:root {
    --qr-ink: #17213d;
    --qr-muted: #5b6680;
    --qr-paper: #f7f8fc;
    --qr-surface: #ffffff;
    --qr-purple: #6659e8;
    --qr-purple-deep: #493fc3;
    --qr-mint: #b9f3d2;
    --qr-yellow: #ffd76a;
    --qr-line: #e2e5f0;
    --qr-radius: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
.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; }
body.riddle-home {
    margin: 0;
    min-width: 320px;
    color: var(--qr-ink);
    background: var(--qr-paper);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.riddle-home a { color: inherit; }
.riddle-shell { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.riddle-nav {
    position: sticky;
    z-index: 10;
    top: 0;
    background: rgba(255, 255, 255, .94);
    border-bottom: 1px solid var(--qr-line);
    backdrop-filter: blur(12px);
}
.riddle-nav__inner { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.riddle-brand { color: var(--qr-ink); font-size: 1.22rem; font-weight: 850; letter-spacing: 0; text-decoration: none; }
.riddle-brand__mark { color: var(--qr-purple); }
.riddle-nav__links { display: flex; align-items: center; gap: 4px; }
.riddle-nav__links a { padding: 9px 11px; border-radius: 8px; color: #3f4a63; font-size: .88rem; font-weight: 700; text-decoration: none; }
.riddle-nav__links a:hover, .riddle-nav__links a:focus-visible { color: var(--qr-purple-deep); background: #f0efff; outline: none; }
.riddle-menu { display: none; }
.riddle-controls { display: flex; align-items: center; gap: 8px; }
.language-select, .theme-button { min-height: 38px; border: 1px solid var(--qr-line); border-radius: 8px; color: #36415d; background: #fff; font: inherit; font-size: .82rem; font-weight: 750; }
.language-select { max-width: 112px; padding: 0 27px 0 10px; cursor: pointer; }
.theme-button { width: 38px; padding: 0; cursor: pointer; font-size: 1rem; }
.language-select:hover, .language-select:focus-visible, .theme-button:hover, .theme-button:focus-visible { border-color: var(--qr-purple); color: var(--qr-purple-deep); outline: none; }

.riddle-hero { overflow: hidden; padding: 56px 0 46px; background: #eceaff; }
.riddle-hero__grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(270px, .92fr); align-items: center; gap: 40px; }
.eyebrow { margin: 0 0 14px; color: var(--qr-purple-deep); font-size: .79rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.riddle-hero h1 { max-width: 680px; margin: 0; font-size: clamp(2.45rem, 5.5vw, 4.85rem); line-height: 1.02; letter-spacing: 0; }
.riddle-hero h1 span { color: var(--qr-purple); }
.riddle-hero__copy { max-width: 590px; margin: 20px 0 0; color: #44506c; font-size: clamp(1rem, 1.8vw, 1.15rem); line-height: 1.7; }
.riddle-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.button-primary, .button-secondary { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 0 19px; border-radius: 10px; font-weight: 800; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.button-primary { color: #fff; background: var(--qr-purple); box-shadow: 0 8px 0 #4439ad; }
.button-primary:hover, .button-primary:focus-visible { background: var(--qr-purple-deep); box-shadow: 0 5px 0 #393099; transform: translateY(3px); outline: none; }
.button-secondary { color: #34405c; border: 1px solid #cfd2e8; background: #fff; }
.button-secondary:hover, .button-secondary:focus-visible { border-color: var(--qr-purple); color: var(--qr-purple-deep); outline: none; }
.riddle-hero__note { margin: 18px 0 0; color: #68718c; font-size: .86rem; }
.hero-puzzle { position: relative; min-height: 300px; padding: 24px; border: 1px solid #d6d3f7; border-radius: 20px; background: #fff; box-shadow: 0 20px 44px rgba(67, 53, 158, .13); transform: rotate(1.5deg); }
.hero-puzzle::before { content: ""; position: absolute; z-index: -1; inset: 16px -12px -14px 14px; border-radius: 20px; background: var(--qr-yellow); transform: rotate(-3deg); }
.hero-puzzle__label { display: inline-block; padding: 6px 10px; border-radius: 999px; color: #3e3512; background: var(--qr-yellow); font-size: .76rem; font-weight: 850; }
.hero-puzzle__question { margin: 24px 0 15px; font-size: clamp(1.45rem, 3vw, 2rem); font-weight: 850; line-height: 1.25; }
.hero-puzzle__hint { padding: 12px; border-radius: 10px; color: #3a4665; background: #f1f2ff; font-size: .93rem; line-height: 1.5; }
.hero-puzzle__dots { display: flex; gap: 8px; margin-top: 22px; }
.hero-puzzle__dots span { width: 12px; height: 12px; border-radius: 50%; background: #dddff0; }
.hero-puzzle__dots span:first-child { background: var(--qr-purple); }

.riddle-section { padding: 68px 0; }
.riddle-section--white { background: #fff; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 22px; margin-bottom: 26px; }
.section-heading h2 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.35rem); letter-spacing: 0; }
.section-heading p { max-width: 530px; margin: 0; color: var(--qr-muted); font-size: .98rem; line-height: 1.6; }
.riddle-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.riddle-card { display: flex; min-height: 252px; flex-direction: column; padding: 22px; border: 1px solid var(--qr-line); border-radius: var(--qr-radius); background: var(--qr-surface); box-shadow: 0 8px 20px rgba(28, 38, 68, .04); transition: transform .18s ease, box-shadow .18s ease; }
.riddle-card:hover { box-shadow: 0 15px 28px rgba(46, 53, 100, .1); transform: translateY(-3px); }
.riddle-card__meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: #68718c; font-size: .78rem; font-weight: 750; }
.riddle-tag { padding: 5px 9px; border-radius: 999px; color: #473dba; background: #f0efff; }
.riddle-card h3 { margin: 17px 0 12px; font-size: 1.14rem; line-height: 1.4; }
.riddle-card details { margin-top: auto; }
.riddle-card summary { display: flex; min-height: 40px; align-items: center; justify-content: center; cursor: pointer; border: 1px solid #cfd2e8; border-radius: 9px; color: #35405e; font-size: .9rem; font-weight: 800; list-style: none; }
.riddle-card summary::-webkit-details-marker { display: none; }
.riddle-card summary::after { content: "+"; margin-left: 8px; color: var(--qr-purple); font-size: 1.15rem; }
.riddle-card details[open] summary { color: #fff; border-color: var(--qr-purple); background: var(--qr-purple); }
.riddle-card details[open] summary::after { color: #fff; content: "-"; }
.riddle-answer { margin: 12px 0 0; padding: 11px 12px; border-radius: 9px; color: #43506e; background: #f5f6fb; font-size: .91rem; line-height: 1.5; }
.riddle-answer strong { color: var(--qr-ink); }
.riddle-pagination { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 28px; }
.riddle-pagination button { min-width: 42px; min-height: 42px; cursor: pointer; border: 1px solid #cfd2e8; border-radius: 9px; color: #35405e; background: #fff; font: inherit; font-weight: 800; }
.riddle-pagination button:hover:not(:disabled), .riddle-pagination button:focus-visible { border-color: var(--qr-purple); color: var(--qr-purple-deep); outline: none; }
.riddle-pagination button:disabled { cursor: not-allowed; opacity: .45; }
.riddle-pagination__status { min-width: 82px; color: var(--qr-muted); font-size: .88rem; font-weight: 700; text-align: center; }

.category-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.category-card { min-height: 278px; overflow: hidden; border: 1px solid var(--qr-line); border-radius: var(--qr-radius); background: #fff; text-decoration: none; transition: transform .18s ease, border-color .18s ease; }
.category-card:hover, .category-card:focus-visible { border-color: var(--qr-purple); transform: translateY(-3px); outline: none; }
.category-card__image { display: block; width: 100%; height: 124px; object-fit: cover; background: #eceaff; }
.category-card__body { padding: 17px 18px 19px; }
.category-card__icon { display: grid; width: 36px; height: 36px; place-items: center; border-radius: 10px; font-size: 1rem; background: #eceaff; }
.category-card:nth-child(2) .category-card__icon { background: var(--qr-mint); }
.category-card:nth-child(3) .category-card__icon { background: #ffe4d8; }
.category-card:nth-child(4) .category-card__icon { background: var(--qr-yellow); }
.category-card h3 { margin: 12px 0 7px; font-size: 1.04rem; }
.category-card p { margin: 0; color: var(--qr-muted); font-size: .88rem; line-height: 1.5; }

.classic-preview-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.classic-preview { overflow: hidden; border: 1px solid var(--qr-line); border-radius: 12px; background: #fff; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease; }
.classic-preview:hover, .classic-preview:focus-visible { box-shadow: 0 14px 26px rgba(46, 53, 100, .12); transform: translateY(-3px); outline: none; }
.classic-preview img { display: block; width: 100%; height: 132px; object-fit: cover; background: #eceaff; }
.classic-preview__body { padding: 14px; }
.classic-preview__body span { color: var(--qr-purple-deep); font-size: .73rem; font-weight: 800; text-transform: uppercase; }
.classic-preview__body h3 { margin: 6px 0 0; font-size: 1rem; }
.classic-preview__footer { display: flex; justify-content: center; margin-top: 24px; }
.legacy-mini-games { padding-top: 0; }
.legacy-mini-games .game-grid { width: 100%; margin: 0; }
.legacy-mini-games .game-card { display: flex; scroll-margin-top: 90px; }
.legacy-mini-games__more { display: flex; justify-content: center; margin-top: 28px; }

.player-corner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .88fr); gap: 22px; }
.player-panel { padding: clamp(22px, 4vw, 34px); border: 1px solid var(--qr-line); border-radius: var(--qr-radius); background: #fff; }
.player-panel h2 { margin: 0; font-size: clamp(1.55rem, 3vw, 2.15rem); }
.player-panel > p { color: var(--qr-muted); line-height: 1.6; }
.vote-options { display: grid; gap: 10px; margin-top: 20px; }
.vote-option { display: flex; min-height: 48px; align-items: center; justify-content: space-between; gap: 12px; padding: 0 14px; cursor: pointer; border: 1px solid var(--qr-line); border-radius: 10px; color: var(--qr-ink); background: #fff; font: inherit; font-size: .93rem; font-weight: 750; text-align: left; }
.vote-option:hover, .vote-option:focus-visible, .vote-option.is-selected { border-color: var(--qr-purple); color: var(--qr-purple-deep); background: #f0efff; outline: none; }
.vote-option span { padding: 4px 8px; border-radius: 999px; color: #55617c; background: #edf0f7; font-size: .75rem; }
.player-form { display: grid; gap: 10px; margin-top: 18px; }
.player-form label { color: #45516c; font-size: .82rem; font-weight: 800; }
.player-form input, .player-form textarea { width: 100%; border: 1px solid var(--qr-line); border-radius: 9px; color: var(--qr-ink); background: #fff; font: inherit; }
.player-form input { min-height: 42px; padding: 0 12px; }
.player-form textarea { min-height: 88px; padding: 11px 12px; resize: vertical; }
.player-form input:focus, .player-form textarea:focus { border-color: var(--qr-purple); outline: 3px solid rgba(102, 89, 232, .16); }
.player-form__actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.player-form__note { color: var(--qr-muted); font-size: .77rem; line-height: 1.4; }
.player-form button { min-height: 42px; padding: 0 15px; cursor: pointer; border: 0; border-radius: 9px; color: #fff; background: var(--qr-purple); font: inherit; font-size: .88rem; font-weight: 800; }
.player-feed { display: grid; gap: 10px; margin-top: 18px; }
.player-message { padding: 12px; border-left: 3px solid var(--qr-mint); border-radius: 8px; background: #f5f6fb; }
.player-message strong { display: block; font-size: .86rem; }
.player-message p { margin: 5px 0 0; color: var(--qr-muted); font-size: .88rem; line-height: 1.5; }
.contact-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 17px; }
.contact-link { display: inline-flex; min-height: 39px; align-items: center; padding: 0 12px; border: 1px solid rgba(255,255,255,.22); border-radius: 8px; color: #fff !important; font-size: .84rem !important; font-weight: 750; }
.contact-link:hover, .contact-link:focus-visible { border-color: var(--qr-mint); color: var(--qr-mint) !important; outline: none; }

.daily-challenge { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, .8fr); gap: 28px; padding: clamp(24px, 4vw, 42px); border-radius: 20px; color: #fff; background: var(--qr-ink); }
.daily-challenge .eyebrow { color: var(--qr-mint); }
.daily-challenge h2 { max-width: 640px; margin: 0; font-size: clamp(1.75rem, 4vw, 3rem); line-height: 1.08; }
.daily-challenge p { max-width: 620px; margin: 16px 0 0; color: #d4d9e7; line-height: 1.65; }
.daily-challenge .button-primary { margin-top: 22px; color: var(--qr-ink); background: var(--qr-mint); box-shadow: 0 8px 0 #7bcfa2; }
.daily-challenge .button-primary:hover, .daily-challenge .button-primary:focus-visible { background: #99e9bf; box-shadow: 0 5px 0 #69b88e; }
.daily-challenge__score { display: grid; align-content: center; gap: 12px; padding: 24px; border: 1px solid rgba(255,255,255,.18); border-radius: var(--qr-radius); background: rgba(255,255,255,.08); }
.daily-challenge__score span { color: #bdc7d9; font-size: .8rem; font-weight: 750; text-transform: uppercase; }
.daily-challenge__score strong { font-size: 2.35rem; line-height: 1; }
.daily-challenge__score p { margin: 0; color: #fff; font-size: .92rem; }

.faq-layout { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: 40px; }
.faq-layout h2 { margin: 0; font-size: clamp(1.75rem, 3vw, 2.45rem); line-height: 1.15; }
.faq-layout > div > p { color: var(--qr-muted); line-height: 1.65; }
.faq-list { display: grid; gap: 10px; }
.faq-list details { border: 1px solid var(--qr-line); border-radius: 11px; background: #fff; }
.faq-list summary { position: relative; cursor: pointer; padding: 18px 48px 18px 18px; font-weight: 800; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 18px; color: var(--qr-purple); font-size: 1.3rem; }
.faq-list details[open] summary::after { content: "-"; }
.faq-list details p { margin: 0; padding: 0 18px 18px; color: var(--qr-muted); line-height: 1.65; }
.closing-cta { padding: 68px 0; text-align: center; background: #eceaff; }
.closing-cta h2 { max-width: 700px; margin: 0 auto; font-size: clamp(1.9rem, 4vw, 3rem); letter-spacing: 0; }
.closing-cta p { max-width: 590px; margin: 16px auto 0; color: var(--qr-muted); line-height: 1.65; }
.closing-cta .button-primary { margin-top: 24px; }
.riddle-footer { padding: 38px 0 26px; color: #c8cede; background: #111a31; }
.riddle-footer__top { display: grid; grid-template-columns: 1.4fr repeat(2, 1fr); gap: 30px; padding-bottom: 28px; }
.riddle-footer .riddle-brand { color: #fff; }
.riddle-footer p { max-width: 380px; margin: 13px 0 0; color: #aeb9d0; font-size: .9rem; line-height: 1.6; }
.riddle-footer h2 { margin: 0 0 12px; color: #fff; font-size: .96rem; }
.riddle-footer ul { display: grid; gap: 8px; padding: 0; margin: 0; list-style: none; }
.riddle-footer a { color: #c8cede; font-size: .9rem; text-decoration: none; }
.riddle-footer a:hover, .riddle-footer a:focus-visible { color: var(--qr-mint); outline: none; }
.riddle-footer__bottom { padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: #92a0be; font-size: .82rem; }

body.riddle-home[data-theme="dark"] { --qr-ink: #edf1ff; --qr-muted: #b5bfd5; --qr-paper: #11182b; --qr-surface: #1a2440; --qr-line: #31405f; --qr-purple: #9085ff; --qr-purple-deep: #b4adff; background: var(--qr-paper); }
body.riddle-home[data-theme="dark"] .riddle-nav { background: rgba(17, 24, 43, .94); }
body.riddle-home[data-theme="dark"] .riddle-brand { color: #fff; }
body.riddle-home[data-theme="dark"] .riddle-nav__links a, body.riddle-home[data-theme="dark"] .language-select, body.riddle-home[data-theme="dark"] .theme-button { color: #dce4f7; background: #1a2440; }
body.riddle-home[data-theme="dark"] .riddle-nav__links a:hover, body.riddle-home[data-theme="dark"] .riddle-nav__links a:focus-visible { background: #28345b; }
body.riddle-home[data-theme="dark"] .riddle-hero, body.riddle-home[data-theme="dark"] .closing-cta { background: #1b2444; }
body.riddle-home[data-theme="dark"] .hero-puzzle, body.riddle-home[data-theme="dark"] .category-card, body.riddle-home[data-theme="dark"] .riddle-card, body.riddle-home[data-theme="dark"] .faq-list details { background: var(--qr-surface); }
body.riddle-home[data-theme="dark"] .hero-puzzle__hint, body.riddle-home[data-theme="dark"] .riddle-answer { color: #dce4f7; background: #263353; }
body.riddle-home[data-theme="dark"] .button-secondary, body.riddle-home[data-theme="dark"] .riddle-pagination button { color: #e5eaff; border-color: var(--qr-line); background: #1a2440; }
body.riddle-home[data-theme="dark"] .riddle-card summary { color: #e5eaff; border-color: var(--qr-line); }
body.riddle-home[data-theme="dark"] .riddle-section--white { background: #151f37; }
body.riddle-home[data-theme="dark"] .daily-challenge { background: #26365c; }
body.riddle-home[data-theme="dark"] .riddle-menu__panel { background: #1a2440; border-color: var(--qr-line); }
body.riddle-home[data-theme="dark"] .riddle-menu__panel a { color: #dce4f7; }
body.riddle-home[data-theme="dark"] .player-panel, body.riddle-home[data-theme="dark"] .vote-option, body.riddle-home[data-theme="dark"] .player-form input, body.riddle-home[data-theme="dark"] .player-form textarea { color: #e5eaff; background: var(--qr-surface); }
body.riddle-home[data-theme="dark"] .vote-option.is-selected { background: #28345b; }
body.riddle-home[data-theme="dark"] .player-message { background: #263353; }
body.riddle-home[data-theme="dark"] .classic-preview { background: var(--qr-surface); }

@media (max-width: 820px) {
    .riddle-hero__grid, .daily-challenge, .faq-layout, .player-corner { grid-template-columns: 1fr; }
    .riddle-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .classic-preview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero-puzzle { max-width: 510px; margin: 8px auto 0; width: 100%; }
    .riddle-footer__top { grid-template-columns: repeat(2, 1fr); }
    .riddle-footer__top > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
    .riddle-shell { width: min(100% - 24px, 1120px); }
    .riddle-nav__inner { min-height: 61px; }
    .riddle-nav__links { display: none; }
    .riddle-menu { display: block; }
    .riddle-menu summary { cursor: pointer; padding: 9px 10px; border: 1px solid var(--qr-line); border-radius: 8px; color: #3f4a63; font-size: .86rem; font-weight: 750; list-style: none; }
    .riddle-menu summary::-webkit-details-marker { display: none; }
    .riddle-menu__panel { position: absolute; right: 12px; top: 52px; display: grid; width: min(235px, calc(100vw - 24px)); padding: 8px; border: 1px solid var(--qr-line); border-radius: 11px; background: #fff; box-shadow: 0 16px 32px rgba(21, 34, 56, .15); }
    .riddle-menu__panel a { padding: 11px; border-radius: 7px; color: #3f4a63; font-size: .92rem; font-weight: 700; text-decoration: none; }
    .riddle-menu__panel a:hover { color: var(--qr-purple-deep); background: #f0efff; }
    .riddle-hero { padding: 43px 0 36px; }
    .riddle-hero__grid { gap: 31px; }
    .riddle-actions { display: grid; }
    .riddle-actions a { width: 100%; }
    .hero-puzzle { min-height: 264px; padding: 21px; transform: none; }
    .hero-puzzle::before { display: none; }
    .riddle-section { padding: 51px 0; }
    .section-heading { display: block; margin-bottom: 22px; }
    .section-heading p { margin-top: 10px; }
    .riddle-grid, .category-grid { grid-template-columns: 1fr; }
    .classic-preview-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .classic-preview img { height: 108px; }
    .riddle-card { min-height: 220px; }
    .daily-challenge { gap: 22px; padding: 25px 21px; border-radius: var(--qr-radius); }
    .riddle-footer__top { grid-template-columns: 1fr; }
    .riddle-footer__top > :first-child { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}