:root{--navy:#071d38;--blue:#0b3768;--gold:#f2b84b;--paper:#f4f7fb;--ink:#142033}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.5 system-ui,sans-serif}header{background:var(--navy);color:#fff;padding:15px max(18px,calc((100% - 1160px)/2));display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.brand,nav a{color:#fff;text-decoration:none}.brand{font-weight:900}nav{display:flex;gap:16px}main{max-width:1160px;margin:28px auto;padding:0 18px}.hero{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;padding:40px;border-radius:22px}.hero h1{font-size:clamp(2rem,5vw,3.6rem);line-height:1.05}.card{background:#fff;border-radius:17px;padding:23px;margin:22px 0;box-shadow:0 8px 24px #13213c12}.login{max-width:460px;margin:70px auto}.grid{display:grid;grid-template-columns:1fr 1.4fr;gap:22px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:22px 0}.stat{background:#fff;padding:17px;border-radius:13px;text-align:center}.stat b{display:block;font-size:1.6rem;color:var(--blue)}table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid #e5eaf1;padding:10px 7px}th{font-size:.78rem;color:#687386;text-transform:uppercase}.you{background:#fff4d6}form{display:grid;gap:15px}label{display:grid;gap:5px;font-weight:700}input,select,textarea{font:inherit;padding:11px;border:1px solid #c8d1de;border-radius:9px}.check{display:flex;align-items:center;gap:8px}.check input{width:auto}button,.button{background:var(--gold);color:#17202e;border:0;border-radius:9px;padding:11px 17px;font-weight:800;text-decoration:none;cursor:pointer}.alert,.success{padding:11px;border-radius:9px}.alert{background:#fde7e7;color:#922}.success{background:#e2f6e8;color:#176b34}footer{text-align:center;color:#687386;padding:25px}@media(max-width:750px){.grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.hero{padding:26px 20px}table{font-size:.86rem}}
.hero.compact{padding:28px 34px}.hero.compact h1{font-size:clamp(2rem,4vw,3rem);margin:.2em 0}.rules-grid,.admin-grid{grid-template-columns:1fr 1fr}.admin-grid,.form-layout{display:grid;gap:22px}.form-layout{grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);align-items:start}.form-layout .card{margin-top:0}.table-scroll{overflow:auto}.flagged{background:#fff0f0}.flag{color:#922;font-weight:700;margin-top:5px}.danger{background:#a32727;color:#fff}.tabs{display:flex;gap:8px;margin:22px 0}.tabs a{padding:10px 18px;border-radius:999px;background:#fff;color:var(--blue);font-weight:800;text-decoration:none}.tabs a.active{background:var(--blue);color:#fff}.progress{height:13px;background:#e5eaf1;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;background:var(--gold)}.score-preview{position:sticky;top:20px;text-align:center}.score-preview>p{font-weight:900;color:#687386;letter-spacing:.1em}.score-preview>b{font-size:4rem;line-height:1;color:var(--blue);display:block}.score-preview>span{color:#687386}.score-preview dl div{display:flex;justify-content:space-between;border-top:1px solid #e5eaf1;padding:10px 0}.receipt{max-width:670px;margin:45px auto;text-align:center}.receipt-icon{display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:#e2f6e8;color:#176b34;font-size:2rem;font-weight:900;margin:auto}.receipt-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;text-align:left}.receipt-grid div{background:#f4f7fb;padding:14px;border-radius:10px}.receipt-grid span,.receipt-grid b{display:block}.receipt-total{display:flex;justify-content:space-between;background:var(--navy);color:#fff;padding:20px;border-radius:12px;margin:18px 0;font-size:1.2rem}.actions{display:flex;align-items:center;justify-content:center;gap:18px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.activity-admin{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.activity-admin form{border:1px solid #e5eaf1;border-radius:12px;padding:12px}.inline-edit{display:grid;grid-template-columns:1fr 1.3fr 80px auto;gap:6px}details form{margin-top:8px}@media(max-width:850px){.rules-grid,.admin-grid,.form-layout{grid-template-columns:1fr}.activity-admin{grid-template-columns:1fr 1fr}.score-preview{position:static}}@media(max-width:750px){.activity-admin{grid-template-columns:1fr}.inline-edit{grid-template-columns:1fr}.section-head,.actions{align-items:stretch;flex-direction:column}}
.leaderboard-grid{align-items:start}.admin-tabs{margin-bottom:0;flex-wrap:wrap}.admin-tabs button{background:#edf2f8;color:var(--blue)}.admin-tabs button.active{background:var(--blue);color:#fff}.filter-bar{display:grid;grid-template-columns:2fr 1fr 1fr;gap:10px;margin:14px 0}.row-actions{display:flex;gap:6px}.row-actions form{display:inline}.secondary{background:#e8edf3;color:var(--blue)}[hidden]{display:none!important}@media(max-width:750px){.filter-bar{grid-template-columns:1fr}.row-actions{flex-direction:column}}