:root{
  --bg:#f3f4f6; --panel:#fff; --line:#d7dbe0; --text:#1f2328; --muted:#6b7280;
  --accent:#1d5fbf; --accent-soft:#e8f0fc; --yellow:#ffeb3b; --danger:#c62828;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--accent)}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
code{background:#f1f3f5;padding:1px 5px;border-radius:4px}
h3{font-size:14px;margin:16px 0 8px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.btn{display:inline-block;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 14px;color:var(--text);text-decoration:none;line-height:1.2}
.btn:hover{background:#f7f8fa}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:#174d9c}
.btn.danger{color:var(--danger);border-color:#f0c3c3}
.btn.sm{padding:4px 10px;font-size:13px;border-radius:6px}
.btn.disabled{opacity:.45;pointer-events:none}
.field{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}
.field label{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.field input,.field select,.field textarea,select#pilih-siswa{border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#fff}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 16px}
@media (max-width:700px){.grid2,.grid3{grid-template-columns:1fr}}
.hidden{display:none!important}
.inline{display:inline}
.right{text-align:right}
.nowrap{white-space:nowrap}
.muted{opacity:.55}

.topbar{background:#fff;border-bottom:1px solid var(--line);padding:10px 20px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;position:sticky;top:0;z-index:5}
.topbar .brand a{color:var(--text);text-decoration:none;font-size:16px}
.topbar .sub{color:var(--muted);font-size:12px}
.tabs{display:flex;gap:4px;flex-wrap:wrap}
.tabs a{text-decoration:none;padding:8px 12px;border-radius:8px;color:var(--muted);font-weight:600}
.tabs a.active{background:var(--accent-soft);color:var(--accent)}
.topbar .userbox{margin-left:auto;display:flex;align-items:center;gap:10px;color:var(--muted)}
.subnav{background:#fff;border-bottom:1px solid var(--line)}
.subnav-inner{max-width:1100px;margin:0 auto;padding:6px 20px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.subnav .kelas-nama{font-weight:700}
.subnav .kelas-nama small{color:var(--muted);font-weight:400}
main{max-width:1100px;margin:0 auto;padding:20px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin-bottom:16px}
.panel h2{font-size:15px;margin:0 0 12px}
.hint{color:var(--muted);font-size:13px;margin:0 0 12px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;background:#e6f4ea;color:#1e4620;border:1px solid #b7e1c1}
.flash.err{background:#fdecea;color:#7a1f1f;border-color:#f3c2bf}

/* tabel input nilai */
table.entry{width:100%;border-collapse:collapse;font-size:14px}
table.entry th,table.entry td{border:1px solid var(--line);padding:4px 6px;text-align:center}
table.entry th{background:#f7f8fa;font-weight:600}
table.entry td.nama{text-align:left}
table.entry td.mulok-head{text-align:left;font-weight:600;background:#fafafa}
table.entry input.n{width:62px;text-align:center;border:1px solid transparent;border-radius:6px;padding:6px 4px;background:transparent}
table.entry input.n:focus{outline:none;border-color:var(--accent);background:#fff}
table.entry td.kuning{background:var(--yellow)}
table.entry td.kuning input.n{font-weight:700}
table.entry td.error{outline:2px solid var(--danger)}
.kktp{color:var(--muted)}

/* daftar */
table.list{width:100%;border-collapse:collapse}
table.list th,table.list td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left;vertical-align:middle}
table.list th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
table.list input:not([type=checkbox]),table.list select{border:1px solid transparent;border-radius:6px;padding:6px 8px;width:100%;background:transparent}
table.list input:focus,table.list select:focus{outline:none;border-color:var(--accent);background:#fff}
table.list input.short{width:70px;text-align:center}
.logo-preview{width:72px;height:72px;object-fit:contain;border:1px dashed var(--line);border-radius:8px;background:#fff}

/* login */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 30px;width:360px;max-width:92vw;text-align:center}
.login-card h1{font-size:18px;margin:8px 0 2px}
.login-card form{text-align:left;margin-top:16px}
.login-logo{width:72px;height:72px;object-fit:contain}

/* halaman cetak (layar) */
.cetak-body{background:#9aa0a6}
.toolbar{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);padding:10px 16px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;z-index:5}
.cetak-body .page{margin:20px auto;box-shadow:0 4px 24px rgba(0,0,0,.35)}
@media print{.no-print{display:none!important}.cetak-body{background:#fff}.cetak-body .page{margin:0;box-shadow:none}}