:root{--bg:#f4f7fc;--card:#ffffff;--card2:#eef3fa;--line:#d8e1ef;--text:#132a4a;--muted:#64748b;--green:#1e6fd9;--red:#e05252;--yellow:#f97316;--blue:#1e6fd9}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;min-height:100vh}
header{position:sticky;top:0;z-index:50;background:#ffffff;border-bottom:2px solid var(--blue);padding:12px 16px;box-shadow:0 2px 10px rgba(19,42,74,.06)}
.hwrap{max-width:960px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}
.brand{display:flex;align-items:center;gap:9px}
.brand img{height:36px;width:36px;border-radius:9px;object-fit:cover;border:2px solid var(--yellow)}
.brand b{font-size:15px;color:var(--blue)}.brand b span{color:var(--yellow)}
.userbox{display:flex;align-items:center;gap:8px}
.userbox img{width:32px;height:32px;border-radius:50%;object-fit:cover;border:2px solid var(--blue)}
.uname{font-size:12px;font-weight:700;color:var(--text)}
.logout{color:var(--blue);font-size:12px;font-weight:600;text-decoration:none;border:1px solid var(--line);background:#fff;padding:6px 12px;border-radius:18px}
main{max-width:960px;margin:0 auto;padding:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:14px;box-shadow:0 2px 10px rgba(19,42,74,.05)}
.card h2{font-size:14px;letter-spacing:1px;margin-bottom:12px;color:var(--blue)}
.muted{color:var(--muted)}.small{font-size:11px}
.g{color:var(--green)}.r{color:var(--red)}.y{color:var(--yellow)}.b{color:var(--blue)}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:14px}
@media(min-width:640px){.stats{grid-template-columns:repeat(4,1fr)}}
.scard{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center;box-shadow:0 2px 10px rgba(19,42,74,.05)}
.scard .n{font-size:20px;font-weight:800;color:var(--blue)}
.scard .l{font-size:10px;color:var(--muted);margin-top:4px;letter-spacing:1px}
.btn{display:inline-block;border:none;border-radius:10px;padding:12px 20px;font-size:13px;font-weight:800;cursor:pointer;text-decoration:none;text-align:center}
.btn-green{background:var(--blue);color:#fff}
.btn-red{background:var(--red);color:#fff}
.btn-yellow{background:var(--yellow);color:#fff}
.btn-ghost{background:#fff;color:var(--blue);border:1px solid var(--line)}
.btn-sm{padding:8px 12px;font-size:11px;border-radius:8px}
input,select{width:100%;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px;color:var(--text);font-size:14px}
input:focus{outline:none;border-color:var(--blue)}
input[type=file]{padding:10px;background:var(--card2)}
label{display:block;font-size:11px;font-weight:700;color:var(--blue);margin:0 0 6px;letter-spacing:1px}
.fgroup{margin-bottom:14px}
.grid2{display:grid;grid-template-columns:1fr;gap:0 12px}
@media(min-width:640px){.grid2{grid-template-columns:1fr 1fr}}
.badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:10px;font-weight:800}
.badge.g{background:rgba(30,111,217,.12);color:var(--blue)}
.badge.r{background:rgba(224,82,82,.12);color:var(--red)}
.badge.y{background:rgba(249,115,22,.12);color:var(--yellow)}
.badge.b{background:rgba(30,111,217,.12);color:var(--blue)}
.row-item{display:flex;align-items:center;gap:10px;padding:10px;border-radius:10px;background:var(--card2);border:1px solid var(--line);margin-bottom:8px;flex-wrap:wrap}
.row-item .info{flex:1;min-width:140px}
.row-item .nm{font-size:13px;font-weight:700;color:var(--text)}
.row-item .mt{font-size:11px;color:var(--muted)}
.avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;border:2px solid var(--blue)}
.ph{width:44px;height:44px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:12px}
th,td{padding:8px 6px;text-align:left;border-bottom:1px solid var(--line)}
th{font-size:10px;color:var(--muted);letter-spacing:1px}
.tblwrap{overflow-x:auto}
.pbar{background:var(--card2);border-radius:20px;height:12px;overflow:hidden;margin:8px 0;border:1px solid var(--line)}
.pfill{height:100%;background:linear-gradient(90deg,var(--yellow),var(--blue));border-radius:20px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.tabs a{padding:9px 14px;border-radius:10px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:12px;font-weight:700;text-decoration:none}
.tabs a.on{border-color:var(--yellow);color:var(--yellow);background:rgba(249,115,22,.08)}
.alert{padding:12px 16px;border-radius:10px;margin-bottom:14px;font-size:13px;background:rgba(30,111,217,.08);border:1px solid rgba(30,111,217,.35);color:var(--blue)}
.empty{text-align:center;color:var(--muted);padding:18px;font-size:12px}
.cycle{display:flex;gap:5px;justify-content:center;margin-top:10px}
.cday{width:34px;height:34px;border-radius:50%;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--muted)}
.cday.on{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 0 0 4px rgba(30,111,217,.2)}
.cday.past{background:rgba(30,111,217,.12);border-color:var(--blue);color:var(--blue)}
.rank{width:30px;height:30px;border-radius:50%;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;color:var(--blue)}
.rank.r1{background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#fff;border:none}
.rank.r2{background:linear-gradient(135deg,#94a3b8,#64748b);color:#fff;border:none}
.rank.r3{background:linear-gradient(135deg,#f97316,#c2410c);color:#fff;border:none}
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(900px 420px at 85% -10%,rgba(249,115,22,.12),transparent),radial-gradient(900px 500px at 10% 110%,rgba(30,111,217,.12),transparent),var(--bg)}
.auth-card{width:100%;max-width:430px;background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 12px 40px rgba(19,42,74,.12)}
.auth-head{padding:26px;text-align:center;border-bottom:2px solid var(--blue);background:linear-gradient(180deg,rgba(30,111,217,.06),#fff)}
.auth-head img{width:72px;height:72px;border-radius:50%;border:3px solid var(--yellow);object-fit:cover;margin-bottom:10px}
.auth-head h1{font-size:20px;color:var(--blue)}.auth-head p{color:var(--muted);font-size:12px;margin-top:4px}
.auth-tabs{display:flex}
.auth-tabs button{flex:1;background:var(--card2);border:none;color:var(--muted);padding:14px;font-size:13px;font-weight:800;cursor:pointer}
.auth-tabs button.on{background:#fff;color:var(--yellow)}
.auth-body{padding:24px}