:root{color:#253047;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;background:#f5fbff;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}body{background:radial-gradient(circle at 12% 16%,#ffd66647,#0000 26rem),radial-gradient(circle at 88% 10%,#63c9b838,#0000 22rem),linear-gradient(#eff9ff 0%,#fffaf0 100%);min-width:320px;min-height:100vh;margin:0}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.62}.app-shell{width:min(1120px,100% - 32px);margin:0 auto;padding:28px 0 48px}.hero{color:#1f2a44;background:linear-gradient(135deg,#ffffffeb,#f2faffdb),repeating-linear-gradient(45deg,#0000 0 16px,#4e9dcd14 16px 18px);border:1px solid #5786a82e;border-radius:8px;grid-template-columns:1fr auto;align-items:center;gap:24px;min-height:220px;padding:32px;display:grid;box-shadow:0 18px 50px #4a668424}.eyebrow,.panel-title{align-items:center;gap:8px;display:flex}.eyebrow{color:#2f7f7a;margin:0 0 10px;font-weight:800}h1,h2,h3,p{margin-top:0}h1{margin-bottom:12px;font-size:clamp(2.25rem,6vw,4.2rem);line-height:1.05}.hero-copy{color:#5a667c;max-width:560px;margin-bottom:0;font-size:1.08rem;line-height:1.8}.score-orbit{aspect-ratio:1;background:#fff;border:8px solid #ffd666;border-radius:50%;place-items:center;width:172px;display:grid;box-shadow:inset 0 0 0 10px #e8f8f4,0 16px 38px #2f7f7a29}.score-orbit span{color:#f08b3e;font-size:2.4rem;font-weight:900}.score-orbit strong{color:#2f7f7a}.tabbar{gap:10px;margin:18px 0;display:flex;overflow-x:auto}.tab,.ghost-button,.primary-button,.danger-button,.reward-card button{border:0;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:44px;font-weight:800;display:inline-flex}.tab{color:#506178;background:#ffffffc2;border:1px solid #5786a82e;flex:none;padding:0 16px}.tab.active{color:#173b55;background:#dff4ff;border-color:#8dc8e8}.notice{color:#245d3b;background:#e8f8ec;border:1px solid #aee2bd;border-radius:8px;margin-bottom:16px;padding:13px 16px;font-weight:700}.notice.error{color:#8d312d;background:#fff0ee;border-color:#f2b5ae}.content-grid{grid-template-columns:280px 1fr;align-items:start;gap:18px;display:grid}.panel{background:#ffffffe0;border:1px solid #5786a82e;border-radius:8px;padding:20px;box-shadow:0 14px 40px #4a66841a}.panel-title{color:#253047;margin-bottom:16px}.panel-title h2{margin-bottom:0;font-size:1.15rem}.child-list,.reward-grid,.logs,.admin-form,.login-form{gap:12px;display:grid}.child-card{text-align:left;color:#253047;background:#f7fbff;border:1px solid #d9e8f3;border-radius:8px;grid-template-columns:48px 1fr;align-items:center;gap:12px;width:100%;padding:12px;display:grid}.child-card span{aspect-ratio:1;color:#fff;background:#4f9dcd;border-radius:50%;place-items:center;width:48px;font-weight:900;display:grid}.child-card.selected{border-color:#2f7f7a;box-shadow:0 0 0 3px #2f7f7a1f}.child-card strong,.child-card small{display:block}.child-card small,.log-item small{color:#6a7688;margin-top:4px}.ghost-button{color:#31546b;background:#eef7fc;border:1px solid #cfe3ef;width:100%;margin-top:14px}.main-panel{min-height:420px}.score-card{color:#173b55;background:linear-gradient(135deg,#fff4c7 0%,#dff4ff 100%);border-radius:8px;justify-content:space-between;align-items:center;gap:18px;margin-bottom:18px;padding:24px;display:flex}.score-card p{color:#5a667c;margin-bottom:8px;font-weight:800}.score-card h2{margin-bottom:0;font-size:clamp(3rem,10vw,5.5rem);line-height:.95}.log-item{border-bottom:1px solid #e6eef5;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;display:flex}.log-item span{text-align:right;flex:none;min-width:68px;font-size:1.25rem;font-weight:900}.positive{color:#25865d}.negative{color:#d65f4c}.empty{color:#657286;text-align:center;background:#f7fbff;border:1px dashed #bdd8e8;border-radius:8px;margin:0;padding:26px}input,textarea{color:#253047;background:#fbfdff;border:1px solid #cfe0ec;border-radius:8px;outline:none;width:100%;padding:12px 14px}input:focus,textarea:focus{border-color:#4f9dcd;box-shadow:0 0 0 3px #4f9dcd24}label{color:#48566b;gap:8px;font-weight:800;display:grid}.action-row{flex-wrap:wrap;gap:12px;display:flex}.primary-button,.danger-button{color:#fff;flex:1;padding:0 16px}.primary-button{background:#2f7f7a}.danger-button{background:#d65f4c}.reward-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.reward-card{background:#fbfdff;border:1px solid #dceaf3;border-radius:8px;grid-template-rows:1fr auto auto;gap:14px;min-height:210px;padding:18px;display:grid}.reward-card h3{margin-bottom:8px;font-size:1.08rem}.reward-card p{color:#647185;margin-bottom:0;line-height:1.65}.reward-card strong{color:#f08b3e;font-size:1.5rem}.reward-card button{color:#173b55;background:#ffd666}@media (width<=820px){.app-shell{width:min(100% - 20px,720px);padding-top:14px}.hero{grid-template-columns:1fr;padding:22px}.score-orbit{width:132px}.content-grid{grid-template-columns:1fr}.child-list{grid-template-columns:repeat(2,minmax(0,1fr))}.reward-grid{grid-template-columns:1fr}}@media (width<=520px){.hero,.panel,.score-card{padding:16px}.tab{padding:0 12px}.child-list{grid-template-columns:1fr}.score-card{align-items:flex-start}.score-card svg{width:42px;height:42px}}