@font-face {
  font-family: "Nunito";
  src: url("./assets/nunito-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 1000;
  font-display: swap;
}

@font-face {
  font-family: "Lilita One";
  src: url("./assets/lilita-one-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  --bg: #f4f2ec;
  --panel: #fffefa;
  --panel2: #eaf0f6;
  --text: #1f2937;
  --muted: #64748b;
  --line: #ced8e5;
  --ink: #253143;
  --sidebar: #202837;
  --sidebar-muted: #aeb9c9;
  --nav-active: #ffffff;
  --nav-active-text: #202837;
  --accent: #20c58a;
  --accent2: #ddf8ee;
  --good: #07865c;
  --goodbg: #dff8ee;
  --warn: #845b00;
  --warnbg: #fff3c9;
  --bad: #b93644;
  --badbg: #ffe3e6;
  --green: #20c58a;
  --green-soft: #ddf8ee;
  --green-shadow: #087a57;
  --cyan: #42b9ee;
  --cyan-soft: #dff4fd;
  --cyan-shadow: #197dad;
  --gold: #ffc83d;
  --gold-soft: #fff3c9;
  --gold-shadow: #b77a08;
  --coral: #ff6673;
  --coral-soft: #ffe3e6;
  --coral-shadow: #b93644;
  --violet: #a991ff;
  --violet-soft: #eee9ff;
  --surface-shadow: #c5cfdd;
  --neutral-shadow: #a9b6c7;
  --shadow: 0 5px 0 var(--surface-shadow), 0 12px 26px rgba(42, 53, 70, 0.09);
}

html[data-theme^="dark"] {
  --bg: #141922;
  --panel: #222a36;
  --panel2: #2d3746;
  --text: #f4f7fb;
  --muted: #aab6c7;
  --line: #455268;
  --ink: #0d1219;
  --sidebar: #0f141c;
  --sidebar-muted: #9eabbd;
  --nav-active: #f4f7fb;
  --nav-active-text: #17202c;
  --accent: #3cdaa0;
  --accent2: #183c31;
  --good: #70e5b8;
  --goodbg: #193c31;
  --warn: #ffd875;
  --warnbg: #443515;
  --bad: #ff929b;
  --badbg: #4a252c;
  --green: #3cdaa0;
  --green-soft: #193c31;
  --green-shadow: #087a57;
  --cyan: #5cc7f5;
  --cyan-soft: #193846;
  --cyan-shadow: #197dad;
  --gold: #ffd25a;
  --gold-soft: #443515;
  --gold-shadow: #9b690c;
  --coral: #ff7b86;
  --coral-soft: #4a252c;
  --coral-shadow: #a52f3b;
  --violet: #b9a8ff;
  --violet-soft: #332d50;
  --surface-shadow: #0c1016;
  --neutral-shadow: #111720;
  --shadow: 0 5px 0 var(--surface-shadow), 0 14px 28px rgba(0, 0, 0, 0.2);
}

html[data-theme="dark-forest"] {
  --bg: #111b17;
  --panel: #1c2924;
  --panel2: #293a33;
  --line: #425a50;
  --sidebar: #0b1310;
  --surface-shadow: #070d0a;
  --neutral-shadow: #0d1712;
}

html[data-theme="dark-plum"] {
  --bg: #1e171d;
  --panel: #2c222b;
  --panel2: #3a2d39;
  --line: #5b4758;
  --sidebar: #130e12;
  --surface-shadow: #0d090c;
  --neutral-shadow: #160f15;
}

* {
  letter-spacing: 0 !important;
}

html,
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Nunito", "Trebuchet MS", sans-serif;
  font-size: 16px;
  font-weight: 500;
}

button,
input,
select {
  font-family: inherit;
  font-weight: 600;
}

button {
  transition: transform 140ms ease, box-shadow 140ms ease, background-color 140ms ease;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

::selection {
  background: var(--gold);
  color: #17202c;
}

.app {
  grid-template-columns: 244px minmax(0, 1fr);
}

.sidebar {
  padding: 24px 16px;
  border-right: 3px solid var(--ink);
  background: var(--sidebar);
  gap: 26px;
}

.brand {
  gap: 9px;
  padding: 0 6px;
  color: #ffffff;
  font-size: 21px;
  font-weight: 700;
}

.mark {
  width: 49px;
  height: 49px;
  flex: 0 0 49px;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transform: none;
}

.mark::before,
.mark::after {
  content: none;
}

.mark img {
  display: block;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 3px 0 #0d1219);
}

.nav {
  gap: 9px;
}

.navbtn {
  min-height: 54px;
  gap: 11px;
  padding: 8px 10px;
  border: 2px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--sidebar-muted);
  font-weight: 600;
}

.navbtn .ico {
  display: grid;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  place-items: center;
  border: 2px solid #0d1219;
  border-radius: 7px;
  box-shadow: 0 3px 0 #0d1219;
  color: #17202c;
  font-size: 17px;
}

.navbtn:nth-child(1) .ico { background: var(--cyan); }
.navbtn:nth-child(2) .ico { background: var(--green); }
.navbtn:nth-child(3) .ico { background: var(--gold); }
.navbtn:nth-child(4) .ico { background: var(--coral); }
.navbtn:nth-child(5) .ico { background: var(--violet); }

.navbtn.active {
  border-color: #0d1219;
  background: var(--nav-active);
  box-shadow: 0 4px 0 #0d1219;
  color: var(--nav-active-text);
}

.navbtn.active .ico {
  transform: rotate(-4deg);
}

@media (hover: hover) {
  .navbtn:hover:not(.active) {
    color: #ffffff;
    transform: translateX(3px);
  }
}

.side-bottom {
  gap: 12px;
}

.mini-index {
  padding: 14px;
  border: 2px solid #0d1219;
  border-radius: 8px;
  background: #2c3646;
  box-shadow: 0 4px 0 #0d1219;
}

.mini-index small {
  color: var(--sidebar-muted);
  font-size: 11px;
  font-weight: 600;
}

.mini-index strong {
  margin-top: 4px;
  color: var(--gold);
  font-size: 31px;
  font-weight: 700;
}

.theme {
  min-height: 45px;
  padding: 9px 11px;
  border: 2px solid #0d1219;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 4px 0 #0d1219;
  color: #17202c;
}

.main {
  padding: 32px 40px 76px;
}

.topline {
  margin-bottom: 28px;
}

.topline h1 {
  color: var(--text);
  font-size: 40px;
  font-weight: 700;
  line-height: 1.05;
}

.topline h1::after {
  content: "";
  display: inline-block;
  width: 11px;
  height: 11px;
  margin-left: 10px;
  border: 2px solid var(--ink);
  border-radius: 2px;
  background: var(--gold);
  transform: rotate(9deg);
  vertical-align: 5px;
}

.topline p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 16px;
}

.account-pill {
  min-height: 44px;
  max-width: min(220px, 34vw);
  padding: 8px 13px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 4px 0 var(--surface-shadow);
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-pill:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 var(--surface-shadow);
}

.grid {
  gap: 18px;
}

.home-grid {
  grid-template-columns: 1.18fr 0.82fr;
}

.card {
  padding: 22px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.home-grid > .hero-index {
  border-top: 8px solid var(--cyan);
}

.home-grid > .action-card {
  border-top: 8px solid var(--green);
}

.lower-grid > .card:nth-child(1) { border-top: 7px solid var(--violet); }
.lower-grid > .card:nth-child(2) { border-top: 7px solid var(--gold); }
.lower-grid > .card:nth-child(3) { border-top: 7px solid var(--coral); }

.hero-index {
  min-height: 270px;
  grid-template-columns: 1fr 164px;
  gap: 24px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  background: currentColor;
}

.big-index {
  margin: 11px 0 8px;
  color: var(--cyan-shadow);
  font-size: 78px;
  font-weight: 700;
  line-height: 0.95;
}

html[data-theme^="dark"] .big-index {
  color: var(--cyan);
}

.status {
  color: var(--good);
  font-weight: 700;
}

.copy,
.muted,
.hint {
  color: var(--muted);
}

.copy {
  line-height: 1.55;
}

.ring {
  width: 156px;
  height: 156px;
  border: 3px solid var(--ink);
  border-radius: 50%;
  background: conic-gradient(var(--cyan) var(--pct), var(--panel2) 0);
  box-shadow: 0 5px 0 var(--surface-shadow);
}

.ring::after {
  inset: 16px;
  border: 2px solid var(--line);
  background: var(--panel);
}

.ring strong {
  font-size: 29px;
  font-weight: 700;
}

.action-card {
  min-height: 270px;
}

.action-card h2 {
  margin: 8px 0 10px;
  font-size: 29px;
  font-weight: 700;
  line-height: 1.12;
}

.primary,
.secondary,
.danger,
.ghost {
  min-height: 47px;
  padding: 11px 16px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  font-weight: 700;
}

.primary {
  background: var(--green);
  box-shadow: 0 4px 0 var(--green-shadow);
  color: #09291f;
}

.secondary {
  background: var(--cyan);
  box-shadow: 0 4px 0 var(--cyan-shadow);
  color: #10232e;
}

.ghost {
  background: var(--panel2);
  box-shadow: 0 4px 0 var(--neutral-shadow);
  color: var(--text);
}

.danger {
  background: var(--coral);
  box-shadow: 0 4px 0 var(--coral-shadow);
  color: #ffffff;
}

.primary:active,
.secondary:active,
.danger:active,
.ghost:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 var(--surface-shadow);
}

@media (hover: hover) {
  .primary:hover,
  .secondary:hover,
  .danger:hover,
  .ghost:hover {
    transform: translateY(-2px);
  }
}

.button-row {
  gap: 11px;
}

.lower-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-big {
  margin: 7px 0;
  font-size: 37px;
  font-weight: 700;
  line-height: 1.05;
}

.hardcore {
  border-color: var(--coral-shadow);
  background: var(--coral-soft);
}

.hardcore > * {
  position: relative;
  z-index: 1;
}

.hardcore::after {
  right: 4px;
  bottom: -22px;
  color: var(--coral);
  font-size: 118px;
  font-weight: 700;
  opacity: 0.12;
  transform: rotate(-7deg);
}

.hardcore .eyebrow {
  color: var(--coral-shadow);
}

html[data-theme^="dark"] .hardcore .eyebrow {
  color: var(--coral);
}

.hardcore .primary {
  background: var(--gold);
  box-shadow: 0 4px 0 var(--gold-shadow);
  color: #302306;
}

.page.active {
  animation: page-enter 180ms ease-out both;
}

@keyframes page-enter {
  from { opacity: 0; transform: translateY(7px); }
  to { opacity: 1; transform: translateY(0); }
}

.train-layout {
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 18px;
}

.settings {
  gap: 16px;
  border-top: 8px solid var(--green);
}

.settings h2,
.auth-wrap h2 {
  color: var(--text);
  font-size: 27px;
  font-weight: 700;
}

.field label,
.sectionlabel {
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.control {
  min-height: 48px;
  padding: 10px 12px;
  border: 2px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  box-shadow: inset 0 -3px 0 var(--panel2);
}

.control:hover,
.control:focus {
  border-color: var(--cyan-shadow);
}

.seg {
  gap: 7px;
}

.seg button {
  min-height: 44px;
  padding: 9px 6px;
  border: 2px solid var(--line);
  border-radius: 7px;
  background: var(--panel2);
  box-shadow: 0 3px 0 var(--neutral-shadow);
  color: var(--muted);
  font-weight: 700;
}

.seg button.active {
  border-color: var(--ink);
  background: var(--green);
  box-shadow: 0 3px 0 var(--green-shadow);
  color: #08281e;
  transform: translateY(-1px);
}

.rangegrid {
  gap: 9px;
}

.custom-duration {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 2px dashed var(--line);
}

.duration-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.duration-input .control {
  text-align: center;
  font-family: "Lilita One", "Arial Rounded MT Bold", sans-serif;
  font-size: 20px;
}

.duration-error {
  color: var(--bad);
  font-weight: 800;
}

.arena {
  min-height: 590px;
  border-top: 8px solid var(--cyan);
}

.scorebar {
  gap: 2px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--ink);
  box-shadow: 0 4px 0 var(--surface-shadow);
}

.scorecell {
  padding: 14px 16px;
  background: var(--panel2);
}

.scorecell small {
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.scorecell strong {
  color: var(--text);
  font-size: 25px;
  font-weight: 700;
}

.scorecell:nth-child(1) strong { color: var(--cyan-shadow); }
.scorecell:nth-child(2) strong { color: var(--green-shadow); }
.scorecell:nth-child(3) strong { color: var(--coral-shadow); }
.scorecell:nth-child(4) strong { color: var(--gold-shadow); }

html[data-theme^="dark"] .scorecell:nth-child(1) strong { color: var(--cyan); }
html[data-theme^="dark"] .scorecell:nth-child(2) strong { color: var(--green); }
html[data-theme^="dark"] .scorecell:nth-child(3) strong { color: var(--coral); }
html[data-theme^="dark"] .scorecell:nth-child(4) strong { color: var(--gold); }

.game {
  padding: 38px 24px;
}

.problem {
  margin: 28px 0;
  color: var(--text);
  font-size: 76px;
  font-weight: 700;
  line-height: 1.08;
  text-shadow: 0 4px 0 var(--panel2);
}

.answer {
  padding: 14px;
  border: 3px solid var(--ink);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 5px 0 var(--surface-shadow);
  color: var(--text);
  font-size: 29px;
  font-weight: 700;
}

.hint {
  margin-top: 14px;
  font-size: 14px;
}

.choice-grid {
  gap: 14px;
  margin-top: 25px;
}

.choice {
  min-height: 76px;
  padding: 13px 16px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 4px 0 var(--neutral-shadow);
  color: var(--text);
  font-size: 23px;
  font-weight: 700;
}

.choice:hover,
.choice:focus-visible {
  border-color: var(--cyan-shadow);
  outline: none;
  box-shadow: 0 6px 0 var(--cyan-shadow);
  transform: translateY(-2px);
}

.choice:active {
  transform: translateY(3px);
  box-shadow: 0 1px 0 var(--neutral-shadow);
}

.choice.wrong {
  border-color: var(--coral-shadow);
  background: var(--badbg);
  box-shadow: 0 4px 0 var(--coral-shadow);
  color: var(--bad);
}

.choice-key {
  width: 31px;
  height: 31px;
  flex-basis: 31px;
  border: 2px solid var(--ink);
  border-radius: 6px;
  background: var(--gold);
  color: #2b2108;
  font-size: 13px;
  font-weight: 700;
}

.typed-row {
  gap: 12px;
}

.session-actions {
  gap: 10px;
  margin-top: 15px;
}

.session-actions button {
  min-height: 41px;
}

.sim-lobby {
  max-width: 900px;
  overflow: hidden;
  border-top: 8px solid var(--coral);
}

.sim-hero {
  padding: 20px 24px 22px;
}

.sim-hero .eyebrow {
  justify-content: center;
  color: var(--coral-shadow);
}

html[data-theme^="dark"] .sim-hero .eyebrow {
  color: var(--coral);
}

.sim-title {
  margin: 8px 0;
  color: var(--text);
  font-size: 58px;
  font-weight: 700;
  line-height: 1;
  text-shadow: 0 4px 0 var(--coral-soft);
}

.sim-hero > .copy {
  margin: 8px 0;
}

.sim-rules {
  gap: 12px;
  margin: 15px 0;
}

.rule {
  padding: 10px;
  border: 2px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 4px 0 var(--surface-shadow);
}

.rule:nth-child(1) { border-color: var(--cyan-shadow); background: var(--cyan-soft); }
.rule:nth-child(2) { border-color: var(--green-shadow); background: var(--green-soft); }
.rule:nth-child(3) { border-color: var(--gold-shadow); background: var(--gold-soft); }

.rule strong {
  font-size: 22px;
  font-weight: 700;
}

.toggle-row {
  margin: 0 auto 10px;
  padding: 10px 12px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: var(--panel2);
  box-shadow: 0 3px 0 var(--neutral-shadow);
}

.toggle-copy strong {
  font-weight: 700;
}

.switch-track {
  border: 2px solid var(--ink);
  background: var(--line);
}

.switch-track::after {
  width: 18px;
  height: 18px;
  left: 2px;
  top: 2px;
  border: 1px solid var(--ink);
  background: var(--panel);
}

.switch input:checked + .switch-track {
  background: var(--green);
}

.warning {
  max-width: 760px;
  margin: 10px auto;
  padding: 9px 12px;
  border: 2px solid var(--gold-shadow);
  border-radius: 8px;
  background: var(--gold-soft);
  box-shadow: 0 3px 0 var(--gold-shadow);
  color: var(--warn);
  font-size: 14px;
  line-height: 1.35;
}

.sim-options {
  max-width: 430px;
  margin: 0 auto 10px;
}

.skillgrid {
  gap: 15px;
}

.skill {
  padding: 17px;
  border: 2px solid var(--line);
  border-left: 7px solid var(--cyan);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 4px 0 var(--surface-shadow);
}

.skill:nth-child(4n + 2) { border-left-color: var(--green); }
.skill:nth-child(4n + 3) { border-left-color: var(--gold); }
.skill:nth-child(4n + 4) { border-left-color: var(--coral); }

.skill strong {
  font-weight: 700;
}

.bar {
  height: 12px;
  border: 2px solid var(--line);
  border-radius: 4px;
  background: var(--panel2);
}

.bar i {
  background: var(--cyan);
}

.skill:nth-child(4n + 2) .bar i { background: var(--green); }
.skill:nth-child(4n + 3) .bar i { background: var(--gold); }
.skill:nth-child(4n + 4) .bar i { background: var(--coral); }

.evidence-row {
  gap: 9px;
}

.evidence-tag,
.role-badge {
  border: 2px solid var(--line);
  border-radius: 999px;
  background: var(--panel2);
  font-size: 10px;
  font-weight: 700;
}

.auth-wrap {
  max-width: 720px;
  border-top: 8px solid var(--violet);
}

.tabs {
  gap: 9px;
  margin-bottom: 18px;
}

.tabs button {
  min-height: 43px;
  padding: 9px 13px;
  border: 2px solid var(--line);
  border-radius: 7px;
  background: var(--panel2);
  box-shadow: 0 3px 0 var(--neutral-shadow);
  color: var(--muted);
  font-weight: 700;
}

.tabs button.active {
  border-color: var(--ink);
  background: var(--violet);
  box-shadow: 0 3px 0 #7058c2;
  color: #20183d;
}

.role-badge {
  border-color: var(--green-shadow);
  background: var(--green-soft);
  color: var(--good);
}

.admin-panel {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 2px dashed var(--line);
}

.admin-grid {
  gap: 12px;
  margin: 14px 0;
}

.admin-stat {
  padding: 15px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: var(--panel2);
}

.admin-stat small {
  font-size: 11px;
  font-weight: 700;
}

.admin-stat strong {
  font-size: 26px;
  font-weight: 700;
}

.auth-msg {
  color: var(--muted);
}

#signupUsernameField {
  margin-bottom: 10px;
}

.profile-editor {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 10px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 2px dashed var(--line);
}

.profile-editor .auth-msg {
  grid-column: 1 / -1;
  margin: 0;
}

.account-email {
  margin: 5px 0 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

button,
.brand,
.mark::before,
.topline h1,
.big-index,
.action-card h2,
.metric-big,
.settings h2,
.auth-wrap h2,
.scorecell strong,
.problem,
.answer,
.sim-title,
.rule strong,
.skill strong,
.admin-stat strong {
  font-family: "Lilita One", "Arial Rounded MT Bold", sans-serif;
  font-weight: 400;
}

.game:focus {
  outline: none;
}

@media (max-width: 980px) {
  .app {
    grid-template-columns: 92px minmax(0, 1fr);
  }

  .sidebar {
    padding: 20px 11px;
  }

  .brand {
    justify-content: center;
  }

  .brand span:last-child,
  .navbtn .label,
  .mini-index small {
    display: none;
  }

  .navbtn {
    justify-content: center;
    padding: 8px;
  }

  .mini-index {
    text-align: center;
  }

  .main {
    padding: 30px 28px 72px;
  }

  .train-layout {
    grid-template-columns: 1fr;
  }

  .home-grid,
  .lower-grid {
    grid-template-columns: 1fr 1fr;
  }

  .lower-grid .card:last-child {
    grid-column: 1 / -1;
  }

  .admin-grid {
    grid-template-columns: 1fr 1fr;
  }

  .problem {
    font-size: 64px;
  }
}

@media (max-width: 680px) {
  .app {
    display: block;
  }

  .sidebar {
    position: fixed;
    inset: auto 0 0;
    z-index: 20;
    height: 78px;
    padding: 5px 6px;
    border: 0;
    border-top: 3px solid var(--ink);
    background: var(--sidebar);
  }

  .brand,
  .side-bottom {
    display: none;
  }

  .nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 4px;
  }

  .navbtn {
    min-height: 64px;
    padding: 3px 2px;
    display: grid;
    place-items: center;
    gap: 1px;
    border-width: 2px;
    font-size: 10px;
  }

  .navbtn.active {
    box-shadow: none;
  }

  .navbtn .ico {
    width: 27px;
    height: 27px;
    flex-basis: 27px;
    border-width: 1px;
    border-radius: 6px;
    box-shadow: 0 2px 0 #0d1219;
    font-size: 14px;
  }

  .navbtn .label {
    display: block;
  }

  .main {
    padding: 22px 14px 108px;
  }

  .topline {
    align-items: flex-start;
    margin-bottom: 22px;
  }

  .topline h1 {
    font-size: 30px;
  }

  .topline h1::after {
    width: 8px;
    height: 8px;
    margin-left: 7px;
    vertical-align: 3px;
  }

  .topline p {
    max-width: 250px;
    margin-top: 6px;
    font-size: 13px;
  }

  .account-pill {
    min-height: 39px;
    max-width: 145px;
    padding: 6px 9px;
    overflow: hidden;
    font-size: 12px;
    text-overflow: ellipsis;
  }

  .home-grid,
  .lower-grid {
    grid-template-columns: 1fr;
  }

  .lower-grid .card:last-child {
    grid-column: auto;
  }

  .card {
    padding: 17px;
    box-shadow: 0 4px 0 var(--surface-shadow), 0 9px 20px rgba(42, 53, 70, 0.08);
  }

  .hero-index {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .ring {
    display: none;
  }

  .big-index {
    font-size: 62px;
  }

  .action-card {
    min-height: 235px;
  }

  .action-card h2 {
    font-size: 26px;
  }

  .metric-big {
    font-size: 31px;
  }

  .skillgrid,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .settings {
    gap: 15px;
  }

  .seg {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .arena {
    min-height: 540px;
  }

  .scorebar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scorecell {
    padding: 11px 12px;
  }

  .scorecell strong {
    font-size: 22px;
  }

  .game {
    padding: 30px 8px;
  }

  .problem {
    margin: 23px 0;
    font-size: 48px;
  }

  .choice-grid {
    grid-template-columns: 1fr;
    gap: 11px;
  }

  .choice {
    min-height: 62px;
    font-size: 20px;
  }

  .typed-row {
    grid-template-columns: 1fr;
  }

  .typed-row .primary {
    width: 100%;
  }

  .sim-lobby {
    padding: 0;
  }

  .sim-hero {
    padding: 28px 18px 23px;
  }

  .sim-title {
    margin: 8px 0;
    font-size: 48px;
  }

  .sim-rules {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
    margin: 19px 0;
  }

  .rule {
    padding: 10px 4px;
  }

  .rule strong {
    font-size: 18px;
  }

  .rule .muted {
    font-size: 11px;
  }

  .warning {
    margin: 12px auto;
    padding: 10px 11px;
    font-size: 12px;
  }

  .toggle-row {
    padding: 11px 12px;
  }

  .toggle-copy small {
    font-size: 12px;
  }

  .auth-wrap h2 {
    font-size: 24px;
  }

  #signedUsername {
    font-size: 26px;
    overflow-wrap: anywhere;
  }

  .profile-editor {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
}

.sim-tabs {
  display: flex;
  gap: 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
}
.sim-tabs button {
  border: 0;
  border-bottom: 3px solid transparent;
  padding: 12px 2px;
  background: none;
  font-weight: 900;
  color: var(--muted);
}
.sim-tabs button.active { color: var(--text); border-color: var(--accent); }
button:disabled { cursor: default; opacity: .6; }
.question-body { width: 100%; min-width: 0; }
.question-actions { margin: 20px auto 0; }
.problem { overflow-wrap: anywhere; font-size: 54px; line-height: 1.25; }
.game.results { display: block; place-items: normal; padding: 24px 0 0; text-align: left; }
.game.results > div { width: 100%; }
.result-summary { text-align: center; padding: 20px 0 28px; }
.result-score { font-family: "Lilita One", sans-serif; font-size: 88px; line-height: 1.1; margin: 14px 0; }
.result-breakdown { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 20px; font-weight: 800; }
.result-correct { color: var(--good); }
.result-wrong { color: var(--bad); }
.result-summary .button-row { justify-content: center; }
.result-coach { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0; border-block: 1px solid var(--line); }
.result-coach h3 { margin: 5px 0; font-size: 23px; }
.result-coach .copy { margin: 5px 0 0; max-width: 650px; }
.result-coach button { flex: 0 0 auto; }
.review-heading, .history-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 0; }
.review-heading h3, .history-heading h2 { margin: 0; }
.review-heading select, .history-heading select { width: auto; min-width: 150px; }
.history-heading label { font-size: 13px; color: var(--muted); }
.history-heading label select { display: block; margin-top: 4px; color: var(--text); }
.review-row { display: grid; grid-template-columns: 26px 70px minmax(0, 1fr) minmax(100px, auto); gap: 12px; align-items: center; padding: 16px 10px; border-bottom: 1px solid var(--line); border-left: 3px solid transparent; }
.review-row.correct { border-left-color: var(--good); }
.review-row.wrong { border-left-color: var(--bad); background: color-mix(in srgb, var(--badbg) 55%, transparent); }
.review-number, .review-status { color: var(--muted); font-size: 12px; }
.review-prompt, .review-answer { font-size: 18px; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.review-answer { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 6px 12px; }
.review-answer del { color: var(--muted); font-size: 15px; }
.review-row.correct .review-answer { color: var(--good); }
.review-row.wrong .review-answer { color: var(--bad); }
.review-row.unreached, .review-row.skipped { color: var(--muted); }
.history-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; padding: 22px 0; border-block: 1px solid var(--line); }
.history-stats small { display: block; color: var(--muted); }
.history-stats strong { font-family: "Lilita One", sans-serif; display: block; font-size: 34px; }
.history-run { width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, 1fr) 60px 20px; gap: 15px; text-align: left; align-items: center; padding: 20px 12px; }
.history-run:hover, .history-run:focus-visible { background: var(--panel2); }
.history-run small { display: block; margin-top: 4px; color: var(--muted); }
.history-score { font-family: "Lilita One", sans-serif; font-size: 32px; text-align: right; }
.history-pagination { display: flex; align-items: center; justify-content: center; gap: 20px; margin-top: 20px; }
.empty-state { color: var(--muted); padding: 25px 0; }
.account-actions { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 20px; margin-top: 20px; border-top: 1px solid var(--line); }
#accountMsg:empty, #profileMsg:empty { display: none; }
@media (max-width: 680px) {
  .problem { font-size: 34px; }
  .game { padding: 22px 6px; }
  .scorebar { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .scorecell { padding: 10px 6px; }
  .scorecell small { font-size: 9px; }
  .scorecell strong { font-size: 18px; }
  .choice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .choice { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 7px; padding: 9px 7px; min-height: 66px; font-size: 18px; }
  .choice-key { width: 20px; height: 23px; font-size: 11px; }
  .choice > span:last-child { overflow-wrap: anywhere; }
  .result-score { font-size: 72px; }
  .result-coach { align-items: stretch; flex-direction: column; gap: 14px; }
  .review-row { grid-template-columns: 22px minmax(0, 1fr) auto; gap: 7px; padding: 14px 7px; }
  .review-status { grid-column: 2; }
  .review-prompt { grid-column: 2; grid-row: 2; font-size: 16px; }
  .review-answer { grid-column: 3; grid-row: 1 / 3; flex-direction: column; text-align: right; font-size: 16px; max-width: 95px; }
  .review-heading { align-items: flex-start; flex-direction: column; }
  .review-heading select { width: 100%; }
  .history-stats { gap: 10px; }
  .history-stats small { font-size: 12px; }
  .history-heading { align-items: flex-start; }
  .history-run { gap: 9px; padding-inline: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}