:root {
    --ink: #121813;
    --ink-soft: #303a32;
    --canvas: #f2f0e8;
    --paper: #faf9f4;
    --paper-muted: #e8e5da;
    --line: rgba(18, 24, 19, 0.16);
    --line-strong: rgba(18, 24, 19, 0.32);
    --forest: #12251a;
    --forest-2: #1d3526;
    --white: #fffef9;
    --muted: #697069;
    --compta: #9acb62;
    --compta-deep: #477628;
    --finance: #e8b44f;
    --finance-deep: #956616;
    --fiscalite: #ee7659;
    --fiscalite-deep: #a83f2c;
    --danger: #b53d35;
    --success: #2f7b4a;
    --shadow: 0 22px 64px rgba(19, 30, 21, 0.12);
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 18px;
    --container: 1440px;
    --header-height: 74px;
    color-scheme: light;
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-synthesis: none;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    background: var(--canvas);
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background:
        linear-gradient(90deg, transparent 0, transparent calc(100% - 1px), rgba(18, 24, 19, 0.05) calc(100% - 1px)) 0 0 / 64px 64px,
        var(--canvas);
    -webkit-font-smoothing: antialiased;
}

button,
input,
select {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    color: inherit;
}

a {
    color: inherit;
}

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

[hidden] {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 1000;
    transform: translateY(-150%);
    padding: 10px 14px;
    border-radius: 6px;
    color: var(--white);
    background: var(--forest);
}

.skip-link:focus {
    transform: none;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    height: var(--header-height);
    color: var(--white);
    background: rgba(14, 25, 17, 0.96);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(18px);
}

.header-inner {
    width: min(100% - 40px, var(--container));
    height: 100%;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 24px;
}

.brand {
    width: max-content;
    display: inline-flex;
    align-items: center;
    gap: 11px;
    text-decoration: none;
}

.brand-mark {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.42);
    border-radius: 8px;
    color: var(--forest);
    background: var(--compta);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: -0.04em;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.brand-copy {
    display: grid;
    line-height: 1;
}

.brand-copy strong {
    font-size: 14px;
    letter-spacing: 0.18em;
}

.brand-copy small {
    margin-top: 5px;
    color: rgba(255, 255, 255, 0.55);
    font-size: 10px;
    letter-spacing: 0.05em;
}

.season-status {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.65);
    font-size: 12px;
    letter-spacing: 0.04em;
}

.season-status strong {
    color: var(--white);
    font-weight: 650;
}

.live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--compta);
    box-shadow: 0 0 0 4px rgba(154, 203, 98, 0.12);
}

.season-separator {
    width: 1px;
    height: 16px;
    background: rgba(255, 255, 255, 0.18);
}

.header-action {
    justify-self: end;
    padding: 9px 12px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 7px;
    color: rgba(255, 255, 255, 0.78);
    background: transparent;
    font-size: 12px;
    cursor: pointer;
    transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.header-action:hover {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.36);
    background: rgba(255, 255, 255, 0.06);
}

main {
    min-height: calc(100vh - var(--header-height));
}

.app-shell {
    width: min(100% - 40px, var(--container));
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 370px;
    align-items: start;
    gap: clamp(28px, 4vw, 68px);
    padding: clamp(42px, 6vw, 86px) 0 76px;
}

.arena-column {
    min-width: 0;
}

.arena-intro {
    max-width: 760px;
    margin-bottom: clamp(36px, 5vw, 64px);
}

.eyebrow {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
}

.eyebrow span,
.panel-kicker {
    color: var(--muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.eyebrow span {
    padding: 6px 8px;
    border: 1px solid var(--line);
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.28);
}

.arena-intro h1 {
    margin: 0;
    max-width: 720px;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(46px, 6vw, 86px);
    font-weight: 500;
    line-height: 0.94;
    letter-spacing: -0.055em;
}

.arena-intro h1 em {
    color: var(--compta-deep);
    font-weight: 500;
}

.arena-intro > p {
    max-width: 520px;
    margin: 24px 0 0;
    color: var(--ink-soft);
    font-size: 16px;
    line-height: 1.65;
}

.identity-strip {
    position: relative;
    display: grid;
    grid-template-columns: minmax(280px, 1fr) minmax(260px, 0.8fr);
    align-items: end;
    gap: 28px;
    padding: 24px 0;
    border-top: 1px solid var(--line-strong);
    border-bottom: 1px solid var(--line);
}

.identity-copy,
.section-heading > div:first-child,
.review-heading > div:first-child {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.step-index {
    flex: 0 0 auto;
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 25px;
    border-radius: 4px;
    color: var(--white);
    background: var(--forest);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.identity-copy h2,
.section-heading h2,
.review-heading h2 {
    margin: 0;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(25px, 2.5vw, 34px);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.03em;
}

.identity-copy p {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
}

.pseudo-control {
    position: relative;
}

.pseudo-control input {
    width: 100%;
    height: 52px;
    padding: 0 52px 0 15px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.54);
    font-size: 15px;
    transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.pseudo-control input::placeholder {
    color: #92978f;
}

.pseudo-control input:focus {
    border-color: var(--compta-deep);
    background: var(--paper);
    box-shadow: 0 0 0 4px rgba(71, 118, 40, 0.08);
}

.pseudo-control input[aria-invalid="true"] {
    border-color: var(--danger);
}

.pseudo-ready {
    position: absolute;
    top: 7px;
    right: 7px;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 6px;
    color: var(--white);
    background: var(--forest);
}

.field-message {
    position: absolute;
    right: 0;
    bottom: -22px;
    min-height: 17px;
    margin: 0;
    color: var(--danger);
    font-size: 11px;
}

.quiz-catalog {
    padding-top: 58px;
}

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 28px;
}

.scoring-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px 14px;
    color: var(--muted);
    font-size: 11px;
}

.scoring-legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.legend-mark {
    width: 8px;
    height: 8px;
    display: inline-block;
    border-radius: 2px;
}

.legend-correct {
    background: var(--compta-deep);
}

.legend-speed {
    background: var(--finance);
}

.category-tabs {
    display: flex;
    gap: 4px;
    padding-bottom: 14px;
    overflow-x: auto;
    border-bottom: 1px solid var(--line-strong);
    scrollbar-width: none;
}

.category-tabs::-webkit-scrollbar {
    display: none;
}

.category-tab {
    min-height: 38px;
    padding: 8px 12px;
    border: 0;
    border-radius: 6px;
    color: var(--muted);
    background: transparent;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
}

.category-tab span {
    display: inline-grid;
    place-items: center;
    min-width: 19px;
    height: 19px;
    margin-left: 5px;
    padding: 0 5px;
    border-radius: 9px;
    background: rgba(18, 24, 19, 0.08);
    font-size: 9px;
}

.category-tab:hover {
    color: var(--ink);
    background: rgba(255, 255, 255, 0.45);
}

.category-tab.is-active {
    color: var(--white);
    background: var(--forest);
}

.category-tab.is-active span {
    background: rgba(255, 255, 255, 0.14);
}

.quiz-group {
    margin-top: 30px;
}

.quiz-group[hidden] {
    display: none;
}

.group-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.group-header h3 {
    margin: 0;
    color: var(--ink-soft);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.group-header::after {
    content: "";
    height: 1px;
    flex: 1;
    background: var(--line);
}

.quiz-row {
    --accent: var(--compta);
    --accent-deep: var(--compta-deep);
    position: relative;
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr) minmax(120px, auto) 48px;
    align-items: center;
    min-height: 112px;
    border-bottom: 1px solid var(--line);
    transition: background 170ms ease, transform 170ms ease;
}

.quiz-row:first-of-type {
    border-top: 1px solid var(--line);
}

.quiz-row::before {
    content: "";
    position: absolute;
    inset: 10px auto 10px -1px;
    width: 3px;
    border-radius: 2px;
    background: var(--accent);
    transform: scaleY(0.35);
    opacity: 0;
    transition: transform 170ms ease, opacity 170ms ease;
}

.quiz-row:hover {
    background: rgba(255, 255, 255, 0.46);
}

.quiz-row:hover::before {
    transform: scaleY(1);
    opacity: 1;
}

.quiz-row.category-finance {
    --accent: var(--finance);
    --accent-deep: var(--finance-deep);
}

.quiz-row.category-fiscalite {
    --accent: var(--fiscalite);
    --accent-deep: var(--fiscalite-deep);
}

.quiz-index {
    color: var(--accent-deep);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 22px;
    font-variant-numeric: tabular-nums;
}

.quiz-body {
    min-width: 0;
    padding: 18px 20px 18px 0;
}

.quiz-body h4 {
    margin: 0 0 7px;
    overflow-wrap: anywhere;
    font-size: 17px;
    letter-spacing: -0.02em;
}

.quiz-body p {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
}

.quiz-meta {
    padding: 18px 18px;
    border-left: 1px solid var(--line);
}

.quiz-meta > span {
    display: block;
    color: var(--muted);
    font-size: 10px;
    letter-spacing: 0.04em;
}

.quiz-meta strong {
    display: block;
    margin: 5px 0 7px;
    color: var(--ink-soft);
    font-size: 12px;
}

.leader-mini {
    color: var(--accent-deep) !important;
    max-width: 170px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.start-quiz {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    color: var(--ink);
    background: transparent;
    font-size: 20px;
    cursor: pointer;
    transition: color 160ms ease, background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.start-quiz:hover {
    color: var(--forest);
    border-color: var(--accent-deep);
    background: var(--accent);
    transform: translateX(2px);
}

.loading-state {
    display: grid;
    gap: 1px;
    margin-top: 28px;
}

.loading-line {
    height: 104px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.66), rgba(255, 255, 255, 0.2));
    background-size: 220% 100%;
    animation: loading 1.5s linear infinite;
    border-bottom: 1px solid var(--line);
}

@keyframes loading {
    to { background-position: -220% 0; }
}

.leaderboard-panel,
.result-ranking {
    position: sticky;
    top: calc(var(--header-height) + 28px);
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--white);
    background:
        linear-gradient(150deg, rgba(255, 255, 255, 0.06), transparent 42%),
        var(--forest);
    box-shadow: var(--shadow);
}

.leaderboard-panel::before,
.result-ranking::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    border-radius: inherit;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.leaderboard-topline,
.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
}

.leaderboard-panel .panel-kicker,
.result-ranking .panel-kicker {
    color: rgba(255, 255, 255, 0.44);
}

.leaderboard-panel h2,
.result-ranking h2,
.info-dialog h2 {
    margin: 6px 0 0;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 29px;
    font-weight: 500;
    letter-spacing: -0.03em;
}

.icon-button {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 7px;
    color: rgba(255, 255, 255, 0.75);
    background: transparent;
    font-size: 18px;
    cursor: pointer;
}

.icon-button:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.08);
}

.icon-button.is-spinning {
    animation: spin 500ms ease;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.ranking-switch {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3px;
    margin-top: 22px;
    padding: 3px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.14);
}

.ranking-tab {
    height: 34px;
    border: 0;
    border-radius: 5px;
    color: rgba(255, 255, 255, 0.52);
    background: transparent;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
}

.ranking-tab.is-active {
    color: var(--forest);
    background: var(--paper);
}

.ranking-select-wrap {
    display: block;
    margin-top: 10px;
}

.ranking-select-wrap select {
    width: 100%;
    height: 38px;
    padding: 0 32px 0 10px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 7px;
    color: var(--white);
    background: var(--forest-2);
    font-size: 11px;
}

.podium {
    min-height: 128px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: end;
    gap: 8px;
    margin: 20px 0 16px;
}

.podium-item {
    min-width: 0;
    text-align: center;
}

.podium-avatar {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    margin: 0 auto 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--white);
    background: var(--forest-2);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.podium-item.is-first .podium-avatar {
    width: 54px;
    height: 54px;
    border-color: rgba(232, 180, 79, 0.7);
    color: var(--forest);
    background: var(--finance);
    box-shadow: 0 0 0 5px rgba(232, 180, 79, 0.09);
}

.podium-place {
    display: block;
    margin-bottom: 4px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 9px;
    font-weight: 800;
}

.podium-name {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 11px;
    font-weight: 700;
}

.podium-points {
    display: block;
    margin-top: 3px;
    color: var(--compta);
    font-size: 9px;
    font-variant-numeric: tabular-nums;
}

.ranking-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.ranking-line {
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr) auto;
    align-items: center;
    min-height: 48px;
    border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.ranking-position {
    color: rgba(255, 255, 255, 0.38);
    font-size: 10px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.ranking-player {
    min-width: 0;
}

.ranking-player strong,
.ranking-player span {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ranking-player strong {
    font-size: 12px;
    font-weight: 700;
}

.ranking-player span {
    margin-top: 3px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 9px;
}

.ranking-score {
    color: var(--compta);
    font-size: 11px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.ranking-empty {
    padding: 34px 4px;
    color: rgba(255, 255, 255, 0.44);
    text-align: center;
    font-size: 12px;
    line-height: 1.5;
}

.ranking-note {
    margin: 16px 0 0;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.09);
    color: rgba(255, 255, 255, 0.38);
    font-size: 9px;
    line-height: 1.5;
}

/* Quiz */
.quiz-screen {
    min-height: calc(100vh - var(--header-height));
    color: var(--white);
    background:
        radial-gradient(circle at 15% 20%, rgba(154, 203, 98, 0.08), transparent 30%),
        var(--forest);
}

.quiz-topbar,
.quiz-progress-wrap,
.question-stage {
    width: min(100% - 40px, 1180px);
    margin: 0 auto;
}

.quiz-topbar {
    min-height: 112px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.quit-button {
    width: max-content;
    padding: 9px 0;
    border: 0;
    color: inherit;
    background: transparent;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    opacity: 0.62;
}

.quit-button:hover {
    opacity: 1;
}

.quiz-heading {
    text-align: center;
}

.quiz-heading span {
    color: var(--compta);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.quiz-heading h1 {
    margin: 5px 0 0;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 24px;
    font-weight: 500;
}

.timer {
    justify-self: end;
    min-width: 94px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
}

.timer-icon {
    width: 10px;
    height: 10px;
    border: 2px solid var(--compta);
    border-radius: 50%;
}

.timer strong {
    font-size: 14px;
    font-variant-numeric: tabular-nums;
}

.timer.is-urgent {
    color: #ffd5cb;
    border-color: rgba(238, 118, 89, 0.6);
    background: rgba(238, 118, 89, 0.12);
}

.timer.is-urgent .timer-icon {
    border-color: var(--fiscalite);
}

.quiz-progress-wrap {
    padding-top: 24px;
}

.quiz-progress-copy {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.46);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.quiz-progress {
    height: 3px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
}

.quiz-progress span {
    display: block;
    width: 0;
    height: 100%;
    background: var(--compta);
    transition: width 260ms ease;
}

.question-stage {
    padding: clamp(40px, 6vw, 78px) 0 72px;
}

.question-panel {
    width: min(100%, 850px);
    margin: 0 auto;
}

.question-number {
    width: 42px;
    height: 27px;
    display: grid;
    place-items: center;
    margin-bottom: 22px;
    border: 1px solid rgba(154, 203, 98, 0.42);
    border-radius: 5px;
    color: var(--compta);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.question-panel h2 {
    max-width: 820px;
    min-height: 112px;
    margin: 0 0 34px;
    overflow-wrap: anywhere;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 500;
    line-height: 1.12;
    letter-spacing: -0.035em;
}

.answer-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.answer-option {
    position: relative;
    min-width: 0;
    min-height: 76px;
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr) 22px;
    align-items: center;
    gap: 12px;
    padding: 13px 16px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 9px;
    color: rgba(255, 255, 255, 0.78);
    background: rgba(255, 255, 255, 0.035);
    text-align: left;
    cursor: pointer;
    transition: border-color 150ms ease, background 150ms ease, color 150ms ease, transform 150ms ease;
}

.answer-option:hover {
    color: var(--white);
    border-color: rgba(154, 203, 98, 0.42);
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-1px);
}

.answer-option.is-selected {
    color: var(--white);
    border-color: var(--compta);
    background: rgba(154, 203, 98, 0.11);
    box-shadow: inset 3px 0 0 var(--compta);
}

.answer-key {
    width: 31px;
    height: 31px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 10px;
    font-weight: 800;
}

.answer-option.is-selected .answer-key {
    color: var(--forest);
    border-color: var(--compta);
    background: var(--compta);
}

.answer-copy {
    overflow-wrap: anywhere;
    font-size: 13px;
    line-height: 1.45;
}

.answer-check {
    width: 17px;
    height: 17px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 50%;
}

.answer-option.is-selected .answer-check {
    border: 5px solid var(--compta);
}

.question-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-top: 26px;
}

.question-actions p {
    margin: 0;
    color: rgba(255, 255, 255, 0.34);
    font-size: 10px;
}

kbd {
    padding: 2px 5px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-bottom-width: 2px;
    border-radius: 4px;
    font: inherit;
}

.primary-button,
.secondary-button {
    min-height: 46px;
    padding: 0 17px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 150ms ease, background 150ms ease, opacity 150ms ease;
}

.primary-button {
    border: 1px solid var(--compta);
    color: var(--forest);
    background: var(--compta);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.primary-button span {
    margin-left: 8px;
}

.primary-button:hover:not(:disabled) {
    background: #add976;
    transform: translateY(-1px);
}

.primary-button:disabled {
    cursor: not-allowed;
    opacity: 0.36;
}

.secondary-button {
    border: 1px solid var(--line-strong);
    color: var(--ink);
    background: transparent;
}

.secondary-button:hover {
    background: rgba(18, 24, 19, 0.06);
}

/* Résultat */
.result-screen {
    width: min(100% - 40px, var(--container));
    margin: 0 auto;
    padding: clamp(44px, 6vw, 84px) 0 76px;
}

.result-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 370px;
    align-items: start;
    gap: clamp(30px, 5vw, 76px);
}

.result-summary {
    min-width: 0;
}

.result-summary .quit-button {
    color: var(--ink);
    margin-bottom: 45px;
}

.result-rank-badge {
    width: 74px;
    height: 42px;
    display: grid;
    place-items: center;
    margin-bottom: 20px;
    border-radius: 6px;
    color: var(--forest);
    background: var(--finance);
    font-size: 17px;
    font-weight: 900;
    font-variant-numeric: tabular-nums;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.result-kicker {
    color: var(--muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.result-summary h1 {
    margin: 8px 0 12px;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(48px, 6vw, 82px);
    font-weight: 500;
    line-height: 0.98;
    letter-spacing: -0.05em;
}

.result-summary > p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.result-scoreline {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 42px;
    border-top: 1px solid var(--line-strong);
    border-bottom: 1px solid var(--line);
}

.result-scoreline > div {
    min-width: 0;
    padding: 24px 20px 24px 0;
}

.result-scoreline > div + div {
    padding-left: 20px;
    border-left: 1px solid var(--line);
}

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

.result-scoreline strong {
    overflow-wrap: anywhere;
    font-size: clamp(24px, 3vw, 36px);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.04em;
}

.result-scoreline span {
    margin-top: 5px;
    color: var(--muted);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.result-actions {
    display: flex;
    gap: 10px;
    margin-top: 28px;
}

.result-summary .primary-button {
    min-height: 50px;
}

.result-ranking {
    top: calc(var(--header-height) + 28px);
}

.result-ranking .ranking-list {
    margin-top: 20px;
}

.review-section {
    margin-top: 86px;
    padding-top: 34px;
    border-top: 1px solid var(--line-strong);
}

.review-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 28px;
}

.review-heading > p {
    max-width: 390px;
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.55;
}

.review-list {
    display: grid;
    gap: 0;
}

.review-item {
    display: grid;
    grid-template-columns: 54px minmax(0, 1fr) 130px;
    gap: 20px;
    padding: 24px 0;
    border-top: 1px solid var(--line);
}

.review-status {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border: 1px solid currentColor;
    border-radius: 50%;
    color: var(--danger);
    font-size: 13px;
    font-weight: 900;
}

.review-item.is-correct .review-status {
    color: var(--success);
}

.review-content h3 {
    margin: 0 0 12px;
    overflow-wrap: anywhere;
    font-size: 15px;
    line-height: 1.45;
}

.review-answer {
    margin: 0 0 9px;
    color: var(--danger);
    font-size: 12px;
}

.review-item.is-correct .review-answer {
    color: var(--success);
}

.review-explanation {
    max-width: 800px;
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.6;
}

.review-source {
    align-self: start;
    display: inline-flex;
    justify-content: flex-end;
    color: var(--ink-soft);
    font-size: 10px;
    font-weight: 700;
    line-height: 1.4;
    text-align: right;
    text-decoration: underline;
    text-decoration-color: var(--line-strong);
    text-underline-offset: 3px;
}

.review-source:hover {
    color: var(--compta-deep);
}

/* Dialogues et pied de page */
.site-footer {
    width: min(100% - 40px, var(--container));
    min-height: 84px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    border-top: 1px solid var(--line-strong);
    color: var(--muted);
    font-size: 10px;
}

.site-footer > div {
    display: flex;
    align-items: center;
    gap: 16px;
}

.site-footer strong {
    color: var(--ink);
    letter-spacing: 0.08em;
}

.site-footer nav {
    display: flex;
    gap: 14px;
}

.site-footer button {
    padding: 7px 0;
    border: 0;
    color: inherit;
    background: transparent;
    font-size: 10px;
    cursor: pointer;
}

.site-footer button:hover {
    color: var(--ink);
}

.info-dialog {
    width: min(92vw, 680px);
    max-height: min(82vh, 760px);
    margin: auto;
    padding: 28px;
    overflow: auto;
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    color: var(--ink);
    background: var(--paper);
    box-shadow: 0 30px 100px rgba(0, 0, 0, 0.28);
}

.info-dialog::backdrop {
    background: rgba(8, 15, 10, 0.72);
    backdrop-filter: blur(6px);
}

.info-dialog .icon-button {
    color: var(--ink);
    border-color: var(--line);
}

.info-dialog > p {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.65;
}

.source-list {
    margin: 24px 0;
    padding: 0;
    border-top: 1px solid var(--line);
    list-style: none;
}

.source-list li {
    border-bottom: 1px solid var(--line);
}

.source-list a {
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    color: var(--ink-soft);
    font-size: 12px;
    text-decoration: none;
}

.source-list a::after {
    content: "↗";
    color: var(--compta-deep);
}

.source-list a:hover {
    color: var(--compta-deep);
}

.legal-caution {
    padding: 13px;
    border-left: 3px solid var(--finance);
    background: rgba(232, 180, 79, 0.1);
    color: var(--ink-soft) !important;
    font-size: 11px !important;
}

.toast {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 100;
    max-width: min(380px, calc(100vw - 40px));
    padding: 12px 15px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    color: var(--white);
    background: var(--forest);
    box-shadow: var(--shadow);
    font-size: 12px;
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity 170ms ease, transform 170ms ease;
}

.toast.is-visible {
    opacity: 1;
    transform: none;
}

.noscript {
    position: fixed;
    inset: auto 20px 20px;
    z-index: 100;
    padding: 14px;
    color: #fff;
    background: var(--danger);
}

@media (max-width: 1080px) {
    .app-shell,
    .result-layout {
        grid-template-columns: minmax(0, 1fr) 330px;
        gap: 34px;
    }

    .quiz-row {
        grid-template-columns: 48px minmax(0, 1fr) 48px;
    }

    .quiz-meta {
        grid-column: 2;
        padding: 0 0 17px;
        border: 0;
    }

    .quiz-meta strong,
    .quiz-meta > span {
        display: inline;
        margin-right: 8px;
    }

    .start-quiz {
        grid-column: 3;
        grid-row: 1 / span 2;
    }
}

@media (max-width: 860px) {
    :root {
        --header-height: 66px;
    }

    .header-inner {
        width: min(100% - 28px, var(--container));
        grid-template-columns: 1fr auto;
    }

    .season-status {
        display: none;
    }

    .app-shell,
    .result-layout {
        grid-template-columns: 1fr;
    }

    .app-shell,
    .result-screen,
    .site-footer {
        width: min(100% - 28px, var(--container));
    }

    .leaderboard-panel,
    .result-ranking {
        position: relative;
        top: auto;
    }

    .leaderboard-panel {
        margin-top: 12px;
    }

    .podium {
        max-width: 420px;
        margin-inline: auto;
    }
}

@media (max-width: 640px) {
    body {
        background: var(--canvas);
    }

    .header-action {
        padding: 8px 9px;
        font-size: 10px;
    }

    .brand-copy small {
        display: none;
    }

    .arena-intro {
        margin-bottom: 34px;
    }

    .arena-intro h1 {
        font-size: clamp(44px, 14vw, 64px);
    }

    .arena-intro > p {
        margin-top: 18px;
        font-size: 14px;
    }

    .identity-strip {
        grid-template-columns: 1fr;
        gap: 18px;
        padding-bottom: 30px;
    }

    .field-message {
        left: 0;
        right: auto;
        bottom: 8px;
    }

    .quiz-catalog {
        padding-top: 46px;
    }

    .section-heading,
    .review-heading {
        display: grid;
        gap: 18px;
    }

    .scoring-legend {
        justify-content: flex-start;
        padding-left: 50px;
    }

    .quiz-row {
        grid-template-columns: 42px minmax(0, 1fr) 42px;
        min-height: 126px;
    }

    .quiz-index {
        align-self: start;
        padding-top: 24px;
        font-size: 18px;
    }

    .quiz-body {
        padding-right: 10px;
    }

    .quiz-body h4 {
        font-size: 15px;
    }

    .leader-mini {
        display: block !important;
        max-width: 190px;
        margin-top: 4px !important;
    }

    .quiz-topbar,
    .quiz-progress-wrap,
    .question-stage {
        width: min(100% - 28px, 1180px);
    }

    .quiz-topbar {
        min-height: 92px;
        grid-template-columns: auto 1fr auto;
        gap: 12px;
    }

    .quiz-heading {
        min-width: 0;
        text-align: left;
    }

    .quiz-heading h1 {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        font-size: 17px;
    }

    .quiz-topbar .quit-button {
        width: 37px;
        overflow: hidden;
        white-space: nowrap;
        color: transparent;
    }

    .quiz-topbar .quit-button::first-letter {
        color: var(--white);
    }

    .timer {
        min-width: 76px;
        height: 38px;
    }

    .question-stage {
        padding-top: 42px;
    }

    .question-panel h2 {
        min-height: 0;
        margin-bottom: 26px;
        font-size: clamp(27px, 8.5vw, 38px);
    }

    .answer-list {
        grid-template-columns: 1fr;
    }

    .answer-option {
        min-height: 68px;
    }

    .question-actions {
        display: grid;
    }

    .question-actions p {
        display: none;
    }

    .question-actions .primary-button {
        width: 100%;
    }

    .result-summary .quit-button {
        margin-bottom: 34px;
    }

    .result-scoreline {
        grid-template-columns: 1fr 1fr;
    }

    .result-scoreline > div {
        padding: 20px 0;
    }

    .result-scoreline > div + div {
        padding-left: 14px;
    }

    .result-scoreline > div:nth-child(3) {
        grid-column: 1 / -1;
        padding-left: 0;
        border-top: 1px solid var(--line);
        border-left: 0;
    }

    .result-actions {
        display: grid;
    }

    .review-section {
        margin-top: 58px;
    }

    .review-item {
        grid-template-columns: 42px minmax(0, 1fr);
        gap: 12px;
    }

    .review-source {
        grid-column: 2;
        justify-content: flex-start;
        text-align: left;
    }

    .site-footer {
        align-items: flex-start;
        padding: 22px 0;
    }

    .site-footer > div {
        display: grid;
        gap: 5px;
    }

    .site-footer nav {
        flex-direction: column;
        align-items: flex-end;
        gap: 2px;
    }

    .info-dialog {
        width: calc(100vw - 20px);
        max-height: calc(100vh - 20px);
        padding: 20px;
    }
}

@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;
    }
}

/* EC Arena 1.4 — Extended Premium / Ranked Broadcast */
:root {
    --arena-cyan: #55c7ff;
    --arena-signal: #00d8a0;
    --arena-warning: #ffb238;
}

.site-header {
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(16px) saturate(135%);
}

.live-dot {
    animation: arena-live-pulse 2.2s ease-out infinite;
}

.arena-intro {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 210px;
    align-items: center;
    gap: 28px 42px;
}

.arena-intro-main {
    position: relative;
    z-index: 2;
    min-width: 0;
}

.arena-intro-main > p {
    max-width: 590px;
    margin: 24px 0 0;
    color: rgba(255, 255, 255, 0.76);
    font-size: 15px;
    line-height: 1.65;
}

.arena-rank-mark {
    position: relative;
    z-index: 2;
    aspect-ratio: 1;
    display: grid;
    place-content: center;
    align-self: stretch;
    min-height: 168px;
    padding: 28px 18px;
    text-align: center;
    background:
        linear-gradient(145deg, rgba(85, 199, 255, 0.18), rgba(21, 94, 239, 0.04)),
        rgba(0, 0, 0, 0.13);
    clip-path: polygon(50% 0, 94% 23%, 94% 76%, 50% 100%, 6% 76%, 6% 23%);
}

.arena-rank-mark::before,
.arena-rank-mark::after {
    content: "";
    position: absolute;
    pointer-events: none;
}

.arena-rank-mark::before {
    inset: 11px;
    background: linear-gradient(135deg, rgba(85, 199, 255, 0.28), transparent 58%);
    clip-path: polygon(50% 0, 94% 23%, 94% 76%, 50% 100%, 6% 76%, 6% 23%, 50% 4%, 89% 25%, 89% 73%, 50% 96%, 11% 73%, 11% 25%, 50% 4%);
}

.arena-rank-mark::after {
    width: 48%;
    height: 3px;
    left: 26%;
    bottom: 24%;
    background: var(--arena-cyan);
    box-shadow: 0 0 18px rgba(85, 199, 255, 0.8);
}

.arena-rank-mark span,
.arena-rank-mark small {
    color: #9ddcff;
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 8px;
    letter-spacing: 0.16em;
}

.arena-rank-mark strong {
    margin: 7px 0 5px;
    color: var(--white);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 27px;
    letter-spacing: -0.05em;
}

.arena-statline {
    position: relative;
    z-index: 2;
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 2px;
    background: rgba(0, 0, 0, 0.16);
    clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
}

.arena-statline > div {
    min-width: 0;
    padding: 13px 16px;
}

.arena-statline > div + div {
    box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.1);
}

.arena-statline span,
.arena-statline strong {
    display: block;
    font-family: "EC Arena Display", "EC Geist", sans-serif;
}

.arena-statline span {
    color: rgba(255, 255, 255, 0.48);
    font-size: 8px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.arena-statline strong {
    margin-top: 3px;
    color: var(--arena-cyan);
    font-size: 17px;
}

.leaderboard-panel {
    isolation: isolate;
    background:
        radial-gradient(circle at 78% 0%, rgba(85, 199, 255, 0.22), transparent 32%),
        linear-gradient(140deg, #04152f, #082657 72%, #09336f);
}

.leaderboard-panel::before {
    content: "";
    position: absolute;
    z-index: 0;
    inset: 0;
    display: block;
    pointer-events: none;
    background:
        linear-gradient(90deg, rgba(85, 199, 255, 0.055) 1px, transparent 1px) 0 0 / 48px 48px,
        linear-gradient(rgba(85, 199, 255, 0.035) 1px, transparent 1px) 0 0 / 48px 48px;
    opacity: 0.8;
}

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

.leaderboard-tools {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ladder-live {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.62);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 8px;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    white-space: nowrap;
}

.ladder-live i {
    width: 6px;
    height: 6px;
    display: inline-block;
    background: var(--arena-signal);
    box-shadow: 0 0 0 4px rgba(0, 216, 160, 0.1), 0 0 12px rgba(0, 216, 160, 0.58);
    clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
    animation: arena-live-pulse 2.2s ease-out infinite;
}

.ranking-tab {
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.podium-item.is-first .podium-avatar {
    box-shadow: 0 0 0 5px rgba(85, 199, 255, 0.12), 0 0 28px rgba(85, 199, 255, 0.18);
}

.identity-strip {
    isolation: isolate;
    overflow: hidden;
}

.identity-strip::before {
    content: "";
    position: absolute;
    z-index: -1;
    inset: 0 auto 0 0;
    width: 5px;
    background: linear-gradient(var(--arena-cyan), var(--arena-blue));
}

.identity-strip::after {
    content: "PLAYER ID // READY";
    position: absolute;
    z-index: -1;
    right: 26px;
    bottom: -12px;
    color: rgba(6, 26, 58, 0.025);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 44px;
    white-space: nowrap;
}

.pseudo-control {
    padding-top: 13px;
}

.player-slot {
    position: absolute;
    top: 0;
    left: 14px;
    color: var(--arena-blue);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 7px;
    letter-spacing: 0.12em;
}

.section-code {
    display: block;
    margin-bottom: 5px;
    color: var(--arena-blue);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 8px;
    letter-spacing: 0.12em;
}

.quiz-list {
    align-items: stretch;
}

.quiz-group {
    position: relative;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.quiz-group:hover {
    transform: translateY(-4px);
    box-shadow: 0 28px 54px -35px rgba(6, 26, 58, 0.72);
}

.group-header {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    align-items: start;
}

.group-header .arena-label,
.group-header h3 {
    grid-column: 1;
}

.group-header .group-code {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    color: rgba(255, 255, 255, 0.28);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 8px;
    letter-spacing: 0.11em;
    writing-mode: vertical-rl;
}

.quiz-group .quiz-row {
    background: rgba(255, 255, 255, 0.92);
}

.quiz-group .quiz-row:hover {
    background: color-mix(in srgb, var(--arena-accent) 8%, white);
}

.quiz-group .quiz-row:hover .start-quiz {
    transform: translateX(3px) scale(1.06);
    background: var(--arena-navy);
}

.quiz-group .score-cap {
    color: var(--arena-navy);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 8px;
}

.quiz-group .leader-mini {
    padding-top: 3px;
}

.start-quiz {
    isolation: isolate;
}

.start-quiz::after {
    content: "";
    position: absolute;
    z-index: -1;
    inset: -6px;
    background: rgba(21, 94, 239, 0.1);
    clip-path: inherit;
    opacity: 0;
    transition: opacity 160ms ease;
}

.start-quiz:hover::after {
    opacity: 1;
}

.site-promo::before {
    content: "SPONSORED TRAINING // EXAMENCOMPTABLE.COM";
    position: absolute;
    z-index: -1;
    top: 10px;
    right: 28px;
    color: rgba(255, 255, 255, 0.12);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 7px;
    letter-spacing: 0.12em;
}

.welcome-dialog {
    overflow: hidden;
}

.welcome-dialog::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 4px;
    background: linear-gradient(90deg, var(--arena-blue), var(--arena-cyan), var(--arena-signal));
}

.welcome-specs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin: 20px 0;
    background: var(--arena-navy);
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.welcome-specs span {
    padding: 11px 12px;
    color: rgba(255, 255, 255, 0.56);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 8px;
    text-align: center;
    text-transform: uppercase;
}

.welcome-specs span + span {
    box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.1);
}

.welcome-specs strong {
    display: block;
    margin-bottom: 2px;
    color: var(--arena-cyan);
    font-size: 15px;
}

.quiz-topbar {
    position: relative;
    overflow: hidden;
}

.quiz-topbar::after {
    content: "MATCH LIVE // EC ARENA";
    position: absolute;
    right: 24px;
    bottom: 6px;
    color: rgba(21, 94, 239, 0.14);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 8px;
    letter-spacing: 0.12em;
}

@keyframes arena-live-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.44; }
}

@media (max-width: 900px) {
    .arena-intro {
        grid-template-columns: minmax(0, 1fr) 150px;
        gap: 24px;
    }

    .arena-rank-mark {
        min-height: 138px;
        padding-inline: 12px;
    }

    .arena-rank-mark strong {
        font-size: 21px;
    }

    .leaderboard-tools {
        justify-content: flex-end;
    }
}

@media (max-width: 640px) {
    .arena-intro {
        display: block;
    }

    .arena-rank-mark {
        display: none;
    }

    .arena-intro-main > p {
        margin-top: 18px;
        font-size: 13px;
    }

    .arena-statline {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        margin-top: 24px;
    }

    .arena-statline > div:nth-child(3) {
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
    }

    .arena-statline > div:nth-child(4) {
        box-shadow: inset 1px 1px 0 rgba(255, 255, 255, 0.1);
    }

    .leaderboard-tools {
        align-items: flex-start;
    }

    .ladder-live {
        display: none;
    }

    .identity-strip::after {
        display: none;
    }

    .section-code {
        margin-top: 1px;
    }

    .quiz-group:hover {
        transform: none;
    }

    .welcome-specs span {
        padding-inline: 6px;
        font-size: 7px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .live-dot,
    .ladder-live i {
        animation: none;
    }
}

/* Direction finale : mode clair unifié et arènes thématiques */
.site-header {
    color: var(--ink);
    background: rgba(250, 249, 244, 0.96);
    border-bottom-color: var(--line);
}

.brand-mark {
    color: var(--white);
    background: var(--forest);
    border-color: var(--forest);
}

.brand-copy small,
.season-status {
    color: var(--muted);
}

.season-status strong {
    color: var(--ink);
}

.season-separator {
    background: var(--line-strong);
}

.header-action {
    color: var(--ink-soft);
    border-color: var(--line);
}

.header-action:hover {
    color: var(--forest);
    border-color: var(--compta-deep);
    background: rgba(71, 118, 40, 0.06);
}

.quiz-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 24px;
}

.quiz-group {
    --arena-accent: var(--compta);
    min-width: 0;
    margin: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-top: 4px solid var(--arena-accent);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.48);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.quiz-group[data-quiz-category="finance"] {
    --arena-accent: var(--finance);
}

.quiz-group[data-quiz-category="fiscalite"] {
    --arena-accent: var(--fiscalite);
}

.group-header {
    display: grid;
    gap: 7px;
    margin: 0;
    padding: 18px 16px 15px;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.32);
}

.group-header::after {
    display: none;
}

.arena-label {
    width: max-content;
    padding: 4px 6px;
    border-radius: 4px;
    color: var(--ink);
    background: var(--arena-accent);
    font-size: 9px;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.group-header h3 {
    color: var(--ink);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 23px;
    font-weight: 500;
    letter-spacing: -0.03em;
    text-transform: none;
}

.quiz-group .quiz-row {
    grid-template-columns: 40px minmax(0, 1fr) 36px;
    min-height: 0;
    padding: 0 12px;
}

.quiz-group .quiz-row:first-of-type {
    border-top: 0;
}

.quiz-group .quiz-row::before {
    display: none;
}

.quiz-group .quiz-index {
    width: 31px;
    height: 23px;
    display: grid;
    place-items: center;
    align-self: start;
    margin-top: 19px;
    border: 1px solid color-mix(in srgb, var(--accent-deep) 38%, transparent);
    border-radius: 5px;
    font-family: inherit;
    font-size: 9px;
    font-weight: 900;
    letter-spacing: 0.04em;
}

.quiz-group .quiz-body {
    padding: 17px 7px 7px 4px;
}

.quiz-group .quiz-body h4 {
    font-size: 14px;
}

.quiz-group .quiz-body p {
    min-height: 34px;
    font-size: 10px;
}

.quiz-group .quiz-meta {
    grid-column: 2;
    padding: 0 4px 15px;
    border: 0;
}

.quiz-group .quiz-meta > span,
.quiz-group .quiz-meta strong {
    display: inline;
    margin: 0 6px 0 0;
    font-size: 9px;
}

.quiz-group .leader-mini {
    display: block !important;
    max-width: 190px;
    margin-top: 5px !important;
}

.quiz-group .start-quiz {
    grid-column: 3;
    grid-row: 1 / span 2;
    width: 34px;
    height: 34px;
    font-size: 16px;
}

.leaderboard-panel,
.result-ranking {
    color: var(--ink);
    border-color: #cbd4c4;
    background:
        linear-gradient(150deg, rgba(255, 255, 255, 0.7), transparent 48%),
        #e6ecdf;
    box-shadow: 0 20px 54px rgba(31, 55, 37, 0.1);
}

.leaderboard-panel::before,
.result-ranking::before {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.leaderboard-panel .panel-kicker,
.result-ranking .panel-kicker {
    color: var(--compta-deep);
}

.leaderboard-panel .icon-button,
.result-ranking .icon-button {
    color: var(--ink-soft);
    border-color: var(--line);
}

.leaderboard-panel .icon-button:hover,
.result-ranking .icon-button:hover {
    color: var(--forest);
    background: rgba(71, 118, 40, 0.08);
}

.ranking-switch {
    border-color: var(--line);
    background: rgba(18, 24, 19, 0.05);
}

.ranking-tab {
    color: var(--muted);
}

.ranking-tab.is-active {
    color: var(--white);
    background: var(--forest);
}

.ranking-select-wrap select {
    color: var(--ink);
    border-color: var(--line);
    background: var(--paper);
}

.podium-avatar {
    color: var(--ink);
    border-color: var(--line-strong);
    background: rgba(255, 255, 255, 0.62);
}

.podium-item.is-first .podium-avatar {
    color: var(--forest);
}

.podium-place,
.ranking-position {
    color: var(--muted);
}

.ranking-line,
.ranking-note {
    border-color: var(--line);
}

.ranking-player span,
.ranking-note,
.ranking-empty {
    color: var(--muted);
}

.ranking-score,
.podium-points {
    color: var(--compta-deep);
}

.quiz-screen {
    color: var(--ink);
    background:
        linear-gradient(90deg, transparent 0, transparent calc(100% - 1px), rgba(18, 24, 19, 0.045) calc(100% - 1px)) 0 0 / 64px 64px,
        #f4f3ec;
}

.quiz-topbar {
    border-bottom-color: var(--line);
}

.quiz-heading span {
    color: var(--compta-deep);
}

.timer {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.58);
}

.quiz-progress-copy,
.question-actions p {
    color: var(--muted);
}

.quiz-progress {
    background: rgba(18, 24, 19, 0.09);
}

.question-number {
    color: var(--compta-deep);
    border-color: rgba(71, 118, 40, 0.42);
}

.answer-option {
    color: var(--ink-soft);
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.56);
}

.answer-option:hover {
    color: var(--ink);
    border-color: rgba(71, 118, 40, 0.48);
    background: var(--paper);
}

.answer-option.is-selected {
    color: var(--ink);
    border-color: var(--compta-deep);
    background: rgba(154, 203, 98, 0.16);
    box-shadow: inset 3px 0 0 var(--compta-deep);
}

.answer-key,
.answer-check,
kbd {
    color: var(--muted);
    border-color: var(--line-strong);
}

.answer-option.is-selected .answer-key {
    color: var(--white);
    border-color: var(--compta-deep);
    background: var(--compta-deep);
}

.answer-option.is-selected .answer-check {
    border-color: var(--compta-deep);
}

.timer.is-urgent {
    color: var(--fiscalite-deep);
    border-color: rgba(168, 63, 44, 0.5);
    background: rgba(238, 118, 89, 0.1);
}

.welcome-dialog {
    width: min(92vw, 760px);
    max-height: min(92vh, 760px);
    margin: auto;
    padding: clamp(26px, 5vw, 52px);
    overflow: auto;
    border: 1px solid #cbd4c4;
    border-radius: 16px;
    color: var(--ink);
    background:
        linear-gradient(145deg, rgba(154, 203, 98, 0.12), transparent 36%),
        var(--paper);
    box-shadow: 0 34px 110px rgba(12, 28, 17, 0.24);
}

.welcome-dialog::backdrop {
    background: rgba(34, 45, 36, 0.42);
    backdrop-filter: blur(8px);
}

.welcome-badge {
    width: max-content;
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 7px 9px;
    border-radius: 6px;
    color: var(--white);
    background: var(--forest);
    font-size: 11px;
    font-weight: 900;
}

.welcome-badge span {
    color: var(--compta);
    letter-spacing: 0.12em;
}

.welcome-kicker {
    display: block;
    margin-top: 28px;
    color: var(--compta-deep);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.welcome-dialog h2 {
    margin: 9px 0 16px;
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(37px, 6vw, 58px);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -0.045em;
}

.welcome-dialog h2 em {
    color: var(--compta-deep);
    font-weight: 500;
}

.welcome-dialog > p {
    max-width: 620px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.65;
}

.welcome-dialog a {
    color: var(--ink);
    font-weight: 800;
    text-underline-offset: 3px;
}

.welcome-dialog form {
    position: relative;
    margin-top: 30px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
}

.welcome-dialog label {
    display: block;
    margin-bottom: 9px;
    color: var(--ink-soft);
    font-size: 11px;
    font-weight: 800;
}

.welcome-field {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
}

.welcome-field input {
    min-width: 0;
    height: 52px;
    padding: 0 14px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    color: var(--ink);
    background: #fff;
}

.welcome-field input[aria-invalid="true"] {
    border-color: var(--danger);
}

.welcome-field button {
    min-height: 52px;
    padding: 0 18px;
    border: 1px solid var(--forest);
    border-radius: 8px;
    color: var(--white);
    background: var(--forest);
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
}

.welcome-field button span {
    margin-left: 8px;
    color: var(--compta);
}

.welcome-dialog .field-message {
    position: static;
    min-height: 17px;
    margin: 6px 0 0;
}

.welcome-note {
    margin-bottom: 0;
    padding-left: 13px;
    border-left: 3px solid var(--finance);
    font-size: 10px !important;
}

@media (max-width: 1180px) {
    .quiz-list {
        grid-template-columns: 1fr;
    }

    .quiz-group .quiz-body p {
        min-height: 0;
    }
}

@media (max-width: 640px) {
    .site-header .brand-copy strong {
        color: var(--ink);
    }

    .quiz-list {
        gap: 12px;
    }

    .quiz-group .quiz-row {
        grid-template-columns: 40px minmax(0, 1fr) 36px;
    }

    .quiz-group .quiz-index {
        padding-top: 0;
    }

    .quiz-topbar .quit-button::first-letter {
        color: var(--ink);
    }

    .welcome-dialog {
        width: calc(100vw - 18px);
        max-height: calc(100vh - 18px);
        padding: 24px 18px;
    }

    .welcome-field {
        grid-template-columns: 1fr;
    }

    .welcome-field button {
        width: 100%;
    }
}

/* Identité ExamenComptable.com — palette officielle claire */
@font-face {
    font-family: "EC Geist";
    src: url("geist-sans.woff2") format("woff2");
    font-style: normal;
    font-weight: 100 900;
    font-display: swap;
}

:root {
    --ink: #0f2748;
    --ink-soft: #334b6b;
    --canvas: #f7f9fc;
    --paper: #ffffff;
    --paper-muted: #f2f6fa;
    --line: #dce5f0;
    --line-strong: #c8d5e4;
    --forest: #0f2748;
    --forest-2: #071426;
    --white: #ffffff;
    --muted: #607089;
    --compta: #2563eb;
    --compta-deep: #174ea6;
    --finance: #0f8a65;
    --finance-deep: #0a6a4f;
    --fiscalite: #b86b20;
    --fiscalite-deep: #8c4c12;
    --danger: #b93b46;
    --success: #0f8a65;
    --shadow: 0 18px 44px -28px rgba(15, 39, 72, 0.18);
    font-family: "EC Geist", Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html,
body {
    background-color: var(--canvas);
}

body {
    background:
        linear-gradient(90deg, transparent 0, transparent calc(100% - 1px), rgba(37, 99, 235, 0.035) calc(100% - 1px)) 0 0 / 72px 72px,
        var(--canvas);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
dialog:focus-visible {
    outline-color: var(--compta);
}

.site-header {
    color: var(--ink);
    background: rgba(255, 255, 255, 0.94);
    border-bottom-color: rgba(203, 215, 230, 0.82);
    box-shadow: 0 1px 2px rgba(15, 39, 72, 0.025);
}

.brand {
    gap: 10px;
}

.brand-logo {
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    object-fit: contain;
}

.brand-copy strong {
    color: var(--ink);
    font-size: 14px;
    font-weight: 850;
    letter-spacing: -0.015em;
}

.brand-copy small {
    margin-top: 4px;
    color: var(--compta-deep);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.live-dot {
    background: var(--compta);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.header-action {
    color: var(--compta-deep);
    border-color: var(--line-strong);
    background: var(--paper);
    font-weight: 750;
}

.header-action:hover {
    color: var(--white);
    border-color: var(--compta);
    background: var(--compta);
}

.eyebrow span {
    color: var(--compta-deep);
    border-color: #d6e2fb;
    background: #eef4ff;
}

.arena-intro h1,
.identity-copy h2,
.section-heading h2,
.review-heading h2,
.group-header h3,
.quiz-heading h1,
.question-panel h2,
.result-summary h1,
.welcome-dialog h2 {
    font-family: "EC Geist", Inter, ui-sans-serif, sans-serif;
}

.quiz-heading h1 {
    color: var(--ink);
    font-weight: 750;
    letter-spacing: -0.025em;
}

.question-panel h2 {
    color: var(--forest-2);
    font-weight: 720;
    letter-spacing: -0.04em;
}

.arena-intro h1,
.result-summary h1 {
    color: var(--forest-2);
    font-weight: 800;
    letter-spacing: -0.055em;
}

.arena-intro h1 em,
.welcome-dialog h2 em {
    color: var(--compta);
    font-style: normal;
    font-weight: 800;
}

.step-index {
    background: var(--compta);
}

.pseudo-control input,
.welcome-field input {
    border-color: var(--line-strong);
    background: var(--paper);
    box-shadow: 0 1px 2px rgba(15, 39, 72, 0.025);
}

.pseudo-control input:focus,
.welcome-field input:focus {
    border-color: var(--compta);
    background: var(--paper);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.09);
}

.pseudo-ready {
    color: var(--compta);
}

.category-tab.is-active {
    color: var(--white);
    border-color: var(--compta);
    background: var(--compta);
}

.category-tab:hover:not(.is-active) {
    color: var(--compta-deep);
    border-color: var(--line-strong);
    background: #eef4ff;
}

.quiz-group {
    border-color: var(--line);
    border-top-color: var(--arena-accent);
    background: var(--paper);
    box-shadow: 0 6px 18px -14px rgba(15, 39, 72, 0.18);
}

.group-header {
    background: var(--paper-muted);
    border-bottom-color: var(--line);
}

.arena-label {
    color: var(--white);
    background: var(--accent-deep, var(--arena-accent));
}

.quiz-group .quiz-index {
    color: var(--accent-deep);
    background: color-mix(in srgb, var(--arena-accent) 10%, white);
}

.quiz-row:hover {
    background: color-mix(in srgb, var(--arena-accent) 5%, white);
}

.start-quiz,
.primary-button,
.welcome-field button {
    color: var(--white);
    border-color: var(--compta);
    background: var(--compta);
}

.start-quiz:hover,
.primary-button:hover:not(:disabled),
.welcome-field button:hover {
    color: var(--white);
    border-color: var(--compta-deep);
    background: var(--compta-deep);
}

.leaderboard-panel,
.result-ranking {
    color: var(--ink);
    border-color: var(--line);
    border-top: 4px solid var(--compta);
    background: var(--paper);
    box-shadow: 0 18px 44px -28px rgba(15, 39, 72, 0.24);
}

.leaderboard-panel .panel-kicker,
.result-ranking .panel-kicker,
.ranking-score,
.podium-points {
    color: var(--compta-deep);
}

.ranking-switch {
    background: var(--paper-muted);
}

.ranking-tab.is-active {
    color: var(--white);
    background: var(--compta);
}

.podium-avatar {
    background: var(--paper-muted);
}

.podium-item.is-first .podium-avatar {
    color: var(--white);
    border-color: var(--compta);
    background: var(--compta);
}

.quiz-screen {
    color: var(--ink);
    background:
        linear-gradient(90deg, transparent 0, transparent calc(100% - 1px), rgba(37, 99, 235, 0.03) calc(100% - 1px)) 0 0 / 72px 72px,
        var(--canvas);
}

.quiz-heading span,
.question-number {
    color: var(--compta-deep);
}

.question-number {
    border-color: rgba(37, 99, 235, 0.32);
    background: #eef4ff;
}

.timer,
.answer-option {
    background: var(--paper);
}

.answer-option:hover {
    border-color: rgba(37, 99, 235, 0.45);
    background: #f8faff;
}

.answer-option.is-selected {
    border-color: var(--compta);
    background: #eef4ff;
    box-shadow: inset 3px 0 0 var(--compta);
}

.answer-option.is-selected .answer-key {
    border-color: var(--compta);
    background: var(--compta);
}

.result-rank-badge {
    color: var(--white);
    background: var(--compta);
}

.welcome-dialog {
    border-color: var(--line-strong);
    background:
        linear-gradient(145deg, rgba(37, 99, 235, 0.08), transparent 38%),
        var(--paper);
    box-shadow: 0 28px 80px -28px rgba(15, 39, 72, 0.34);
}

.welcome-dialog::backdrop {
    background: rgba(15, 39, 72, 0.38);
}

.welcome-brand {
    width: max-content;
    display: flex;
    align-items: center;
    gap: 10px;
}

.welcome-brand img {
    width: 46px;
    height: 46px;
    object-fit: contain;
}

.welcome-brand > span {
    display: grid;
    line-height: 1.05;
}

.welcome-brand strong {
    color: var(--ink);
    font-size: 13px;
    font-weight: 850;
}

.welcome-brand small {
    margin-top: 5px;
    color: var(--compta-deep);
    font-size: 9px;
    font-weight: 850;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.welcome-kicker,
.welcome-dialog a {
    color: var(--compta-deep);
}

.welcome-field button span {
    color: var(--white);
}

.welcome-note {
    border-left-color: var(--compta);
}

.site-footer {
    border-top-color: var(--line);
}

.site-footer > div {
    gap: 10px;
}

.footer-logo {
    width: 34px;
    height: 34px;
    object-fit: contain;
}

.site-footer > div > span {
    display: grid;
    gap: 3px;
}

.site-footer strong {
    color: var(--ink);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.site-footer small {
    color: var(--muted);
    font-size: 10px;
}

@media (max-width: 640px) {
    .brand-logo {
        width: 38px;
        height: 38px;
    }

    .brand-copy strong {
        font-size: 12px;
    }

    .brand-copy small {
        display: block;
    }

    .site-footer > div {
        align-items: center;
    }
}

/* EC Arena — direction compétitive e-sport comptable */
@font-face {
    font-family: "EC Arena Display";
    src: url("oxanium-700.ttf") format("truetype");
    font-style: normal;
    font-weight: 700;
    font-display: swap;
}

:root {
    --arena-navy: #061a3a;
    --arena-navy-2: #0a2858;
    --arena-blue: #155eef;
    --arena-electric: #39a9ff;
    --arena-ice: #ddecff;
    --arena-glow: rgba(21, 94, 239, 0.2);
    --canvas: #eef4fd;
    --paper-muted: #e7effb;
    --forest: var(--arena-navy);
    --forest-2: #031229;
    --compta: var(--arena-blue);
    --compta-deep: #0e46bd;
}

body {
    background:
        linear-gradient(120deg, transparent 0 73%, rgba(21, 94, 239, 0.035) 73% 73.5%, transparent 73.5% 100%),
        linear-gradient(90deg, transparent 0, transparent calc(100% - 1px), rgba(21, 94, 239, 0.035) calc(100% - 1px)) 0 0 / 72px 72px,
        var(--canvas);
}

.site-header {
    border: 0;
    box-shadow: 0 10px 32px -28px rgba(6, 26, 58, 0.65);
}

.site-header::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 3px;
    background: linear-gradient(90deg, var(--arena-blue), var(--arena-electric) 42%, transparent 76%);
}

.brand-copy strong,
.brand-copy small,
.season-status,
.header-action,
.eyebrow,
.step-index,
.category-tab,
.arena-label,
.quiz-index,
.quiz-body h4,
.quiz-meta strong,
.start-quiz,
.panel-kicker,
.leaderboard-panel h2,
.result-ranking h2,
.ranking-tab,
.podium-place,
.podium-name,
.ranking-position,
.ranking-score,
.quiz-heading,
.timer,
.question-number,
.answer-key,
.primary-button,
.secondary-button,
.result-rank-badge,
.result-scoreline,
.welcome-brand,
.welcome-kicker,
.welcome-field button {
    font-family: "EC Arena Display", "EC Geist", sans-serif;
}

.arena-intro {
    position: relative;
    max-width: none;
    isolation: isolate;
    overflow: hidden;
    margin-bottom: clamp(28px, 4vw, 48px);
    padding: clamp(30px, 5vw, 54px);
    color: var(--white);
    background:
        radial-gradient(circle at 88% 16%, rgba(57, 169, 255, 0.25), transparent 26%),
        linear-gradient(125deg, var(--arena-navy) 0%, var(--arena-navy-2) 68%, #0b3b82 100%);
    clip-path: polygon(0 0, 100% 0, calc(100% - 28px) 100%, 0 100%);
    box-shadow: 0 28px 70px -44px rgba(6, 26, 58, 0.95);
}

.arena-intro::before,
.arena-intro::after {
    content: "";
    position: absolute;
    z-index: -1;
    transform: skewX(-24deg);
}

.arena-intro::before {
    width: 160px;
    height: 220%;
    top: -58%;
    right: 14%;
    background: rgba(21, 94, 239, 0.18);
}

.arena-intro::after {
    width: 8px;
    height: 160%;
    top: -28%;
    right: 10%;
    background: var(--arena-electric);
    opacity: 0.72;
}

.arena-intro h1,
.result-summary h1,
.welcome-dialog h2,
.question-panel h2 {
    font-family: "EC Arena Display", "EC Geist", sans-serif;
}

.arena-intro h1 {
    max-width: 800px;
    color: var(--white);
    font-size: clamp(42px, 5.3vw, 74px);
    line-height: 0.93;
    letter-spacing: -0.055em;
    text-transform: uppercase;
}

.arena-intro h1 em {
    color: var(--arena-electric);
}

.arena-intro > p {
    position: relative;
    z-index: 1;
    color: rgba(255, 255, 255, 0.76);
}

.eyebrow span {
    color: #b9ddff;
    border: 0;
    border-radius: 0;
    background: rgba(255, 255, 255, 0.08);
    clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 7px 100%, 0 calc(100% - 7px));
}

.identity-strip {
    padding: 24px;
    border: 0;
    border-radius: 10px;
    background: var(--paper);
    box-shadow: 0 18px 42px -34px rgba(6, 26, 58, 0.75);
}

.identity-copy h2,
.section-heading h2,
.review-heading h2 {
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    color: var(--arena-navy);
    font-weight: 700;
    letter-spacing: -0.04em;
}

.step-index {
    border-radius: 0;
    background: linear-gradient(135deg, var(--arena-blue), #0b46c9);
    clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
    box-shadow: 0 8px 18px -12px var(--arena-blue);
}

.pseudo-control input,
.welcome-field input {
    border: 0;
    background: #f5f8fd;
    box-shadow: inset 0 0 0 1px transparent, 0 10px 24px -22px rgba(6, 26, 58, 0.75);
}

.pseudo-control input:focus,
.welcome-field input:focus {
    box-shadow: inset 0 0 0 2px var(--arena-blue), 0 0 0 5px rgba(21, 94, 239, 0.1);
}

.pseudo-ready {
    color: var(--white);
    border-radius: 0;
    background: var(--arena-navy);
    clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 7px 100%, 0 calc(100% - 7px));
}

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

.scoring-legend {
    padding: 9px 12px;
    border-radius: 4px;
    color: #c9d8ee;
    background: var(--arena-navy);
}

.legend-correct {
    background: var(--arena-electric);
}

.category-tabs {
    gap: 7px;
    border: 0;
}

.category-tab {
    border: 0;
    border-radius: 0;
    background: rgba(255, 255, 255, 0.72);
    clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 7px 100%, 0 calc(100% - 7px));
}

.category-tab:hover:not(.is-active) {
    border: 0;
    background: var(--arena-ice);
}

.category-tab.is-active {
    border: 0;
    background: linear-gradient(135deg, var(--arena-blue), #0b49cf);
    box-shadow: 0 10px 22px -16px var(--arena-blue);
}

.quiz-group {
    border: 0;
    border-radius: 10px;
    background: var(--paper);
    box-shadow: 0 20px 46px -36px rgba(6, 26, 58, 0.72);
}

.group-header {
    position: relative;
    border: 0;
    padding: 20px 18px 18px;
    background:
        linear-gradient(120deg, rgba(21, 94, 239, 0.22), transparent 56%),
        var(--arena-navy);
}

.group-header::before {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 4px;
    background: var(--arena-accent);
}

.group-header h3 {
    color: var(--white);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.arena-label {
    border-radius: 0;
    color: var(--arena-navy);
    background: var(--arena-accent);
    clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.quiz-group .quiz-row,
.quiz-group .quiz-row:first-of-type {
    border: 0;
}

.quiz-group .quiz-row + .quiz-row {
    box-shadow: inset 0 1px 0 rgba(15, 39, 72, 0.07);
}

.quiz-group .quiz-row:hover {
    background: color-mix(in srgb, var(--arena-accent) 7%, white);
}

.quiz-group .quiz-index {
    border: 0;
    border-radius: 0;
    color: var(--white);
    background: var(--accent-deep);
    clip-path: polygon(0 0, calc(100% - 5px) 0, 100% 5px, 100% 100%, 5px 100%, 0 calc(100% - 5px));
}

.quiz-body h4 {
    color: var(--arena-navy);
    font-weight: 700;
}

.quiz-meta {
    border: 0;
}

.start-quiz {
    border: 0;
    border-radius: 0;
    color: var(--white);
    background: var(--arena-blue);
    clip-path: polygon(50% 0, 94% 24%, 94% 76%, 50% 100%, 6% 76%, 6% 24%);
    box-shadow: 0 10px 24px -15px var(--arena-blue);
}

.start-quiz:hover {
    color: var(--white);
    border: 0;
    background: var(--arena-navy);
    transform: translateX(3px) scale(1.04);
}

.leaderboard-panel,
.result-ranking {
    overflow: hidden;
    border: 0;
    border-radius: 10px;
    color: var(--white);
    background:
        radial-gradient(circle at 85% 5%, rgba(57, 169, 255, 0.22), transparent 30%),
        linear-gradient(145deg, var(--arena-navy), #0a2a60);
    box-shadow: 0 30px 70px -44px rgba(6, 26, 58, 0.95);
}

.leaderboard-panel::after,
.result-ranking::after {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 4px;
    background: linear-gradient(90deg, var(--arena-electric), var(--arena-blue));
}

.leaderboard-panel::before,
.result-ranking::before {
    display: none;
}

.leaderboard-panel h2,
.result-ranking h2,
.leaderboard-panel .panel-kicker,
.result-ranking .panel-kicker,
.leaderboard-panel .ranking-player strong,
.result-ranking .ranking-player strong {
    color: var(--white);
}

.leaderboard-panel h2,
.result-ranking h2 {
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-weight: 700;
}

.leaderboard-panel .panel-kicker,
.result-ranking .panel-kicker {
    color: #91cfff;
}

.leaderboard-panel .icon-button,
.result-ranking .icon-button {
    border: 0;
    color: var(--white);
    background: rgba(255, 255, 255, 0.08);
}

.ranking-switch {
    border: 0;
    background: rgba(0, 0, 0, 0.18);
}

.ranking-tab {
    color: rgba(255, 255, 255, 0.58);
}

.ranking-tab.is-active {
    color: var(--white);
    background: var(--arena-blue);
}

.podium-avatar {
    border: 0;
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.podium-item.is-first .podium-avatar {
    color: var(--arena-navy);
    border: 0;
    background: var(--arena-electric);
    box-shadow: 0 0 0 5px rgba(57, 169, 255, 0.12);
}

.podium-place,
.ranking-position,
.ranking-player span,
.ranking-note,
.ranking-empty {
    color: rgba(255, 255, 255, 0.48);
}

.podium-points,
.ranking-score {
    color: #78c8ff;
}

.ranking-line,
.ranking-note {
    border-color: rgba(255, 255, 255, 0.1);
}

.quiz-screen {
    background:
        linear-gradient(120deg, transparent 0 72%, rgba(21, 94, 239, 0.035) 72% 72.5%, transparent 72.5%),
        var(--canvas);
}

.quiz-topbar {
    border: 0;
    box-shadow: 0 18px 38px -38px rgba(6, 26, 58, 0.9);
}

.quiz-heading h1,
.question-panel h2 {
    font-family: "EC Arena Display", "EC Geist", sans-serif;
}

.quiz-heading h1 {
    color: var(--arena-navy);
}

.timer {
    border: 0;
    color: var(--white);
    background: var(--arena-navy);
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.question-number {
    border: 0;
    border-radius: 0;
    color: var(--white);
    background: var(--arena-blue);
    clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.answer-option {
    border: 0;
    border-radius: 7px;
    background: var(--paper);
    box-shadow: 0 14px 30px -28px rgba(6, 26, 58, 0.72);
}

.answer-option:hover {
    border: 0;
    background: var(--arena-ice);
    box-shadow: 0 16px 32px -24px rgba(21, 94, 239, 0.45);
}

.answer-option.is-selected {
    border: 0;
    background: var(--arena-ice);
    box-shadow: inset 5px 0 0 var(--arena-blue), 0 16px 32px -24px rgba(21, 94, 239, 0.42);
}

.answer-key {
    border: 0;
    background: var(--paper-muted);
}

.answer-option.is-selected .answer-key {
    border: 0;
    color: var(--white);
    background: var(--arena-blue);
}

.primary-button,
.welcome-field button {
    border: 0;
    border-radius: 0;
    background: linear-gradient(135deg, var(--arena-blue), #0b49cf);
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.secondary-button {
    border: 0;
    background: var(--paper-muted);
}

.result-rank-badge {
    border-radius: 0;
    background: var(--arena-blue);
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.result-rank-badge.is-retained {
    width: auto;
    min-width: 118px;
    padding-inline: 14px;
    font-size: 12px;
    text-transform: uppercase;
}

.welcome-dialog,
.info-dialog {
    border: 0;
}

.welcome-dialog {
    background:
        linear-gradient(145deg, rgba(21, 94, 239, 0.1), transparent 38%),
        var(--paper);
}

.welcome-brand small,
.welcome-kicker,
.welcome-dialog a {
    color: var(--arena-blue);
}

.site-footer {
    border-top: 0;
    box-shadow: inset 0 1px 0 rgba(15, 39, 72, 0.08);
}

@media (max-width: 640px) {
    .arena-intro {
        padding: 28px 22px 34px;
        clip-path: polygon(0 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
    }

    .arena-intro h1 {
        font-size: clamp(38px, 11vw, 58px);
    }

    .identity-strip {
        padding: 20px 16px;
    }

    .scoring-legend {
        width: 100%;
        justify-content: flex-start;
    }
}

/* EC Arena 1.3 — composition centrée, niveaux et promotion */
:root {
    --container: 1180px;
}

.app-shell {
    display: block;
    width: min(100% - 40px, var(--container));
    padding-top: clamp(34px, 5vw, 68px);
}

.arena-column {
    width: 100%;
    margin-inline: auto;
}

.arena-intro {
    margin-bottom: 24px;
}

.leaderboard-panel {
    position: relative;
    top: auto;
    display: grid;
    grid-template-columns: 220px 250px minmax(360px, 1fr);
    grid-template-rows: auto auto;
    gap: 10px 28px;
    margin: 0 0 30px;
    padding: 22px 24px 18px;
}

.leaderboard-panel .leaderboard-topline {
    grid-column: 1;
    grid-row: 1 / span 2;
}

.leaderboard-panel .ranking-switch {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    margin: 0;
}

.leaderboard-panel .ranking-select-wrap {
    grid-column: 2;
    grid-row: 2;
    align-self: start;
    margin: 0;
}

.leaderboard-panel .podium {
    grid-column: 3;
    grid-row: 1 / span 2;
    min-height: 104px;
    margin: 0;
}

.leaderboard-panel .ranking-list {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
}

.leaderboard-panel .ranking-empty {
    grid-column: 1 / -1;
}

.leaderboard-panel .ranking-note {
    grid-column: 1 / -1;
    margin: 8px 0 0;
    padding-top: 12px;
}

.quiz-group .quiz-row {
    grid-template-columns: 68px minmax(0, 1fr) 36px;
}

.quiz-group .quiz-index {
    width: 60px;
    padding-inline: 5px;
    font-size: 8px;
    line-height: 1;
    white-space: nowrap;
}

.quiz-group .quiz-meta {
    grid-column: 2;
}

.site-promo {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
    margin-top: 34px;
    padding: 28px 30px;
    color: var(--white);
    background:
        radial-gradient(circle at 78% 0%, rgba(57, 169, 255, 0.3), transparent 34%),
        linear-gradient(120deg, #061a3a 0%, #0a2858 65%, #0b3b82 100%);
    clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
    box-shadow: 0 28px 64px -42px rgba(6, 26, 58, 0.95);
}

.site-promo::after {
    content: "COMPTA QUEST";
    position: absolute;
    z-index: -1;
    right: 22%;
    bottom: -15px;
    color: rgba(255, 255, 255, 0.035);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: clamp(48px, 8vw, 96px);
    font-weight: 700;
    white-space: nowrap;
}

.site-promo-brand {
    position: relative;
    width: 74px;
    height: 74px;
    display: grid;
    place-items: center;
    background: var(--white);
    clip-path: polygon(50% 0, 94% 24%, 94% 76%, 50% 100%, 6% 76%, 6% 24%);
}

.site-promo-brand img {
    width: 58px;
    height: 58px;
    object-fit: contain;
}

.site-promo-brand span {
    position: absolute;
    inset: auto -5px -4px auto;
    padding: 3px 5px;
    color: var(--arena-navy);
    background: var(--arena-electric);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 8px;
}

.site-promo-kicker {
    color: #91cfff;
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.site-promo-copy h2 {
    margin: 6px 0 5px;
    color: var(--white);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: clamp(23px, 3vw, 34px);
    line-height: 1;
    letter-spacing: -0.04em;
}

.site-promo-copy h2 em {
    color: var(--arena-electric);
    font-style: normal;
}

.site-promo-copy p {
    max-width: 650px;
    margin: 0;
    color: rgba(255, 255, 255, 0.68);
    font-size: 13px;
    line-height: 1.55;
}

.site-promo-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 12px 16px;
    color: var(--arena-navy);
    background: var(--arena-electric);
    font-family: "EC Arena Display", "EC Geist", sans-serif;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.25;
    text-align: center;
    text-decoration: none;
    clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
    transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.site-promo-action:hover {
    color: var(--arena-navy);
    background: var(--white);
    transform: translateY(-2px);
}

@media (max-width: 900px) {
    .leaderboard-panel {
        grid-template-columns: minmax(180px, 0.8fr) minmax(220px, 1fr);
    }

    .leaderboard-panel .leaderboard-topline {
        grid-column: 1;
    }

    .leaderboard-panel .ranking-switch,
    .leaderboard-panel .ranking-select-wrap {
        grid-column: 2;
    }

    .leaderboard-panel .podium {
        grid-column: 1 / -1;
        grid-row: auto;
        width: min(100%, 520px);
        margin: 8px auto 0;
    }

    .site-promo {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .site-promo-action {
        grid-column: 2;
        justify-self: start;
    }
}

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

    .leaderboard-panel {
        display: block;
        padding: 20px 18px 16px;
    }

    .leaderboard-panel .ranking-switch {
        margin-top: 18px;
    }

    .leaderboard-panel .ranking-select-wrap {
        margin-top: 9px;
    }

    .leaderboard-panel .podium {
        margin-top: 18px;
    }

    .leaderboard-panel .ranking-list {
        display: block;
    }

    .quiz-group .quiz-row {
        grid-template-columns: 64px minmax(0, 1fr) 36px;
    }

    .quiz-group .quiz-index {
        width: 56px;
    }

    .site-promo {
        grid-template-columns: 1fr;
        gap: 18px;
        padding: 26px 22px;
    }

    .site-promo-brand {
        width: 66px;
        height: 66px;
    }

    .site-promo-action {
        grid-column: 1;
        justify-self: stretch;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 1.4 final cascade guards */
.leaderboard-panel {
    grid-template-columns: 250px 250px minmax(360px, 1fr);
}

.leaderboard-panel::before {
    display: block;
    background:
        linear-gradient(90deg, rgba(85, 199, 255, 0.055) 1px, transparent 1px) 0 0 / 48px 48px,
        linear-gradient(rgba(85, 199, 255, 0.035) 1px, transparent 1px) 0 0 / 48px 48px;
    opacity: 0.8;
}

.leaderboard-panel .leaderboard-topline {
    display: block;
}

.leaderboard-panel h2 {
    white-space: nowrap;
}

.leaderboard-tools {
    justify-content: flex-start;
    margin-top: 12px;
}

.quiz-group .score-cap::before {
    content: "·";
    margin-right: 6px;
    color: var(--muted);
}

@media (max-width: 900px) {
    .leaderboard-panel {
        grid-template-columns: minmax(180px, 0.8fr) minmax(220px, 1fr);
    }
}

@media (max-width: 640px) {
    .leaderboard-panel {
        display: block;
    }

    .leaderboard-panel h2 {
        white-space: normal;
    }
}