@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --bg: #07170f;
    --card: rgba(255, 255, 255, 0.06);
    --border: rgba(255, 255, 255, 0.08);
    --text: #eef7ed;
    --muted: #a8bda6;
    --accent: #78c35f;
    --accent-strong: #4d8d38;
    --radius: 24px;
    --shadow: 0 28px 70px rgba(5, 18, 10, 0.24);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    min-height: 100vh;
    background: linear-gradient(180deg, #081811 0%, #0d2316 100%);
    color: var(--text);
}

img {
    max-width: 100%;
    display: block;
}

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

.container {
    width: min(1080px, calc(100% - 2rem));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 15;
    background: rgba(8, 23, 13, 0.94);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
}

.brand {
    font-weight: 800;
    letter-spacing: 0.08em;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.main-nav a {
    padding: 0.55rem 0.85rem;
    border-radius: 999px;
    transition: background 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
    background: rgba(255, 255, 255, 0.05);
}

.quiz-page {
    padding: 3rem 0 1.5rem;
}

.quiz-hero {
    padding-bottom: 2rem;
}

.quiz-hero-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    align-items: center;
}

.section-label {
    display: inline-block;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 700;
    margin-bottom: 0.8rem;
}

.quiz-hero h1 {
    font-size: clamp(2.4rem, 4vw, 3.6rem);
    margin-bottom: 1rem;
}

.quiz-hero p {
    color: var(--muted);
    max-width: 680px;
}

.quiz-stats {
    display: grid;
    gap: 1rem;
}

.quiz-stats div {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 1.25rem 1.4rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.quiz-stats strong {
    display: block;
    font-size: 2rem;
    margin-bottom: 0.4rem;
}

.quiz-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    border-radius: 32px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.quiz-content {
    display: grid;
    gap: 1.5rem;
    padding: 2rem;
}

.quiz-progress {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    height: 14px;
}

.progress-step {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #78c35f, #b5d89a);
    transition: width 0.4s ease;
}

.quiz-question {
    display: grid;
    gap: 0.8rem;
}

.spnQtd {
    text-align: right;
    color: var(--muted);
    font-weight: 600;
}

.question {
    font-size: 1.5rem;
}

.answers {
    display: grid;
    gap: 1rem;
}

button.answer {
    width: 100%;
    background: rgba(118, 193, 97, 0.15);
    border: 1px solid rgba(118, 193, 97, 0.35);
    color: var(--text);
    padding: 1rem 1.1rem;
    border-radius: 20px;
    text-align: left;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease;
}

button.answer:hover,
button.answer:focus-visible {
    background: rgba(118, 193, 97, 0.25);
    transform: translateY(-1px);
}

button.answer.correct {
    background: #2ecc71;
    color: #07230f;
    border-color: #27ae60;
}

button.answer.wrong {
    background: #e74c3c;
    color: white;
    border-color: #c0392b;
}

button.answer.disable {
    pointer-events: none;
    opacity: 0.7;
}

.explanation-card {
    display: grid;
    gap: 1rem;
    padding: 1.5rem;
    border-radius: 24px;
    border: 1px solid rgba(120, 195, 95, 0.25);
    background: rgba(23, 45, 27, 0.96);
    box-shadow: 0 22px 50px rgba(5, 15, 8, 0.18);
    animation: fadeSlideIn 0.35s ease both;
}

.explanation-card.hidden {
    display: none;
}

.explanation-card.correct-card {
    border-color: rgba(92, 204, 115, 0.45);
    background: rgba(43, 92, 55, 0.92);
}

.explanation-card.wrong-card {
    border-color: rgba(230, 76, 60, 0.45);
    background: rgba(85, 35, 36, 0.94);
}

.explanation-body {
    display: grid;
    gap: 0.75rem;
}

.explanation-status {
    font-weight: 700;
    letter-spacing: 0.02em;
}

.explanation-message {
    line-height: 1.75;
    color: #eef7ed;
}

.explanation-curiosity {
    color: var(--muted);
    font-size: 0.95rem;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    visibility: hidden;
    transition: opacity 1s ease, transform 1s ease;
    will-change: opacity, transform;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
        visibility: visible !important;
    }
}

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

.quiz-finish {
    display: none;
    padding: 2rem;
    background: rgba(8, 23, 13, 0.9);
    border-top: 1px solid var(--border);
}

.finish-card {
    display: grid;
    gap: 1rem;
    text-align: center;
}

.finish-text {
    font-size: 1.8rem;
    font-weight: 700;
}

.finish-detail {
    color: var(--muted);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.95rem 1.6rem;
    border: none;
    cursor: pointer;
    transition: transform 0.25s ease;
}

.button-primary {
    background: linear-gradient(135deg, #78c35f, #b7d99b);
    color: #07230f;
}

.button-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: var(--text);
}

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

.site-footer {
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.footer-content p {
    color: var(--muted);
}

@media (max-width: 900px) {
    .quiz-hero-grid,
    .quiz-stats,
    .footer-content {
        grid-template-columns: 1fr;
        display: grid;
    }

    .quiz-stats {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 620px) {
    .quiz-hero-grid,
    .quiz-stats {
        gap: 1rem;
    }

    .quiz-card {
        border-radius: 22px;
    }
}


/* ── Acessibilidade, tema claro e brilho dos cards ── */
.a11y-panel {
    position: fixed;
    right: 1.25rem;
    bottom: 5.25rem;
    z-index: 300;
    width: min(270px, calc(100vw - 2rem));
    padding: 1.15rem;
    border-radius: 24px;
    background: rgba(8, 28, 15, 0.96);
    border: 1px solid rgba(118, 193, 97, 0.45);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34), 0 0 28px rgba(118, 193, 97, 0.12);
    backdrop-filter: blur(18px);
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px) scale(.96);
    transition: opacity .24s ease, transform .24s ease;
}
.a11y-panel.open { opacity: 1; pointer-events: auto; transform: translateY(0) scale(1); }
.a11y-panel-header, .a11y-row, .a11y-toggle-btn { display: flex; align-items: center; }
.a11y-panel-header { justify-content: space-between; margin-bottom: 1rem; }
.a11y-panel-title, .a11y-group-label { color: var(--accent); text-transform: uppercase; letter-spacing: .12em; font-weight: 800; }
.a11y-panel-title { font-size: .9rem; }
.a11y-group { margin-top: .85rem; }
.a11y-group-label { margin-bottom: .5rem; font-size: .72rem; color: var(--muted); }
.a11y-row { gap: .45rem; }
.a11y-btn, .a11y-toggle-btn, .a11y-close {
    border: 1px solid rgba(255,255,255,.12);
    color: var(--text);
    background: rgba(255,255,255,.06);
    cursor: pointer;
    transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.a11y-btn { flex: 1; min-height: 42px; border-radius: 12px; font-weight: 800; }
.a11y-btn--lg { font-size: 1.15rem; }
.a11y-toggle-btn { width: 100%; justify-content: flex-start; gap: .65rem; min-height: 44px; margin-bottom: .45rem; padding: .65rem .8rem; border-radius: 14px; font-weight: 700; }
.a11y-close { width: 30px; height: 30px; border-radius: 10px; }
.a11y-btn:hover, .a11y-toggle-btn:hover, .a11y-close:hover, .a11y-toggle-btn.active { transform: translateY(-1px); border-color: rgba(118,193,97,.65); background: rgba(118,193,97,.14); box-shadow: 0 12px 30px rgba(118,193,97,.12); }
.a11y-fab {
    position: fixed;
    right: 1.35rem;
    bottom: 1.35rem;
    z-index: 301;
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 50%;
    border: 1px solid rgba(118,193,97,.55);
    background: rgba(9,31,16,.94);
    color: var(--accent);
    cursor: pointer;
    box-shadow: 0 18px 42px rgba(0,0,0,.28), 0 0 22px rgba(118,193,97,.12);
    backdrop-filter: blur(12px);
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.a11y-fab:hover, .a11y-fab:focus-visible { transform: translateY(-3px) scale(1.06); box-shadow: 0 24px 52px rgba(0,0,0,.32), 0 0 32px rgba(118,193,97,.26); background: rgba(27,66,33,.98); }

@media (hover: hover) and (pointer: fine) {
    .card:hover,
    .summary-grid article:hover,
    .quiz-card:hover,
    .quiz-stats div:hover,
    .history-hero-img:hover,
    .image-block:hover {
        transform: translateY(-6px) scale(1.015);
        border-color: rgba(135, 220, 105, 0.72) !important;
        box-shadow: 0 24px 58px rgba(3,16,8,.24), 0 0 0 1px rgba(135,220,105,.18), 0 0 30px rgba(118,193,97,.16);
        z-index: 8;
    }
    .card:hover .card-icon,
    .summary-grid article:hover .summary-icon { transform: translateY(-3px) scale(1.12); filter: drop-shadow(0 0 10px rgba(135,220,105,.42)); }
}
.card-icon, .summary-icon { transition: transform .28s ease, filter .28s ease; }

html[data-theme="light"] body { background: linear-gradient(180deg, #f2f8ef 0%, #e4f0df 100%); color: #102016; }
html[data-theme="light"] { --text:#102016; --muted:#446047; --accent:#2f8f37; --border:rgba(44,120,55,.16); --shadow:0 18px 45px rgba(50,100,55,.12); }
html[data-theme="light"] .site-header, html[data-theme="light"] .site-footer { background: rgba(240,248,236,.92); border-color: rgba(44,120,55,.16); }
html[data-theme="light"] .card, html[data-theme="light"] .summary-grid article, html[data-theme="light"] .quiz-card, html[data-theme="light"] .quiz-stats div, html[data-theme="light"] .timeline-content { background: rgba(255,255,255,.78); border-color: rgba(44,120,55,.18); color:#102016; }
html[data-theme="light"] p, html[data-theme="light"] .timeline-content p, html[data-theme="light"] .text-block p, html[data-theme="light"] .finish-detail { color:#446047; }
html[data-theme="light"] .a11y-panel, html[data-theme="light"] .a11y-fab { background: rgba(246,252,243,.96); color:#102016; }
html[data-contrast="high"] body { background:#000 !important; color:#fff !important; }
html[data-contrast="high"] .site-header, html[data-contrast="high"] .site-footer, html[data-contrast="high"] .card, html[data-contrast="high"] .quiz-card, html[data-contrast="high"] .summary-grid article { background:#050505 !important; border-color:#ffff66 !important; color:#fff !important; }
html[data-contrast="high"] p, html[data-contrast="high"] a, html[data-contrast="high"] h1, html[data-contrast="high"] h2, html[data-contrast="high"] h3, html[data-contrast="high"] span { color:#fff !important; }
html[data-contrast="high"] .section-label { color:#00ff66 !important; }

@media (max-width: 900px) {
    .a11y-panel { right: 1rem; bottom: 4.8rem; }
    .a11y-fab { right: 1rem; bottom: 1rem; }
}


/* Melhor contraste no quiz */
.explanation-status{
 color:#ffffff !important;
 font-size:1.1rem;
}
.explanation-message{
 color:#ffffff !important;
 font-size:1rem;
 font-weight:500;
}
.explanation-curiosity{
 color:#e6e6e6 !important;
 font-size:0.98rem;
}
.explanation-card{
 border-width:2px;
}

/* ── Progresso do quiz com trator ── */
.quiz-progress {
    position: relative;
    overflow: visible;
    margin-top: 0.3rem;
}

.quiz-progress::before {
    content: "";
    position: absolute;
    inset: -6px -10px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(120, 195, 95, 0.16), transparent 65%);
    opacity: 0.55;
    pointer-events: none;
}

.progress-step {
    position: relative;
    z-index: 1;
}

.quiz-tractor {
    position: absolute;
    top: 50%;
    left: 10%;
    z-index: 3;
    transform: translate(-50%, -58%);
    font-size: 1.55rem;
    line-height: 1;
    filter: drop-shadow(0 3px 8px rgba(120, 195, 95, 0.45));
    transition: left 0.45s cubic-bezier(.2,.9,.2,1), transform 0.25s ease;
    pointer-events: none;
}

.quiz-goal {
    position: absolute;
    top: 50%;
    right: -0.45rem;
    z-index: 2;
    transform: translate(50%, -52%);
    font-size: 1.25rem;
    filter: drop-shadow(0 0 9px rgba(120, 195, 95, 0.45));
    pointer-events: none;
}

.quiz-progress:hover .quiz-tractor {
    transform: translate(-50%, -63%) scale(1.06);
}

.quiz-finish.finish-celebration .finish-card {
    border: 1px solid rgba(120, 195, 95, 0.5);
    border-radius: 26px;
    padding: 2rem;
    background: linear-gradient(180deg, rgba(120, 195, 95, 0.12), rgba(255, 255, 255, 0.04));
    box-shadow: 0 24px 70px rgba(5, 18, 10, 0.28), 0 0 38px rgba(120, 195, 95, 0.14);
    animation: finishGlow 1.6s ease-in-out infinite alternate;
}

.quiz-confetti {
    position: fixed;
    top: -18px;
    width: 10px;
    height: 16px;
    z-index: 9999;
    background: var(--color);
    border-radius: 3px;
    pointer-events: none;
    animation: quizConfettiFall 2.8s ease-in forwards;
    animation-delay: var(--delay);
}

@keyframes quizConfettiFall {
    0% {
        opacity: 1;
        transform: translate3d(0, 0, 0) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: translate3d(var(--x), 105vh, 0) rotate(var(--r));
    }
}

@keyframes finishGlow {
    from { box-shadow: 0 20px 60px rgba(5, 18, 10, 0.22), 0 0 20px rgba(120, 195, 95, 0.10); }
    to { box-shadow: 0 24px 72px rgba(5, 18, 10, 0.28), 0 0 42px rgba(120, 195, 95, 0.22); }
}

html[data-theme="light"] .quiz-progress::before {
    background: radial-gradient(circle, rgba(47, 143, 55, 0.15), transparent 65%);
}

html[data-theme="light"] .quiz-tractor,
html[data-theme="light"] .quiz-goal {
    filter: drop-shadow(0 3px 8px rgba(47, 143, 55, 0.35));
}

@media (max-width: 620px) {
    .quiz-tractor { font-size: 1.25rem; }
    .quiz-goal { font-size: 1.05rem; right: -0.25rem; }
    .quiz-finish.finish-celebration .finish-card { padding: 1.35rem; }
}

@media (prefers-reduced-motion: reduce) {
    .quiz-tractor,
    .quiz-confetti,
    .quiz-finish.finish-celebration .finish-card {
        animation: none !important;
        transition: none !important;
    }
}


/* ── Ajustes finais do quiz: legibilidade, trator e resultado ── */
.quiz-tractor {
    transform: translate(-50%, -58%) scaleX(-1);
    font-size: 1.75rem;
    filter: drop-shadow(0 4px 10px rgba(120, 195, 95, 0.58));
}

.quiz-progress:hover .quiz-tractor {
    transform: translate(-50%, -63%) scaleX(-1) scale(1.08);
}

.quiz-finish {
    padding: 2rem 1rem;
    background: rgba(8, 23, 13, 0.92);
}

.finish-card {
    width: min(760px, 100%);
    margin: 0 auto;
    justify-items: center;
    padding: 2rem;
    border-radius: 28px;
    border: 1px solid rgba(120, 195, 95, 0.28);
    background: linear-gradient(180deg, rgba(15, 48, 27, 0.96), rgba(7, 24, 15, 0.94));
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
}

.finish-text {
    color: #f3fff1;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.finish-detail {
    color: #d6ead2 !important;
    max-width: 680px;
    line-height: 1.7;
}

#restartButton {
    width: auto !important;
    min-width: 190px;
    max-width: 260px;
    padding: 0.9rem 1.45rem;
    justify-self: center;
    gap: 0.45rem;
    font-weight: 800;
    box-shadow: 0 14px 34px rgba(120, 195, 95, 0.22);
}

#restartButton:hover,
#restartButton:focus-visible {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 20px 42px rgba(120, 195, 95, 0.34), 0 0 20px rgba(120, 195, 95, 0.18);
}

#restartButton:active {
    transform: translateY(0) scale(0.98);
}

.quiz-finish.finish-celebration .finish-card {
    background: linear-gradient(180deg, rgba(37, 86, 45, 0.98), rgba(12, 39, 22, 0.96));
}

.explanation-card.correct-card,
.explanation-card.wrong-card {
    color: #ffffff;
}

.explanation-card.correct-card .explanation-status,
.explanation-card.wrong-card .explanation-status {
    color: #ffffff !important;
}

.explanation-card.correct-card .explanation-message,
.explanation-card.wrong-card .explanation-message {
    color: #f6fff4 !important;
    font-weight: 500;
}

.explanation-card.correct-card .explanation-curiosity,
.explanation-card.wrong-card .explanation-curiosity {
    color: #e7f2e4 !important;
}

html[data-theme="light"] .quiz-finish {
    background: #eef7ea;
}

html[data-theme="light"] .finish-card {
    background: linear-gradient(180deg, #ffffff, #edf8ea);
    border-color: rgba(66, 145, 70, 0.28);
    box-shadow: 0 20px 58px rgba(43, 94, 48, 0.16);
}

html[data-theme="light"] .finish-text {
    color: #102016;
    text-shadow: none;
}

html[data-theme="light"] .finish-detail {
    color: #36543b !important;
}

html[data-theme="light"] .explanation-card.correct-card {
    background: #2f7d46;
}

html[data-theme="light"] .explanation-card.wrong-card {
    background: #8f3f39;
}

@media (max-width: 620px) {
    .finish-card {
        padding: 1.4rem;
        border-radius: 22px;
    }

    #restartButton {
        min-width: 170px;
        max-width: 100%;
    }
}


/* ── Revisão final: contraste do resultado do quiz ── */
.finish-card {
    gap: 1.25rem;
}

.finish-text {
    color: #ffffff !important;
    font-weight: 800;
}

.finish-detail {
    color: rgba(255, 255, 255, 0.9) !important;
    max-width: 680px;
    line-height: 1.75;
    font-weight: 500;
}

.quiz-finish.finish-celebration .finish-card {
    background: linear-gradient(180deg, rgba(36, 90, 48, 0.98), rgba(10, 36, 20, 0.97));
}

html[data-theme="light"] .finish-text {
    color: #102016 !important;
}

html[data-theme="light"] .finish-detail {
    color: #29452f !important;
}

html[data-contrast="high"] .finish-text,
html[data-contrast="high"] .finish-detail {
    color: #ffffff !important;
}