.kid-page { width: min(100% - 2rem, 920px); margin: 0 auto; padding: 2rem 0 4rem; }
.kid-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin: 0 0 1.5rem; color: var(--text-secondary); font-size: .9rem; }
.kid-breadcrumb a { color: var(--primary-color); text-decoration: none; }
.kid-intro { margin-bottom: 1.5rem; }
.kid-intro h1 { margin: .45rem 0 .55rem; font-size: clamp(2rem, 5vw, 3rem); line-height: 1.12; color: var(--text-primary); }
.kid-intro p { max-width: 700px; color: var(--text-secondary); }
.kid-tool-card, .kid-info, .kid-related { padding: clamp(1rem, 4vw, 1.75rem); border: 1px solid var(--border-color); border-radius: var(--radius-lg); background: var(--bg-primary); box-shadow: var(--shadow-md); }
.kid-tool-card { min-height: 230px; }
.kid-info, .kid-related { margin-top: 1.25rem; }
.kid-info h2, .kid-related h2 { margin: 0 0 .75rem; font-size: 1.2rem; color: var(--text-primary); }
.kid-info p { color: var(--text-secondary); line-height: 1.7; }
.kid-info .kid-note { margin-top: .75rem; font-size: .9rem; }
.kid-form { display: grid; gap: 1rem; max-width: 620px; }
.kid-form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .85rem; }
.kid-form label { display: grid; gap: .4rem; color: var(--text-primary); font-size: .92rem; font-weight: 700; }
.kid-form input, .kid-form select { width: 100%; min-height: 2.9rem; padding: .7rem .8rem; border: 1px solid var(--border-color); border-radius: .7rem; background: var(--bg-primary); color: var(--text-primary); font: inherit; }
.kid-actions { display: flex; flex-wrap: wrap; gap: .65rem; }
.kid-result { margin-top: 1rem; padding: 1rem; border: 1px solid var(--border-color); border-radius: .9rem; background: var(--bg-secondary); color: var(--text-primary); }
.kid-result:empty { display: none; }
.kid-result h3 { margin: 0 0 .6rem; }
.kid-result strong { color: var(--primary-color); }
.kid-question-list { display: grid; gap: .65rem; margin: 1rem 0; padding: 0; list-style: none; }
.kid-question { display: grid; grid-template-columns: minmax(0, 1fr) minmax(100px, 160px); align-items: center; gap: .75rem; padding: .75rem; border-radius: .7rem; background: var(--bg-secondary); }
.kid-question label { font-weight: 750; color: var(--text-primary); }
.kid-question input { width: 100%; min-height: 2.65rem; padding: .5rem .7rem; border: 1px solid var(--border-color); border-radius: .55rem; background: var(--bg-primary); color: var(--text-primary); font: inherit; }
.kid-question-list .kid-answer-key { grid-column: 1 / -1; color: #b44a40; font-size: .85rem; font-weight: 750; }
.kid-question input:disabled { opacity: .75; }
.kid-form button:disabled { cursor: default; opacity: .65; }
.kid-feedback.is-correct { color: #16835d; }
.kid-feedback.is-incorrect { color: #b44a40; }
.kid-feedback { min-height: 1.5em; color: var(--text-secondary); font-weight: 700; }
.kid-planet-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(145px, 1fr)); gap: .7rem; margin-top: 1rem; }
.kid-planet { padding: .85rem; border: 1px solid var(--border-color); border-radius: .8rem; background: var(--bg-secondary); }
.kid-planet strong, .kid-planet span { display: block; }
.kid-planet span { margin-top: .2rem; color: var(--text-secondary); font-size: .86rem; }
.kid-coin { display: grid; justify-items: start; gap: .85rem; }
.kid-coin-face { display: grid; width: 120px; aspect-ratio: 1; place-items: center; border: 5px solid #e9a930; border-radius: 50%; background: linear-gradient(145deg, #ffe6a8, #f2b644); color: #51380c; font-size: 1rem; font-weight: 900; box-shadow: 0 8px 20px #cf9b3933; }
.kid-related-list { display: flex; flex-wrap: wrap; gap: .6rem; }
.kid-related-list a { padding: .55rem .8rem; border: 1px solid var(--border-color); border-radius: 999px; color: var(--primary-color); text-decoration: none; font-weight: 700; }
.kid-related-list a:hover { border-color: var(--accent-color); background: var(--accent-soft); }
.dark-mode .kid-coin-face { color: #332507; }
.kid-zone-site { min-height: 100vh; background-color: #fbfaff; background-image: radial-gradient(ellipse at 8% 15%, #ffdfaa66, transparent 34rem), radial-gradient(ellipse at 94% 23%, #c9eaff77, transparent 32rem), radial-gradient(ellipse at 52% 70%, #e5d7ff55, transparent 42rem); }
.kid-zone-site.dark-mode { background-color: var(--bg-primary); background-image: radial-gradient(ellipse at 8% 15%, #9b632733, transparent 34rem), radial-gradient(ellipse at 94% 23%, #285f8033, transparent 32rem), radial-gradient(ellipse at 52% 70%, #563f7933, transparent 42rem); }
.kid-zone-site .kid-page { isolation: isolate; }
.kid-zone-site .kid-page::before, .kid-zone-site .kid-page::after { position: absolute; z-index: -1; content: ""; pointer-events: none; animation: kid-float 7s ease-in-out infinite; }
.kid-zone-site .kid-page::before { top: 160px; left: -4rem; width: 5.5rem; height: 5.5rem; border-radius: 34% 66% 62% 38% / 40% 42% 58% 60%; background: linear-gradient(145deg, #ffc75e88, #ff8e6688); }
.kid-zone-site .kid-page::after { top: 340px; right: -2rem; width: 4rem; height: 4rem; border-radius: 1.1rem; background: linear-gradient(145deg, #88d8ef99, #ac9af499); transform: rotate(18deg); animation-delay: -3s; }
.kid-zone-site .kid-intro .section-label { background: #fff0c9; color: #9a5d00; }
.kid-zone-site.dark-mode .kid-intro .section-label { background: #523e20; color: #ffdc8a; }
.kid-zone-site .kid-intro h1 { background: linear-gradient(100deg, var(--text-primary) 10%, #7858ca 60%, #e08a25 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.kid-zone-site .kid-tool-card, .kid-zone-site .kid-info, .kid-zone-site .kid-related { border-radius: 1.35rem; box-shadow: 0 16px 40px #584b8612; animation: kid-card-in .55s cubic-bezier(.2,.8,.2,1) both; }
.kid-zone-site .kid-tool-card { border-color: #dcd6fa; background: linear-gradient(145deg, color-mix(in srgb, var(--bg-primary) 94%, #f1ebff), var(--bg-primary) 72%); }
.kid-zone-site.dark-mode .kid-tool-card { border-color: #41375f; }
.kid-zone-site .kid-info { animation-delay: .08s; }
.kid-zone-site .kid-related { animation-delay: .14s; }
.kid-zone-site .kid-tool-card .calc-btn { border: 0; border-radius: 999px; padding: .75rem 1.15rem; background: linear-gradient(110deg, #7358d5, #4a83d8); color: #fff; font-weight: 800; box-shadow: 0 7px 18px #6758bd35; transition: transform .18s ease, box-shadow .18s ease; }
.kid-zone-site .kid-tool-card .calc-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 22px #6758bd4a; }
.kid-zone-site .kid-form input:focus, .kid-zone-site .kid-form select:focus, .kid-zone-site .kid-question input:focus { border-color: #8e77e6; box-shadow: 0 0 0 3px #8e77e626; outline: none; }
.kid-zone-site .kid-related-list a { background: color-mix(in srgb, var(--bg-primary) 75%, #f5efff); }
.kid-game-intro { display: flex; align-items: center; gap: 1.1rem; padding: 1rem; border: 1px solid #eedcfa; border-radius: 1.1rem; background: linear-gradient(115deg, #fff4d8, #f4ecff 62%, #e9f8ff); }
.kid-game-mascot { display: grid; flex: 0 0 4.25rem; width: 4.25rem; height: 4.25rem; place-items: center; border-radius: 1.35rem; background: #fff; font-size: 2.45rem; box-shadow: 0 6px 18px #7d61ad1e; animation: kid-bob 2.4s ease-in-out infinite; }
.kid-game-kicker { color: #7858ca; font-size: .7rem; font-weight: 900; letter-spacing: .12em; }
.kid-game-intro h2 { margin: .1rem 0 .2rem; color: #282247; font-size: 1.4rem; }
.kid-game-intro p { margin: 0; color: #625c76; font-size: .91rem; }
.kid-game-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .65rem; margin: .85rem 0; }
.kid-game-stats > div { display: grid; gap: .2rem; padding: .65rem .75rem; border: 1px solid var(--border-color); border-radius: .85rem; background: var(--bg-primary); text-align: center; }
.kid-game-stats span { color: var(--text-secondary); font-size: .62rem; font-weight: 900; letter-spacing: .08em; }
.kid-game-stats strong { color: #7358d5; font-size: 1.15rem; }
.kid-timer-label { display: flex; align-items: center; gap: .4rem; margin: .65rem 0 .3rem; color: var(--text-secondary); font-size: .82rem; font-weight: 750; }
.kid-timer-label strong { margin-left: auto; color: #7358d5; font-size: .95rem; font-variant-numeric: tabular-nums; }
.kid-timer-track { height: .65rem; overflow: hidden; border-radius: 99px; background: #e9e5f5; }
.kid-timer-track > span { display: block; width: 100%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #77c9a7, #f2bd4f 58%, #f07865); transform-origin: left center; transition: transform .35s linear; }
.kid-timer-track.is-rushing > span { background: #ed6b69; }
.kid-game-stage { display: grid; justify-items: center; gap: .8rem; min-height: 190px; margin-top: .8rem; padding: 1.15rem; place-content: center; border: 2px dashed #ded5f7; border-radius: 1rem; background: color-mix(in srgb, var(--bg-primary) 85%, #f7f3ff); text-align: center; }
.kid-game-ready { margin: 0; color: var(--text-secondary); font-size: 1.02rem; font-weight: 750; }
.kid-play-button { border: 0; border-radius: 999px; padding: .8rem 1.4rem; background: linear-gradient(105deg, #ff9d54, #ff6e85); color: #fff; font: inherit; font-weight: 900; box-shadow: 0 8px 18px #ef71803a; cursor: pointer; transition: transform .18s ease, filter .18s ease; }
.kid-play-button:hover { transform: translateY(-2px) scale(1.02); filter: saturate(1.12); }
.kid-play-button span { margin-left: .3rem; }
.kid-game-question { display: grid; justify-items: center; gap: .65rem; width: 100%; animation: kid-question-in .25s ease-out both; }
.kid-game-question .kid-question-count { margin: 0; color: #7858ca; font-size: .78rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.kid-answer-reaction { margin: 0; color: #16835d; font-weight: 850; animation: kid-question-in .2s ease-out both; }
.kid-game-question label { color: var(--text-primary); font-size: clamp(2.1rem, 8vw, 3.2rem); font-weight: 900; letter-spacing: -.04em; }
.kid-game-question label span { color: #775bcb; }
.kid-game-question input { width: min(100%, 220px); min-height: 3rem; padding: .5rem 1rem; border: 2px solid #d9d1f3; border-radius: .85rem; background: var(--bg-primary); color: var(--text-primary); font-family: inherit; font-size: 1.5rem; font-weight: 800; line-height: 1.2; text-align: center; }
.kid-game-feedback { min-height: 1.4rem; margin: 0; color: #16835d; font-weight: 800; }
.kid-game-footnote { margin: .7rem 0 0; color: var(--text-light); font-size: .8rem; text-align: center; }
.kid-game-over { display: grid; justify-items: center; gap: .5rem; text-align: center; animation: kid-card-in .35s ease-out both; }
.kid-game-over > span { font-size: 3rem; animation: kid-bob 1.8s ease-in-out infinite; }
.kid-game-over h2, .kid-game-over p { margin: 0; }
.kid-game-over h2 { color: #7358d5; font-size: 1.5rem; }
.kid-game-over p { color: var(--text-secondary); }
.kid-game-over .kid-new-best { color: #d47d08; font-weight: 900; }
@keyframes kid-float { 0%, 100% { translate: 0 0; rotate: 0deg; } 50% { translate: 0 -14px; rotate: 7deg; } }
@keyframes kid-bob { 0%, 100% { transform: translateY(0) rotate(-3deg); } 50% { transform: translateY(-6px) rotate(3deg); } }
@keyframes kid-card-in { from { opacity: 0; transform: translateY(9px); } to { opacity: 1; transform: translateY(0); } }
@keyframes kid-question-in { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: scale(1); } }
@media (max-width: 520px) { .kid-game-intro { align-items: flex-start; gap: .75rem; padding: .8rem; }.kid-game-mascot { flex-basis: 3.4rem; width: 3.4rem; height: 3.4rem; border-radius: 1rem; font-size: 2rem; }.kid-game-intro h2 { font-size: 1.2rem; }.kid-game-intro p { font-size: .82rem; }.kid-game-stats { gap: .4rem; }.kid-game-stats > div { padding: .55rem .35rem; }.kid-game-stats span { font-size: .55rem; }.kid-game-stats strong { font-size: 1rem; }.kid-game-stage { min-height: 175px; padding: .8rem; } }
@media (prefers-reduced-motion: reduce) { .kid-zone-site .kid-page::before, .kid-zone-site .kid-page::after, .kid-game-mascot, .kid-game-over > span { animation: none; }.kid-zone-site .kid-tool-card, .kid-zone-site .kid-info, .kid-zone-site .kid-related { animation: none; }.kid-game-question { animation: none; } }
@media (max-width: 520px) { .kid-page { width: min(100% - 1.25rem, 920px); padding-top: 1.25rem; }.kid-form-row { grid-template-columns: 1fr; }.kid-question { grid-template-columns: 1fr 105px; gap: .5rem; }.kid-tool-card, .kid-info, .kid-related { border-radius: 1rem; } }