:root{color:#24362f;background:#eef7e7;font-family:ui-rounded,Avenir Next,Segoe UI,system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button{border:0;font:inherit}.app-shell{min-height:100vh;overflow:hidden;background:linear-gradient(120deg,rgba(49,164,108,.12),transparent 34%),linear-gradient(280deg,rgba(255,212,95,.18),transparent 40%),#f4f8ea}.splash-screen,.intro-screen,.missions-screen,.gameplay-screen{min-height:100vh;padding:clamp(20px,4vw,48px)}.splash-screen,.intro-screen{display:grid;place-items:center;align-content:center;gap:22px;text-align:center}.brand-row{display:inline-flex;align-items:center;gap:10px;color:#2f7351;font-weight:700}h1,h2,p{margin:0}h1{color:#213e35;font-size:clamp(3rem,8vw,7rem);line-height:.9}h2{font-size:clamp(1.7rem,4vw,2.8rem)}.primary-button,.secondary-button,.icon-button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;gap:10px;border-radius:8px;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.primary-button{padding:12px 22px;background:#1f8f5f;color:#fff;box-shadow:0 12px 22px #1f8f5f42;font-weight:700}.primary-button:hover,.secondary-button:hover,.icon-button:hover,.action-block:hover,.level-node:hover{transform:translateY(-2px)}.primary-button:disabled{cursor:not-allowed;opacity:.45;transform:none}.primary-button.large{min-width:180px;min-height:56px;font-size:1.2rem}.secondary-button,.icon-button{background:#fff;color:#24433a;box-shadow:0 8px 18px #3e594b1f;font-weight:700}.secondary-button{padding:10px 16px}.icon-button{width:44px;padding:0}.language-toggle{display:grid;grid-template-columns:repeat(2,1fr);width:178px;padding:5px;border-radius:8px;background:#fff;box-shadow:0 10px 20px #3e594b1f}.language-toggle button{min-height:42px;border-radius:7px;background:transparent;color:#40645a;cursor:pointer;font-weight:800}.language-toggle button.active{background:#ffd95d;color:#274137}.kibo-avatar{width:clamp(126px,28vw,240px);overflow:visible;filter:drop-shadow(0 20px 18px rgba(56,92,74,.16))}.kibo-avatar.tiny{width:min(82%,74px);animation:bob 1.8s ease-in-out infinite;z-index:4}.kibo-leaf{transform-origin:60px 36px;animation:leafWave 2.6s ease-in-out infinite}.kibo-leaf.right{animation-delay:.34s}.kibo-spark,.energy-spark{animation:pulse 1.2s ease-in-out infinite}.speech-bubble{width:min(680px,100%);padding:18px 22px;border:3px solid #ffffff;border-radius:8px;background:#ffffffd1;box-shadow:0 14px 24px #415a4824;color:#2a473d;font-size:clamp(1.05rem,2.6vw,1.38rem);font-weight:600;line-height:1.35}.intro-dots{display:flex;gap:9px}.intro-dots span{width:12px;height:12px;border-radius:999px;background:#24433a33}.intro-dots span.active{background:#1f8f5f}.screen-header,.play-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 auto 28px;width:min(1120px,100%)}.screen-header h1,.play-header h1{font-size:clamp(2.2rem,5vw,4rem)}.eyebrow{color:#457464;font-size:.82rem;font-weight:800;letter-spacing:0;text-transform:uppercase}.level-path{display:grid;grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:14px;margin:0 auto;width:min(1120px,100%)}.level-node{min-height:116px;padding:14px;border:3px solid rgba(255,255,255,.9);border-radius:8px;background:#fff;box-shadow:0 16px 26px #3e594b1f;color:#24433a;cursor:pointer;font-weight:800}.level-node span{display:grid;place-items:center;width:46px;height:46px;margin:0 auto 10px;border-radius:50%;background:#dff4c3;color:#1f6d4d;font-size:1.25rem}.level-node small{display:block;color:#58766d}.level-node.completed span{background:#ffd95d}.node-reward{display:grid;place-items:center;width:42px;height:42px;margin:10px auto 0;border-radius:50%;background:#fff3b0;box-shadow:inset 0 0 0 2px #6d551014;font-size:1.35rem;opacity:.72}.node-reward.completed{opacity:1;transform:scale(1.06)}.level-node.locked{cursor:not-allowed;opacity:.55;transform:none}.play-header{margin-bottom:18px}.energy-pill{min-width:100px;padding:10px 14px;border-radius:8px;background:#fff3b0;color:#6d5510;font-weight:800;text-align:center}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(290px,360px);gap:20px;margin:0 auto;width:min(1120px,100%)}.world-column{display:grid;gap:16px;min-width:0}.world-frame{display:grid;place-items:center;min-height:min(68vh,660px);padding:clamp(14px,3vw,32px);border:4px solid rgba(255,255,255,.85);border-radius:8px;box-shadow:0 20px 34px #3e594b29}.game-grid{display:grid;grid-template-columns:repeat(var(--size),1fr);width:min(100%,590px);aspect-ratio:1;border:4px solid rgba(58,83,67,.22);border-radius:8px;overflow:hidden;box-shadow:inset 0 0 0 2px #fff6}.grid-cell{position:relative;display:grid;place-items:center;min-width:0;min-height:0;border:1px solid rgba(76,101,83,.18);background:radial-gradient(circle at 30% 25%,rgba(255,255,255,.45),transparent 30%),#ffffff1a}.grid-cell.path-cell{background:radial-gradient(circle at 50% 50%,rgba(255,217,93,.35),transparent 42%),#ffffff2e}.grid-cell.done{background:radial-gradient(circle at 50% 50%,rgba(49,164,108,.24),transparent 45%),#ffffff38}.goal-mark{position:absolute;width:52%;height:52%;border:4px solid var(--theme);border-radius:50%;opacity:.72}.energy-spark,.obstacle{position:absolute;display:grid;place-items:center;width:58%;height:58%;border-radius:8px;font-size:clamp(1.1rem,4vw,2rem);font-weight:900}.energy-spark{background:#fff3a7;color:#b47400;box-shadow:0 8px 16px #b474002e}.path-dot,.reward-token{position:absolute;display:grid;place-items:center;width:56%;height:56%;border-radius:50%;font-weight:900}.path-dot{color:#23493d73;font-size:clamp(1rem,3vw,1.8rem)}.reward-token{background:#fff3b0;box-shadow:0 10px 18px #95711233;font-size:clamp(1.4rem,4vw,2.4rem)}.obstacle.water{background:#bcecff;color:#15709c}.obstacle.tree{background:#2e7657;color:#d8f5c6}.obstacle.vine{background:#c6efc1;color:#277243}.obstacle.crystal{background:#eadcff;color:#6b4bc7}.obstacle.gap{background:#6d6352;color:#f4e5bd}.obstacle.solved{opacity:.34}.control-panel{display:grid;align-content:start;gap:14px}.block-palette,.program-bar{padding:14px;border-radius:8px;background:#ffffffc7;box-shadow:0 14px 24px #3e594b1f}.block-palette{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.action-block{display:grid;grid-template-columns:32px minmax(0,1fr);align-items:center;min-height:54px;padding:8px;border-radius:8px;background:#fff;color:#243e35;box-shadow:inset 0 0 0 2px #24433a14;cursor:grab;font-weight:800;text-align:left}.action-block span{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;background:#e8f6df;color:#1d7d54;font-size:1.25rem}.action-block strong{min-width:0;overflow-wrap:anywhere;font-size:.9rem}.action-block.tool span{background:#fff1bd;color:#916414}.action-block.compact{grid-template-columns:30px;justify-items:center;width:46px;min-height:46px;padding:7px;cursor:pointer}.action-block.compact strong{position:absolute;width:1px;height:1px;overflow:hidden}.program-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;color:#3f6559;font-weight:900}.program-steps{display:flex;flex-wrap:wrap;gap:8px;min-height:62px;align-content:flex-start}.empty-step{display:grid;place-items:center;width:48px;height:48px;border:2px dashed rgba(36,67,58,.3);border-radius:8px;color:#24433a80;font-size:1.5rem;font-weight:900}.run-button{width:100%}.math-layout{grid-template-columns:minmax(0,1fr) minmax(320px,420px)}.challenge-card,.reward-preview{padding:18px;border:4px solid rgba(255,255,255,.86);border-radius:8px;background:#ffffffdb;box-shadow:0 16px 28px #3e594b21}.challenge-kind{display:inline-flex;min-height:34px;align-items:center;padding:6px 12px;border-radius:8px;background:#e6f5d9;color:#28724e;font-size:.9rem;font-weight:900}.challenge-card h2{margin-top:12px;color:#24433a;font-size:clamp(1.55rem,3vw,2.15rem);line-height:1.12}.challenge-visual,.visual-groups{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0;padding:14px;border-radius:8px;background:#fff8d9;font-size:clamp(2rem,6vw,3.1rem);line-height:1}.challenge-visual span,.visual-group span{display:inline-grid;place-items:center;width:46px;height:46px}.challenge-visual .symbol{color:#31564b;font-weight:900}.visual-groups{display:grid;grid-template-columns:1fr}.visual-group{display:flex;flex-wrap:wrap;gap:8px;min-height:62px;align-items:center;padding:10px;border:3px solid rgba(31,143,95,.12);border-radius:8px;background:#ffffff9e}.visual-group strong{flex-basis:100%;color:#31564b;font-size:1rem}.answer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.answer-button{display:flex;min-height:76px;align-items:center;justify-content:center;gap:8px;border:4px solid #ffffff;border-radius:8px;background:#fff;color:#213e35;box-shadow:0 10px 18px #3e594b1f;cursor:pointer;font-weight:900;transition:transform .16s ease,background .16s ease,border .16s ease}.answer-button span{font-size:clamp(1.8rem,5vw,2.7rem);line-height:1}.answer-button:hover{transform:translateY(-2px)}.answer-button.correct{border-color:#50b979;background:#def8df;color:#166a45}.answer-button.wrong{border-color:#e39775;background:#ffe5d8;color:#924225}.feedback{margin-top:14px;padding:12px;border-radius:8px;font-size:1.1rem;font-weight:900;text-align:center}.feedback.good{background:#def8df;color:#166a45}.feedback.try{background:#fff1bd;color:#7a5a11}.reward-preview{display:grid;grid-template-columns:auto 1fr;gap:8px 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5%);top:54%;width:10px;height:10px;border-radius:50%;background:#ffd95d;opacity:0}.particles.active span{animation:confetti .9s ease-out forwards;animation-delay:calc(var(--i) * 22ms)}@keyframes bob{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@keyframes leafWave{0%,to{transform:rotate(0)}50%{transform:rotate(5deg)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}@keyframes confetti{0%{opacity:1;transform:translateY(0) rotate(0)}to{opacity:0;transform:translateY(-38vh) rotate(220deg)}}@media(max-width:820px){.game-layout{grid-template-columns:1fr}.play-header{display:grid;grid-template-columns:44px 1fr}.energy-pill{grid-column:1 / -1}.world-frame{min-height:auto}.block-palette{grid-template-columns:repeat(3,minmax(0,1fr))}.math-layout{grid-template-columns:1fr}}@media(max-width:520px){.splash-screen,.intro-screen,.missions-screen,.gameplay-screen{padding:16px}.block-palette{grid-template-columns:repeat(2,minmax(0,1fr))}.screen-header{align-items:flex-start;flex-direction:column}.level-path{grid-template-columns:repeat(2,minmax(0,1fr))}.answer-grid{grid-template-columns:1fr}.answer-button{min-height:64px}}