*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:#f3f5f9;color:#1d2433;line-height:1.5}
a{color:#2457d6;text-decoration:none}
h1{font-size:1.5rem;margin:.2rem 0 1rem}h2{font-size:1.1rem;margin:.2rem 0 .6rem}
code{background:#eef1f7;padding:1px 6px;border-radius:4px}
.muted{color:#6b7488;font-size:.9rem}
.container{max-width:1150px;margin:0 auto;padding:20px 16px 60px}
.nav{display:flex;align-items:center;gap:20px;background:#1f3a8a;color:#fff;padding:10px 20px;flex-wrap:wrap}
.nav .brand{color:#fff;font-weight:700;font-size:1.1rem}
.nav .links{display:flex;gap:14px;flex:1;flex-wrap:wrap}
.nav .links a{color:#dbe4ff;padding:4px 8px;border-radius:6px}
.nav .links a:hover{background:rgba(255,255,255,.15)}
.logout{display:flex;align-items:center;gap:10px;font-size:.85rem}
.card{background:#fff;border-radius:10px;padding:18px;margin-bottom:16px;box-shadow:0 1px 3px rgba(20,30,60,.08)}
.head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;background:#2457d6;color:#fff;border:0;border-radius:8px;padding:9px 16px;font-size:.95rem;cursor:pointer}
.btn:hover{background:#1c47b3}.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-sm{padding:5px 10px;font-size:.85rem}.btn-block{width:100%;margin-top:10px}
.btn-light{background:#e7ecf8;color:#1d2f6b}.btn-light:hover{background:#d6def2}
.btn-danger{background:#d63a3a}.btn-danger:hover{background:#b72b2b}
input[type=text],input[type=password],input[type=email],input[type=number],input[type=datetime-local],input[type=file],select,textarea{width:100%;padding:8px 10px;border:1px solid #c9d0e0;border-radius:8px;font:inherit;background:#fff}
textarea{resize:vertical}
label{display:block;margin-bottom:12px;font-weight:600;font-size:.92rem}
label.check{display:inline-flex;align-items:center;gap:8px;font-weight:400;margin-right:16px}
label.check input,.opt-row input[type=checkbox],.opt-row input[type=radio]{width:auto}
.form{max-width:760px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.filters,.inline{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.filters input,.filters select,.inline input,.inline select{width:auto;flex:1;min-width:150px}
.actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.actions form{margin:0}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:9px 8px;border-bottom:1px solid #e6e9f2;vertical-align:top;font-size:.93rem}
th{color:#566080;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}
.badge{display:inline-block;background:#e7ecf8;color:#27408b;border-radius:99px;padding:2px 10px;font-size:.78rem}
.badge-aktif,.badge-selesai{background:#dcf5e3;color:#176b33}
.badge-mengerjakan{background:#fff0cc;color:#8a5a00}
.badge-draft,.badge-belum{background:#eceff5;color:#566080}
.badge-danger{background:#fde0e0;color:#a52222}
.alert{padding:10px 14px;border-radius:8px;margin-bottom:14px}
.alert-ok{background:#dcf5e3;color:#176b33}.alert-err{background:#fde0e0;color:#a52222}
.alert ul{margin:0;padding-left:18px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:16px}
.stat{text-align:center;margin:0}.stat b{display:block;font-size:1.8rem;color:#1f3a8a}.stat span{color:#6b7488;font-size:.85rem}
.login-box{max-width:380px;margin:70px auto}
.pagination{display:flex;gap:4px;list-style:none;padding:0;margin:14px 0 0;flex-wrap:wrap}
.pagination li a,.pagination li span{display:block;padding:5px 11px;border:1px solid #c9d0e0;border-radius:6px;background:#fff;color:#2457d6;font-size:.88rem}
.pagination .active span{background:#2457d6;color:#fff;border-color:#2457d6}.pagination .disabled span{color:#aaa}
fieldset{border:1px solid #d9deea;border-radius:8px;margin:0 0 16px;padding:12px}legend{font-weight:700;padding:0 6px}
.qpick{max-height:380px;overflow:auto;border:1px solid #e1e5ef;border-radius:8px;margin-top:10px}
.qrow{display:flex;gap:8px;align-items:center;padding:7px 10px;border-bottom:1px solid #eef0f6;font-weight:400;margin:0;cursor:pointer}
.qrow input{width:auto}.qrow:hover{background:#f6f8fd}
.opt-row{display:flex;gap:8px;align-items:center;margin:6px 0}.opt-row .obody{flex:1}
.thumb{max-width:220px;border-radius:8px;display:block;margin-bottom:6px}
.essay{border-top:1px solid #e6e9f2;padding-top:10px;margin-top:10px}
.essay-text{white-space:pre-wrap;background:#f6f8fd;border-radius:8px;padding:10px;margin:6px 0}
.result{text-align:center;max-width:520px;margin:30px auto}.score{font-size:4rem;font-weight:800;color:#1f3a8a;margin:8px 0}
/* halaman ujian */
.exam-top{position:sticky;top:0;z-index:5;display:flex;gap:14px;align-items:center;background:#1f3a8a;color:#fff;padding:10px 16px;flex-wrap:wrap}
.exam-top b{flex:1}.exam-top .muted{color:#c9d5ff}
.timer{font-size:1.4rem;font-weight:800;font-variant-numeric:tabular-nums;background:rgba(255,255,255,.15);padding:2px 12px;border-radius:8px}
.timer.danger{background:#d63a3a}
.exam-wrap{display:grid;grid-template-columns:1fr 260px;gap:16px;max-width:1150px;margin:16px auto;padding:0 16px}
.q-card{margin:0;user-select:none}.q-card textarea,.q-card input{user-select:text}
.q-num{color:#6b7488;font-size:.9rem;margin-bottom:6px}
.q-body{font-size:1.1rem;white-space:pre-wrap;margin-bottom:12px}
.q-media{max-width:100%;max-height:360px;border-radius:8px;margin-bottom:12px}
.opt{display:flex;gap:10px;align-items:flex-start;border:1px solid #d3d9e8;border-radius:8px;padding:10px 12px;margin-bottom:8px;cursor:pointer;font-weight:400}
.opt input{width:auto;margin-top:4px}.opt.on{border-color:#2457d6;background:#eaf0ff}
.q-actions{display:flex;justify-content:space-between;align-items:center;margin-top:18px;gap:8px;flex-wrap:wrap}
.q-nav{margin:0;align-self:start;position:sticky;top:70px}
.nav-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin:10px 0}
.nb{border:1px solid #c9d0e0;background:#fff;border-radius:6px;padding:7px 0;cursor:pointer;font:inherit;font-size:.85rem}
.nb.ans{background:#2d9d5b;color:#fff;border-color:#2d9d5b}.nb.flg{background:#f0a400;color:#fff;border-color:#f0a400}
.nb.cur{outline:3px solid #2457d6;outline-offset:1px}
.legend .d{display:inline-block;width:10px;height:10px;border-radius:2px;margin:0 3px 0 8px}.d.ans{background:#2d9d5b}.d.flg{background:#f0a400}.d.cur{background:#2457d6}
@media(max-width:800px){.exam-wrap{grid-template-columns:1fr}.q-nav{position:static}.grid2{grid-template-columns:1fr}}