:root {
  --std-ink: #152242;
  --std-cream: #fffaf0;
  --std-paper: #ffffff;
  --std-pink: #ff5d7d;
  --std-pink-dark: #e63e66;
  --std-yellow: #ffd65a;
  --std-mint: #4fd9b0;
  --std-blue: #5268ff;
  --std-purple: #8e5af7;
  --std-shadow: 0 24px 70px rgba(45, 38, 92, .18);
}

html { scroll-behavior: smooth; }
body { margin: 0; background: #f6f0ff; color: var(--std-ink); }

.std-app,
.std-app * { box-sizing: border-box; }

.std-app button { font: inherit; }
.std-app button:focus-visible { outline: 4px solid rgba(82, 104, 255, .35); outline-offset: 4px; }
.std-app [hidden] { display: none !important; }

.std-app {
  min-height: var(--abz-game-stage-height, 760px);
  width: min(1500px, 100%);
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  color: var(--std-ink);
  font-family: "Nunito", ui-rounded, system-ui, sans-serif;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 214, 90, .6), transparent 24%),
    radial-gradient(circle at 87% 18%, rgba(142, 90, 247, .22), transparent 27%),
    radial-gradient(circle at 80% 90%, rgba(79, 217, 176, .25), transparent 30%),
    linear-gradient(145deg, #fffdf6 0%, #fff4eb 38%, #f1edff 100%);
  border-radius: clamp(0px, 2.4vw, 36px);
}

.std-ambient { position: absolute; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.std-ambient span { position: absolute; border-radius: 50%; opacity: .72; animation: stdFloat 9s ease-in-out infinite; }
.std-ambient span:nth-child(1) { width: 12px; height: 12px; background: var(--std-pink); left: 5%; top: 18%; }
.std-ambient span:nth-child(2) { width: 16px; height: 16px; border: 4px solid var(--std-blue); right: 12%; top: 9%; animation-delay: -4s; }
.std-ambient span:nth-child(3) { width: 22px; height: 22px; background: var(--std-yellow); left: 44%; top: 7%; border-radius: 7px; transform: rotate(18deg); animation-delay: -7s; }
.std-ambient span:nth-child(4) { width: 8px; height: 8px; background: var(--std-mint); right: 7%; bottom: 22%; animation-delay: -2s; }
.std-ambient span:nth-child(5) { width: 18px; height: 18px; border: 5px solid var(--std-pink); left: 10%; bottom: 12%; animation-delay: -5s; }
.std-ambient span:nth-child(6) { width: 9px; height: 9px; background: var(--std-purple); left: 58%; bottom: 8%; animation-delay: -3s; }

.std-utility { position: absolute; right: 22px; top: 20px; display: flex; gap: 10px; z-index: 50; }
.std-icon-button {
  width: 43px; height: 43px; border-radius: 15px; border: 1px solid rgba(21, 34, 66, .12);
  background: rgba(255,255,255,.78); color: var(--std-ink); cursor: pointer; font-weight: 900; font-size: 1.08rem;
  box-shadow: 0 10px 26px rgba(62, 52, 104, .1); backdrop-filter: blur(12px); transition: .2s ease;
}
.std-icon-button:hover { transform: translateY(-2px) rotate(-3deg); background: white; }
.std-icon-button[aria-pressed="false"] { color: #8790a6; }

.std-screen { display: none; min-height: var(--abz-game-stage-height, 760px); padding: clamp(26px, 5vw, 72px); animation: stdScreenIn .5s cubic-bezier(.2,.85,.2,1) both; }
.std-screen.is-active { display: flex; }

.std-screen-start { align-items: center; justify-content: space-between; gap: clamp(32px, 6vw, 90px); }
.std-start-copy { width: min(640px, 52%); position: relative; z-index: 2; }
.std-eyebrow, .std-step-label {
  margin: 0 0 13px; color: #5c6378; text-transform: uppercase; letter-spacing: .18em; font-size: .78rem; font-weight: 900;
}
.std-eyebrow { display: flex; align-items: center; gap: 10px; }
.std-eyebrow span { width: 30px; height: 4px; background: var(--std-pink); border-radius: 999px; }
.std-logo-title { margin: 0; font-family: "Fredoka", ui-rounded, sans-serif; font-size: clamp(4rem, 8.6vw, 8.2rem); line-height: .78; letter-spacing: -.075em; color: var(--std-ink); }
.std-logo-title span, .std-logo-title strong { display: block; }
.std-logo-title span { font-size: .5em; letter-spacing: -.045em; margin: 0 0 .13em .06em; }
.std-logo-title strong {
  color: var(--std-pink); font-weight: 700; transform: rotate(-1.8deg); transform-origin: left center;
  text-shadow: 0 .06em 0 rgba(230, 62, 102, .13); animation: stdTitleWobble 5s ease-in-out infinite;
}
.std-start-lead { max-width: 580px; margin: 28px 0; color: #5c6378; font-size: clamp(1rem, 1.8vw, 1.2rem); line-height: 1.65; font-weight: 700; }

.std-mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.std-mode-card {
  min-height: 112px; position: relative; display: grid; grid-template-columns: 50px 1fr 24px; gap: 13px; align-items: center;
  text-align: left; border: 2px solid transparent; border-radius: 24px; padding: 17px; cursor: pointer; color: var(--std-ink);
  background: rgba(255,255,255,.78); box-shadow: 0 15px 35px rgba(43, 38, 84, .1); transition: .22s ease; overflow: hidden;
}
.std-mode-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 35%, rgba(255,255,255,.68) 50%, transparent 65%); transform: translateX(-110%); transition: transform .65s ease; }
.std-mode-card:hover { transform: translateY(-6px); box-shadow: 0 22px 48px rgba(43, 38, 84, .16); }
.std-mode-card:hover::before { transform: translateX(110%); }
.std-mode-solo:hover { border-color: var(--std-yellow); }
.std-mode-compete:hover { border-color: var(--std-pink); }
.std-card-icon { width: 50px; height: 50px; border-radius: 17px; display: grid; place-items: center; background: #fff0b3; color: #8c6210; font-size: 1.8rem; font-weight: 900; }
.std-mode-compete .std-card-icon { background: #ffe1e8; color: var(--std-pink-dark); }
.std-bot-face, .std-mini-bot { position: relative; }
.std-bot-face::before, .std-mini-bot::before { content: ""; width: 24px; height: 16px; border: 3px solid currentColor; border-radius: 7px; }
.std-bot-face::after, .std-mini-bot::after { content: ""; position: absolute; width: 3px; height: 3px; background: currentColor; border-radius: 50%; box-shadow: 9px 0 currentColor; }
.std-bot-face i, .std-mini-bot i { position: absolute; width: 3px; height: 7px; background: currentColor; top: 8px; }
.std-card-copy { display: flex; flex-direction: column; gap: 5px; }
.std-card-copy strong { font-family: "Fredoka", sans-serif; font-size: 1.15rem; line-height: 1; }
.std-card-copy small { color: #677086; line-height: 1.35; font-weight: 700; }
.std-card-arrow { font-size: 1.3rem; font-weight: 900; transition: transform .2s; }
.std-mode-card:hover .std-card-arrow { transform: translateX(4px); }
.std-assignment-note { margin: 14px 0 0; padding: 11px 14px; border-radius: 14px; background: #eaf7ff; color: #315575; font-weight: 800; }

.std-hero-preview { width: min(610px, 47%); aspect-ratio: 1.05; position: relative; perspective: 1200px; }
.std-preview-card { position: absolute; width: 66%; aspect-ratio: 1.15; border: 10px solid white; border-radius: 28px; overflow: hidden; box-shadow: var(--std-shadow); background: linear-gradient(#8bdcff 0 54%, #bdf08e 54% 100%); }
.std-preview-card-back { left: 0; top: 13%; transform: rotate(-8deg) translateZ(-20px); animation: stdCardFloat 6s ease-in-out infinite; }
.std-preview-card-front { right: 0; bottom: 6%; transform: rotate(5deg); animation: stdCardFloat 6s ease-in-out -3s infinite; }
.std-preview-sun { position: absolute; width: 18%; aspect-ratio: 1; border-radius: 50%; background: var(--std-yellow); right: 12%; top: 10%; box-shadow: 0 0 0 9px rgba(255,214,90,.2); }
.std-preview-sun.is-pink { background: var(--std-pink); }
.std-preview-cloud { position: absolute; width: 22%; height: 7%; left: 12%; top: 19%; border-radius: 999px; background: white; box-shadow: 20px -7px 0 -1px white, 38px 1px 0 -2px white; }
.std-preview-hill { position: absolute; width: 85%; height: 50%; left: -8%; bottom: -25%; border-radius: 50% 50% 0 0; background: #58c785; transform: rotate(6deg); }
.std-preview-tree { position: absolute; width: 9%; height: 31%; left: 65%; bottom: 13%; background: #8e5b37; border-radius: 8px; }
.std-preview-tree::before { content: ""; position: absolute; width: 320%; aspect-ratio: 1; border-radius: 50%; background: #2b9970; left: -110%; top: -55%; }
.std-preview-tree.is-short { height: 23%; }
.std-preview-ring { position: absolute; width: 46px; aspect-ratio: 1; border: 5px solid var(--std-pink); border-radius: 50%; box-shadow: 0 0 0 4px white; animation: stdRingPop 2s ease-in-out infinite; }
.std-preview-ring-a { right: 7%; top: 5%; }
.std-preview-ring-b { left: 59%; bottom: 11%; animation-delay: -.7s; }
.std-preview-glass { position: absolute; right: 10%; top: 4%; width: 125px; aspect-ratio: 1; border: 13px solid var(--std-ink); border-radius: 50%; background: rgba(255,255,255,.23); box-shadow: 0 16px 36px rgba(21,34,66,.24); animation: stdGlass 6s ease-in-out infinite; }
.std-preview-glass::after { content: ""; position: absolute; width: 85px; height: 18px; background: var(--std-ink); border-radius: 999px; right: -64px; bottom: -28px; transform: rotate(49deg); transform-origin: left center; }
.std-preview-glass span { position: absolute; width: 25%; height: 10%; border-radius: 999px; background: rgba(255,255,255,.78); top: 19%; left: 20%; transform: rotate(-35deg); }
.std-preview-found { position: absolute; left: 8%; bottom: 4%; padding: 12px 20px; border-radius: 999px; background: var(--std-ink); color: white; font-family: "Fredoka", sans-serif; font-weight: 700; transform: rotate(-5deg); box-shadow: 0 14px 28px rgba(21,34,66,.25); animation: stdBadge 4s ease-in-out infinite; }
.std-preview-orbit { position: absolute; border: 3px dashed rgba(82,104,255,.25); border-radius: 50%; animation: stdSpin 22s linear infinite; }
.std-preview-orbit-one { width: 88%; aspect-ratio: 1; left: 4%; top: -13%; }
.std-preview-orbit-two { width: 56%; aspect-ratio: 1; right: 3%; bottom: 2%; animation-direction: reverse; }

.std-choice-screen { flex-direction: column; align-items: center; justify-content: center; }
.std-back-button { align-self: flex-start; position: absolute; left: clamp(24px, 5vw, 72px); top: 28px; border: 0; background: transparent; color: #60697e; font-weight: 900; cursor: pointer; padding: 10px; }
.std-back-button:hover { color: var(--std-pink-dark); }
.std-choice-heading { text-align: center; max-width: 800px; margin: 20px auto 28px; }
.std-choice-heading h2 { margin: 0; font-family: "Fredoka", sans-serif; font-size: clamp(2.3rem, 5vw, 4.5rem); line-height: .98; letter-spacing: -.04em; }
.std-choice-heading p:last-child { color: #697187; font-weight: 700; font-size: 1.06rem; margin: 14px auto 0; }
.std-difficulty-grid { width: min(1120px, 100%); display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.std-difficulty-card { min-height: 310px; position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; text-align: left; border: 2px solid rgba(21,34,66,.08); border-radius: 30px; padding: 24px; color: var(--std-ink); background: rgba(255,255,255,.74); cursor: pointer; box-shadow: 0 16px 42px rgba(43,38,84,.1); transition: .25s ease; }
.std-difficulty-card::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: linear-gradient(145deg, rgba(255,255,255,.6), transparent 40%); pointer-events: none; }
.std-difficulty-card:hover { transform: translateY(-8px) rotate(-.5deg); border-color: var(--std-pink); box-shadow: 0 26px 55px rgba(43,38,84,.17); }
.std-difficulty-card.is-featured { background: linear-gradient(150deg, #fff 0%, #f4eeff 100%); border-color: rgba(142,90,247,.28); transform: translateY(-8px); }
.std-difficulty-card.is-featured:hover { transform: translateY(-14px) rotate(.5deg); }
.std-level-number { position: absolute; right: 18px; top: 10px; font-family: "Fredoka", sans-serif; font-size: 4.4rem; color: rgba(21,34,66,.055); font-weight: 700; }
.std-level-chip { position: absolute; top: 18px; left: 18px; padding: 6px 11px; border-radius: 999px; background: #fff2bb; color: #7a5919; font-size: .7rem; font-weight: 900; text-transform: uppercase; letter-spacing: .1em; }
.std-difficulty-card.is-featured .std-level-chip { background: #e9ddff; color: #6840b6; }
.std-difficulty-card:last-child .std-level-chip { background: #ffe0e8; color: #a62d50; }
.std-difficulty-art { align-self: center; width: 200px; height: 115px; position: relative; margin: 10px auto 20px; }
.std-difficulty-art::before { content: ""; position: absolute; width: 112px; height: 80px; left: 36px; top: 18px; border: 8px solid var(--std-ink); border-radius: 50%; opacity: .9; }
.std-difficulty-art::after { content: ""; position: absolute; width: 78px; height: 14px; left: 136px; top: 91px; background: var(--std-ink); border-radius: 999px; transform: rotate(43deg); transform-origin: left center; }
.std-difficulty-art i { position: absolute; z-index: 2; border-radius: 50%; animation: stdDotPulse 2.2s ease-in-out infinite; }
.std-difficulty-art-easy i { width: 17px; height: 17px; background: var(--std-yellow); }
.std-difficulty-art-easy i:nth-child(1) { left: 65px; top: 50px; }
.std-difficulty-art-easy i:nth-child(2) { left: 102px; top: 41px; animation-delay: -.7s; }
.std-difficulty-art-easy i:nth-child(3) { left: 91px; top: 72px; animation-delay: -1.3s; }
.std-difficulty-art-medium i { width: 11px; height: 11px; background: var(--std-purple); }
.std-difficulty-art-medium i:nth-child(1) { left: 59px; top: 44px; }.std-difficulty-art-medium i:nth-child(2) { left: 87px; top: 39px; }.std-difficulty-art-medium i:nth-child(3) { left: 113px; top: 54px; }.std-difficulty-art-medium i:nth-child(4) { left: 75px; top: 72px; }.std-difficulty-art-medium i:nth-child(5) { left: 106px; top: 78px; }
.std-difficulty-art-hard i { width: 7px; height: 7px; background: var(--std-pink); }
.std-difficulty-art-hard i:nth-child(1) { left: 53px; top: 43px; }.std-difficulty-art-hard i:nth-child(2) { left: 76px; top: 36px; }.std-difficulty-art-hard i:nth-child(3) { left: 104px; top: 42px; }.std-difficulty-art-hard i:nth-child(4) { left: 118px; top: 66px; }.std-difficulty-art-hard i:nth-child(5) { left: 91px; top: 77px; }.std-difficulty-art-hard i:nth-child(6) { left: 65px; top: 69px; }
.std-difficulty-copy { display: flex; flex-direction: column; gap: 5px; position: relative; z-index: 2; }
.std-difficulty-copy strong { font-family: "Fredoka", sans-serif; font-size: 1.55rem; }
.std-difficulty-copy small { color: #697187; font-weight: 800; }
.std-bot-warning { width: min(760px, 100%); margin: 22px auto 0; display: flex; align-items: center; justify-content: center; gap: 14px; color: #744159; background: rgba(255,225,232,.75); border: 1px solid rgba(255,93,125,.22); border-radius: 18px; padding: 12px 18px; }
.std-bot-warning p { margin: 0; font-size: .93rem; }
.std-mini-bot { width: 37px; height: 32px; display: grid; place-items: center; flex: 0 0 auto; color: var(--std-pink-dark); }

.std-skill-grid { width: min(940px, 100%); display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.std-skill-card { position: relative; display: grid; grid-template-columns: 62px 1fr auto; align-items: center; gap: 16px; min-height: 105px; padding: 17px 19px; border: 2px solid rgba(21,34,66,.08); border-radius: 24px; background: rgba(255,255,255,.78); color: var(--std-ink); text-align: left; cursor: pointer; transition: .22s ease; box-shadow: 0 12px 30px rgba(43,38,84,.08); }
.std-skill-card:last-child { grid-column: 1 / -1; width: calc(50% - 7px); justify-self: center; }
.std-skill-card:hover { transform: translateY(-5px); border-color: var(--skill-color, var(--std-pink)); box-shadow: 0 20px 40px rgba(43,38,84,.14); }
.std-skill-card > span:nth-child(2) { display: flex; flex-direction: column; }
.std-skill-card strong { font-family: "Fredoka", sans-serif; font-size: 1.25rem; }
.std-skill-card small { color: #6a7287; font-weight: 700; margin-top: 3px; }
.std-skill-card b { align-self: flex-start; padding: 5px 9px; border-radius: 999px; font-size: .68rem; background: #eef0f8; color: #6b7287; }
.std-skill-icon { width: 62px; aspect-ratio: 1; border-radius: 19px; display: grid !important; place-items: center; color: var(--skill-color); background: color-mix(in srgb, var(--skill-color) 14%, white); font-family: "Fredoka", sans-serif; font-size: 1.45rem; font-weight: 700; }
.std-skill-phonics { --skill-color: #e2623e; }.std-skill-vocabulary { --skill-color: #7853db; }.std-skill-main-idea { --skill-color: #278ca4; }.std-skill-inferences { --skill-color: #bd3e76; }.std-skill-grammar { --skill-color: #24896c; }

.std-question-screen, .std-puzzle-screen { flex-direction: column; padding: clamp(18px, 3vw, 38px); background: radial-gradient(circle at 50% 0%, rgba(255,255,255,.9), transparent 35%); }
.std-game-header { min-height: 68px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; margin-bottom: 24px; }
.std-wordmark { justify-self: start; border: 0; padding: 8px 0; background: transparent; color: var(--std-ink); font-family: "Fredoka", sans-serif; font-size: 1.08rem; font-weight: 600; cursor: pointer; }
.std-wordmark strong { color: var(--std-pink); }
.std-round-progress { min-width: 260px; text-align: center; color: #6a7287; font-weight: 900; font-size: .76rem; text-transform: uppercase; letter-spacing: .09em; }
.std-round-progress > div, .std-found-meter > div { height: 8px; background: rgba(21,34,66,.09); border-radius: 999px; overflow: hidden; margin-top: 7px; }
.std-round-progress i, .std-found-meter i { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--std-pink), var(--std-yellow)); transition: width .45s cubic-bezier(.2,.8,.2,1); }
.std-score-strip { justify-self: end; display: grid; grid-template-columns: 70px 36px 70px; align-items: stretch; background: rgba(255,255,255,.8); border: 1px solid rgba(21,34,66,.1); padding: 6px; border-radius: 18px; box-shadow: 0 10px 28px rgba(43,38,84,.09); }
.std-score-strip > span { display: flex; flex-direction: column; text-align: center; justify-content: center; }
.std-score-strip small { color: #788096; font-size: .65rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.std-score-strip strong { font-family: "Fredoka", sans-serif; font-size: 1.35rem; line-height: 1; }
.std-human-score { background: #e5fbf4; color: #168365; border-radius: 12px; }.std-computer-score { background: #ffe8ed; color: var(--std-pink-dark); border-radius: 12px; }
.std-versus { color: #8b91a3; font-size: .65rem; font-weight: 900; }
.std-question-screen[data-mode="solo"] .std-score-strip, .std-puzzle-screen[data-mode="solo"] .std-score-strip { grid-template-columns: 92px; }
.std-question-screen[data-mode="solo"] .std-versus, .std-question-screen[data-mode="solo"] .std-computer-score,
.std-puzzle-screen[data-mode="solo"] .std-versus, .std-puzzle-screen[data-mode="solo"] .std-computer-score { display: none; }

.std-question-card { width: min(920px, 100%); margin: auto; padding: clamp(24px, 4vw, 52px); border-radius: 34px; background: rgba(255,255,255,.86); border: 1px solid rgba(21,34,66,.09); box-shadow: var(--std-shadow); position: relative; overflow: hidden; }
.std-question-card::before { content: "?"; position: absolute; right: 24px; bottom: -60px; font-family: "Fredoka", sans-serif; font-size: 15rem; line-height: 1; color: rgba(82,104,255,.045); transform: rotate(12deg); }
.std-question-topline { display: flex; justify-content: space-between; align-items: center; gap: 12px; position: relative; z-index: 1; }
.std-question-skill, .std-question-streak { display: inline-flex; padding: 7px 12px; border-radius: 999px; background: #eee9ff; color: #6741b9; text-transform: uppercase; letter-spacing: .09em; font-size: .7rem; font-weight: 900; }
.std-question-streak { background: #fff1b8; color: #7c5d19; }
.std-question-kicker { margin: 30px 0 8px; color: var(--std-pink-dark); text-transform: uppercase; letter-spacing: .13em; font-weight: 900; font-size: .76rem; }
.std-question-card h2 { position: relative; z-index: 1; margin: 0 0 28px; font-family: "Fredoka", sans-serif; font-size: clamp(1.7rem, 3.4vw, 3rem); line-height: 1.18; letter-spacing: -.025em; }
.std-answer-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.std-answer-button { min-height: 68px; padding: 14px 17px; display: grid; grid-template-columns: 34px 1fr; align-items: center; gap: 12px; border: 2px solid #e5e6ef; border-radius: 18px; background: white; color: var(--std-ink); cursor: pointer; text-align: left; font-weight: 900; transition: .18s ease; }
.std-answer-button span { width: 34px; aspect-ratio: 1; border-radius: 11px; display: grid; place-items: center; background: #f1f2f7; color: #687187; font-family: "Fredoka", sans-serif; }
.std-answer-button:hover:not(:disabled) { transform: translateY(-3px); border-color: var(--std-blue); box-shadow: 0 12px 26px rgba(82,104,255,.12); }
.std-answer-button.is-wrong { border-color: #ff9cb0; background: #fff1f4; animation: stdShake .35s ease; }
.std-answer-button.is-correct { border-color: var(--std-mint); background: #eafff8; }
.std-answer-button:disabled { cursor: default; }
.std-question-feedback { min-height: 27px; margin: 17px 0 0; font-weight: 900; color: #6b7286; position: relative; z-index: 1; }
.std-question-feedback.is-wrong { color: var(--std-pink-dark); }.std-question-feedback.is-correct { color: #168365; }

.std-puzzle-screen { overflow: visible; }
.std-puzzle-header { margin-bottom: 12px; }
.std-puzzle-title-wrap { text-align: center; }
.std-scene-kicker { display: block; color: var(--std-pink-dark); text-transform: uppercase; letter-spacing: .11em; font-size: .66rem; font-weight: 900; }
.std-puzzle-title-wrap h2 { margin: 2px 0 0; font-family: "Fredoka", sans-serif; font-size: clamp(1.55rem, 3vw, 2.35rem); }
.std-puzzle-toolbar { display: grid; grid-template-columns: 230px 1fr 230px; align-items: center; gap: 18px; margin-bottom: 12px; }
.std-found-meter > span { display: block; font-size: .78rem; font-weight: 900; color: #667086; text-transform: uppercase; letter-spacing: .05em; }
.std-puzzle-toolbar > p { text-align: center; margin: 0; color: #697187; font-weight: 800; }
.std-bot-status { justify-self: end; display: flex; align-items: center; gap: 8px; color: var(--std-pink-dark); font-size: .76rem; }
.std-bot-status .std-mini-bot { width: 30px; height: 30px; animation: stdBotScan 1.2s ease-in-out infinite; }
.std-board-grid { width: min(1280px, 100%); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(12px, 2vw, 24px); }
.std-board-wrap { margin: 0; min-width: 0; }
.std-board-wrap figcaption { display: flex; justify-content: space-between; align-items: center; margin: 0 6px 7px; color: #677086; text-transform: uppercase; letter-spacing: .11em; font-size: .68rem; font-weight: 900; }
.std-board-wrap figcaption span { color: var(--std-pink-dark); }.std-board-wrap figcaption i { color: #8890a2; font-style: normal; }
.std-board { position: relative; aspect-ratio: 4 / 3; overflow: hidden; border: 8px solid rgba(255,255,255,.95); border-radius: clamp(18px, 2vw, 28px); background: var(--scene-bg, linear-gradient(#8edcff 0 60%, #bce889 60%)); box-shadow: 0 18px 50px rgba(43,38,84,.17); cursor: crosshair; touch-action: manipulation; user-select: none; isolation: isolate; }
.std-board::after { content: ""; position: absolute; inset: 0; z-index: 30; pointer-events: none; background: linear-gradient(105deg, transparent 42%, rgba(255,255,255,.25) 50%, transparent 58%); transform: translateX(-110%); animation: stdSceneShine 7s ease-in-out infinite; }
.std-board.is-miss { animation: stdShake .32s ease; }
.std-object { --x: 50; --y: 50; --w: 10; --h: 10; --c: #fff; --c2: #ccd; position: absolute; left: calc(var(--x) * 1%); top: calc(var(--y) * 1%); width: calc(var(--w) * 1%); height: calc(var(--h) * 1%); transform: translate(-50%, -50%) rotate(calc(var(--rot, 0) * 1deg)); opacity: var(--opacity, 1); transition: .25s ease; z-index: var(--z, 2); pointer-events: none; }
.std-shape-orb { border-radius: 50%; background: var(--c); box-shadow: inset -10px -10px 0 rgba(21,34,66,.09), 0 0 0 calc(var(--halo, 0) * 1px) rgba(255,255,255,.16); }
.std-shape-cloud { border-radius: 999px; background: var(--c); box-shadow: calc(var(--w) * .26 * 1vw) calc(var(--h) * -.15 * 1vw) 0 calc(var(--h) * -.03 * 1vw) var(--c), calc(var(--w) * -.22 * 1vw) calc(var(--h) * -.05 * 1vw) 0 calc(var(--h) * -.08 * 1vw) var(--c); }
.std-shape-hill { border-radius: 50% 50% 0 0; background: var(--c); }
.std-shape-tree { background: transparent; }
.std-shape-tree::before { content: ""; position: absolute; width: 92%; aspect-ratio: 1; left: 4%; top: -8%; border-radius: 48% 52% 45% 55%; background: var(--c); box-shadow: 1.05em .34em 0 -.1em var(--c2); }
.std-shape-tree::after { content: ""; position: absolute; width: 22%; height: 78%; left: 39%; bottom: 0; border-radius: 999px; background: #875637; }
.std-shape-house { background: var(--c); border-radius: 7px; border: 2px solid rgba(21,34,66,.1); }
.std-shape-house::before { content: ""; position: absolute; left: -12%; top: -38%; width: 124%; height: 50%; background: var(--c2); clip-path: polygon(50% 0,100% 100%,0 100%); }
.std-shape-house::after { content: ""; position: absolute; width: 21%; height: 42%; left: 40%; bottom: 0; border-radius: 5px 5px 0 0; background: var(--accent, #6f4933); }
.std-shape-flower { border-radius: 50%; background: var(--c2); font-size: clamp(5px, 1vw, 12px); box-shadow: 0 -.7em 0 var(--c), .66em -.2em 0 var(--c), .42em .58em 0 var(--c), -.42em .58em 0 var(--c), -.66em -.2em 0 var(--c); }
.std-shape-star { background: var(--c); clip-path: polygon(50% 0,61% 35%,98% 35%,68% 56%,79% 92%,50% 70%,21% 92%,32% 56%,2% 35%,39% 35%); filter: drop-shadow(0 0 7px color-mix(in srgb, var(--c) 65%, transparent)); }
.std-shape-planet { border-radius: 50%; background: linear-gradient(145deg, var(--c), var(--c2)); box-shadow: inset -12px -10px 0 rgba(21,34,66,.14); }
.std-shape-planet::after { content: ""; position: absolute; width: 142%; height: 34%; left: -21%; top: 31%; border: 4px solid var(--accent, #fff); border-radius: 50%; transform: rotate(-12deg); }
.std-shape-rocket { background: var(--c); border-radius: 50% 50% 18% 18%; }
.std-shape-rocket::before { content: ""; position: absolute; width: 45%; aspect-ratio: 1; border-radius: 50%; background: var(--c2); border: 3px solid rgba(21,34,66,.15); left: 27%; top: 22%; }
.std-shape-rocket::after { content: ""; position: absolute; width: 55%; height: 46%; left: 23%; bottom: -31%; background: linear-gradient(var(--std-yellow), var(--std-pink)); clip-path: polygon(15% 0,85% 0,50% 100%); animation: stdFlame .4s ease-in-out infinite alternate; }
.std-shape-crystal { background: linear-gradient(145deg, rgba(255,255,255,.8), var(--c)); clip-path: polygon(50% 0,100% 35%,80% 100%,20% 100%,0 35%); filter: drop-shadow(0 4px 6px rgba(21,34,66,.18)); }
.std-shape-mushroom { background: transparent; }
.std-shape-mushroom::before { content: ""; position: absolute; width: 100%; height: 58%; left: 0; top: 0; border-radius: 50% 50% 18% 18%; background: var(--c); box-shadow: inset 0 -5px 0 rgba(21,34,66,.08); }
.std-shape-mushroom::after { content: ""; position: absolute; width: 36%; height: 62%; left: 32%; bottom: 0; border-radius: 35% 35% 18% 18%; background: var(--c2); }
.std-shape-building { background: linear-gradient(90deg, var(--c), color-mix(in srgb, var(--c) 70%, #263352)); border-radius: 5px 5px 0 0; border: 2px solid rgba(21,34,66,.14); }
.std-shape-building::after { content: ""; position: absolute; inset: 12% 18%; background: repeating-linear-gradient(90deg, var(--c2) 0 18%, transparent 18% 40%), repeating-linear-gradient(0deg, var(--c2) 0 12%, transparent 12% 29%); }
.std-shape-sign { background: var(--c); border: 3px solid rgba(21,34,66,.2); border-radius: 8px; }
.std-shape-sign::after { content: ""; position: absolute; width: 11%; height: 90%; background: #694631; left: 45%; top: 95%; }
.std-shape-balloon { border-radius: 50% 50% 46% 46%; background: var(--c); box-shadow: inset -8px -5px 0 rgba(21,34,66,.08); }
.std-shape-balloon::after { content: ""; position: absolute; width: 2px; height: 100%; background: rgba(21,34,66,.38); left: 50%; top: 94%; }

.std-marker { position: absolute; z-index: 40; width: calc(var(--r) * 2%); aspect-ratio: 1; left: calc(var(--x) * 1%); top: calc(var(--y) * 1%); transform: translate(-50%,-50%); border: clamp(3px,.45vw,6px) solid var(--marker-color); border-radius: 50%; box-shadow: 0 0 0 3px rgba(255,255,255,.9), 0 0 22px var(--marker-color); pointer-events: none; animation: stdMarkerPop .38s cubic-bezier(.2,1.5,.4,1) both; }
.std-marker::after { content: var(--marker-label); position: absolute; right: -9px; top: -11px; min-width: 24px; height: 24px; display: grid; place-items: center; padding: 0 4px; border-radius: 999px; background: var(--marker-color); color: white; font: 900 12px/1 "Nunito", sans-serif; box-shadow: 0 3px 8px rgba(21,34,66,.2); }
.std-hotspot { position: absolute; z-index: 25; width: calc(var(--r) * 2%); aspect-ratio: 1; left: calc(var(--x) * 1%); top: calc(var(--y) * 1%); transform: translate(-50%,-50%); opacity: 0; border-radius: 50%; border: 0; cursor: pointer; }
.std-hotspot:focus-visible { opacity: 1; background: rgba(255,255,255,.14); outline: 4px dashed var(--std-blue); }
.std-puzzle-tip { margin: 10px 0 0; text-align: center; color: #7b8295; font-weight: 800; font-size: .78rem; }

.std-round-modal { position: absolute; inset: 0; z-index: 80; display: grid; place-items: center; background: rgba(21,34,66,.52); backdrop-filter: blur(10px); padding: 20px; }
.std-round-card { width: min(480px, 100%); position: relative; z-index: 2; text-align: center; padding: 38px; border-radius: 32px; background: #fffdf8; box-shadow: 0 30px 90px rgba(21,34,66,.36); animation: stdRoundIn .55s cubic-bezier(.2,1.25,.35,1) both; }
.std-round-badge { width: 78px; aspect-ratio: 1; display: grid; place-items: center; margin: -78px auto 18px; border: 8px solid white; border-radius: 50%; background: linear-gradient(145deg, var(--std-yellow), #ffb544); color: white; font-size: 2.3rem; box-shadow: 0 13px 28px rgba(255,181,68,.35); animation: stdBadge 2s ease-in-out infinite; }
.std-round-kicker { margin: 0 0 5px; color: var(--std-pink-dark); text-transform: uppercase; letter-spacing: .13em; font-size: .72rem; font-weight: 900; }
.std-round-card h2 { margin: 0; font-family: "Fredoka", sans-serif; font-size: 2.5rem; }
.std-round-card > p:not(.std-round-kicker) { color: #687087; font-weight: 700; }
.std-round-score { display: flex; justify-content: center; gap: 12px; margin: 20px 0 26px; }
.std-round-score span { min-width: 110px; padding: 12px; border-radius: 16px; background: #f0f2f7; font-weight: 900; }
.std-primary-button, .std-secondary-button { min-height: 52px; padding: 13px 22px; border-radius: 17px; border: 0; font-weight: 900; cursor: pointer; transition: .2s ease; }
.std-primary-button { color: white; background: linear-gradient(135deg, var(--std-pink), #ff7f60); box-shadow: 0 12px 26px rgba(255,93,125,.28); }
.std-primary-button:hover { transform: translateY(-3px); box-shadow: 0 17px 32px rgba(255,93,125,.36); }
.std-primary-button span { margin-left: 8px; }
.std-secondary-button { color: var(--std-ink); background: #eef0f6; }
.std-secondary-button:hover { background: #e3e5ee; transform: translateY(-2px); }

.std-confetti { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.std-confetti i { position: absolute; top: -12%; width: 10px; height: 18px; border-radius: 3px; background: var(--confetti-color); left: var(--confetti-left); animation: stdConfetti var(--confetti-time) linear var(--confetti-delay) infinite; }
.std-results-screen { align-items: center; justify-content: center; text-align: center; }
.std-results-card { width: min(720px, 100%); position: relative; z-index: 2; padding: clamp(30px, 5vw, 62px); border-radius: 36px; background: rgba(255,255,255,.9); border: 1px solid rgba(21,34,66,.08); box-shadow: var(--std-shadow); }
.std-results-emblem { width: 112px; aspect-ratio: 1; margin: -106px auto 22px; display: grid; place-items: center; border: 10px solid #fff; border-radius: 38% 62% 56% 44%; background: linear-gradient(145deg, var(--std-yellow), #ff9f57); transform: rotate(-7deg); box-shadow: 0 18px 38px rgba(255,159,87,.3); animation: stdBadge 3s ease-in-out infinite; }
.std-results-emblem span { color: white; font-size: 3rem; transform: rotate(7deg); }
.std-results-card h2 { margin: 0; font-family: "Fredoka", sans-serif; font-size: clamp(2.6rem, 6vw, 5rem); line-height: 1; letter-spacing: -.05em; }
.std-results-subtitle { color: #697187; font-size: 1.05rem; line-height: 1.5; font-weight: 700; }
.std-results-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 26px 0; }
.std-results-stats div { padding: 18px 10px; border-radius: 20px; background: #f3f1ff; }
.std-results-stats div:first-child { background: #e7fbf5; }.std-results-stats div:nth-child(2) { background: #ffe7ed; }.std-results-stats div:last-child { background: #fff3c8; }
.std-results-stats strong { display: block; font-family: "Fredoka", sans-serif; font-size: 2rem; }
.std-results-stats span { color: #71798d; text-transform: uppercase; letter-spacing: .08em; font-size: .65rem; font-weight: 900; }
.std-results-actions { display: flex; justify-content: center; gap: 12px; }

.std-toast { position: fixed; left: 50%; bottom: 28px; z-index: 120; min-width: 220px; max-width: calc(100% - 40px); transform: translate(-50%, 30px); opacity: 0; pointer-events: none; padding: 12px 18px; border-radius: 999px; background: var(--std-ink); color: white; text-align: center; font-weight: 900; box-shadow: 0 14px 35px rgba(21,34,66,.3); transition: .25s ease; }
.std-toast.is-visible { transform: translate(-50%, 0); opacity: 1; }
.std-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; }

@keyframes stdScreenIn { from { opacity: 0; transform: translateY(18px) scale(.99); } to { opacity: 1; transform: none; } }
@keyframes stdFloat { 0%,100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-18px) rotate(8deg); } }
@keyframes stdTitleWobble { 0%,100% { transform: rotate(-1.8deg) scale(1); } 50% { transform: rotate(.5deg) scale(1.015); } }
@keyframes stdCardFloat { 0%,100% { translate: 0 0; } 50% { translate: 0 -13px; } }
@keyframes stdGlass { 0%,100% { transform: translate(0,0) rotate(-7deg); } 50% { transform: translate(-38px,38px) rotate(5deg); } }
@keyframes stdRingPop { 0%,100% { scale: .92; } 50% { scale: 1.12; } }
@keyframes stdBadge { 0%,100% { translate: 0 0; } 50% { translate: 0 -7px; } }
@keyframes stdSpin { to { transform: rotate(360deg); } }
@keyframes stdDotPulse { 0%,100% { scale: 1; opacity: .8; } 50% { scale: 1.45; opacity: 1; } }
@keyframes stdBotScan { 0%,100% { transform: translateX(-3px); } 50% { transform: translateX(3px); } }
@keyframes stdSceneShine { 0%,62% { transform: translateX(-115%); } 82%,100% { transform: translateX(115%); } }
@keyframes stdFlame { from { transform: scaleY(.8); } to { transform: scaleY(1.15); } }
@keyframes stdMarkerPop { from { opacity: 0; transform: translate(-50%,-50%) scale(.2) rotate(-35deg); } to { opacity: 1; transform: translate(-50%,-50%) scale(1); } }
@keyframes stdShake { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
@keyframes stdRoundIn { from { opacity: 0; transform: translateY(40px) scale(.78) rotate(-3deg); } to { opacity: 1; transform: none; } }
@keyframes stdConfetti { to { transform: translateY(120vh) rotate(540deg); } }

@media (max-width: 980px) {
  .std-screen-start { flex-direction: column; justify-content: center; text-align: center; padding-top: 76px; }
  .std-start-copy { width: min(680px, 100%); }.std-eyebrow { justify-content: center; }.std-start-lead { margin-left: auto; margin-right: auto; }
  .std-hero-preview { width: min(500px, 80%); min-height: 390px; order: -1; display: none; }
  .std-difficulty-grid { gap: 13px; }.std-difficulty-card { min-height: 275px; padding: 18px; }.std-difficulty-art { transform: scale(.82); margin: 0 auto 5px; }
  .std-board { border-width: 6px; }
}

@media (max-width: 760px) {
  .std-app { border-radius: 0; }
  .std-screen { padding: 74px 16px 28px; min-height: 720px; }
  .std-logo-title { font-size: clamp(3.6rem, 18vw, 6rem); }
  .std-mode-grid, .std-difficulty-grid, .std-skill-grid, .std-answer-grid { grid-template-columns: 1fr; }
  .std-mode-card { min-height: 98px; }
  .std-difficulty-card, .std-difficulty-card.is-featured { min-height: 170px; transform: none; padding: 18px 18px 18px 145px; justify-content: center; }
  .std-difficulty-card:hover, .std-difficulty-card.is-featured:hover { transform: translateY(-4px); }
  .std-difficulty-art { position: absolute; left: -13px; top: 40px; transform: scale(.63); transform-origin: top center; margin: 0; }
  .std-level-number { font-size: 3.2rem; }.std-level-chip { left: auto; right: 13px; }
  .std-skill-card:last-child { grid-column: auto; width: 100%; }
  .std-back-button { left: 11px; top: 20px; }
  .std-game-header { grid-template-columns: 1fr auto; margin-top: 35px; }.std-round-progress, .std-puzzle-title-wrap { grid-column: 1 / -1; grid-row: 2; min-width: 0; }.std-score-strip { grid-column: 2; grid-row: 1; }
  .std-question-card { border-radius: 24px; padding: 23px 17px; }.std-question-card h2 { font-size: 1.65rem; }
  .std-puzzle-screen { padding: 64px 10px 22px; }
  .std-puzzle-toolbar { grid-template-columns: 1fr auto; }.std-puzzle-toolbar > p { display: none; }.std-bot-status { grid-column: 2; }
  .std-board-grid { gap: 8px; }.std-board { border-width: 4px; border-radius: 14px; }.std-board-wrap figcaption { margin-left: 2px; margin-right: 2px; }
  .std-round-card { padding: 34px 20px; }.std-results-card { padding: 45px 18px 28px; }.std-results-emblem { width: 90px; margin-top: -88px; }
  .std-results-stats { gap: 7px; }.std-results-stats div { padding: 13px 5px; }.std-results-stats strong { font-size: 1.55rem; }
}

@media (max-width: 470px) {
  .std-mode-card { grid-template-columns: 44px 1fr 18px; padding: 14px; }.std-card-icon { width: 44px; height: 44px; }
  .std-puzzle-toolbar { display: flex; justify-content: space-between; }.std-found-meter { flex: 1; }.std-bot-status b { display: none; }
  .std-board-grid { grid-template-columns: 1fr; }.std-board-wrap:first-child { display: none; }.std-board-wrap:last-child figcaption::after { content: " • original hidden on small screens"; color: #8a90a0; }
  .std-board { aspect-ratio: 4/3; }.std-puzzle-tip { margin-top: 7px; }
  .std-results-actions { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .std-app *, .std-app *::before, .std-app *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .001ms !important; }
}