:root {
  color-scheme: dark;
  --bg: #070b14;
  --surface: #0e1525;
  --surface-raised: #131d31;
  --surface-soft: #18243b;
  --line: #283650;
  --line-strong: #3d4e70;
  --text: #f5f7fb;
  --muted: #aeb9ce;
  --subtle: #7f8ba3;
  --accent: #9fb4ff;
  --accent-strong: #c2ceff;
  --accent-ink: #101a37;
  --correct: #59e3a8;
  --correct-bg: #0c3028;
  --wrong: #ff93a2;
  --wrong-bg: #3a1822;
  --focus: #f7d774;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --shadow: 0 24px 80px rgb(0 0 0 / 0.28);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 15% -10%, rgb(73 101 187 / 0.2), transparent 34rem),
    radial-gradient(circle at 100% 35%, rgb(81 44 139 / 0.16), transparent 32rem),
    var(--bg);
  line-height: 1.55;
}

button,
input,
select {
  color: inherit;
  font: inherit;
}

button,
select {
  cursor: pointer;
}

button:disabled {
  cursor: default;
}

a {
  color: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  color: #111827;
  background: var(--focus);
  font-weight: 800;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.ambient {
  position: fixed;
  z-index: -1;
  border-radius: 999px;
  filter: blur(90px);
  opacity: 0.16;
  pointer-events: none;
}

.ambient-one {
  top: 15%;
  left: -8rem;
  width: 20rem;
  height: 20rem;
  background: #5278ff;
}

.ambient-two {
  right: -10rem;
  bottom: 10%;
  width: 26rem;
  height: 26rem;
  background: #864ed9;
}

.shell {
  width: min(1160px, calc(100% - 40px));
  margin-inline: auto;
}

.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 12px max(20px, calc((100vw - 1160px) / 2));
  border-bottom: 1px solid rgb(255 255 255 / 0.08);
  background: rgb(7 11 20 / 0.82);
  backdrop-filter: blur(20px);
}

.brand,
.nav-button,
.back-button {
  border: 0;
  background: transparent;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-height: 46px;
  padding: 4px;
  color: var(--text);
  font-size: 1rem;
  font-weight: 650;
}

.brand b {
  color: var(--accent);
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgb(159 180 255 / 0.36);
  border-radius: 12px;
  color: var(--accent-strong);
  background: linear-gradient(145deg, #19284d, #10182b);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: -0.03em;
}

.main-nav {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgb(14 21 37 / 0.78);
}

.nav-button {
  min-height: 44px;
  padding: 8px 14px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.nav-button[aria-pressed="true"] {
  color: var(--text);
  background: var(--surface-soft);
}

.screen {
  min-height: calc(100vh - 164px);
  padding-block: 64px 90px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(290px, 0.72fr);
  gap: clamp(32px, 7vw, 96px);
  align-items: center;
  padding-block: 38px 78px;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 790px;
  margin-bottom: 22px;
  font-size: clamp(2.7rem, 6.5vw, 5.7rem);
  font-weight: 780;
  letter-spacing: -0.068em;
  line-height: 0.98;
}

.hero h1 span {
  color: transparent;
  background: linear-gradient(100deg, #c7d3ff, #9fc2ff 52%, #d3b9ff);
  background-clip: text;
  -webkit-background-clip: text;
}

.hero-text {
  max-width: 650px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.18rem);
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-metrics span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgb(14 21 37 / 0.72);
  font-size: 0.83rem;
}

.hero-metrics b {
  color: var(--text);
}

.focus-card {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border: 1px solid rgb(159 180 255 / 0.28);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(150deg, rgb(33 50 91 / 0.95), rgb(17 25 45 / 0.96)),
    var(--surface);
  box-shadow: var(--shadow);
}

.focus-card::after {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 150px;
  height: 150px;
  border-radius: 999px;
  background: rgb(159 180 255 / 0.14);
  content: "";
}

.focus-icon {
  display: grid;
  width: 44px;
  height: 44px;
  margin-bottom: 34px;
  place-items: center;
  border-radius: 14px;
  color: var(--accent-strong);
  background: rgb(159 180 255 / 0.14);
  font-size: 1.7rem;
}

.focus-card h2 {
  margin-bottom: 6px;
  font-size: 1.35rem;
}

.focus-card > p {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 0.92rem;
}

.session-picker {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 7px;
  margin: 0;
  padding: 0;
  border: 0;
}

.session-picker legend {
  margin-bottom: 9px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.session-picker label {
  position: relative;
}

.session-picker input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.session-picker span {
  display: grid;
  min-height: 44px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  color: var(--muted);
  background: rgb(7 11 20 / 0.3);
  font-weight: 780;
}

.session-picker input:checked + span {
  border-color: var(--accent);
  color: var(--accent-ink);
  background: var(--accent-strong);
}

.session-picker input:focus-visible + span {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.resume-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 56px;
  padding: 24px 26px;
  border: 1px solid rgb(89 227 168 / 0.32);
  border-radius: var(--radius-md);
  background: linear-gradient(100deg, rgb(12 48 40 / 0.92), rgb(16 27 43 / 0.92));
}

.resume-panel h2 {
  margin-bottom: 5px;
  font-size: 1.3rem;
}

.resume-panel p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.inline-actions,
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  min-height: 48px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 13px;
  font-weight: 780;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: var(--accent-ink);
  background: var(--accent-strong);
}

.button.secondary {
  border-color: var(--line-strong);
  color: var(--text);
  background: var(--surface-soft);
}

.button.quiet {
  border-color: var(--line);
  color: var(--muted);
  background: transparent;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  letter-spacing: -0.035em;
}

.section-heading > p {
  max-width: 410px;
  margin-bottom: 3px;
  color: var(--muted);
  text-align: right;
}

.section-heading.compact {
  align-items: center;
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.level-card {
  --level-color: var(--accent);
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgb(19 29 49 / 0.96), rgb(12 18 31 / 0.98));
  animation: rise 420ms both;
  animation-delay: var(--delay);
  transition: border-color 160ms ease, transform 160ms ease;
}

.level-card:hover {
  border-color: color-mix(in srgb, var(--level-color), var(--line) 35%);
  transform: translateY(-3px);
}

.level-kolay { --level-color: #70e5b3; }
.level-orta { --level-color: #8bbcff; }
.level-zor { --level-color: #d3a4ff; }
.level-uzman { --level-color: #ffad93; }

.level-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 36px;
  color: var(--subtle);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.level-number {
  color: var(--level-color);
}

.level-card h3 {
  margin-bottom: 7px;
  font-size: 1.65rem;
  letter-spacing: -0.03em;
}

.level-card > p {
  min-height: 52px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 0.88rem;
}

.level-start {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 46px;
  padding: 8px 0 0;
  border: 0;
  border-top: 1px solid var(--line);
  color: var(--text);
  background: transparent;
  font-size: 0.84rem;
  font-weight: 780;
}

.level-start span:last-child {
  color: var(--level-color);
  font-size: 1.2rem;
}

.privacy-note {
  margin-top: 24px;
  color: var(--subtle);
  font-size: 0.8rem;
  text-align: center;
}

.privacy-note span {
  margin-right: 6px;
  color: var(--correct);
}

.quiz-shell {
  max-width: 860px;
}

.quiz-toolbar {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  align-items: center;
  margin-bottom: 18px;
}

.back-button {
  min-height: 44px;
  padding: 7px 0;
  color: var(--muted);
  font-weight: 720;
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

progress {
  display: block;
  width: 100%;
  height: 8px;
  overflow: hidden;
  border: 0;
  border-radius: 99px;
  color: var(--accent);
  background: var(--surface-soft);
  accent-color: var(--accent);
}

progress::-webkit-progress-bar {
  border-radius: 99px;
  background: var(--surface-soft);
}

progress::-webkit-progress-value {
  border-radius: 99px;
  background: linear-gradient(90deg, #7899ff, #b7a4ff);
}

progress::-moz-progress-bar {
  border-radius: 99px;
  background: linear-gradient(90deg, #7899ff, #b7a4ff);
}

.live-score {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.live-score > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  min-height: 58px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  color: var(--muted);
  background: rgb(14 21 37 / 0.72);
  font-size: 0.78rem;
}

.live-score strong {
  color: var(--text);
  font-size: 1.24rem;
}

.live-score .score-correct strong { color: var(--correct); }
.live-score .score-wrong strong { color: var(--wrong); }

.question-card {
  padding: clamp(22px, 4.8vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, rgb(19 29 49 / 0.98), rgb(11 17 29 / 0.98));
  box-shadow: var(--shadow);
}

.question-meta,
.library-card-meta,
.review-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--subtle);
  font-size: 0.75rem;
  font-weight: 720;
}

.level-pill {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 4px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text);
  background: var(--surface-soft);
  font-size: 0.68rem;
  font-weight: 820;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.level-pill-kolay { border-color: rgb(112 229 179 / 0.44); color: #9af0cb; }
.level-pill-orta { border-color: rgb(139 188 255 / 0.44); color: #afd0ff; }
.level-pill-zor { border-color: rgb(211 164 255 / 0.44); color: #dfbfff; }
.level-pill-uzman { border-color: rgb(255 173 147 / 0.44); color: #ffc3b0; }

.question-prompt {
  max-width: 720px;
  margin-bottom: 28px;
  font-size: clamp(1.55rem, 3.8vw, 2.25rem);
  letter-spacing: -0.036em;
  line-height: 1.23;
}

.question-prompt:focus {
  outline: none;
}

.choice-list {
  display: grid;
  gap: 10px;
}

.choice-button {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 28px;
  gap: 14px;
  align-items: center;
  width: 100%;
  min-height: 62px;
  padding: 11px 15px;
  border: 1px solid var(--line);
  border-radius: 15px;
  color: var(--text);
  background: rgb(8 13 23 / 0.56);
  text-align: left;
  transition: border-color 140ms ease, background 140ms ease, transform 140ms ease;
}

.choice-button:not(:disabled):hover {
  border-color: var(--accent);
  background: rgb(35 49 83 / 0.66);
  transform: translateX(2px);
}

.choice-key {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--muted);
  background: var(--surface-raised);
  font-size: 0.75rem;
  font-weight: 850;
}

.choice-text {
  overflow-wrap: anywhere;
  font-weight: 680;
}

.choice-state {
  color: var(--subtle);
  font-size: 1.35rem;
  font-weight: 900;
  text-align: center;
}

.choice-button.is-correct {
  border-color: rgb(89 227 168 / 0.62);
  background: var(--correct-bg);
}

.choice-button.is-correct .choice-key,
.choice-button.is-correct .choice-state {
  border-color: rgb(89 227 168 / 0.52);
  color: var(--correct);
}

.choice-button.is-wrong {
  border-color: rgb(255 147 162 / 0.6);
  background: var(--wrong-bg);
}

.choice-button.is-wrong .choice-key,
.choice-button.is-wrong .choice-state {
  border-color: rgb(255 147 162 / 0.5);
  color: var(--wrong);
}

.feedback-panel {
  margin-top: 22px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface-raised);
}

.feedback-panel.is-empty {
  min-height: 1px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.feedback-panel.is-correct { border-color: rgb(89 227 168 / 0.4); }
.feedback-panel.is-wrong { border-color: rgb(255 147 162 / 0.4); }

.feedback-title {
  margin-bottom: 7px;
  font-size: 1.03rem;
  font-weight: 850;
}

.feedback-panel.is-correct .feedback-title { color: var(--correct); }
.feedback-panel.is-wrong .feedback-title { color: var(--wrong); }

.feedback-copy {
  margin-bottom: 10px;
  color: var(--muted);
}

.source-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 740;
  text-underline-offset: 4px;
}

.next-button {
  display: block;
  width: 100%;
  margin-top: 12px;
}

.keyboard-hint {
  margin: 14px 0 0;
  color: var(--subtle);
  font-size: 0.75rem;
  text-align: center;
}

kbd {
  padding: 2px 6px;
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 5px;
  color: var(--muted);
  background: var(--surface-raised);
  font: inherit;
  font-weight: 800;
}

.result-shell {
  max-width: 980px;
}

.result-summary {
  position: relative;
  padding: clamp(26px, 5vw, 52px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgb(23 36 65 / 0.98), rgb(12 18 31 / 0.98));
  box-shadow: var(--shadow);
}

.result-summary h1 {
  max-width: 650px;
  margin-bottom: 9px;
  font-size: clamp(2rem, 5vw, 3.8rem);
  letter-spacing: -0.055em;
  line-height: 1.05;
}

.result-summary > p:not(.eyebrow) {
  max-width: 580px;
  margin-bottom: 26px;
  color: var(--muted);
}

.result-score {
  position: absolute;
  top: 45px;
  right: 50px;
  display: grid;
  width: 126px;
  height: 126px;
  place-content: center;
  border: 1px solid rgb(159 180 255 / 0.38);
  border-radius: 999px;
  background: rgb(159 180 255 / 0.08);
  text-align: center;
}

.result-score strong {
  color: var(--accent-strong);
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.result-score span {
  color: var(--muted);
  font-size: 0.72rem;
}

.result-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(90px, 150px));
  gap: 9px;
  margin-bottom: 25px;
}

.result-stats > div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgb(7 11 20 / 0.34);
}

.result-stats span,
.result-stats strong {
  display: block;
}

.result-stats span {
  color: var(--muted);
  font-size: 0.74rem;
}

.result-stats strong {
  margin-top: 2px;
  font-size: 1.45rem;
}

.review-section {
  padding-top: 56px;
}

.review-list,
.library-list {
  display: grid;
  gap: 12px;
}

.review-card,
.library-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgb(14 21 37 / 0.82);
}

.review-card.review-correct { border-left: 4px solid var(--correct); }
.review-card.review-wrong { border-left: 4px solid var(--wrong); }

.review-state {
  padding: 3px 8px;
  border-radius: 999px;
  color: var(--text);
  background: var(--surface-soft);
  font-size: 0.68rem;
  text-transform: uppercase;
}

.review-correct .review-state { color: var(--correct); }
.review-wrong .review-state { color: var(--wrong); }

.review-card h3,
.library-card h2 {
  margin-bottom: 12px;
  font-size: 1.05rem;
  line-height: 1.4;
}

.review-answer,
.library-answer {
  margin-bottom: 7px;
  color: var(--text);
  font-weight: 720;
}

.review-explanation,
.library-explanation {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.9rem;
}

.load-more {
  display: block;
  min-width: 190px;
  margin: 22px auto 0;
}

.library-shell {
  max-width: 980px;
}

.library-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr);
  gap: 50px;
  align-items: end;
  margin-bottom: 30px;
}

.library-header h1 {
  margin-bottom: 8px;
  font-size: clamp(2.3rem, 5vw, 4.5rem);
  letter-spacing: -0.06em;
  line-height: 1;
}

.library-header > div > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.library-search label,
.library-filters label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 740;
}

.library-search input,
.library-filters select {
  width: 100%;
  min-height: 48px;
  padding: 10px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  color: var(--text);
  background: var(--surface-raised);
}

.library-search input::placeholder {
  color: var(--subtle);
}

.library-filters {
  display: grid;
  grid-template-columns: 180px minmax(230px, 1fr) auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 20px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgb(14 21 37 / 0.72);
}

.library-filters p {
  margin: 0 5px 13px 8px;
  color: var(--muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

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

.library-card {
  min-width: 0;
}

.library-card-meta {
  min-height: 29px;
}

.empty-state {
  padding: 60px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  color: var(--muted);
  text-align: center;
}

.empty-state > span {
  display: block;
  color: var(--accent);
  font-size: 2.5rem;
}

.empty-state h2 {
  margin: 8px 0 4px;
  color: var(--text);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 25px max(20px, calc((100vw - 1160px) / 2));
  border-top: 1px solid var(--line);
  color: var(--subtle);
  font-size: 0.73rem;
}

.site-footer p {
  margin: 0;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 12px;
  }

  .focus-card {
    max-width: 520px;
  }

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

  .result-score {
    position: static;
    width: 108px;
    height: 108px;
    margin-bottom: 22px;
  }

  .library-header {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 24px, 1160px);
  }

  .topbar {
    min-height: 64px;
    padding: 9px 12px;
  }

  .brand > span:last-child {
    display: none;
  }

  .main-nav {
    border-color: transparent;
    background: transparent;
  }

  .nav-button {
    padding-inline: 10px;
  }

  .screen {
    padding-block: 34px 64px;
  }

  .hero {
    gap: 34px;
    padding-bottom: 54px;
  }

  .hero h1 {
    font-size: clamp(2.55rem, 13vw, 4rem);
  }

  .hero-metrics span {
    padding-inline: 10px;
  }

  .focus-card {
    padding: 22px;
  }

  .resume-panel,
  .section-heading,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .inline-actions .button {
    flex: 1 1 130px;
  }

  .section-heading {
    gap: 8px;
  }

  .section-heading > p {
    text-align: left;
  }

  .level-grid,
  .library-list {
    grid-template-columns: 1fr;
  }

  .level-card > p {
    min-height: 0;
  }

  .quiz-toolbar {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .back-button {
    justify-self: start;
  }

  .live-score > div {
    display: grid;
    gap: 2px;
    min-height: 63px;
    padding: 11px;
  }

  .question-card {
    border-radius: 20px;
  }

  .question-meta {
    margin-bottom: 15px;
  }

  .choice-button {
    grid-template-columns: 34px minmax(0, 1fr) 24px;
    gap: 10px;
    min-height: 60px;
    padding-inline: 11px;
  }

  .result-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .result-actions .button {
    flex: 1 1 100%;
  }

  .library-filters {
    grid-template-columns: 1fr;
  }

  .library-filters p {
    margin: 4px 0 0;
    white-space: normal;
  }

  .site-footer {
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .choice-button.is-correct,
  .choice-button.is-wrong,
  .review-card {
    border-width: 3px;
  }
}