*{box-sizing:border-box}
:root{
    --bg:#f4f7fb;--panel:#fff;--text:#172033;--muted:#718096;
    --line:#e6ebf2;--primary:#2563eb;--primary-dark:#1d4ed8;
    --green:#16a34a;--green-soft:#ecfdf3;--red:#dc2626;--red-soft:#fef2f2;
}
body{margin:0;background:linear-gradient(145deg,#f5f8fc 0%,#eef3f9 100%);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text)}
.app-shell{max-width:1450px;margin:auto;padding:26px}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px}
.eyebrow{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--primary);margin-bottom:6px}
h1{margin:0;font-size:32px;letter-spacing:-.03em}
.subtitle{margin:7px 0 0;color:var(--muted)}
.live-badge{background:#fff;border:1px solid var(--line);padding:9px 13px;border-radius:999px;font-size:13px;font-weight:700;box-shadow:0 5px 20px rgba(20,40,80,.05)}
.live-badge span{display:inline-block;width:8px;height:8px;background:#22c55e;border-radius:50%;margin-right:6px}
.filter-panel,.progress-panel,.student-panel{background:var(--panel);border:1px solid var(--line);box-shadow:0 8px 30px rgba(30,55,90,.06);border-radius:18px}
.filter-panel{padding:18px;display:flex;align-items:end;gap:14px;margin-bottom:18px}
.field{flex:1}
label{display:block;font-size:12px;font-weight:800;margin:0 0 7px;color:#4b5563}
select,input{width:100%;height:45px;border:1px solid #dce3ec;border-radius:11px;background:#fff;padding:0 13px;color:var(--text);font-size:14px;outline:none}
select:focus,input:focus{border-color:#8db0f5;box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.btn-primary{height:45px;border:0;border-radius:11px;padding:0 20px;background:var(--primary);color:#fff;font-weight:800;cursor:pointer}
.btn-primary:hover{background:var(--primary-dark)}
.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.summary{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;display:flex;align-items:center;gap:13px;box-shadow:0 8px 25px rgba(30,55,90,.05)}
.summary-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:900;background:#eff6ff;color:var(--primary)}
.summary.hadir .summary-icon{background:var(--green-soft);color:var(--green)}
.summary.belum .summary-icon{background:var(--red-soft);color:var(--red)}
.summary.persen .summary-icon{background:#f5f3ff;color:#7c3aed}
.summary small{display:block;color:var(--muted);font-size:12px;font-weight:700;margin-bottom:3px}
.summary strong{font-size:24px}
.progress-panel{padding:18px;margin-bottom:18px}
.progress-head{display:flex;justify-content:space-between;gap:12px;font-size:13px;margin-bottom:10px}
.progress-head span{color:var(--muted)}
.progress-track{height:10px;background:#edf1f5;border-radius:99px;overflow:hidden}
#progressBar{height:100%;width:0;background:linear-gradient(90deg,#22c55e,#16a34a);border-radius:99px;transition:width .35s}
.last-update{font-size:11px;color:var(--muted);margin-top:9px}
.lists-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.student-panel{overflow:hidden}
.panel-head{padding:18px 20px;display:flex;justify-content:space-between;align-items:center}
.panel-head h2{font-size:17px;margin:0}
.panel-head p{font-size:12px;color:var(--muted);margin:4px 0 0}
.panel-head.success{border-bottom:3px solid #22c55e}
.panel-head.danger{border-bottom:3px solid #ef4444}
.count-pill{min-width:38px;height:32px;padding:0 10px;border-radius:999px;display:grid;place-items:center;font-weight:900}
.success .count-pill{background:var(--green-soft);color:var(--green)}
.danger .count-pill{background:var(--red-soft);color:var(--red)}
.search-wrap{padding:14px 18px 0}
.table-wrap{overflow:auto;max-height:560px;margin-top:10px}
table{width:100%;border-collapse:collapse;font-size:13px;min-width:520px}
th{position:sticky;top:0;background:#fafbfd;color:#64748b;font-size:11px;text-transform:uppercase;letter-spacing:.05em;text-align:left;padding:11px 16px;border-bottom:1px solid var(--line);z-index:1}
td{padding:12px 16px;border-bottom:1px solid #edf0f4}
tr:hover td{background:#fafcff}
.status{display:inline-flex;padding:5px 9px;border-radius:999px;font-size:11px;font-weight:800}
.status.sudah{background:var(--green-soft);color:var(--green)}
.status.belum{background:var(--red-soft);color:var(--red)}
.empty{text-align:center;color:var(--muted);padding:35px!important}
footer{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;padding:15px 3px}
.connected{color:var(--green)!important}.disconnected{color:var(--red)!important}

@media(max-width:900px){
    .app-shell{padding:16px}
    h1{font-size:25px}
    .summary-grid{grid-template-columns:repeat(2,1fr)}
    .lists-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
    .topbar{align-items:center}.subtitle{font-size:13px}.live-badge{font-size:11px;padding:7px 10px}
    .filter-panel{display:grid;grid-template-columns:1fr 1fr}
    .filter-panel .btn-primary{grid-column:1/-1;width:100%}
    .summary{padding:14px}.summary-icon{width:36px;height:36px}.summary strong{font-size:20px}
    .progress-panel{padding:15px}
    .panel-head{padding:15px}.search-wrap{padding:12px 14px 0}
    .table-wrap{max-height:460px}
    th,td{padding:10px 12px}
    footer{flex-direction:column;gap:5px}
}
@media(max-width:390px){
    .app-shell{padding:11px}
    .summary-grid{gap:9px}.summary{gap:8px;padding:12px}
    .summary-icon{width:31px;height:31px;font-size:12px}.summary small{font-size:10px}.summary strong{font-size:18px}
    .filter-panel{gap:9px;padding:12px}
}