/* Signature 6.2.1 — presentation only; existing application controls remain intact. */
body[data-space]{--canvas:#f4f6fa;--surface:#fff;--text:#17243d;--sub:#59677e;--line:#dfe5ee;--soft:#eef2f8;background:var(--canvas)}
body[data-space] main{max-width:1500px;padding-top:12px}body[data-space] .p61-header{background:#101c36;border-bottom:1px solid #33425c}body[data-space] .p61-nav{gap:10px}body[data-space] .p61-nav button{min-height:48px}body[data-space] .p61-nav button.active{box-shadow:inset 3px 0 #d4a853}body[data-space] .panel{box-shadow:0 6px 22px #101c3609;padding:28px}body[data-space] .dual-hero{min-height:240px;padding:34px 180px 30px 34px;background:linear-gradient(115deg,#101c36,#253c65);border:0;color:white}body[data-space] .dual-hero h2{font-size:clamp(25px,3vw,40px);line-height:1.3;margin:16px 0}body[data-space] .dual-hero p{color:#d7e0f2}body[data-space] .dual-hero img{width:145px;height:180px;top:28px}body[data-space] .dual-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;background:transparent;border:0;padding:0;box-shadow:none}body[data-space] .dual-metrics>div{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;color:var(--sub);font-size:14px}body[data-space] .dual-metrics strong{color:var(--text);font-size:28px;margin-top:10px}.sig-shortcuts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:20px 0}.sig-card{display:flex;flex-direction:column;align-items:flex-start;gap:9px;text-align:left;background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 5px 18px #101c3609;min-height:155px}.sig-card strong{font-size:18px}.sig-card small{color:var(--sub);font-weight:500;line-height:1.6}.sig-card .sig-icon{font-size:28px;line-height:1.3}.sig-card:hover{outline:2px solid #8b83e8;outline-offset:2px}.sig-parent-title{margin:0 0 22px;padding:28px;border-radius:18px;background:linear-gradient(115deg,#101c36,#263c61);color:#fff}.sig-parent-title small{color:#e4c47d;letter-spacing:2px}.sig-parent-title h2{font-size:30px;margin:12px 0}.sig-parent-title p{color:#d5deef;margin:0}.sig-parent-count{display:inline-block;margin-top:18px;padding:10px 16px;background:#ffffff16;border-radius:10px;color:white}.sig-parent-block{border:1px solid var(--line);border-radius:16px;padding:20px;margin:18px 0;background:var(--surface)}.sig-parent-block h3{margin:0 0 14px;font-size:18px}body[data-space=parent] #childrenList>p{border:1px solid var(--line);border-radius:16px;padding:20px;background:var(--soft);line-height:1.8}body[data-space=parent] #childrenList button{font-size:13px}body[data-space=parent] #cloud>h2{font-size:24px}body[data-space=parent] #cloud input{min-height:46px}body[data-space=parent] #parentBox>.row{padding:12px 0}body[data-space=parent] #cloud{border-radius:20px}body[data-space=academy] .p61-nav{background:#101c36}body[data-space=academy] .dual-hero img{display:none}body[data-space=academy] .dual-hero{padding-right:34px;background:radial-gradient(circle at 95% 20%,#40577e 0,transparent 40%),#101c36}body[data-space=academy] .dual-hero:after{content:'∫  ∑  π';position:absolute;right:28px;bottom:18px;font:48px Georgia,serif;color:#ffffff20;pointer-events:none}body[data-space=academy] .sig-card .sig-icon{color:#6558d3;font-family:Georgia,serif}body[data-space=academy] .level{border-radius:10px;background:var(--surface);border:1px solid var(--line)}body[data-space=academy] .question{font-family:Georgia,serif;font-weight:600}body[data-space=academy] dialog{border-radius:16px!important}body[data-space=kids]{--canvas:#f7f2ff;--surface:#fff;--text:#39265f;--sub:#65558a;--line:#e9ddff;--soft:#f1eaff;--purple:#7049d1;background:radial-gradient(circle at 85% 12%,#ffe8bb 0,transparent 25%),radial-gradient(circle at 30% 70%,#d9f8ee 0,transparent 35%),var(--canvas)}body[data-space=kids] .p61-header{background:linear-gradient(110deg,#5635b5,#8753d9);border:0}body[data-space=kids] .p61-nav{background:#482c92}body[data-space=kids] .p61-nav button.active{background:#fff0c9;color:#563494;box-shadow:none}body[data-space=kids] .dual-hero{background:linear-gradient(120deg,#6940c8,#a04fd0);border-radius:30px;overflow:hidden}body[data-space=kids] .dual-hero:after{content:'✦  ★  ✧';position:absolute;right:18px;bottom:10px;color:#ffe6a4;font-size:28px;pointer-events:none}body[data-space=kids] .dual-hero img{filter:drop-shadow(0 8px 12px #38207055);animation:sigfloat 4s ease-in-out infinite}body[data-space=kids] .panel{border-radius:24px}body[data-space=kids] .sig-card{border:0;border-radius:24px;box-shadow:0 5px 0 #6940c81a;min-height:170px;color:#432a73}body[data-space=kids] .sig-card:nth-child(4n+1){background:#fff0c9}body[data-space=kids] .sig-card:nth-child(4n+2){background:#d8f7ed}body[data-space=kids] .sig-card:nth-child(4n+3){background:#fce0f1}body[data-space=kids] .sig-card:nth-child(4n+4){background:#e0eaff}body[data-space=kids] .sig-card small{color:#574775}body[data-space=kids] .sig-icon{font-size:38px}body[data-space=kids] .level{background:var(--soft);border:2px solid var(--line);border-radius:22px}body[data-space=kids] .level:nth-child(3n+1){border-color:#e7c55e}body[data-space=kids] .level:nth-child(3n+2){border-color:#73cbb7}body[data-space=kids] .level:nth-child(3n+3){border-color:#bba2f5}body[data-space=kids] button:not(.sig-card){border-radius:14px}body[data-space=kids] #game .question{font-size:clamp(36px,7vw,72px)}body[data-space=kids] #game .op,body[data-space=kids] #comparisonAnswer button{min-height:58px}body[data-space=kids] .dual-metrics>div{border-radius:22px}html[data-scheme=dark] body[data-space]{--canvas:#101827;--surface:#19263e;--text:#e9edf7;--sub:#b7c3d8;--line:#34435c;--soft:#24334e;background:var(--canvas)}html[data-scheme=dark] body[data-space=kids]{--canvas:#211b39;--surface:#30264d;--text:#f5edff;--sub:#d1c1ec;--line:#58467c;--soft:#3e305f;background:var(--canvas)}@keyframes sigfloat{50%{transform:translateY(-8px)}}@media(prefers-reduced-motion:reduce){body[data-space=kids] .dual-hero img{animation:none}}@media(max-width:800px){body[data-space] main{padding:10px 12px 30px}body[data-space] .panel{padding:18px}body[data-space] .dual-hero{padding:22px 105px 22px 20px;min-height:210px}body[data-space] .dual-hero img{width:82px;height:110px;right:12px}body[data-space] .dual-metrics{gap:7px}body[data-space] .dual-metrics>div{padding:10px;font-size:11px}body[data-space] .dual-metrics strong{font-size:21px}.sig-shortcuts{gap:10px}.sig-card{padding:16px;min-height:140px}.sig-card strong{font-size:15px}.sig-parent-title{padding:20px}.sig-parent-title h2{font-size:23px}body[data-space=kids] .p61-nav{position:fixed;top:auto;bottom:0;left:0;right:0;box-shadow:0 -4px 20px #39276b44}body[data-space=kids] main{padding-bottom:90px}body[data-space=kids] footer{padding-bottom:75px}}@media print{.sig-shortcuts,.sig-parent-title{display:none!important}body[data-space] main{padding:0}}