/* Exam Buya — tema biru muda, minimalis. Tanpa font/CDN eksternal (CSP 'self'). */
:root{
  --c:#4FC3F7;--c-d:#0b86b8;--c-l:#e6f6fd;
  --bg:#f5f8fb;--panel:#fff;--tx:#0f2230;--mut:#6b8394;--bd:#e3ebf1;
  --ok:#14804a;--okbg:#e4f6ec;--er:#b42318;--erbg:#fdeceb;
  --r:14px;--sh:0 1px 2px rgba(15,34,48,.05),0 8px 24px -12px rgba(15,34,48,.12);
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Inter,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--tx);font-size:15px;line-height:1.55;display:flex;min-height:100vh}
a{color:var(--c-d)}
h2{margin:0 0 .2rem;font-size:1.35rem;letter-spacing:-.01em}
h3{margin:1.4rem 0 .5rem;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--mut)}
small,.mut{color:var(--mut)}
code{background:var(--c-l);color:var(--c-d);padding:.12rem .4rem;border-radius:6px;font-size:.88em}

/* Sidebar */
.side{width:248px;flex:none;background:var(--panel);border-right:1px solid var(--bd);padding:1.2rem .9rem;display:flex;flex-direction:column;gap:.2rem;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:.65rem;padding:.3rem .6rem 1.2rem;font-weight:700;font-size:1.08rem;letter-spacing:-.01em}
.mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--c),#9be0fb);display:grid;place-items:center;color:#05324a;box-shadow:0 6px 14px -6px var(--c)}
.mark svg{width:19px;height:19px}
.side a.nav{display:flex;align-items:center;gap:.7rem;padding:.6rem .75rem;border-radius:10px;color:var(--mut);text-decoration:none;font-weight:550;transition:.15s}
.side a.nav svg{width:18px;height:18px;flex:none}
.side a.nav:hover{background:var(--bg);color:var(--tx)}
.side a.nav.on{background:var(--c-l);color:var(--c-d)}
.side .sp{flex:1}
.side form{margin:0}
.side .out{width:100%;display:flex;align-items:center;gap:.7rem;padding:.6rem .75rem;border:0;background:none;border-radius:10px;color:var(--mut);font:inherit;font-weight:550;cursor:pointer}
.side .out:hover{background:var(--erbg);color:var(--er)}
.side .out svg{width:18px;height:18px}

/* Konten */
.wrap{flex:1;min-width:0}
main{max-width:1000px;margin:0 auto;padding:2rem 1.6rem 4rem}
.top{margin-bottom:1.3rem}
.top p{margin:.1rem 0 0;color:var(--mut)}
.card{background:var(--panel);border:1px solid var(--bd);border-radius:var(--r);padding:1.4rem;margin-bottom:1.1rem;box-shadow:var(--sh)}
.card>h2:first-child,.card>h3:first-child{margin-top:0}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem}

/* Form */
label{display:block;margin:.1rem 0 .35rem;font-weight:600;font-size:.86rem}
input[type=text],input[type=password],input[type=number],input[type=url],input[type=datetime-local],textarea,select{
  width:100%;padding:.62rem .8rem;border:1px solid var(--bd);border-radius:10px;background:#fbfdfe;color:var(--tx);font:inherit;transition:.15s}
input:focus,textarea:focus,select:focus{outline:0;border-color:var(--c);box-shadow:0 0 0 4px rgba(79,195,247,.22);background:#fff}
textarea{resize:vertical}
.chk{display:flex;align-items:center;gap:.7rem;padding:.55rem 0;border-bottom:1px dashed var(--bd)}
.chk:last-of-type{border-bottom:0}
.chk label{margin:0;font-weight:500;font-size:.95rem;cursor:pointer;flex:1}
.chk input[type=checkbox]{appearance:none;-webkit-appearance:none;width:42px;height:24px;flex:none;border-radius:99px;background:#cfdde6;position:relative;cursor:pointer;transition:.2s;order:2}
.chk input[type=checkbox]::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:.2s}
.chk input[type=checkbox]:checked{background:var(--c)}
.chk input[type=checkbox]:checked::after{transform:translateX(18px)}
.chk input[type=checkbox]:focus-visible{box-shadow:0 0 0 4px rgba(79,195,247,.3)}
.chk span.chk{border:0;padding:.3rem 1rem .3rem 0;display:inline-flex}

button.p,a.p{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(180deg,#63cdf9,var(--c));color:#04293d;border:0;padding:.68rem 1.3rem;border-radius:11px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none;box-shadow:0 6px 16px -8px var(--c);transition:.15s}
button.p:hover,a.p:hover{transform:translateY(-1px);box-shadow:0 10px 20px -8px var(--c)}
button.p:active{transform:none}
button.d{background:var(--erbg);color:var(--er);border:0;padding:.45rem .85rem;border-radius:9px;font:inherit;font-weight:600;cursor:pointer}
button.d:hover{background:#f9d4d1}
button.g{background:var(--c-l);color:var(--c-d);border:0;padding:.45rem .85rem;border-radius:9px;font:inherit;font-weight:600;cursor:pointer}

/* Tabel */
table{width:100%;border-collapse:collapse}
th{font-size:.74rem;text-transform:uppercase;letter-spacing:.07em;color:var(--mut);font-weight:600}
th,td{padding:.7rem .6rem;border-bottom:1px solid var(--bd);text-align:left;vertical-align:middle;word-break:break-word}
tr:last-child td{border-bottom:0}
tbody tr:hover td{background:#fafdff}
details summary{cursor:pointer;color:var(--c-d);font-weight:600;list-style:none;display:inline-block;margin-right:.5rem}
details[open] summary{margin-bottom:.8rem}
.tag{display:inline-block;padding:.12rem .6rem;border-radius:99px;font-size:.78rem;font-weight:600;background:var(--okbg);color:var(--ok)}
.tag.off{background:#eef2f5;color:var(--mut)}
.inl{display:inline}

/* Notifikasi */
.ok,.err{padding:.75rem 1rem;border-radius:11px;font-weight:550;margin:0 0 1.1rem}
.ok{background:var(--okbg);color:var(--ok)}
.err{background:var(--erbg);color:var(--er)}

/* QR */
.qr{text-align:center}
.qr svg{width:100%;max-width:250px;height:auto;margin:.4rem auto;display:block;border:1px solid var(--bd);border-radius:14px;padding:12px;background:#fff}
.qr h3{margin-top:0;text-transform:none;letter-spacing:0;font-size:1.02rem;color:var(--tx)}

/* Halaman login */
body.auth{display:block;background:radial-gradient(1200px 600px at 80% -10%,#bfeafc 0,transparent 60%),radial-gradient(900px 500px at -10% 110%,#d9f2fd 0,transparent 55%),var(--bg)}
.authbox{min-height:100vh;display:grid;place-items:center;padding:1.4rem}
.authbox .card{width:100%;max-width:400px;padding:2rem;border-radius:20px;box-shadow:0 30px 60px -30px rgba(11,134,184,.35)}
.authbox .brand{justify-content:center;padding:0 0 1.2rem;font-size:1.3rem}
.authbox h2{text-align:center;font-size:1.05rem;color:var(--mut);font-weight:550;margin-bottom:1.2rem}
.authbox button.p{width:100%;justify-content:center;margin-top:1.1rem}
.authbox label{margin-top:.8rem}

/* Mobile */
@media(max-width:820px){
  body{display:block}
  .side{position:fixed;inset:auto 0 0 0;width:auto;height:auto;flex-direction:row;justify-content:space-around;padding:.4rem;border:0;border-top:1px solid var(--bd);z-index:9}
  .brand,.side .sp{display:none}
  .side a.nav,.side .out{flex-direction:column;gap:.15rem;font-size:.68rem;padding:.4rem .5rem;text-align:center}
  main{padding:1.2rem 1rem 6rem}
}
@media print{.side{display:none}body{display:block;background:#fff}.card{box-shadow:none;break-inside:avoid}main{padding:0}}

.tag{white-space:nowrap}
td:last-child{white-space:nowrap}
.pager{display:flex;justify-content:space-between;align-items:center;gap:.5rem;flex-wrap:wrap;padding:.9rem 0 0;font-size:.85rem;color:#6b7c8a}
.pager span:last-child{display:flex;gap:.3rem;flex-wrap:wrap}
.pager a{padding:.3rem .65rem;border-radius:8px;border:1px solid #dbe6ee;color:#2b3a47;text-decoration:none}
.pager a.on{background:var(--c);border-color:var(--c);color:#fff}