/* ============================================================
   QUICKFIRE - visual system
   A precision trading-terminal identity: real typography,
   hairline structure, market colour used only for meaning,
   one high-contrast call to action per screen.
   ============================================================ */

/* ---------- typeface: self-hosted, no external requests ---------- */
@font-face {
  font-family: "Space Grotesk";
  src: url("fonts/space-grotesk-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("fonts/space-grotesk-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("fonts/space-grotesk-700.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/ibm-plex-mono-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}

:root {
  color-scheme: dark;

  /* surfaces - neutral graphite, not blue-black */
  --bg:        #0a0b0d;
  --panel:     #101216;
  --panel-2:   #15181e;
  --rule:      #22252c;
  --rule-2:    #2d313a;

  /* ink */
  --ink:   #f2f3f5;
  --dim:   #868d97;
  --faint: #565c66;

  /* market colour - meaning only */
  --up:   #35d07f;   /* bid / positive / correct */
  --down: #ff5d6c;   /* ask / negative / wrong   */

  /* single signal accent - live / active / focus / timer, used sparingly */
  --signal:     #f5a623;
  --signal-dim: rgba(245, 166, 35, 0.12);

  /* primary action = chalk (inverted), impossible to miss */
  --chalk: #f2f3f5;

  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --sans: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;

  --r: 3px;              /* the only radius, on small controls */
  --maxw: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
input, select, button, textarea { font: inherit; color: inherit; }

html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
body::selection, ::selection { background: var(--signal); color: #0a0b0d; }

/* tabular figures everywhere numbers live */
.mono, .drill-clock, .leader-score, .kpi-value, .ob-price, .ob-size,
.mm-book-val, .test-meta, .builder-total { font-variant-numeric: tabular-nums; }

/* keep credential autofill on-theme */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--ink);
  -webkit-box-shadow: 0 0 0 1000px var(--panel) inset;
  box-shadow: 0 0 0 1000px var(--panel) inset;
  caret-color: var(--ink);
  transition: background-color 9999s ease-out;
}

/* shared focus treatment */
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }

/* ============================================================
   top bar
   ============================================================ */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 30px;
  border-bottom: 1px solid var(--rule);
}
.brand, .brand-link {
  background: none; border: none; padding: 0; cursor: pointer;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
  display: inline-block;
}
.brand span { color: var(--signal); }
nav { display: flex; align-items: center; gap: 4px; }
.navlink {
  background: none; border: none;
  color: var(--dim);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  padding: 8px 12px;
  text-decoration: none;
  display: inline-block;
  transition: color 120ms ease;
}
.navlink.active, .navlink:hover { color: var(--ink); }

.avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; margin-left: 10px;
  border: 1px solid var(--rule-2);
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  transition: border-color 120ms ease, color 120ms ease;
}
.avatar:hover { border-color: var(--signal); color: var(--signal); }
.avatar-here { cursor: default; }

/* ============================================================
   mode tabs (Maths / Market making) - underline, not pills
   ============================================================ */
.mode-bar { display: flex; justify-content: center; padding: 24px 24px 0; }
.mode-switch { display: inline-flex; gap: 30px; border-bottom: 1px solid var(--rule); }
.mode-btn {
  background: none; border: none;
  color: var(--dim);
  font-size: 15px;
  font-weight: 500;
  padding: 10px 2px;
  margin-bottom: -1px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 120ms ease, border-color 120ms ease;
}
.mode-btn:hover { color: var(--ink); }
.mode-btn.active { color: var(--ink); border-bottom-color: var(--signal); }

/* ============================================================
   layout scaffolding
   ============================================================ */
.screen {
  flex: 1;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 34px 30px 48px;
  display: flex;
  flex-direction: column;
}
.hidden { display: none !important; }
.offscreen { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.lede { color: var(--dim); font-size: 15.5px; line-height: 1.6; margin-bottom: 24px; max-width: 62ch; }
.footnote { color: var(--faint); font-size: 12.5px; margin-top: 28px; }
.footnote code, .lede code { font-family: var(--mono); font-size: 12px; color: var(--ink); }
.hint-touch { display: none; }
@media (hover: none) and (pointer: coarse) {
  .hint-keys { display: none; }
  .hint-touch { display: inline; }
}

/* eyebrow / section label */
.subhead {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--dim);
  margin: 30px 0 12px;
}
.subhead-spaced { margin-top: 38px; }

/* ============================================================
   masthead (home signature)
   ============================================================ */
.masthead { padding-bottom: 28px; margin-bottom: 30px; border-bottom: 1px solid var(--rule); }
.mast-ticker {
  display: flex; align-items: center; flex-wrap: wrap; gap: 14px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 24px;
}
.mast-live { display: inline-flex; align-items: center; gap: 8px; color: var(--signal); }
.mast-dot {
  width: 7px; height: 7px; background: var(--signal);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(245, 166, 35, 0.55);
  animation: tick 2.4s ease-out infinite;
}
@keyframes tick {
  0% { box-shadow: 0 0 0 0 rgba(245, 166, 35, 0.5); }
  70%, 100% { box-shadow: 0 0 0 7px rgba(245, 166, 35, 0); }
}
.mast-sep { color: var(--rule-2); }
.mast-title {
  font-size: clamp(2.3rem, 5.4vw, 3.9rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.02;
  max-width: 15ch;
}
.mast-title em { font-style: normal; color: var(--signal); }
.mast-sub { color: var(--dim); font-size: 16.5px; line-height: 1.6; margin-top: 18px; max-width: 56ch; }

/* ============================================================
   home layout
   ============================================================ */
.home-layout { flex: 1; display: flex; gap: 34px; min-height: 0; align-items: flex-start; }
.home-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.home-side { width: 340px; flex-shrink: 0; display: flex; flex-direction: column; }

/* session length + actions */
.timer-row {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  margin-bottom: 26px;
}
.timer-label {
  font-family: var(--mono);
  color: var(--dim);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}
.chips { display: flex; gap: 0; flex-wrap: wrap; border: 1px solid var(--rule); }
.chip {
  background: var(--panel);
  border: none;
  border-right: 1px solid var(--rule);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 13px;
  padding: 8px 16px;
  cursor: pointer;
  transition: color 120ms ease, background 120ms ease;
}
.chip:last-child { border-right: none; }
.chip:hover { color: var(--ink); }
.chip.active { color: #0a0b0d; background: var(--signal); font-weight: 500; }

.btn-create {
  background: none;
  border: 1px solid var(--rule-2);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12.5px;
  padding: 8px 16px;
  cursor: pointer;
  transition: border-color 120ms ease, color 120ms ease;
}
.btn-create:hover { border-color: var(--signal); color: var(--signal); }
.btn-create + .btn-create { margin-left: -1px; }
#btn-mock { margin-left: 0; }
.timer-row #btn-create-test { margin-left: auto; }

/* ============================================================
   drill catalogue - a ruled instrument board, not a card grid
   ============================================================ */
.cards {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
  gap: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
  min-height: 0;
}
.card {
  position: relative;
  background: var(--panel);
  border: none;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  color: var(--ink);
  text-align: left;
  padding: 20px 20px 18px 22px;
  min-height: 118px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 5px;
  transition: background 120ms ease;
}
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: transparent;
  transition: background 120ms ease;
}
.card:hover { background: var(--panel-2); }
.card:hover::before { background: var(--signal); }
.card-icon {
  font-family: var(--mono);
  font-size: 15px;
  color: var(--dim);
  margin-bottom: 8px;
}
.card-icon-sm { font-size: 14px; }
.card-name { font-size: 19px; font-weight: 500; letter-spacing: -0.01em; }
.card-sub { font-size: 13px; color: var(--dim); line-height: 1.45; }
.card-mock { border-style: solid; }
.card.disabled { opacity: 0.4; cursor: not-allowed; }
.card.disabled:hover { background: var(--panel); }
.card.disabled:hover::before { background: transparent; }

/* ============================================================
   leaderboard rail
   ============================================================ */
.leader-show-row { display: flex; justify-content: flex-end; margin-bottom: 6px; }
.leader-toggle {
  background: none; border: none;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  padding: 4px 6px;
  cursor: pointer;
}
.leader-toggle:hover { color: var(--signal); }
#leader-show { border: 1px solid var(--rule-2); }
#leader-show:hover { border-color: var(--signal); }

.leader-box {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-top: 2px solid var(--signal);
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 440px;
}
.leader-head { display: flex; align-items: baseline; justify-content: space-between; }
.leader-box .subhead { margin: 0 0 2px; }
.leader-sub { color: var(--dim); font-size: 12px; line-height: 1.5; margin-bottom: 14px; }
.leader-select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--rule);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13.5px;
  padding: 10px 12px;
  margin-bottom: 12px;
  cursor: pointer;
}
.leader-select:hover { border-color: var(--rule-2); }
.leader-list { list-style: none; flex: 1; }
.leader-sec {
  list-style: none;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 14px 0 5px;
  border-bottom: 1px solid var(--rule);
}
.leader-none { list-style: none; color: var(--faint); font-size: 13px; padding: 6px 0; }
.leader-row {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
}
.leader-row:last-child { border-bottom: none; }
.leader-rank {
  font-family: var(--mono);
  color: var(--faint);
  width: 22px; flex-shrink: 0;
  font-size: 12px;
  text-align: right;
}
.leader-rank.medal { color: var(--signal); font-weight: 500; }
.leader-rank.r1 { color: var(--signal); }
.leader-rank.r2 { color: var(--dim); }
.leader-rank.r3 { color: #b98a5a; }
.leader-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.leader-score { font-family: var(--mono); font-size: 14px; flex-shrink: 0; color: var(--ink); }
.leader-row.me .leader-name { color: var(--signal); font-weight: 500; }
.leader-empty { color: var(--faint); font-size: 13px; padding: 8px 0; }

@media (max-width: 900px) {
  .home-layout { flex-direction: column; }
  .home-side { width: 100%; }
}

/* ============================================================
   profile toggle switch
   ============================================================ */
.switch-row {
  display: flex; align-items: center; gap: 12px;
  margin: 4px 0 16px;
  font-size: 14.5px;
  cursor: pointer;
}
.switch { position: relative; display: inline-block; width: 42px; height: 24px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.switch-track {
  position: absolute; inset: 0;
  background: var(--rule-2);
  transition: background 120ms ease;
}
.switch-track::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 18px; height: 18px;
  background: var(--dim);
  transition: transform 120ms ease, background 120ms ease;
}
.switch input:checked + .switch-track { background: var(--signal-dim); }
.switch input:checked + .switch-track::after { transform: translateX(18px); background: var(--signal); }

.turnstile-slot { margin: 4px 0 10px; }

/* ============================================================
   saved tests
   ============================================================ */
.saved-tests { margin-top: 30px; }
.saved-hint { color: var(--dim); font-size: 12.5px; margin-bottom: 14px; }
.test-list { display: flex; flex-wrap: wrap; gap: 10px; }
.test-row { display: flex; align-items: stretch; }
.test-run {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-right: none;
  color: var(--ink);
  text-align: left;
  padding: 11px 16px;
  cursor: pointer;
  display: flex; flex-direction: column; gap: 3px;
  transition: border-color 120ms ease;
}
.test-run:hover { border-color: var(--signal); }
.test-name { font-weight: 500; font-size: 15px; }
.test-meta { color: var(--dim); font-family: var(--mono); font-size: 11.5px; }
.test-del {
  background: var(--panel);
  border: 1px solid var(--rule);
  color: var(--dim);
  font-size: 15px;
  padding: 0 13px;
  cursor: pointer;
}
.test-del:hover { color: var(--down); border-color: var(--down); }

/* ============================================================
   buttons
   ============================================================ */
.btn {
  background: none;
  border: 1px solid var(--rule-2);
  color: var(--ink);
  font-size: 14.5px;
  font-weight: 500;
  padding: 11px 22px;
  cursor: pointer;
  border-radius: var(--r);
  transition: border-color 120ms ease, background 120ms ease, color 120ms ease;
}
.btn:hover { border-color: var(--dim); background: var(--panel-2); }
a.btn { text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }

/* primary = chalk, the one unmissable action */
.btn-primary {
  background: var(--chalk);
  border-color: var(--chalk);
  color: #0a0b0d;
  font-weight: 500;
}
.btn-primary:hover { background: #ffffff; border-color: #ffffff; color: #0a0b0d; }

.btn-danger { border-color: rgba(255, 93, 108, 0.5); color: var(--down); }
.btn-danger:hover { background: rgba(255, 93, 108, 0.1); border-color: var(--down); }

.btn-back {
  border: none;
  color: var(--dim);
  padding: 6px 0;
  font-size: 13.5px;
  margin-right: 4px;
}
.btn-back:hover { color: var(--ink); background: none; }

.btn-row { display: flex; gap: 10px; margin-top: 26px; flex-wrap: wrap; }

.or-row {
  color: var(--faint);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin: 18px 0 14px;
}
.btn-google { display: inline-flex; align-items: center; gap: 10px; }
.btn-google svg { flex-shrink: 0; }

/* ============================================================
   builder / forms / code loader
   ============================================================ */
.builder-form { max-width: 580px; }
.field-row { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.field-row label { width: 160px; color: var(--dim); font-size: 14px; flex-shrink: 0; }
.field-row input,
.code-row input,
.leader-select {
  border-radius: var(--r);
}
.field-row input {
  flex: 1; min-width: 0;
  background: var(--panel);
  border: 1px solid var(--rule);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  padding: 10px 12px;
}
.field-row input:focus,
.count-row input:focus,
.code-row input:focus,
.mm-field input:focus,
.answer-input:focus,
.leader-select:focus-visible {
  outline: none;
  border-color: var(--signal);
}

.count-grid { border: 1px solid var(--rule); margin-bottom: 16px; }
.count-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--rule);
}
.count-row:last-child { border-bottom: none; }
.count-row label { font-size: 14.5px; }
.count-note { color: var(--dim); font-size: 12px; }
.count-row input {
  width: 84px; flex-shrink: 0;
  background: var(--bg);
  border: 1px solid var(--rule);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  text-align: center;
  padding: 7px 8px;
  border-radius: var(--r);
}
.builder-total { font-family: var(--mono); font-size: 14px; color: var(--dim); margin-bottom: 6px; }
.builder-total b { color: var(--ink); }
.builder-msg { color: var(--down); font-size: 13.5px; min-height: 18px; }

.code-loader { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--rule); }
.code-hint { color: var(--dim); font-size: 13.5px; margin-bottom: 10px; }
.code-row { display: flex; gap: 8px; }
.code-row input {
  flex: 1; min-width: 0;
  background: var(--panel);
  border: 1px solid var(--rule);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 15px;
  padding: 10px 12px;
}
.code-msg-ok { color: var(--up) !important; }

/* ============================================================
   market making - intro
   ============================================================ */
.mm-hero { padding: 6px 0 4px; }
.mm-eyebrow {
  display: inline-block;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.mm-title {
  font-size: clamp(2.2rem, 5.4vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin-bottom: 16px;
  max-width: 18ch;
}
.mm-tagline { max-width: 60ch; color: var(--dim); font-size: 16px; line-height: 1.6; }

/* the market-making loop is a genuine sequence, shown as ruled steps */
.mm-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 40px 0 34px;
  border: 1px solid var(--rule);
}
.mm-step {
  padding: 22px 22px 24px;
  border-right: 1px solid var(--rule);
}
.mm-step:last-child { border-right: none; }
.mm-step-n {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal);
  margin-bottom: 14px;
}
.mm-step h3 { font-size: 16px; font-weight: 500; margin-bottom: 7px; }
.mm-step p { color: var(--dim); font-size: 13.5px; line-height: 1.55; }

.mm-modes-label {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin-bottom: 12px;
}
.mm-modes { display: flex; gap: 0; margin-bottom: 8px; flex-wrap: wrap; border: 1px solid var(--rule); width: fit-content; max-width: 100%; }
.mm-mode-btn {
  background: var(--panel);
  border: none;
  border-right: 1px solid var(--rule);
  color: var(--dim);
  font-size: 13.5px;
  font-weight: 500;
  padding: 10px 22px;
  cursor: pointer;
  transition: color 120ms ease, background 120ms ease;
}
.mm-mode-btn:last-child { border-right: none; }
.mm-mode-btn:hover { color: var(--ink); }
.mm-mode-btn.active { color: #0a0b0d; background: var(--signal); font-weight: 500; }
.mm-mode-desc {
  color: var(--dim); font-size: 13.5px; max-width: 56ch;
  margin: 14px 0 20px; min-height: 20px; line-height: 1.55;
}
.mm-hint-toggle { max-width: 560px; margin: 4px 0 20px; }
.mm-cta-row { display: flex; }
.mm-cta { padding: 13px 34px; font-size: 15px; }
.mm-points-line { color: var(--signal); font-family: var(--mono); font-size: 13px; margin-top: 18px; }
.mm-points-earned { color: var(--signal); font-family: var(--mono); font-size: 14px; margin: 10px 0 4px; }

@media (max-width: 640px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .card { padding: 16px 14px 14px 16px; min-height: 104px; }
  .card-name { font-size: 17px; }
  .card-sub { font-size: 12.5px; }
  .mm-steps { grid-template-columns: 1fr; }
  .mm-step { border-right: none; border-bottom: 1px solid var(--rule); }
  .mm-step:last-child { border-bottom: none; }
}

/* back link */
.mm-back {
  background: none; border: none;
  color: var(--dim);
  font-size: 13.5px;
  padding: 4px 0;
  margin-bottom: 18px;
  cursor: pointer;
}
.mm-back:hover { color: var(--ink); }

/* hint mode */
.mm-hint {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--signal);
  padding: 12px 16px;
  margin-bottom: 16px;
}
.mm-hint-line { font-family: var(--mono); font-size: 14px; color: var(--ink); padding: 3px 0; }
.mm-hint-tip { color: var(--signal); font-size: 13px; line-height: 1.5; margin-top: 8px; }

/* ============================================================
   market making - play
   ============================================================ */
.mm-play-body { display: flex; gap: 26px; align-items: flex-start; }
.mm-play-main { flex: 1; min-width: 0; }
.mm-book {
  width: 232px; flex-shrink: 0;
  background: var(--panel);
  border: 1px solid var(--rule);
  padding: 16px 16px 18px;
}
.mm-book-title {
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--dim);
  margin-bottom: 12px;
}

/* live order book */
.ob-row {
  display: flex; align-items: baseline; gap: 8px;
  padding: 8px 10px;
  font-family: var(--mono);
}
.ob-ask { background: rgba(255, 93, 108, 0.1); }
.ob-bid { background: rgba(53, 208, 127, 0.1); }
.ob-tag { font-size: 9px; letter-spacing: 0.1em; width: 34px; flex-shrink: 0; text-transform: uppercase; }
.ob-ask .ob-tag { color: var(--down); }
.ob-bid .ob-tag { color: var(--up); }
.ob-price { flex: 1; font-size: 17px; font-weight: 500; text-align: right; }
.ob-ask .ob-price { color: var(--down); }
.ob-bid .ob-price { color: var(--up); }
.ob-size { font-size: 12.5px; color: var(--dim); width: 42px; text-align: right; }
.ob-empty {
  padding: 8px 10px; color: var(--faint);
  font-family: var(--mono); font-size: 12px; text-align: right;
}
.ob-mid {
  text-align: center; color: var(--dim);
  font-family: var(--mono); font-size: 11px;
  padding: 8px 0; margin: 4px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.ob-tight { color: var(--up); font-weight: 500; }
.ob-wide { color: var(--signal); font-weight: 500; }

.mm-ladder { margin-top: 18px; padding-top: 6px; border-top: 1px solid var(--rule); }
.mm-book-row {
  display: flex; justify-content: space-between; align-items: baseline; gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--rule);
}
.mm-book-row:last-child { border-bottom: none; }
.mm-book-val { font-family: var(--mono); font-size: 15px; }
.mm-book-label { color: var(--dim); font-size: 11px; }
.mm-book-row.current .mm-book-val { color: var(--signal); font-weight: 500; }
.mm-book-next { color: var(--dim); font-family: var(--mono); font-size: 12px; padding-top: 10px; }

@media (max-width: 640px) {
  .mm-play-body { flex-direction: column; }
  .mm-book { width: 100%; order: -1; }
}

/* the scenario / question */
.mm-scenario {
  font-family: var(--mono);
  font-size: clamp(1.4rem, 4vw, 2.1rem);
  line-height: 1.3;
  margin: 6px 0 24px;
}
.mm-scenario b { color: var(--signal); font-weight: 500; }
.mm-tape {
  border: 1px solid var(--rule);
  padding: 12px 16px;
  min-height: 92px;
  margin-bottom: 20px;
  background: var(--panel);
}
.mm-tape-empty { color: var(--faint); font-size: 13.5px; }
.mm-fill { display: flex; gap: 12px; font-family: var(--mono); font-size: 14.5px; padding: 5px 0; }
.mm-fill-n { color: var(--faint); width: 22px; flex-shrink: 0; }
.mm-quote { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 14px; }
.mm-field { display: flex; flex-direction: column; gap: 7px; }
.mm-field label {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.mm-field input {
  width: 122px;
  background: var(--panel);
  border: 1px solid var(--rule);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 19px;
  padding: 10px 12px;
  border-radius: var(--r);
}
.mm-feedback { min-height: 22px; font-size: 15px; color: var(--ink); margin-bottom: 14px; }
.mm-feedback.mm-warn { color: var(--signal); }
.mm-feedback.mm-ok { color: var(--up); }
.mm-note { color: var(--dim); font-size: 13.5px; line-height: 1.6; margin-top: 16px; }

/* ============================================================
   drill
   ============================================================ */
.timebar { height: 3px; width: 100%; background: var(--rule); overflow: hidden; }
.timebar-fill {
  height: 100%; width: 100%;
  background: var(--signal);
  transform-origin: left;
  transition: transform 100ms linear;
}
.timebar-fill.urgent { background: var(--down); }

.drill-status {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-top: 16px;
  color: var(--dim);
  font-size: 13px;
}
.drill-cat { font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.14em; font-size: 11px; color: var(--signal); }
.drill-count { font-family: var(--mono); font-size: 12.5px; }
.drill-clock { font-family: var(--mono); font-size: 16px; color: var(--ink); }
.drill-clock.urgent { color: var(--down); }

.drill-center {
  flex: 1;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  gap: 30px;
  padding-bottom: 44px;
}
.question {
  font-family: var(--mono);
  font-size: clamp(2.2rem, 7.5vw, 4.6rem);
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
  letter-spacing: -0.02em;
  max-width: 100%;
  overflow-wrap: anywhere;
}
.question.small { font-size: clamp(1.2rem, 3.4vw, 2rem); }
.answer-input {
  background: var(--panel);
  border: 1px solid var(--rule-2);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 28px;
  text-align: center;
  padding: 13px 18px;
  width: min(360px, 90%);
  border-radius: var(--r);
}
.hint { color: var(--dim); font-size: 13px; }

/* ============================================================
   results / history / blotter
   ============================================================ */
.results-title { font-size: 30px; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 12px; }
.scoreline { font-family: var(--mono); font-size: 15px; color: var(--dim); margin-bottom: 22px; }
.scoreline b { color: var(--ink); font-weight: 500; }

.blotter-wrap { overflow-x: auto; border: 1px solid var(--rule); }
.blotter { width: 100%; border-collapse: collapse; font-size: 14px; }
.blotter th {
  text-align: left;
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dim);
  font-weight: 500;
  padding: 11px 14px;
  border-bottom: 1px solid var(--rule);
  background: var(--panel);
  white-space: nowrap;
}
.blotter td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 13px;
  white-space: nowrap;
}
.blotter td.q-text { white-space: normal; min-width: 180px; font-family: var(--sans); }
.blotter tr:last-child td { border-bottom: none; }
.blotter tr.sample-row td { color: var(--faint); font-style: italic; }
.blotter tr.row-wrong td { background: rgba(255, 93, 108, 0.06); }
.blotter tr.mm-round-head td {
  background: var(--signal-dim);
  color: var(--signal);
  font-weight: 500;
  white-space: normal;
}
tr.clickable-row { cursor: pointer; }
tr.clickable-row:hover td { background: var(--panel-2); }
.mark-good { color: var(--up); }
.mark-mid { color: var(--signal); }
.mark-bad { color: var(--down); }

/* ============================================================
   dashboard
   ============================================================ */
.dash { max-width: var(--maxw); }
.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 0;
  margin-bottom: 24px;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.kpi {
  background: var(--panel);
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 16px 18px;
}
.kpi-value { font-family: var(--mono); font-size: 26px; letter-spacing: -0.01em; }
.kpi-label {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 6px;
}

.filter-row { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.select {
  background: var(--panel);
  border: 1px solid var(--rule);
  color: var(--ink);
  font-size: 14px;
  padding: 8px 10px;
  border-radius: var(--r);
}

.charts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 14px; }
.chart-card {
  background: var(--panel);
  border: 1px solid var(--rule);
  padding: 6px 18px 16px;
  margin-bottom: 14px;
}
.chart-card .subhead { margin: 14px 0 8px; }
.chart-mount svg { width: 100%; height: auto; display: block; }
.chart-empty { color: var(--faint); font-size: 13.5px; padding: 24px 0; }

.activity-mount { overflow-x: auto; padding: 8px 0 6px; }
.act0 { fill: #15181e; }
.act1 { fill: rgba(245, 166, 35, 0.28); }
.act2 { fill: rgba(245, 166, 35, 0.5); }
.act3 { fill: rgba(245, 166, 35, 0.74); }
.act4 { fill: var(--signal); }
.act:hover { stroke: var(--ink); stroke-width: 1; }

.gridline { stroke: var(--rule); stroke-width: 1; }
.zeroline { stroke: var(--rule-2); stroke-width: 1.5; }
.axis-text { fill: var(--dim); font-family: var(--mono); font-size: 11px; }
.value-text { fill: var(--ink); font-family: var(--mono); font-size: 12px; }
.series-line { fill: none; stroke: var(--signal); stroke-width: 2; stroke-linejoin: round; }
.series-dot { fill: var(--signal); }
.crosshair { stroke: var(--dim); stroke-width: 1; stroke-dasharray: 3 3; }

.hbars { padding: 8px 0 4px; }
.hbar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.hbar-name { width: 110px; flex-shrink: 0; color: var(--dim); font-size: 13px; text-align: right; }
.hbar-track { flex: 1; height: 12px; background: var(--rule); }
.hbar-fill { height: 100%; background: var(--signal); min-width: 2px; }
.hbar-value { width: 90px; flex-shrink: 0; font-family: var(--mono); font-size: 12.5px; }

.tooltip {
  position: fixed; z-index: 10;
  background: var(--panel-2);
  border: 1px solid var(--rule-2);
  padding: 8px 11px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
  pointer-events: none;
  max-width: 260px;
}
.tooltip b { color: var(--ink); font-weight: 500; }

/* ============================================================
   context menu / modals
   ============================================================ */
.ctx-menu {
  position: fixed; z-index: 40;
  background: var(--panel-2);
  border: 1px solid var(--rule-2);
  padding: 4px;
  min-width: 150px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.ctx-item {
  display: block; width: 100%; text-align: left;
  background: none; border: none;
  color: var(--ink);
  font-size: 14px;
  padding: 9px 12px;
  cursor: pointer;
}
.ctx-item:hover { background: var(--rule); }

.modal-overlay {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(6, 7, 9, 0.78);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.modal-card {
  background: var(--panel);
  border: 1px solid var(--rule-2);
  border-top: 2px solid var(--signal);
  padding: 28px;
  max-width: 460px;
  width: 100%;
}
.modal-card .lede { margin-bottom: 18px; }
.modal-card .lede b { color: var(--ink); }
.modal-card.modal-wide { max-width: 780px; width: 92vw; max-height: 85vh; overflow-y: auto; }
.share-code-box {
  background: var(--bg);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--signal);
  padding: 14px 16px;
  margin-bottom: 8px;
  overflow-x: auto;
}
.share-code-box code { font-family: var(--mono); font-size: 16px; color: var(--signal); word-break: break-all; }
.share-copied { color: var(--up); font-size: 13px; min-height: 18px; margin-bottom: 4px; }

/* ============================================================
   footer / legal
   ============================================================ */
.site-footer {
  display: flex; justify-content: center; align-items: center; gap: 12px;
  padding: 20px 24px 24px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 12px;
}
.site-footer a { color: var(--dim); text-decoration: none; }
.site-footer a:hover { color: var(--ink); }
.site-footer span { color: var(--rule-2); }

.legal { max-width: 760px; }
.legal section { margin-bottom: 28px; }
.legal p { color: var(--ink); font-size: 15px; line-height: 1.7; margin: 10px 0; }
.legal p b { font-weight: 500; }
.legal a { color: var(--signal); }

/* ============================================================
   motion / responsive
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .timebar-fill, .card, .mast-dot { transition: none; animation: none; }
}
@media (max-width: 560px) {
  .topbar { padding: 14px 18px; }
  .screen { padding: 22px 18px 34px; }
  .answer-input { font-size: 22px; }
  .field-row { flex-wrap: wrap; }
  .field-row label { width: 100%; }
}

/* ============================================================
   guides (static articles) and the 404 page
   ============================================================ */
.guide { max-width: 720px; }
.guide .eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--signal); margin-bottom: 14px; }
.guide h1 { font-size: clamp(30px, 5vw, 42px); font-weight: 700; letter-spacing: -0.03em; line-height: 1.08; margin-bottom: 14px; }
.guide .lede { max-width: none; }
.guide h2 { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; margin: 38px 0 10px; }
.guide h3 { font-size: 17px; font-weight: 600; margin: 24px 0 6px; }
.guide p, .guide li { color: var(--ink); font-size: 15.5px; line-height: 1.7; }
.guide p { margin: 10px 0; }
.guide ul, .guide ol { padding-left: 22px; margin: 10px 0; }
.guide li { margin: 6px 0; }
.guide li::marker { color: var(--dim); }
.guide a { color: var(--signal); }
.guide code { font-family: var(--mono); font-size: 13.5px; color: var(--ink); background: var(--panel); padding: 1px 5px; border: 1px solid var(--rule); }
.guide table { width: 100%; border-collapse: collapse; margin: 14px 0 18px; font-size: 14.5px; }
.guide th, .guide td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.guide th { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--dim); font-weight: 500; }
.guide td:first-child { font-weight: 500; }
.guide .table-wrap { overflow-x: auto; }
.guide .cta { display: inline-block; margin: 8px 10px 8px 0; padding: 10px 16px; border: 1px solid var(--rule-2); color: var(--ink); text-decoration: none; font-weight: 500; font-size: 14.5px; background: var(--panel); }
.guide .cta:hover { border-color: var(--signal); }
.guide .cta.primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.guide .cta.primary:hover { background: #fff; }
.guide .callout { border-left: 2px solid var(--signal); background: var(--signal-dim); padding: 12px 16px; margin: 18px 0; }
.guide .callout p { margin: 4px 0; }
.guide .meta { font-family: var(--mono); font-size: 12.5px; color: var(--faint); margin-bottom: 30px; }
.guide .guide-list { list-style: none; padding: 0; }
.guide .guide-list li { border: 1px solid var(--rule); background: var(--panel); padding: 16px 18px; margin: 10px 0; }
.guide .guide-list a { text-decoration: none; }
.guide .guide-list .t { display: block; font-size: 18px; font-weight: 600; color: var(--ink); letter-spacing: -0.01em; }
.guide .guide-list .d { display: block; font-size: 14px; color: var(--dim); margin-top: 4px; line-height: 1.5; }
.guide .guide-list li:hover { border-color: var(--rule-2); }
.guide .more { margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--rule); }
.guide .more p { color: var(--dim); font-size: 14px; }
.notfound { text-align: center; padding-top: 8vh; }
.notfound .code { font-family: var(--mono); font-size: clamp(64px, 14vw, 120px); font-weight: 500; color: var(--signal); letter-spacing: -0.04em; line-height: 1; }
.notfound h1 { font-size: 26px; font-weight: 600; margin: 14px 0 10px; letter-spacing: -0.02em; }
.notfound p { color: var(--dim); font-size: 15.5px; line-height: 1.6; margin-bottom: 26px; }

/* ============================================================
   daily challenge card
   ============================================================ */
.daily { border: 1px solid var(--rule-2); background: var(--panel); padding: 18px 20px 16px; margin-bottom: 26px; }
.daily.pending { border-color: var(--signal); box-shadow: inset 3px 0 0 var(--signal); }
.daily-head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--dim); margin-bottom: 10px; }
.daily-eyebrow { color: var(--signal); }
.daily-status.done { color: var(--up); }
.daily-body { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.daily-title { font-size: 20px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.25; }
.daily-sub { color: var(--dim); font-size: 13.5px; line-height: 1.55; margin-top: 5px; max-width: 62ch; }
.daily-result { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--rule); font-family: var(--mono); font-size: 13px; color: var(--dim); line-height: 1.7; }
.daily-result b { color: var(--ink); font-weight: 500; }
@media (max-width: 640px) {
  .daily-body { align-items: stretch; }
  .daily-body .btn { width: 100%; text-align: center; }
}