:root{color-scheme:light;--paper: #f7f3ea;--ink: #283238;--muted: #6b7479;--line: #ddd4c5;--panel: #fffdf8;--leaf: #4e9f59;--clay: #c75f45;--sky: #3978c4;--sun: #f2c84b;--rose: #d76e97;--mint: #91d8a1;--cream: #fff8dc;--shadow: 0 18px 50px rgba(42, 47, 53, .12);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at 18px 18px,rgba(242,200,75,.18) 3px,transparent 4px),linear-gradient(90deg,rgba(78,159,89,.06) 1px,transparent 1px),linear-gradient(0deg,rgba(57,120,196,.05) 1px,transparent 1px),var(--paper);background-size:32px 32px;color:var(--ink)}button,input{font:inherit}button{cursor:pointer}.auth-layout{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(340px,440px);gap:32px;align-items:center;width:min(1080px,calc(100% - 32px));margin:0 auto;padding:38px 0}.brand-panel{position:relative;min-height:560px;display:flex;flex-direction:column;justify-content:center;padding:46px;border:1px solid var(--line);border-radius:8px;background:linear-gradient(145deg,#fffdf8f0,#fff8dcd6),linear-gradient(135deg,#f2c84be6,#91d8a1e6,#3978c4c7,#d76e97c7);box-shadow:var(--shadow);overflow:hidden}.paint-rail{position:absolute;top:22px;right:22px;left:22px;display:flex;justify-content:flex-end;gap:8px;pointer-events:none}.paint-rail span{width:34px;height:16px;border:2px solid rgba(40,50,56,.1);border-radius:8px;box-shadow:inset 0 -4px #00000014}.paint-rail span:nth-child(1){background:var(--clay)}.paint-rail span:nth-child(2){background:var(--sun)}.paint-rail span:nth-child(3){background:var(--leaf)}.paint-rail span:nth-child(4){background:var(--sky)}.paint-rail span:nth-child(5){background:var(--rose)}.brand-mark,.win-badge{width:72px;height:72px;display:grid;place-items:center;border-radius:8px;color:#fff;background:var(--clay);box-shadow:inset 0 -8px #0000001a}.brand-mark{transform:rotate(-4deg)}.eyebrow{margin:0 0 10px;color:var(--clay);font-size:.8rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1{max-width:620px;margin-bottom:18px;font-size:clamp(2.4rem,5vw,4.7rem);line-height:1.02}h2{margin-bottom:8px;font-size:clamp(1.8rem,3vw,3rem);line-height:1.08}h3{margin-bottom:0;font-size:1.35rem}p{color:var(--muted);line-height:1.65}.trust-row,.mini-stats,.profile-grid{display:flex;gap:12px;flex-wrap:wrap}.trust-row span{display:inline-flex;align-items:center;gap:7px;min-height:38px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:#fffdf8d1;font-weight:800}.auth-card,.game-card{border:3px solid rgba(40,50,56,.08);border-radius:8px;background:var(--panel);box-shadow:var(--shadow)}.auth-card{padding:26px;background:linear-gradient(var(--panel),var(--panel)) padding-box,linear-gradient(135deg,var(--sun),var(--mint),var(--sky),var(--rose)) border-box}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:6px;margin-bottom:18px;border:1px solid var(--line);border-radius:8px;background:#f1eadf}.auth-tabs button,.topbar nav button{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-weight:800}.auth-tabs button.active,.topbar nav button.active{background:var(--panel);color:var(--ink);box-shadow:0 6px 16px #2a2f3514}.auth-form{display:grid;gap:15px}label,.avatar-field{display:grid;gap:7px;color:var(--ink);font-weight:800}input{width:100%;min-height:50px;border:1.5px solid var(--line);border-radius:8px;padding:0 14px;outline:none;background:#fff;color:var(--ink)}input:focus{border-color:var(--sky);box-shadow:0 0 0 4px #3978c424}.avatar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.avatar-grid button{min-height:44px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-weight:800}.avatar-grid button.selected{border-color:var(--leaf);background:#edf7ee}.primary-action,.secondary-action,.google-action,.empty-action{min-height:52px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:8px;font-weight:900}.primary-action{width:100%;margin-top:4px;background:linear-gradient(135deg,var(--leaf),#35a6a1);color:#fff;box-shadow:0 10px 24px #4e9f5947}.google-action,.secondary-action,.empty-action{width:100%;border:1px solid var(--line);background:#fff;color:var(--ink)}.divider{display:flex;align-items:center;gap:12px;margin:18px 0;color:var(--muted);font-weight:800}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--line)}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px max(18px,calc((100vw - 1080px)/2));border-bottom:1px solid var(--line);background:#fffdf8eb;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.logo-button{display:inline-flex;align-items:center;gap:10px;border:0;background:transparent;color:var(--ink);font-size:1.18rem;font-weight:950}.logo-icon,.avatar-pill{width:42px;height:42px;display:grid;place-items:center;border-radius:8px;background:var(--clay);color:#fff}.topbar nav{display:flex;align-items:center;gap:6px}.topbar nav button{padding:0 13px}.avatar-pill{border:0;background:var(--sun);color:var(--ink);min-width:42px;padding:0 8px}.icon-button{width:42px;min-width:42px;height:42px;padding:0;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}.page{width:min(1080px,calc(100% - 32px));margin:0 auto;padding:30px 0 56px}.welcome-band,.profile-hero{position:relative;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:26px;border:1px solid var(--line);border-radius:8px;background:linear-gradient(120deg,#fffdf8fa,#fff8dcf0),linear-gradient(135deg,var(--sun),var(--mint),var(--sky),var(--rose));box-shadow:var(--shadow);overflow:hidden}.welcome-band:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 0 74%,rgba(57,120,196,.09) 74% 77%,transparent 77%),linear-gradient(0deg,transparent 0 70%,rgba(199,95,69,.08) 70% 73%,transparent 73%);pointer-events:none}.welcome-band>*{position:relative;z-index:1}.kid-helper{width:118px;height:118px;display:grid;place-items:center;align-content:center;flex-shrink:0;border:3px solid rgba(40,50,56,.1);border-radius:8px;background:linear-gradient(145deg,var(--sun),#fff1a6);box-shadow:inset 0 -10px #00000014,0 12px 24px #f2c84b38;color:var(--ink);transform:rotate(3deg)}.kid-helper span{font-size:.9rem;font-weight:850}.kid-helper strong{font-size:1.2rem}.welcome-band h2,.profile-hero h2{margin-bottom:6px}.mini-stats,.profile-grid{flex-shrink:0}.stat-box{min-width:120px;min-height:96px;display:grid;place-items:center;gap:2px;padding:13px;border:1px solid var(--line);border-radius:8px;background:linear-gradient(180deg,#fff,#fff9ed);box-shadow:inset 0 -5px #0000000a}.stat-box svg{color:var(--clay)}.stat-box strong{font-size:1.4rem}.stat-box span{color:var(--muted);font-size:.85rem;font-weight:800}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:12px;margin:30px 0 14px}.section-heading span{color:var(--muted);font-weight:750}.level-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.level-card{position:relative;min-height:220px;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;gap:9px;padding:18px;border:3px solid rgba(40,50,56,.08);border-radius:8px;background:linear-gradient(180deg,#fffdf8fa,#fff8dce0),linear-gradient(135deg,var(--sun),var(--mint),var(--sky),var(--rose));color:var(--ink);text-align:left;box-shadow:0 10px 28px #2a2f3514,inset 0 -8px #0000000a;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.level-card:hover:not(.locked){transform:translateY(-4px);box-shadow:var(--shadow);border-color:#3978c466}.level-card.done{border-color:#4e9f598c;background:linear-gradient(180deg,#fbfff8,#effbec)}.level-card.locked{opacity:.58}.level-status{position:absolute;top:14px;right:14px;width:36px;height:36px;display:grid;place-items:center;border-radius:8px;background:#fff;color:var(--clay);box-shadow:0 6px 16px #2a2f3514}.color-dots{display:flex;flex-wrap:wrap;gap:8px;max-width:160px}.color-dots span{width:34px;height:34px;border:2px solid;border-radius:8px}.level-card strong{font-size:1.2rem}.level-card small,.level-meta{color:var(--muted);line-height:1.35;font-weight:750}.level-meta{margin-top:auto;color:var(--clay)}.modal-backdrop{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:16px;background:#28323880;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}.game-card{width:min(600px,100%);padding:18px;background:linear-gradient(var(--panel),var(--panel)) padding-box,linear-gradient(135deg,var(--sun),var(--mint),var(--sky),var(--rose)) border-box}.game-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.game-top div{display:grid;justify-items:center;gap:2px}.game-top span{color:var(--muted);font-weight:800}.question-panel{display:grid;place-items:center;min-height:168px;margin-bottom:16px;border:3px dashed rgba(40,50,56,.12);border-radius:8px;background:linear-gradient(180deg,#fff8dce6,#fffc),repeating-linear-gradient(45deg,rgba(242,200,75,.14) 0 10px,transparent 10px 20px)}.question-panel span{color:var(--muted);font-size:.95rem;font-weight:850;text-transform:uppercase}.question-panel h2{margin:0;font-size:clamp(2.3rem,8vw,4.5rem)}.question-panel p{margin:0;font-weight:800}.answer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.answer{aspect-ratio:1.45;display:grid;place-items:center;border:6px solid;border-radius:8px;color:#fff;box-shadow:inset 0 -13px #00000024,0 10px 22px #2a2f3521;transition:transform .16s ease,outline-color .16s ease,box-shadow .16s ease}.answer:hover{transform:scale(1.025)}.answer.selected{transform:scale(1.035);outline:7px solid rgba(242,200,75,.85);outline-offset:4px;box-shadow:inset 0 -13px #00000024,0 0 0 10px #fff8dce6,0 14px 34px #2a2f3533}.answer.right{transform:scale(1.045);outline:7px solid rgba(78,159,89,.78);outline-offset:4px;box-shadow:inset 0 -13px #00000024,0 0 0 10px #edf7eef2,0 18px 38px #4e9f5947}.answer.wrong{animation:wrongWiggle .26s ease;outline:7px solid rgba(199,95,69,.8);outline-offset:4px;box-shadow:inset 0 -13px #00000024,0 0 0 10px #ffeee8f2,0 18px 38px #c75f4540}@keyframes wrongWiggle{0%,to{transform:translate(0)}35%{transform:translate(-8px)}70%{transform:translate(8px)}}.win-view{display:grid;justify-items:center;gap:12px;padding:38px 12px;text-align:center}.win-view h2{color:var(--leaf)}.win-view p{max-width:350px;margin-bottom:8px}.profile-page{max-width:880px}.profile-hero{justify-content:flex-start}.profile-avatar{min-width:94px;height:94px;display:grid;place-items:center;border-radius:8px;background:var(--sun);font-size:1.1rem;font-weight:900;text-align:center}.profile-grid{margin-top:16px}.profile-grid .stat-box{flex:1}.plain-section{margin-top:28px}.reward-list{display:flex;flex-wrap:wrap;gap:10px}.reward-list span{padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;font-weight:850}.progress-list{display:grid;gap:8px}.progress-list div{display:flex;justify-content:space-between;gap:12px;padding:14px;border:1px solid var(--line);border-radius:8px;background:#fff}.progress-list strong{color:var(--leaf)}.secondary-action{margin-top:26px}.toast{position:fixed;right:18px;bottom:18px;z-index:80;max-width:min(380px,calc(100% - 36px));padding:14px 16px;border-radius:8px;background:var(--ink);color:#fff;font-weight:850;box-shadow:var(--shadow)}@media(max-width:900px){.auth-layout,.level-grid{grid-template-columns:1fr 1fr}.brand-panel{min-height:auto}.auth-card{align-self:stretch}}@media(max-width:720px){.auth-layout,.level-grid{grid-template-columns:1fr}.brand-panel{padding:26px}.topbar{align-items:flex-start;flex-direction:column}.topbar nav{width:100%;overflow-x:auto;padding-bottom:2px}.welcome-band{align-items:stretch;flex-direction:column}.mini-stats .stat-box{flex:1;min-width:95px}}@media(max-width:480px){.auth-layout,.page{width:min(100% - 20px,1080px)}.auth-card,.game-card,.welcome-band,.profile-hero{padding:14px}.brand-panel{padding:22px}.answer-grid{gap:9px}.answer{aspect-ratio:1.12}.profile-hero{align-items:flex-start;flex-direction:column}}