/* Course Kids — tampilan ceria untuk anak-anak */
@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600;700&display=swap');

.kids-hub, .kp {
    --k-ink: #3b2f5c;
    --k-pink: #ff8fa3;
    --k-yellow: #ffb703;
    --k-purple: #8d7bff;
    --k-blue: #4cc9f0;
    --k-green: #52d17c;
    --k-orange: #ff7b54;
    font-family: 'Fredoka', 'Manrope', sans-serif;
    color: var(--k-ink);
}

/* ===== HUB (tab) ===== */
.kh-hero {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    background: linear-gradient(135deg, #ffe5ec 0%, #fff3c4 50%, #d8f5ff 100%);
    border-radius: 28px; padding: 28px 32px; margin-bottom: 26px;
    border: 3px dashed rgba(141, 123, 255, .35);
}
.kh-hero h2 { font-size: 2rem; margin: 0 0 6px; font-weight: 700; }
.kh-hero p { margin: 0 0 14px; font-size: 1.05rem; max-width: 560px; line-height: 1.5; }
.kh-total { display: inline-block; background: #fff; border-radius: 999px; padding: 6px 18px; font-weight: 600; box-shadow: 0 4px 0 rgba(0,0,0,.08); }
.kh-mascot { font-size: 5.5rem; animation: kBounce 2s ease-in-out infinite; }
.kh-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 20px; }
.kh-card {
    background: #fff; border-radius: 26px; padding: 20px; border: 3px solid var(--c);
    box-shadow: 0 8px 0 var(--c); transition: transform .15s;
}
.kh-card:hover { transform: translateY(-4px) rotate(-.6deg); }
.kh-card-top { display: flex; justify-content: space-between; align-items: center; }
.kh-emoji { font-size: 2.6rem; background: color-mix(in srgb, var(--c) 22%, #fff); border-radius: 18px; width: 64px; height: 64px; display: grid; place-items: center; }
.kh-skill { background: var(--c); color: #fff; font-size: .78rem; font-weight: 600; padding: 3px 12px; border-radius: 999px; }
.kh-card h3 { margin: 12px 0 4px; font-size: 1.35rem; font-weight: 700; }
.kh-card p { margin: 0 0 14px; font-size: .95rem; line-height: 1.45; opacity: .85; }
.kh-levels { display: grid; gap: 8px; }
.kh-lv {
    display: flex; justify-content: space-between; align-items: center; text-decoration: none; color: var(--k-ink);
    background: color-mix(in srgb, var(--c) 14%, #fff); border-radius: 14px; padding: 9px 14px; font-weight: 600;
    transition: transform .12s, background .12s;
}
.kh-lv:hover { transform: scale(1.03); background: color-mix(in srgb, var(--c) 30%, #fff); }
.kh-lv i { font-style: normal; color: #f5a400; letter-spacing: 2px; }
.kh-lv.done { background: color-mix(in srgb, var(--c) 28%, #fff); }

@keyframes kBounce { 0%,100% { transform: translateY(0) rotate(-4deg); } 50% { transform: translateY(-14px) rotate(4deg); } }
@media (max-width: 600px) {
    .kh-hero { flex-direction: column-reverse; text-align: center; padding: 22px 18px; }
    .kh-hero h2 { font-size: 1.5rem; }
    .kh-mascot { font-size: 4rem; }
}

/* ===== HALAMAN MAIN ===== */
body.kp-body { margin: 0; min-height: 100vh; background: linear-gradient(180deg, #e8f7ff 0%, #fff6e0 60%, #ffe8f0 100%); background-attachment: fixed; }
.kp { max-width: 820px; margin: 0 auto; padding: 16px 16px 60px; }
.kp-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.kp-btn {
    font: inherit; font-weight: 600; border: 0; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 6px;
    background: #fff; color: var(--k-ink); padding: 10px 18px; border-radius: 999px; box-shadow: 0 4px 0 rgba(59,47,92,.18);
    transition: transform .1s, box-shadow .1s;
}
.kp-btn:active { transform: translateY(3px); box-shadow: 0 1px 0 rgba(59,47,92,.18); }
.kp-btn.main { background: var(--k-orange); color: #fff; box-shadow: 0 4px 0 #c9532f; }
.kp-title { text-align: center; margin: 4px 0 2px; font-size: 2rem; font-weight: 700; }
.kp-sub { text-align: center; margin: 0 0 18px; opacity: .8; }
.kp-card { background: #fff; border-radius: 28px; padding: 20px; box-shadow: 0 8px 0 rgba(59,47,92,.12); }

.kp-levels { display: grid; gap: 12px; }
.kp-level {
    font: inherit; display: flex; align-items: center; gap: 14px; text-align: left; cursor: pointer; border: 3px solid transparent;
    background: #f7f4ff; border-radius: 20px; padding: 14px 18px; font-size: 1.2rem; font-weight: 600; color: var(--k-ink);
    transition: transform .12s, border-color .12s;
}
.kp-level:hover { transform: scale(1.02); border-color: var(--k-purple); }
.kp-level .em { font-size: 2rem; }
.kp-level .st { margin-left: auto; color: #f5a400; letter-spacing: 3px; }

.kp-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; gap: 8px; flex-wrap: wrap; }
.kp-chip { background: #f3efff; padding: 6px 16px; border-radius: 999px; font-weight: 600; }
.kp-progress { height: 14px; background: #eee9ff; border-radius: 99px; overflow: hidden; margin-bottom: 18px; }
.kp-progress > div { height: 100%; width: 0; background: linear-gradient(90deg, var(--k-pink), var(--k-yellow), var(--k-green)); transition: width .3s; border-radius: 99px; }

.kp-q { font-size: 1.6rem; font-weight: 600; text-align: center; line-height: 1.4; margin: 6px 0 20px; }
.kp-q .big { font-size: 3rem; display: block; letter-spacing: 6px; margin-bottom: 8px; }
.kp-opts { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.kp-opt {
    font: inherit; font-size: 1.3rem; font-weight: 600; cursor: pointer; border: 0; border-radius: 20px; padding: 16px 10px;
    color: #fff; box-shadow: 0 5px 0 rgba(0,0,0,.2); transition: transform .1s;
}
.kp-opt:nth-child(4n+1) { background: var(--k-pink); }
.kp-opt:nth-child(4n+2) { background: var(--k-blue); }
.kp-opt:nth-child(4n+3) { background: var(--k-purple); }
.kp-opt:nth-child(4n+4) { background: var(--k-green); }
.kp-opt:hover { transform: scale(1.04); }
.kp-opt.right { background: #22b35a !important; animation: kPop .5s; }
.kp-opt.wrong { background: #b9b3c9 !important; animation: kShake .4s; }
.kp-opt:disabled { cursor: default; }
.kp-msg { min-height: 34px; text-align: center; font-size: 1.2rem; font-weight: 600; margin-top: 16px; }

/* memory */
.kp-mem { display: grid; gap: 10px; margin: 0 auto; max-width: 560px; }
.kp-tile { aspect-ratio: 1; perspective: 600px; border: 0; background: none; padding: 0; cursor: pointer; font: inherit; }
.kp-tile .in { position: relative; width: 100%; height: 100%; transition: transform .4s; transform-style: preserve-3d; }
.kp-tile.open .in, .kp-tile.matched .in { transform: rotateY(180deg); }
.kp-tile .f, .kp-tile .b { position: absolute; inset: 0; backface-visibility: hidden; border-radius: 18px; display: grid; place-items: center; box-shadow: 0 4px 0 rgba(0,0,0,.15); }
.kp-tile .f { background: linear-gradient(135deg, var(--k-purple), var(--k-pink)); color: #fff; font-size: 2rem; }
.kp-tile .b { background: #fff7d6; transform: rotateY(180deg); font-size: clamp(1.6rem, 7vw, 3rem); border: 3px solid var(--k-yellow); }
.kp-tile.matched .b { background: #d9f8e3; border-color: var(--k-green); }

/* geser */
.kp-slide { display: grid; gap: 8px; margin: 0 auto; max-width: 420px; background: #efe9ff; padding: 10px; border-radius: 22px; }
.kp-cell { aspect-ratio: 1; border: 0; border-radius: 16px; font: inherit; font-weight: 700; cursor: pointer; color: #fff; box-shadow: 0 4px 0 rgba(0,0,0,.2); display: grid; place-items: center; line-height: 1; transition: transform .1s; }
.kp-cell .e { font-size: clamp(1.4rem, 7vw, 2.4rem); }
.kp-cell .n { font-size: .9rem; opacity: .9; }
.kp-cell:hover { transform: scale(1.05); }
.kp-cell.empty { background: transparent; box-shadow: none; cursor: default; }
.kp-cell.empty:hover { transform: none; }

/* susun kata */
.kp-pic { font-size: 6rem; text-align: center; animation: kBounce 2.2s ease-in-out infinite; }
.kp-slots, .kp-pool { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin: 14px 0; }
.kp-slot { width: 52px; height: 60px; border-radius: 14px; border: 3px dashed var(--k-purple); display: grid; place-items: center; font-size: 1.8rem; font-weight: 700; background: #faf8ff; }
.kp-slot.on { border-style: solid; background: #d9f8e3; border-color: var(--k-green); animation: kPop .3s; }
.kp-letter { width: 56px; height: 56px; border-radius: 16px; border: 0; font: inherit; font-size: 1.7rem; font-weight: 700; cursor: pointer; color: #fff; background: var(--k-blue); box-shadow: 0 4px 0 rgba(0,0,0,.2); }
.kp-letter:nth-child(3n) { background: var(--k-pink); }
.kp-letter:nth-child(3n+1) { background: var(--k-purple); }
.kp-letter.used { visibility: hidden; }
.kp-letter.shake { animation: kShake .4s; }

/* hasil */
.kp-modal { position: fixed; inset: 0; background: rgba(59,47,92,.55); display: none; place-items: center; z-index: 50; padding: 16px; }
.kp-modal.show { display: grid; }
.kp-win { background: #fff; border-radius: 32px; padding: 28px 24px; text-align: center; max-width: 380px; width: 100%; animation: kPop .5s; }
.kp-win .owl { font-size: 4.5rem; }
.kp-win h2 { margin: 6px 0; font-size: 1.9rem; }
.kp-win .stars { font-size: 3rem; color: #f5a400; letter-spacing: 6px; margin: 4px 0 10px; }
.kp-win .row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }
.kp-fall { position: fixed; top: -50px; font-size: 2rem; z-index: 60; pointer-events: none; animation: kFall linear forwards; }

@keyframes kPop { 0% { transform: scale(.7); } 60% { transform: scale(1.12); } 100% { transform: scale(1); } }
@keyframes kShake { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-8px); } 75% { transform: translateX(8px); } }
@keyframes kFall { to { transform: translateY(110vh) rotate(360deg); } }
@media (max-width: 520px) { .kp-title { font-size: 1.5rem; } .kp-q { font-size: 1.3rem; } .kp-slot { width: 42px; height: 50px; } .kp-letter { width: 48px; height: 48px; } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* ===== v2: kategori, profil, papan juara ===== */
.kh-me { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.kh-total { display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.kh-av { font-size: 1.5rem; }
.kh-sep { opacity: .4; }
.kh-cats { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 22px; margin-bottom: 30px; }
.kh-cat {
    position: relative; display: flex; flex-direction: column; gap: 6px; text-decoration: none; color: var(--k-ink);
    background: linear-gradient(160deg, color-mix(in srgb, var(--c) 18%, #fff), #fff 70%);
    border: 3px solid var(--c); border-radius: 30px; padding: 24px 22px 20px; box-shadow: 0 9px 0 var(--c); transition: transform .15s;
}
.kh-cat:hover { transform: translateY(-5px) rotate(-.8deg); }
.kh-cat-emoji { font-size: 3.6rem; line-height: 1; display: inline-block; animation: kBounce 2.6s ease-in-out infinite; }
.kh-cat h3 { margin: 6px 0 0; font-size: 1.55rem; font-weight: 700; }
.kh-cat p { margin: 0; line-height: 1.45; font-size: .98rem; opacity: .88; }
.kh-cat-foot { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.kh-pill { background: var(--c); color: #fff; border-radius: 999px; padding: 3px 12px; font-size: .82rem; font-weight: 600; }
.kh-pill.mine { background: #fff; color: var(--k-ink); border: 2px solid var(--c); }
.kh-champ { background: #fff8d8; border-radius: 14px; padding: 8px 12px; font-size: .9rem; margin-top: 6px; }
.kh-go { margin-top: 8px; align-self: flex-start; background: var(--c); color: #fff; font-weight: 700; padding: 8px 18px; border-radius: 999px; }
.kh-back { display: inline-block; margin-bottom: 14px; text-decoration: none; background: #fff; color: var(--k-ink); font-weight: 600; padding: 8px 18px; border-radius: 999px; border: 2px solid #e5def7; }
.kh-cat-head { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.kh-cat-head > span { font-size: 3.4rem; background: color-mix(in srgb, var(--c) 22%, #fff); border-radius: 22px; width: 84px; height: 84px; display: grid; place-items: center; }
.kh-cat-head h2 { margin: 0; font-size: 1.8rem; }
.kh-cat-head p { margin: 2px 0 0; opacity: .85; }

.kh-board { margin-top: 34px; background: #fff; border: 3px solid #ffd966; border-radius: 28px; padding: 20px 22px; box-shadow: 0 8px 0 #ffd966; }
.kh-board h3 { margin: 0 0 12px; font-size: 1.4rem; }
.kh-row { display: flex; align-items: center; gap: 12px; padding: 9px 12px; border-radius: 16px; }
.kh-row:nth-child(even) { background: #faf8ff; }
.kh-row.top { background: #fff6d6; font-weight: 600; }
.kh-pos { width: 34px; text-align: center; font-size: 1.4rem; font-weight: 700; }
.kh-nm { flex: 1; display: flex; flex-direction: column; font-weight: 600; min-width: 0; }
.kh-nm small { font-weight: 400; opacity: .7; font-size: .8rem; }
.kh-pt { font-weight: 700; font-size: 1.15rem; color: #d98200; }
.kh-pt small { font-weight: 500; font-size: .75rem; }
.kh-empty { padding: 18px; text-align: center; opacity: .8; }
.kh-howto { margin-top: 12px; font-size: .85rem; opacity: .75; line-height: 1.5; }

/* profil */
.kp-profile p { margin: 0 0 12px; line-height: 1.45; }
.kp-input { font: inherit; font-size: 1.3rem; width: 100%; box-sizing: border-box; padding: 12px 16px; border-radius: 16px; border: 3px solid #d9d0ff; text-align: center; color: var(--k-ink); }
.kp-input:focus { outline: none; border-color: var(--k-purple); }
.kp-avatars { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin: 14px 0 6px; }
.kp-avatars button { font-size: 1.7rem; background: #f6f2ff; border: 3px solid transparent; border-radius: 14px; padding: 6px 0; cursor: pointer; }
.kp-avatars button.on { border-color: var(--k-purple); background: #e9e2ff; transform: scale(1.08); }
.kp-err { color: #d6336c; min-height: 22px; font-weight: 600; margin-top: 4px; }
.kp-points { background: #fff6d6; border-radius: 16px; padding: 10px 14px; margin: 8px 0; font-weight: 600; }
.kp-points b { color: #d98200; font-size: 1.3rem; }
.kp-cat-chip { text-align: center; margin: 0 0 6px; }
.kp-cat-chip span { background: #fff; padding: 4px 16px; border-radius: 999px; font-weight: 600; font-size: .9rem; }

/* konstruksi: balok */
.kp-brick { position: relative; border-radius: 8px; box-shadow: inset 0 -5px 0 rgba(0,0,0,.18), 0 2px 0 rgba(0,0,0,.12); }
.kp-brick::before, .kp-brick::after { content: ''; position: absolute; top: -6px; width: 16px; height: 8px; border-radius: 5px 5px 0 0; background: inherit; box-shadow: inset 0 -2px 0 rgba(0,0,0,.15); }
.kp-brick::before { left: 18%; } .kp-brick::after { right: 18%; }
.c-R { background: #ff5d5d; } .c-O { background: #ff9f43; } .c-Y { background: #ffd23f; } .c-G { background: #3ccf6e; } .c-B { background: #4c8bff; } .c-P { background: #a56bff; }

.kp-stacks { display: flex; align-items: flex-end; justify-content: center; gap: 14px; margin: 18px 0 6px; min-height: 40px; }
.kp-stacks .col { display: flex; flex-direction: column-reverse; gap: 4px; padding-top: 8px; }
.kp-stacks .kp-brick { width: 54px; height: 26px; }

.kp-tower-area { display: flex; justify-content: center; gap: 28px; flex-wrap: wrap; align-items: flex-end; }
.kp-tower { display: flex; flex-direction: column-reverse; gap: 4px; min-height: 60px; align-items: center; padding-top: 10px; }
.kp-tower .kp-brick { width: 96px; height: 30px; }
.kp-tower.ghost { opacity: .35; }
.kp-tower-cap { text-align: center; font-weight: 600; margin-top: 6px; }
.kp-tower.hidden .kp-brick { display: none; }
.kp-pal { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }
.kp-pal button { width: 58px; height: 58px; border-radius: 16px; border: 4px solid #fff; box-shadow: 0 4px 0 rgba(0,0,0,.22); cursor: pointer; font-size: 1.6rem; }
.kp-pal button.sel { outline: 4px solid var(--k-ink); }
.kp-pal button.shake { animation: kShake .4s; }

/* tiru bangunan */
.kp-build { display: flex; justify-content: center; gap: 26px; flex-wrap: wrap; align-items: flex-start; }
.kp-pix { display: grid; gap: 3px; background: #efe9ff; padding: 6px; border-radius: 14px; }
.kp-pix > div { border-radius: 5px; background: #fff; border: 0; padding: 0; }
.kp-pix.target > div { width: 26px; height: 26px; }
.kp-pix.draw > div { width: 46px; height: 46px; cursor: pointer; border-radius: 8px; box-shadow: inset 0 0 0 2px #e3dcf7; }
.kp-pix.draw.big > div { width: 38px; height: 38px; }
.kp-pix .on { box-shadow: inset 0 -4px 0 rgba(0,0,0,.15); }
.kp-pix.draw > div:hover { transform: scale(1.06); }

/* memory: hilang & urutan */
.kp-peek { font-size: 1rem; text-align: center; font-weight: 600; color: #2bb673; }
.kp-simon { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; max-width: 380px; margin: 8px auto 0; }
.kp-simon.six { grid-template-columns: repeat(3, 1fr); max-width: 520px; }
.kp-pad { aspect-ratio: 1; border-radius: 28px; border: 0; font: inherit; font-size: 3.2rem; cursor: pointer; opacity: .55; box-shadow: 0 6px 0 rgba(0,0,0,.22); transition: transform .1s, opacity .1s, filter .1s; }
.kp-pad.lit { opacity: 1; transform: scale(1.08); filter: brightness(1.15) saturate(1.3); box-shadow: 0 0 0 6px rgba(255,255,255,.9), 0 0 28px 6px currentColor; }
.kp-pad:disabled { cursor: default; }
@media (max-width: 520px) { .kp-pix.draw > div { width: 38px; height: 38px; } .kp-pix.draw.big > div { width: 32px; height: 32px; } .kp-pix.target > div { width: 20px; height: 20px; } .kp-tower .kp-brick { width: 80px; } }

/* tamu: game terkunci */
.kh-card.locked { filter: grayscale(.35); }
.kh-card.locked .kh-lv { opacity: .85; }
.kh-me .kp-btn { cursor: pointer; }