:root {
  color-scheme: dark;
  --bg0: #040907;
  --bg1: #08130f;
  --bg2: #0d1e18;
  --panel: rgba(10, 21, 17, 0.72);
  --panel2: rgba(14, 28, 23, 0.86);
  --border: rgba(108, 163, 131, 0.28);
  --text: #e9f5ee;
  --muted: #9cb6a8;
  --accent: #33ff88;
  --accent2: #21cb6d;
  --danger: #ff6c90;
  --success: #56e4a2;
  --neutral: #7f9689;
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow: 0 24px 56px rgba(0, 0, 0, 0.48);
  --shadow-soft: 0 14px 32px rgba(0, 0, 0, 0.38);
  --focus-ring: 0 0 0 3px rgba(0, 72, 255, 0.24);
  --container: min(1120px, calc(100% - 2.6rem));
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  font-family: Aptos, "Segoe UI", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  background:
    linear-gradient(155deg, rgba(8, 25, 19, 0.88), rgba(3, 7, 6, 0.98)),
    radial-gradient(1100px 540px at 8% -18%, rgba(39, 180, 112, 0.2), transparent 70%),
    radial-gradient(900px 500px at 100% 8%, rgba(18, 116, 74, 0.18), transparent 66%),
    var(--bg0);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: -22% -8% auto;
  height: 58vh;
  pointer-events: none;
  background:
    radial-gradient(640px 340px at 12% 24%, rgba(54, 255, 154, 0.18), transparent 70%),
    radial-gradient(480px 300px at 78% 18%, rgba(31, 156, 101, 0.14), transparent 74%);
  filter: blur(26px);
  opacity: 0.7;
  z-index: -2;
}

a {
  text-decoration: none;
  color: inherit;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

p {
  color: var(--muted);
}

.layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  isolation: isolate;
}

.layout::before {
  content: "";
  position: fixed;
  inset: auto -16% -18%;
  height: 52vh;
  pointer-events: none;
  background:
    radial-gradient(720px 380px at 16% 80%, rgba(54, 230, 144, 0.15), transparent 72%),
    radial-gradient(680px 360px at 84% 84%, rgba(37, 126, 88, 0.12), transparent 74%);
  filter: blur(38px);
  opacity: 0.52;
  z-index: -1;
}

.navbar {
  position: sticky;
  top: 14px;
  z-index: 30;
  width: var(--container);
  margin: 14px auto 0;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius-lg) + 3px);
  background:
    linear-gradient(140deg, rgba(14, 33, 26, 0.82), rgba(8, 16, 13, 0.6));
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
}

.logo {
  font-size: 21px;
  font-weight: 750;
  letter-spacing: 0.14em;
}

.nav {
  display: flex;
  gap: clamp(12px, 2vw, 26px);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  position: relative;
  font-size: 14px;
  color: var(--muted);
  transition: color 0.18s ease, text-shadow 0.18s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  transform: scaleX(0);
  transform-origin: 50% 50%;
  transition: transform 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible,
.nav a.active {
  color: var(--text);
  text-shadow: 0 0 16px rgba(0, 72, 255, 0.22);
}

.nav a:hover::after,
.nav a:focus-visible::after,
.nav a.active::after {
  transform: scaleX(1);
}

.hero {
  flex: 1;
  width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: clamp(28px, 6vw, 72px) 0 40px;
}

.hero-content {
  width: min(700px, 100%);
  text-align: center;
  position: relative;
}

.hero-content[style*="text-align: left"] {
  width: min(940px, 100%) !important;
  text-align: left !important;
}

.hero h1 {
  font-size: clamp(2rem, 4.8vw, 3.1rem);
  margin-bottom: 14px;
}

.hero p {
  font-size: 1.02rem;
  max-width: 60ch;
  margin: 0 auto 32px;
}

.hero-content[style*="text-align: left"] p {
  margin-left: 0;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.glass {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-soft);
}

.glass-strong {
  background: var(--panel2);
  border: 1px solid rgba(130, 194, 158, 0.34);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.panel,
.card {
  background: linear-gradient(160deg, rgba(17, 33, 27, 0.83), rgba(10, 19, 16, 0.9));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.chip,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  border: 1px solid rgba(91, 177, 134, 0.34);
  background: rgba(22, 53, 40, 0.62);
  color: #ceffe5;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 650;
}

.btn,
button.btn,
a.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  min-height: 42px;
  padding: 10px 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition:
    transform 0.12s ease,
    box-shadow 0.2s ease,
    filter 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease;
}

.btn:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn.primary {
  background: linear-gradient(145deg, #3b77ff, #0048ff);
  border-color: rgba(77, 131, 255, 0.72);
  color: #ffffff;
  text-shadow: none;
}

.btn.primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px rgba(102, 148, 255, 0.4), 0 10px 26px rgba(0, 72, 255, 0.32);
  filter: saturate(1.08);
}

.btn.primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 0 0 1px rgba(102, 148, 255, 0.24), 0 8px 18px rgba(0, 72, 255, 0.24);
}

.btn.secondary {
  background: rgba(20, 35, 29, 0.82);
  border-color: var(--border);
  color: var(--text);
}

.btn.secondary:hover:not(:disabled) {
  background: rgba(24, 44, 36, 0.9);
  border-color: rgba(77, 131, 255, 0.45);
  box-shadow: 0 9px 20px rgba(0, 0, 0, 0.35);
}

.btn.danger {
  background: rgba(72, 28, 41, 0.78);
  border-color: rgba(232, 117, 151, 0.46);
  color: #ffdce6;
}

.btn.danger:hover:not(:disabled) {
  background: rgba(86, 31, 47, 0.9);
}

.btn:disabled,
button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
  box-shadow: none;
  transform: none;
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="url"],
select,
textarea {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(8, 14, 11, 0.9);
  color: var(--text);
  padding: 10px 12px;
  font-size: 14px;
  line-height: 1.45;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

input::placeholder,
textarea::placeholder {
  color: rgba(156, 182, 168, 0.82);
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(77, 131, 255, 0.72);
  box-shadow: var(--focus-ring);
}

input[type="checkbox"],
input[type="radio"] {
  accent-color: var(--accent);
}

input[type="range"] {
  accent-color: var(--accent);
}

.status-success {
  border: 1px solid rgba(92, 229, 162, 0.4);
  background: rgba(24, 61, 45, 0.62);
  color: #ccfbe2;
}

.status-error {
  border: 1px solid rgba(239, 125, 160, 0.42);
  background: rgba(66, 25, 36, 0.65);
  color: #ffd9e3;
}

.status-neutral {
  border: 1px solid rgba(145, 169, 156, 0.36);
  background: rgba(31, 43, 37, 0.62);
  color: #d4e4dc;
}

.hidden {
  display: none !important;
}

.footer {
  width: var(--container);
  margin: 0 auto 16px;
  text-align: center;
  padding: 16px 18px;
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(8, 16, 13, 0.58);
  backdrop-filter: blur(8px);
}

/* Quiz and training compatibility */
.hero-content .card,
.card[style] {
  background: linear-gradient(165deg, rgba(16, 31, 25, 0.84), rgba(10, 18, 15, 0.9)) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-soft);
}

#countInput[style],
#prefixInput[style],
#timeLimitInput[style] {
  border-color: var(--border) !important;
  background: rgba(8, 14, 11, 0.92) !important;
  color: var(--text) !important;
  border-radius: var(--radius-md) !important;
}

#quiz > div[style] {
  gap: 10px;
  flex-wrap: wrap;
}

.hero-content h1[style] {
  font-size: clamp(1.9rem, 3.5vw, 2.4rem) !important;
  margin-bottom: 10px !important;
}

.hero-content p[style] {
  color: var(--muted) !important;
}

#answerArea[style],
#reviewBody {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.opt,
.answer-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid rgba(112, 170, 137, 0.28);
  background: rgba(15, 28, 23, 0.82);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.opt:hover,
.answer-option:hover {
  border-color: rgba(129, 227, 174, 0.54);
  background: rgba(19, 37, 30, 0.88);
}

.opt input,
.answer-option input {
  margin-top: 3px;
}

#questionImg {
  border: 1px solid var(--border);
  background: rgba(8, 14, 11, 0.86);
}

#feedback {
  border: 1px solid rgba(115, 166, 136, 0.35) !important;
  background: rgba(12, 24, 20, 0.82) !important;
  color: var(--text);
  border-radius: var(--radius-md) !important;
}

#feedback[data-ok="1"] {
  border-color: rgba(92, 229, 162, 0.42) !important;
  background: rgba(18, 52, 39, 0.7) !important;
}

#feedback[data-ok="0"] {
  border-color: rgba(239, 125, 160, 0.42) !important;
  background: rgba(66, 25, 36, 0.68) !important;
}

#feedback .exp {
  margin-top: 8px;
}

#progress {
  color: var(--muted) !important;
}

.note,
.review-block {
  border: 1px solid rgba(112, 170, 137, 0.28);
  background: rgba(13, 26, 21, 0.76);
  border-radius: var(--radius-md);
  padding: 10px 12px;
}

.note a,
.falstad-link-row a,
.falstad-solution-actions a,
.sim-link-btn {
  color: #abffd1;
  text-decoration-color: rgba(171, 255, 209, 0.6);
}

.falstad-help,
.falstad-panel,
.falstad-help-panel {
  border: 1px solid rgba(108, 163, 131, 0.3);
  border-radius: var(--radius-md);
  background: rgba(11, 23, 18, 0.8);
  padding: 10px 12px;
}

.falstad-help-panel h3,
.falstad-help-panel h4 {
  margin-top: 10px;
  margin-bottom: 4px;
  color: #d5f9e6;
}

.falstad-help-panel h3:first-child,
.falstad-help-panel h4:first-child {
  margin-top: 0;
}

.falstad-help-panel ul {
  padding-left: 18px;
  color: var(--muted);
}

#falstadFrame {
  border: 1px solid var(--border) !important;
  border-radius: 12px !important;
  background: #0a110e !important;
  box-shadow: var(--shadow-soft);
}

.falstad-wrap #falstadFrame,
.falstad-wrap #falstadFrame:focus,
.falstad-wrap #falstadFrame:focus-visible {
  box-shadow: none !important;
  outline: none !important;
  filter: none !important;
}

.falstad-wrap.falstad-panel,
.falstad-wrap.falstad-help-panel,
.falstad-wrap .falstad-help,
.falstad-wrap .falstad-panel,
.falstad-wrap .falstad-help-panel,
.falstad-wrap .note,
.falstad-wrap .btn,
.falstad-wrap button {
  box-shadow: none !important;
  filter: none !important;
}

.falstad-wrap .btn:focus,
.falstad-wrap .btn:focus-visible,
.falstad-wrap button:focus,
.falstad-wrap button:focus-visible {
  outline: none !important;
  box-shadow: none !important;
}

#falstadExport {
  border-color: var(--border) !important;
  background: rgba(8, 14, 11, 0.92) !important;
  color: var(--text) !important;
  border-radius: var(--radius-md) !important;
}

.falstad-solution-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.question-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.question-nav-btn {
  width: 40px;
  height: 35px;
  border-radius: 10px;
  border: 1px solid rgba(108, 163, 131, 0.3);
  background: rgba(14, 29, 23, 0.86);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
}

.question-nav-btn:hover {
  border-color: rgba(124, 220, 169, 0.5);
}

.question-nav-btn.status-current,
.question-nav-btn.is-active {
  background: linear-gradient(140deg, rgba(79, 132, 255, 0.28), rgba(38, 86, 211, 0.24));
  border-color: rgba(124, 164, 255, 0.84);
}

.question-nav-btn.status-correct,
.result-tile.status-correct {
  background: rgba(24, 68, 50, 0.78);
  border-color: rgba(92, 229, 162, 0.52);
  color: #c9fbe2;
}

.question-nav-btn.status-wrong,
.result-tile.status-wrong {
  background: rgba(71, 27, 40, 0.78);
  border-color: rgba(239, 125, 160, 0.45);
  color: #ffdce6;
}

.question-nav-btn.status-unanswered,
.result-tile.status-unanswered {
  color: var(--muted);
}

.review-state {
  border-radius: 999px;
  padding: 5px 11px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid transparent;
}

.review-state.correct {
  border-color: rgba(92, 229, 162, 0.45);
  background: rgba(24, 68, 50, 0.74);
  color: #ccfbe3;
}

.review-state.wrong {
  border-color: rgba(239, 125, 160, 0.45);
  background: rgba(71, 27, 40, 0.75);
  color: #ffdce6;
}

.review-state.unanswered {
  border-color: rgba(145, 169, 156, 0.38);
  background: rgba(31, 43, 37, 0.68);
  color: #d4e4dc;
}

/* Sim-v2 page overrides (keeps existing page structure but force-aligns with the global theme) */
body[data-quiz-runner="sim-v2"] {
  --sim-bg: var(--bg0) !important;
  --sim-surface: rgba(16, 24, 42, 0.8) !important;
  --sim-surface-2: rgba(20, 31, 54, 0.88) !important;
  --sim-border: var(--border) !important;
  --sim-text: var(--text) !important;
  --sim-muted: var(--muted) !important;
  --sim-primary: var(--accent) !important;
  --sim-primary-2: var(--accent2) !important;
  --sim-ok: var(--success) !important;
  --sim-bad: var(--danger) !important;
  --sim-dim: #6d86b8 !important;
  background:
    radial-gradient(1200px 440px at 15% -8%, rgba(59, 119, 255, 0.18), transparent 66%),
    radial-gradient(900px 420px at 95% 4%, rgba(0, 72, 255, 0.18), transparent 67%),
    linear-gradient(165deg, #0b1220, #0d1628 55%, #0a1020) !important;
}

body[data-quiz-runner="sim-v2"] .sim-shell {
  width: min(1140px, 100%) !important;
}

body[data-quiz-runner="sim-v2"] .sim-card,
body[data-quiz-runner="sim-v2"] .sim-question-card,
body[data-quiz-runner="sim-v2"] .review-block,
body[data-quiz-runner="sim-v2"] .falstad-panel,
body[data-quiz-runner="sim-v2"] .falstad-help-panel,
body[data-quiz-runner="sim-v2"] .consent-dialog {
  background: linear-gradient(165deg, rgba(21, 32, 56, 0.88), rgba(14, 22, 40, 0.9)) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-soft) !important;
}

body[data-quiz-runner="sim-v2"] .sim-label,
body[data-quiz-runner="sim-v2"] .review-progress,
body[data-quiz-runner="sim-v2"] .result-status-line,
body[data-quiz-runner="sim-v2"] .sim-meta,
body[data-quiz-runner="sim-v2"] .sim-time-line,
body[data-quiz-runner="sim-v2"] .sim-progress-line,
body[data-quiz-runner="sim-v2"] .sim-consent-stamp,
body[data-quiz-runner="sim-v2"] .review-block h3 {
  color: var(--muted) !important;
}

body[data-quiz-runner="sim-v2"] .sim-input,
body[data-quiz-runner="sim-v2"] .sim-textinput,
body[data-quiz-runner="sim-v2"] .sim-textarea,
body[data-quiz-runner="sim-v2"] .debug-textarea {
  background: rgba(12, 18, 32, 0.92) !important;
  border-color: var(--border) !important;
  color: var(--text) !important;
}

body[data-quiz-runner="sim-v2"] .sim-input:focus,
body[data-quiz-runner="sim-v2"] .sim-textinput:focus,
body[data-quiz-runner="sim-v2"] .sim-textarea:focus,
body[data-quiz-runner="sim-v2"] .debug-textarea:focus {
  border-color: rgba(77, 131, 255, 0.76) !important;
  box-shadow: var(--focus-ring) !important;
}

body[data-quiz-runner="sim-v2"] .sim-link-btn {
  color: #a8c5ff !important;
}

body[data-quiz-runner="sim-v2"] .sim-link-btn:hover {
  color: #d5e3ff !important;
}

body[data-quiz-runner="sim-v2"] .sim-progress-track {
  background: rgba(12, 18, 32, 0.9) !important;
  border-color: var(--border) !important;
}

body[data-quiz-runner="sim-v2"] .btn.primary {
  background: linear-gradient(145deg, #3b77ff, #0048ff) !important;
  border-color: rgba(77, 131, 255, 0.7) !important;
  color: #ffffff !important;
}

body[data-quiz-runner="sim-v2"] .btn.secondary {
  background: rgba(25, 35, 58, 0.86) !important;
  border-color: var(--border) !important;
  color: var(--text) !important;
}

body[data-quiz-runner="sim-v2"] .btn.secondary:hover:not(:disabled) {
  background: rgba(33, 46, 76, 0.9) !important;
  border-color: rgba(77, 131, 255, 0.45) !important;
}

body[data-quiz-runner="sim-v2"] .btn.danger {
  background: rgba(72, 28, 41, 0.78) !important;
  border-color: rgba(232, 117, 151, 0.46) !important;
  color: #ffdce6 !important;
}

body[data-quiz-runner="sim-v2"] .sim-progress-bar {
  background: linear-gradient(90deg, var(--accent2), var(--accent)) !important;
}

body[data-quiz-runner="sim-v2"] .question-nav-btn {
  border-color: rgba(78, 108, 174, 0.45) !important;
  background: rgba(20, 30, 52, 0.9) !important;
  color: var(--text) !important;
}

body[data-quiz-runner="sim-v2"] .question-nav-btn.status-unanswered {
  color: var(--muted) !important;
}

body[data-quiz-runner="sim-v2"] .question-nav-btn.status-answered {
  background: rgba(26, 40, 72, 0.86) !important;
  color: #e6efff !important;
}

body[data-quiz-runner="sim-v2"] .question-nav-btn.status-current {
  background: linear-gradient(145deg, rgba(79, 132, 255, 0.28), rgba(38, 86, 211, 0.24)) !important;
  border-color: rgba(124, 164, 255, 0.9) !important;
  color: #eef4ff !important;
}

body[data-quiz-runner="sim-v2"] .question-nav-btn.status-correct,
body[data-quiz-runner="sim-v2"] .result-tile.status-correct {
  background: rgba(24, 68, 50, 0.82) !important;
  border-color: rgba(92, 229, 162, 0.54) !important;
  color: #c9fbe2 !important;
}

body[data-quiz-runner="sim-v2"] .question-nav-btn.status-wrong,
body[data-quiz-runner="sim-v2"] .result-tile.status-wrong {
  background: rgba(71, 27, 40, 0.82) !important;
  border-color: rgba(239, 125, 160, 0.5) !important;
  color: #ffdce6 !important;
}

body[data-quiz-runner="sim-v2"] .answer-option {
  background: rgba(19, 29, 49, 0.88) !important;
  border-color: rgba(78, 108, 174, 0.35) !important;
}

body[data-quiz-runner="sim-v2"] .sim-question-media-item,
body[data-quiz-runner="sim-v2"] .sim-media-lightbox-dialog,
body[data-quiz-runner="sim-v2"] #falstadFrame {
  border-color: var(--border) !important;
  background: rgba(12, 18, 32, 0.9) !important;
}

body[data-quiz-runner="sim-v2"] .answer-option:hover {
  border-color: rgba(124, 164, 255, 0.58) !important;
}

body[data-quiz-runner="sim-v2"] .result-tile {
  border-color: rgba(78, 108, 174, 0.35) !important;
  background: rgba(21, 32, 54, 0.9) !important;
  color: var(--text) !important;
}

body[data-quiz-runner="sim-v2"] .result-tile.status-unanswered {
  color: var(--muted) !important;
}

body[data-quiz-runner="sim-v2"] .review-state.correct {
  border-color: rgba(92, 229, 162, 0.45) !important;
  background: rgba(24, 68, 50, 0.74) !important;
  color: #ccfbe3 !important;
}

body[data-quiz-runner="sim-v2"] .review-state.wrong {
  border-color: rgba(239, 125, 160, 0.45) !important;
  background: rgba(71, 27, 40, 0.75) !important;
  color: #ffdce6 !important;
}

body[data-quiz-runner="sim-v2"] .review-state.unanswered {
  border-color: rgba(116, 139, 187, 0.38) !important;
  background: rgba(30, 40, 62, 0.74) !important;
  color: #d8e4fb !important;
}

body[data-quiz-runner="sim-v2"] .falstad-link-row a {
  color: #a8c5ff !important;
}

body[data-quiz-runner="sim-v2"] .falstad-help-panel h4 {
  color: #d9e6ff !important;
}

body[data-quiz-runner="sim-v2"] .falstad-help-panel ul,
body[data-quiz-runner="sim-v2"] .consent-dialog p,
body[data-quiz-runner="sim-v2"] .consent-dialog li {
  color: var(--muted) !important;
}

body[data-quiz-runner="sim-v2"] .falstad-inline-msg {
  color: #ffc7d8 !important;
}

body[data-quiz-runner="sim-v2"] .consent-modal {
  background: rgba(6, 10, 18, 0.84) !important;
  backdrop-filter: blur(6px);
}

@media (max-width: 900px) {
  .navbar {
    position: static;
    border-radius: var(--radius-md);
    width: min(1120px, calc(100% - 1.4rem));
    padding: 12px 14px;
  }

  .hero {
    width: min(1120px, calc(100% - 1.4rem));
    padding-top: 22px;
  }

  .footer {
    width: min(1120px, calc(100% - 1.4rem));
    margin-bottom: 12px;
  }
}

@media (max-width: 720px) {
  .logo {
    font-size: 18px;
    letter-spacing: 0.1em;
  }

  .nav {
    gap: 10px 14px;
  }

  .hero h1 {
    font-size: clamp(1.8rem, 8vw, 2.3rem);
  }

  .hero p {
    margin-bottom: 22px;
  }

  .hero-buttons,
  .sim-actions,
  .falstad-solution-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .hero-buttons .btn,
  .sim-actions .btn,
  .falstad-solution-actions .btn {
    width: 100%;
  }

  .question-nav-btn {
    width: 36px;
    height: 32px;
  }
}