*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --paper:      #fdfbf7;
    --ivory-dark: #ede7da;
    --ivory-mid:  #e0d8c8;
    --gold:       #b8892a;
    --gold-light: #e0c060;
    --gold-pale:  #f8eecc;
    --gold-shine: #c9a84c;
    --brick:      #c0442b;
    --brick-dark: #8c2e1a;
    --brick-pale: #faeae6;
    --forest:     #2d6a4f;
    --forest-dark:#1b4332;
    --forest-pale:#e8f5ee;
    --amber:      #a07820;
    --amber-dark: #7a5a10;
    --amber-pale: #fef8e0;
    --text-dark:  #2b2b2b;
    --text-mid:   #4a3c28;
    --text-muted: #8a7a62;
    --correct:    #2d6a4f;
    --wrong:      #b83020;
    --correct-bg: #e8f5ee;
    --wrong-bg:   #faeae6;
    --radius-sm:  8px;
    --radius-md:  14px;
    --radius-lg:  20px;
    --cyan:       #00D6C2;
    --cyan-dark:  #0b2b31;
    --cyan-light: #b2efeb;
    --cyan-pale:  #e0f9f6;
}
html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: 'Roboto', sans-serif;
    background-color: #242424;
    color: var(--text-dark);
    min-height: 100vh;
    padding: 28px 0 44px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
.font-phudu  { font-family: 'Phudu', sans-serif; }
.font-caveat { font-family: 'Caveat', cursive; }

.paper-bg {
    background-color: #fdfbf7;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");
}

.page-title {
    text-align: center;
    padding: 0 20px 18px;
}
.page-title h2 {
    font-family: 'Phudu', sans-serif;
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold-light);
    text-shadow: 0 1px 8px rgba(0,0,0,0.4);
}

.slider-outer {
    width: 100%;
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 4px 20px 16px;
    cursor: grab;
}
.slider-outer::-webkit-scrollbar { display: none; }
.slider-outer.grabbing { cursor: grabbing; }

.slider-track {
    display: flex;
    gap: 16px;
    width: max-content;
    align-items: stretch;
    margin: 0 auto;
}
@media (max-width: 1120px) { .slider-track { margin: 0; } }

.quiz-card {
    width: 340px;
    flex-shrink: 0;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 24px rgba(0,0,0,0.28);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.quiz-header {
    padding: 0 0 14px;
    text-align: center;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}
.header-stripe { height: 4px; margin-bottom: 12px; }

.c-forest .header-stripe { background: linear-gradient(90deg, var(--forest-dark), var(--forest), var(--gold)); }
.c-gold   .header-stripe { background: linear-gradient(90deg, var(--gold), var(--brick), var(--gold-light)); }
.c-amber  .header-stripe { background: linear-gradient(90deg, var(--amber-dark), var(--gold-shine), var(--gold-light)); }
.c-cyan   .header-stripe { background: linear-gradient(90deg, var(--cyan-dark), var(--cyan), #fff); }

.c-forest .quiz-header { background: linear-gradient(140deg, var(--forest) 0%, var(--forest-dark) 100%); }
.c-gold   .quiz-header { background: linear-gradient(140deg, var(--brick) 0%, var(--brick-dark) 100%); }
.c-amber  .quiz-header { background: linear-gradient(140deg, #8a6818 0%, #4e3a08 100%); }
.c-cyan   .quiz-header { background: linear-gradient(140deg, var(--cyan-dark) 0%, #05181c 100%); }

.quiz-header::before {
    content: '';
    position: absolute;
    top: -25px; right: -25px;
    width: 90px; height: 90px;
    background: rgba(255,255,255,0.07);
    border-radius: 50%;
}

.sponsored-label {
    font-size: 9.5px;
    font-weight: 400;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 5px;
    font-style: italic;
}
.quiz-header h1 {
    font-family: 'Phudu', sans-serif;
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    line-height: 1.2;
    padding: 0 14px;
    position: relative;
    z-index: 1;
}
.c-amber .quiz-header h1 { color: var(--gold-light); }
.c-cyan  .quiz-header h1 { color: var(--cyan); }
.quiz-header h1 span {
    color: rgba(255,255,255,0.75);
    display: block;
    font-family: 'Roboto', sans-serif;
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.5px;
    text-transform: none;
    margin-top: 3px;
    font-style: italic;
}
.c-amber .quiz-header h1 span { color: rgba(230,200,100,0.8); }

.quiz-subtitle {
    padding: 12px 14px 4px;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--text-dark);
    text-align: center;
    line-height: 1.45;
    flex-shrink: 0;
}

.quiz-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 14px 10px;
    flex-shrink: 0;
}
.prog-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--ivory-mid);
    transition: all 0.3s cubic-bezier(.34,1.56,.64,1);
}
.c-forest .prog-dot.active { background: var(--forest); width: 20px; border-radius: 5px; }
.c-gold   .prog-dot.active { background: var(--brick);  width: 20px; border-radius: 5px; }
.c-amber  .prog-dot.active { background: var(--gold-shine); width: 20px; border-radius: 5px; }
.c-cyan   .prog-dot.active { background: var(--cyan); width: 20px; border-radius: 5px; }
.prog-dot.done   { background: var(--correct); }
.prog-dot.wrong  { background: var(--wrong); }
.prog-label { font-size: 10px; color: var(--text-muted); font-weight: 500; margin-left: 3px; }

.quiz-body {
    display: flex;
    gap: 10px;
    padding: 0 12px 0;
    align-items: flex-start;
    flex: 1;
}
.c-forest .quiz-body { flex-direction: row; }
.c-gold   .quiz-body { flex-direction: row-reverse; }
.c-amber  .quiz-body { flex-direction: row; }
.c-cyan   .quiz-body { flex-direction: row; }

.product-card {
    width: 100px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.c-forest .product-card { border: 1.5px solid #a8c8b8; box-shadow: 0 2px 10px rgba(45,106,79,0.16); }
.c-gold   .product-card { border: 1.5px solid #e0a898; box-shadow: 0 2px 10px rgba(192,68,43,0.16); }
.c-amber  .product-card { border: 1.5px solid #c8a848; box-shadow: 0 2px 10px rgba(160,120,32,0.20); }
.c-cyan   .product-card { border: 1.5px solid var(--cyan-light); box-shadow: 0 2px 10px rgba(0,214,194,0.16); }

.product-img-wrap {
    width: 100%;
    aspect-ratio: 1 / 1.15;
    background-size: cover;
    background-position: center;
    background-color: var(--ivory-dark);
    position: relative;
    overflow: hidden;
}
.product-img-wrap video { width: 100%; height: 100%; object-fit: cover; display: block; }

.product-label {
    padding: 6px 5px 3px;
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    line-height: 1.3;
    text-align: center;
    background: transparent;
}
.c-forest .product-label { color: var(--forest-dark); }
.c-gold   .product-label { color: var(--brick-dark); }
.c-amber  .product-label { color: var(--amber-dark); }
.c-cyan   .product-label { color: var(--cyan-dark); }

.buy-btn {
    display: block;
    border: none;
    border-top: 1.5px solid;
    padding: 8px 4px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
    -webkit-tap-highlight-color: transparent;
    background: transparent;
}
.c-forest .buy-btn { border-color: #a8c8b8; color: var(--forest-dark); }
.c-forest .buy-btn:hover { background: var(--forest); color: #fff; }
.c-gold   .buy-btn { border-color: #e0a898; color: var(--brick-dark); }
.c-gold   .buy-btn:hover { background: var(--brick); color: #fff; }
.c-amber  .buy-btn { border-color: #c8a848; color: var(--amber-dark); }
.c-amber  .buy-btn:hover { background: var(--gold-shine); color: #fff; }
.c-cyan   .buy-btn { border-color: var(--cyan-light); color: var(--cyan-dark); }
.c-cyan   .buy-btn:hover { background: var(--cyan); color: var(--cyan-dark); border-color: var(--cyan); }

.questions-col {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.q-block {
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color 0.18s;
}
.c-forest .q-block { border: 1.5px solid #c0d8cc; background: transparent; overflow: hidden; border-radius: var(--radius-sm); }
.c-gold   .q-block { border: 1.5px solid #e8c8c0; background: transparent; overflow: hidden; border-radius: var(--radius-sm); }
.c-amber  .q-block { border: 1.5px solid #d8c080; background: transparent; overflow: hidden; border-radius: var(--radius-sm); }
.c-cyan   .q-block { border: 1.5px solid var(--cyan-light); background: transparent; overflow: hidden; border-radius: var(--radius-sm); }

.c-forest .q-block.open    { border-color: var(--forest); }
.c-gold   .q-block.open    { border-color: var(--brick); }
.c-amber  .q-block.open    { border-color: var(--gold-shine); }
.c-cyan   .q-block.open    { border-color: var(--cyan); }

.c-forest .q-block.answered { border-color: var(--correct); }
.c-gold   .q-block.answered { border-color: var(--correct); }
.c-amber  .q-block.answered { border-color: var(--correct); }
.c-cyan   .q-block.answered { border-color: var(--correct); }

.q-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 11px;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}
.c-forest .q-trigger:hover { background: rgba(45,106,79,0.07); }
.c-gold   .q-trigger:hover { background: rgba(192,68,43,0.07); }
.c-amber  .q-trigger:hover { background: rgba(160,120,32,0.07); }
.c-cyan   .q-trigger:hover { background: rgba(0,214,194,0.07); }

.c-forest .q-block.open .q-trigger { background: linear-gradient(90deg, var(--forest), var(--forest-dark)); }
.c-gold   .q-block.open .q-trigger { background: linear-gradient(90deg, var(--brick), var(--brick-dark)); }
.c-amber  .q-block.open .q-trigger { background: linear-gradient(90deg, #9a7818, #5a3e08); }
.c-cyan   .q-block.open .q-trigger { background: linear-gradient(90deg, var(--cyan), #00b2a2); }

.q-num {
    width: 20px; height: 20px;
    border-radius: 50%;
    font-size: 10px;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transition: all 0.18s;
}
.c-forest .q-num { background: rgba(45,106,79,0.15); color: var(--forest-dark); }
.c-gold   .q-num { background: rgba(192,68,43,0.15); color: var(--brick-dark); }
.c-amber  .q-num { background: rgba(160,120,32,0.18); color: var(--amber-dark); }
.c-cyan   .q-num { background: rgba(0,214,194,0.18); color: var(--cyan-dark); }
.q-block.open .q-num { background: rgba(255,255,255,0.22); color: #fff; }

.q-text {
    font-size: 12px;
    color: var(--text-dark);
    font-weight: 600;
    line-height: 1.4;
    flex: 1;
    transition: color 0.18s;
}
.q-block.open .q-text { color: #fff; }

.q-arrow {
    font-size: 9px;
    color: var(--text-muted);
    transition: transform 0.22s, color 0.18s;
    flex-shrink: 0;
}
.q-block.open .q-arrow { transform: rotate(180deg); color: rgba(255,255,255,0.7); }

.q-options {
    display: none;
    padding: 8px 9px 9px;
    background: transparent;
    flex-direction: column;
    gap: 6px;
    animation: slideDown 0.22s ease;
}
.c-forest .q-options { border-top: 1px solid #c8e8d8; }
.c-gold   .q-options { border-top: 1px solid #f5d0c8; }
.c-amber  .q-options { border-top: 1px solid #e0c870; }
.c-cyan   .q-options { border-top: 1px solid var(--cyan-light); }
.q-block.open .q-options { display: flex; }

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-5px); }
    to   { opacity: 1; transform: translateY(0); }
}

.opt-row {
    display: flex;
    align-items: center;
    gap: 7px;
    cursor: pointer;
    padding: 8px 9px;
    border-radius: 6px;
    border: 1.5px solid;
    transition: all 0.15s;
    position: relative;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
    background: transparent;
}
.c-forest .opt-row { border-color: #c0d8cc; }
.c-gold   .opt-row { border-color: #e8c8c0; }
.c-amber  .opt-row { border-color: #d8c080; }
.c-cyan   .opt-row { border-color: var(--cyan-light); }

.c-forest .opt-row:hover { border-color: var(--forest); background: rgba(45,106,79,0.07); }
.c-gold   .opt-row:hover { border-color: var(--brick);  background: rgba(192,68,43,0.07); }
.c-amber  .opt-row:hover { border-color: var(--gold-shine); background: rgba(160,120,32,0.07); }
.c-cyan   .opt-row:hover { border-color: var(--cyan); background: rgba(0,214,194,0.07); }

.opt-row.correct {
    border-color: var(--correct) !important;
    background: transparent !important;
    cursor: default;
}
.opt-row.wrong {
    border-color: var(--wrong) !important;
    background: transparent !important;
    cursor: default;
}
.q-block.answered .opt-row { cursor: default; pointer-events: none; }

.opt-letter {
    width: 20px; height: 20px;
    border-radius: 50%;
    font-size: 10px;
    font-weight: 800;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    position: relative;
    transition: background 0.15s, color 0.15s;
}
.c-forest .opt-letter { background: #c0e0d0; color: var(--forest-dark); }
.c-gold   .opt-letter { background: #f0c8c0; color: var(--brick-dark); }
.c-amber  .opt-letter { background: #e8d090; color: var(--amber-dark); }
.c-cyan   .opt-letter { background: var(--cyan-pale); color: var(--cyan-dark); }

.opt-row.correct .opt-letter { background: var(--correct); color: #fff; }
.opt-row.wrong   .opt-letter { background: var(--wrong);   color: #fff; }

.opt-text {
    font-size: 11.5px;
    color: var(--text-dark);
    line-height: 1.4;
    flex: 1;
}
.opt-row.correct .opt-text { color: var(--forest-dark); font-weight: 600; }
.opt-row.wrong   .opt-text { color: var(--wrong);       font-weight: 600; }

.opt-check {
    width: 15px; height: 15px;
    border-radius: 50%;
    border: 1.5px solid;
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.15s;
    background: transparent;
}
.c-forest .opt-check { border-color: #a8c8b8; }
.c-gold   .opt-check { border-color: #e0a898; }
.c-amber  .opt-check { border-color: #c8a848; }
.c-cyan   .opt-check { border-color: var(--cyan-light); }

.opt-row.correct .opt-check { background: var(--correct); border-color: var(--correct); }
.opt-row.wrong   .opt-check { background: var(--wrong);   border-color: var(--wrong); }

.opt-row.correct .opt-check::after,
.opt-row.wrong   .opt-check::after {
    content: '';
    width: 4px; height: 8px;
    border: 2px solid #fff;
    border-top: none; border-left: none;
    transform: rotate(42deg) translateY(-1px);
    display: block;
}
.opt-row.wrong .opt-check::after {
    width: 8px; height: 8px;
    border: none;
    transform: none;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10'%3E%3Cpath d='M2 2L8 8M8 2L2 8' stroke='white' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/contain no-repeat;
}

.q-explain {
    display: none;
    padding: 7px 10px 8px;
    font-size: 11px;
    line-height: 1.55;
    border-top: 1px dashed;
    background: transparent;
}
.q-block.answered .q-explain { display: block; animation: slideDown 0.2s ease; }
.c-forest .q-explain { border-color: #a8d8b8; color: var(--forest-dark); }
.c-gold   .q-explain { border-color: #f0b8a8; color: var(--brick-dark); }
.c-amber  .q-explain { border-color: #d0b858; color: var(--amber-dark); }
.c-cyan   .q-explain { border-color: var(--cyan-light); color: var(--cyan-dark); }
.q-explain strong { font-weight: 700; display: block; margin-bottom: 2px; }

.quiz-main { flex: 1; display: flex; flex-direction: column; }

.card-feedback {
    min-height: 16px;
    padding: 4px 12px 10px;
    flex-shrink: 0;
}
.prog-status {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 500;
    text-align: center;
    letter-spacing: 0.2px;
}

.final-result { display: none; flex: 1; padding: 14px 14px 16px; }
.final-result.show { display: block; animation: fadeUp 0.3s ease; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.final-inner {
    border-radius: var(--radius-md);
    padding: 18px 16px 16px;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
    height: 100%;
}
.c-forest .final-inner { background: linear-gradient(135deg, var(--forest), var(--forest-dark)); box-shadow: 0 5px 20px rgba(27,67,50,0.28); }
.c-gold   .final-inner { background: linear-gradient(135deg, var(--brick), var(--brick-dark));   box-shadow: 0 5px 20px rgba(140,46,26,0.28); }
.c-amber  .final-inner { background: linear-gradient(135deg, #9a7818, #4e3a08);                  box-shadow: 0 5px 20px rgba(78,58,8,0.35); }
.c-cyan   .final-inner { background: linear-gradient(135deg, var(--cyan-dark), #05181c); box-shadow: 0 5px 20px rgba(11,43,49,0.35); }

.final-inner::before {
    content: '';
    position: absolute;
    top: -35px; right: -35px;
    width: 130px; height: 130px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
}
.final-icon  { font-size: 30px; display: block; margin-bottom: 7px; }
.final-title { font-family: 'Phudu', sans-serif; font-size: 14px; font-weight: 800; line-height: 1.4; margin-bottom: 8px; }
.final-desc  { font-size: 12px; line-height: 1.65; opacity: 0.92; margin-bottom: 14px; }

.final-cta {
    display: inline-block;
    border: none;
    border-radius: 20px;
    padding: 9px 20px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 3px 10px rgba(0,0,0,0.18);
    transition: transform 0.15s;
    margin-bottom: 9px;
    -webkit-tap-highlight-color: transparent;
}
.c-forest .final-cta { background: var(--gold-light); color: var(--forest-dark); }
.c-gold   .final-cta { background: var(--gold-light); color: var(--brick-dark); }
.c-amber  .final-cta { background: var(--gold-light); color: var(--amber-dark); }
.c-cyan   .final-cta { background: var(--cyan); color: var(--cyan-dark); }
.final-cta:hover { transform: translateY(-1px) scale(1.02); }

.restart-btn {
    display: block;
    margin: 0 auto;
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.28);
    color: #fff;
    border-radius: 16px;
    padding: 6px 15px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
    -webkit-tap-highlight-color: transparent;
}
.restart-btn:hover { background: rgba(255,255,255,0.24); }

.quiz-footer { height: 3px; flex-shrink: 0; }
.c-forest .quiz-footer { background: linear-gradient(90deg, var(--forest-dark), var(--gold)); }
.c-gold   .quiz-footer { background: linear-gradient(90deg, var(--gold), var(--brick-dark)); }
.c-amber  .quiz-footer { background: linear-gradient(90deg, #4e3a08, var(--gold-shine), var(--gold-light)); }
.c-cyan   .quiz-footer { background: linear-gradient(90deg, var(--cyan-dark), var(--cyan), #fff); }

.nav-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 10px 0 0;
}
.nav-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #555;
    transition: all 0.3s ease;
    cursor: pointer;
}
.nav-dot.active { width: 22px; border-radius: 5px; background: var(--gold-light); }

@media (max-width: 380px) {
    .quiz-card { width: 290px; }
    .q-text { font-size: 11px; }
    .opt-text { font-size: 11px; }
}