg, var(--text-faint) 50%, transparent 50%);
  background-position: calc(100% - 15px) 14px, calc(100% - 10px) 14px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 26px; cursor: pointer;
}
.field input:focus, .field select:focus {
  outline: none; border-color: var(--accent); background: #15181c;
}
.field input:hover:not(:focus), .field select:hover:not(:focus) { border-color: #3c424a; }
.field input::placeholder { color: var(--text-faint); }
.field input.bad { border-color: var(--bad); }
.hint { font-size: 10.5px; color: var(--text-faint); line-height: 1.4; }
.field.blankable label::after {
  content: 'SOLVE'; font-family: var(--cond); font-size: 10px;
  letter-spacing: 0.12em; color: var(--accent-dim);
}
.field.blankable.is-blank label::after { color: var(--accent); }
.field.blankable.is-blank input { border-color: var(--accent-dim); border-style: dashed; }

.actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.btn {
  font-family: var(--cond); font-size: 14px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  border: 1px solid var(--rule); border-radius: var(--r);
  background: var(--panel-2); color: var(--text);
  padding: 7px 15px 6px; cursor: pointer;
}
.btn:hover { background: #2a2f35; border-color: #444b53; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #ef6d34; border-color: #ef6d34; }

/* ---------- results ------------------------------------------------ */
.results table { width: 100%; border-collapse: collapse; }
.results td {
  padding: 6px 4px; border-bottom: 1px dotted var(--rule);
  vertical-align: baseline;
}
.results tr:last-child td { border-bottom: 0; }
.results .r-label {
  font-family: var(--cond); font-size: 14px; letter-spacing: 0.045em;
  text-transform: uppercase; color: var(--text-dim); width: 55%;
}
.results .r-val {
  text-align: right; font-variant-numeric: tabular-nums;
  font-size: 14px; white-space: nowrap; color: var(--text);
}
.results .r-unit {
  text-align: left; width: 74px; padding-left: 8px;
  color: var(--text-faint); font-size: 11.5px; white-space: nowrap;
}
.results .r-note { color: var(--text-faint); font-size: 11px; }

.results tr.primary .r-label { color: var(--text); font-weight: 600; }
.results tr.primary .r-val {
  font-size: 25px; font-weight: 700; color: var(--accent);
  letter-spacing: -0.01em;
}
.results tr.primary .r-unit { color: var(--text-dim); font-size: 12.5px; }

/* a spacer row used to label a sub-block of results */
.results tr.divider td {
  padding-top: 14px; border-bottom: 1px solid var(--rule);
  font-family: var(--cond); font-size: 11.5px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-faint);
}

/* ---------- callout & errors --------------------------------------- */
.callout {
  margin-top: 14px; padding: 9px 12px;
  border: 1px solid var(--rule); border-left: 3px solid var(--warn);
  background: var(--panel-2); color: var(--text-dim); font-size: 12px;
}
.callout.bad { border-left-color: var(--bad); color: #e8b0ab; }
.callout.good { border-left-color: var(--good); }

.error {
  padding: 11px 13px; border: 1px solid var(--bad);
  border-left-width: 3px; background: rgba(208, 82, 74, 0.07);
  color: #edb4af; font-size: 12.5px;
}
.error strong {
  display: block; font-family: var(--cond); font-size: 13px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--bad);
  margin-bottom: 3px;
}

/* ---------- formula block ------------------------------------------ */
.formula {
  border-top: 1px solid var(--rule);
  background: var(--well);
  padding: 11px 14px 12px;
}
.formula-title {
  font-family: var(--cond); font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: 6px;
}
.formula ol { margin: 0; padding: 0; list-style: none; }
.formula li {
  font-size: 11.5px; color: var(--text-dim); line-height: 1.65;
  padding-left: 13px; position: relative;
}
.formula li::before {
  content: '›'; position: absolute; left: 0; color: var(--accent-dim);
}


/* ---------- written notes -------------------------------------------- */
.prose { max-width: 68ch; }
.prose h2 {
  font-family: var(--cond); font-weight: 600; font-size: 17px;
  letter-spacing: 0.045em; text-transform: uppercase;
  color: var(--text); margin: 20px 0 6px;
  padding-bottom: 5px; border-bottom: 1px solid var(--rule-soft);
}
.prose h2:first-child { margin-top: 0; }
.prose p {
  margin: 0 0 10px; color: var(--text-dim);
  font-size: 12.5px; line-height: 1.72;
}
.prose p:last-child { margin-bottom: 0; }
@media (max-width: 860px) { .prose p { font-size: 13px; } .prose h2 { font-size: 16px; } }

/* ---------- ad slots ----------------------------------------------- */
.ad {
  display: flex; align-items: center; justify-content: center;
  border: 1px dashed var(--rule); background: rgba(255,255,255,0.012);
  color: var(--text-faint); font-family: var(--cond);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  border-radius: var(--r);
}
.ad-leaderboard { min-height: 90px; margin: 20px 0 4px; }
.ad-inline { min-height: 100px; margin: 20px 0; }
.ad-rail { min-height: 250px; margin: 12px 14px; }

/* ---------- footer -------------------------------------------------- */
.foot {
  border-top: 1px solid var(--rule); margin-top: 30px; padding-top: 16px;
  color: var(--text-faint); font-size: 11.5px; max-width: 78ch;
}
.foot p { margin: 0 0 8px; }
.sidebar-foot {
  padding: 12px 14px; color: var(--text-faint); font-size: 10.5px;
  border-top: 1px solid var(--rule-soft); line-height: 1.5;
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.scrim { display: none; }


/* ---------- homepage index ------------------------------------------- */
.index-list { list-style: none; margin: 0; padding: 0; }
.index-list li { border-bottom: 1px dotted var(--rule); }
.index-list li:last-child { border-bottom: 0; }
.index-list a {
  display: block; padding: 9px 6px 10px; color: var(--text-dim);
  text-decoration: none; border-left: 3px solid transparent;
}
.index-list a:hover {
  background: var(--panel-2); border-left-color: var(--accent); text-decoration: none;
}
.index-list strong {
  display: block; font-family: var(--cond); font-weight: 600; font-size: 16px;
  letter-spacing: 0.03em; color: var(--text); margin-bottom: 1px;
}
.index-list a:hover strong { color: var(--accent); }
.index-list span { display: block; font-size: 11.5px; line-height: 1.5; }
@media (max-width: 860px) { .index-list a { padding: 12px 8px; } }


/* ---------- account / auth ------------------------------------------- */
.account { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.account a, .account button.linkish {
  font-family: var(--cond); font-size: 13px; font-weight: 600;
  letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--text-dim); text-decoration: none;
  background: none; border: 0; padding: 5px 4px; cursor: pointer;
}
.account a:hover, .account button.linkish:hover { color: var(--text); text-decoration: none; }
.account .whoami { color: var(--text-faint); font-size: 11px; letter-spacing: 0; }
.tab-analytics {
  border: 1px solid var(--accent) !important;
  color: var(--accent) !important; padding: 5px 11px 4px !important;
}
.tab-analytics:hover { background: var(--accent); color: var(--accent-ink) !important; }

.auth-wrap { max-width: 420px; }
.auth-tabs { display: flex; border: 1px solid var(--rule); margin-bottom: 18px; }
.auth-tabs button {
  flex: 1; font-family: var(--cond); font-size: 13px; font-weight: 600;
  letter-spacing: 0.09em; text-transform: uppercase;
  background: transparent; color: var(--text-dim);
  border: 0; border-right: 1px solid var(--rule); padding: 9px 6px 8px; cursor: pointer;
}
.auth-tabs button:last-child { border-right: 0; }
.auth-tabs button[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); }
.auth-form .field { margin-bottom: 12px; }
.auth-note { font-size: 11.5px; color: var(--text-faint); margin-top: 10px; line-height: 1.6; }
.auth-msg { margin-top: 12px; font-size: 12.5px; }
.auth-msg.err { color: #e8b0ab; border-left: 3px solid var(--bad); padding-left: 9px; }
.auth-msg.good { color: #b7d6a0; border-left: 3px solid var(--good); padding-left: 9px; }
.pw-meter { height: 3px; background: var(--rule); margin-top: 5px; }
.pw-meter i { display: block; height: 100%; width: 0; background: var(--bad); transition: width .15s, background .15s; }

/* ---------- dashboard ------------------------------------------------- */
.tiles {
  display: grid; gap: 12px; margin-bottom: 20px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}
.tile { border: 1px solid var(--rule); background: var(--panel); padding: 12px 13px; }
.tile .k {
  font-family: var(--cond); font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-faint);
  margin-bottom: 4px;
}
.tile .v {
  font-size: 27px; font-weight: 700; color: var(--text);
  font-variant-numeric: tabular-nums; line-height: 1.1;
}
.tile .v.live { color: var(--accent); }
.tile .sub { font-size: 11px; color: var(--text-faint); margin-top: 2px; }

.chart-figure { margin: 0 0 4px; }
.chart-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.chart-legend { display: flex; gap: 14px; align-items: center; }
.chart-legend span {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; color: var(--text-dim);
}
.chart-legend i { width: 9px; height: 9px; display: inline-block; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid line { stroke: var(--rule-soft); stroke-width: 1; }
.chart .axis text { fill: var(--text-faint); font-size: 10px; font-family: var(--mono); }
.chart .axis line { stroke: var(--rule); }
.chart .mark-label { fill: var(--text-dim); font-size: 10.5px; font-family: var(--mono); }
.chart-empty {
  border: 1px dashed var(--rule); padding: 26px; text-align: center;
  color: var(--text-faint); font-size: 12px;
}
.tip {
  position: fixed; z-index: 90; pointer-events: none;
  background: var(--panel-2); border: 1px solid var(--rule);
  padding: 6px 9px; font-size: 11.5px; color: var(--text);
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.tip .t-k { color: var(--text-faint); }
.tip b { font-weight: 700; }

.dash-table { width: 100%; border-collapse: collapse; }
.dash-table th {
  text-align: left; font-family: var(--cond); font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-faint);
  padding: 4px 6px; border-bottom: 1px solid var(--rule);
}
.dash-table td {
  padding: 5px 6px; border-bottom: 1px dotted var(--rule-soft); font-size: 12px;
}
.dash-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.dash-table tr:last-child td { border-bottom: 0; }
.range { display: flex; gap: 0; border: 1px solid var(--rule); }
.range button {
  font-family: var(--cond); font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase; background: transparent; color: var(--text-dim);
  border: 0; border-right: 1px solid var(--rule); padding: 5px 10px 4px; cursor: pointer;
}
.range button:last-child { border-right: 0; }
.range button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
@media (max-width: 860px) {
  .account a, .account button.linkish { font-size: 12px; padding: 5px 2px; }
  .account .whoami { display: none; }
  .tile .v { font-size: 22px; }
}

/* ---------- responsive ---------------------------------------------- */
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .brand { width: auto; flex: 0 0 auto; border-right: 0; padding: 0 0 0 10px; }
  .masthead-meta { padding: 7px 10px; gap: 8px; min-width: 0; }
  .tagline { display: none; }
  .units-label { display: none; }
  /* everything must fit across a 320px masthead without clipping */
  .brand-mark { font-size: 16px; padding: 5px 7px 4px; border-left-width: 3px; }
  .nav-toggle { padding: 5px 9px; font-size: 12.5px; flex: 0 1 auto;
                overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .seg { flex: 0 0 auto; }
  .seg button { padding: 5px 8px 4px; font-size: 12px; letter-spacing: 0.05em; }

  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 60;
    height: 100vh; width: 280px; flex-basis: 280px;
    transform: translateX(-100%);
    transition: transform 0.18s ease-out;
    border-right: 1px solid var(--rule);
  }
  body.nav-open .sidebar { transform: none; }
  body.nav-open .scrim {
    display: block; position: fixed; inset: 0; z-index: 50;
    background: rgba(0,0,0,0.62);
  }
  body.nav-open { overflow: hidden; }
  .wrap { padding: 0 15px; }
  .fields { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 11px 12px; }

  /* Touch sizing: 16px inputs stop iOS Safari zooming on focus, and the
     taller padding brings tap targets up to roughly 44px. */
  .field input, .field select { font-size: 16px; padding: 9px 10px; }
  .field select { background-position: calc(100% - 15px) 17px, calc(100% - 10px) 17px; }
  .nav-link { padding: 12px 14px 12px 13px; font-size: 13.5px; }
  .btn { padding: 11px 16px 10px; }
  .seg button { padding-top: 8px; padding-bottom: 7px; }
  .results .r-label { width: auto; font-size: 13px; }
  .results tr.primary .r-val { font-size: 21px; }
  h1 { font-size: 25px; }
}

@media (max-width: 420px) {
  .fields { grid-template-columns: 1fr 1fr; }
  .results .r-unit { width: 56px; font-size: 10.5px; }
  .brand-mark { font-size: 14px; letter-spacing: 0.03em; }
  .nav-toggle { font-size: 11.5px; padding: 5px 7px; }
  .seg button { padding: 5px 6px 4px; font-size: 11px; }
  .intro { font-size: 12px; }
}

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

/* ---------- print: results as a build sheet -------------------------- */
@media print {
  body { background: #fff; color: #000; }
  .masthead, .sidebar, .ad, .actions, .nav-toggle, .scrim { display: none !important; }
  .main, .wrap { padding: 0; max-width: none; }
  .panel, .panel-head, .formula { background: #fff; border-color: #999; }
  .results .r-label, .results .r-val, .results tr.primary .r-val,
  h1, .intro, .formula li { color: #000 !important; }
  .results tr.primary .r-val { font-size: 18px; }
}