*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#1e40af;--primary-h:#1d4ed8;--accent:#0ea5e9;
  --success:#16a34a;--danger:#dc2626;--warn:#d97706;
  --bg:#f0f4f8;--card:#fff;--border:#cbd5e1;--text:#1e293b;
  --muted:#64748b;--radius:12px;--shadow:0 4px 24px rgba(0,0,0,.10);
}
body{font-family:'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;}

/* Navbar */
.navbar{background:linear-gradient(135deg,var(--primary) 0%,#1e3a8a 100%);color:#fff;padding:0 1.5rem;display:flex;align-items:center;gap:1rem;height:64px;position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,0,0,.2);}
.navbar .brand{font-size:1.1rem;font-weight:700;display:flex;align-items:center;gap:.5rem;}
.navbar .sub{font-size:.78rem;opacity:.75;}
.navbar .spacer{flex:1;}
.navbar .badge-course{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:.25rem .75rem;font-size:.78rem;}

/* Timer */
#timer-bar{background:var(--primary);color:#fff;text-align:center;padding:.5rem;font-size:.95rem;font-weight:600;position:sticky;top:64px;z-index:90;transition:background .4s;}
#timer-bar.warn{background:var(--warn);}
#timer-bar.danger{background:var(--danger);animation:pulse 1s infinite;}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.75}}

/* Layout */
.container{max-width:900px;margin:2rem auto;padding:0 1rem;}
.container-sm{max-width:540px;margin:2rem auto;padding:0 1rem;}

/* Card */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:2rem;margin-bottom:1.5rem;}
.card-sm{padding:1.25rem;}
.card-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:2px solid var(--bg);}
.card-header h2{font-size:1.05rem;font-weight:700;}

/* Section badge */
.sec-badge{display:inline-flex;align-items:center;gap:.4rem;background:var(--primary);color:#fff;border-radius:8px;padding:.3rem .9rem;font-size:.85rem;font-weight:600;margin-bottom:1.25rem;}

/* Soal */
.soal-item{margin-bottom:1.5rem;padding:1.25rem;border:1.5px solid var(--border);border-radius:10px;transition:border-color .2s,box-shadow .2s;}
.soal-item:hover{border-color:var(--accent);box-shadow:0 2px 12px rgba(14,165,233,.1);}
.soal-item.answered{border-color:var(--success);}
.soal-num{display:inline-block;background:var(--primary);color:#fff;border-radius:50%;width:28px;height:28px;line-height:28px;text-align:center;font-size:.8rem;font-weight:700;margin-right:.5rem;flex-shrink:0;}
.soal-text{font-size:.97rem;line-height:1.6;margin-bottom:1rem;display:flex;align-items:flex-start;gap:.5rem;}
.soal-tc{flex:1;}

/* Pilihan ganda */
.opsi-list{list-style:none;display:flex;flex-direction:column;gap:.5rem;}
.opsi-list label{display:flex;align-items:flex-start;gap:.75rem;padding:.65rem .9rem;border:1.5px solid var(--border);border-radius:8px;cursor:pointer;transition:background .15s,border-color .15s;font-size:.93rem;}
.opsi-list label:hover{background:#eff6ff;border-color:var(--accent);}
.opsi-list input[type=radio]{display:none;}
.opsi-key{display:inline-flex;width:26px;height:26px;border:2px solid var(--border);border-radius:50%;align-items:center;justify-content:center;font-size:.78rem;font-weight:700;flex-shrink:0;transition:background .15s,border-color .15s;}
.opsi-list li.sel label{background:#eff6ff;border-color:var(--primary);}
.opsi-list li.sel .opsi-key{background:var(--primary);color:#fff;border-color:var(--primary);}

/* Isian & Esai */
.inp-isian{width:100%;padding:.65rem .9rem;border:1.5px solid var(--border);border-radius:8px;font-size:.93rem;transition:border-color .2s;font-family:inherit;}
.inp-isian:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(14,165,233,.15);}
.ta-esai{width:100%;padding:.75rem .9rem;border:1.5px solid var(--border);border-radius:8px;font-size:.93rem;resize:vertical;min-height:140px;transition:border-color .2s;font-family:inherit;line-height:1.6;}
.ta-esai:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(14,165,233,.15);}
.pedoman-box{background:#f0fdf4;border:1px solid #86efac;border-radius:8px;padding:.7rem 1rem;font-size:.82rem;color:#15803d;margin-bottom:.75rem;}

/* Progress */
.prog-wrap{margin-bottom:1.25rem;}
.prog-label{display:flex;justify-content:space-between;font-size:.82rem;color:var(--muted);margin-bottom:.35rem;}
.prog-bar{height:8px;background:#e2e8f0;border-radius:99px;overflow:hidden;}
.prog-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:99px;transition:width .3s;}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.75rem;border-radius:8px;font-size:.97rem;font-weight:600;cursor:pointer;border:none;transition:opacity .15s,transform .1s;text-decoration:none;}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(30,64,175,.35);}
.btn-primary:hover{background:var(--primary-h);}
.btn-danger{background:var(--danger);color:#fff;box-shadow:0 4px 12px rgba(220,38,38,.3);}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary);}
.btn-outline:hover{background:#eff6ff;}
.btn-lg{padding:.9rem 2.2rem;font-size:1.05rem;}
.btn-block{width:100%;justify-content:center;}

/* Form */
.form-group{margin-bottom:1.25rem;}
.form-label{display:block;font-weight:600;margin-bottom:.45rem;font-size:.92rem;}
.form-control{width:100%;padding:.7rem 1rem;border:1.5px solid var(--border);border-radius:8px;font-size:1rem;font-family:inherit;transition:border-color .2s;}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(30,64,175,.12);}
.error-box{background:#fef2f2;border:1px solid #fca5a5;border-radius:8px;padding:.9rem 1rem;margin-bottom:1.25rem;color:var(--danger);font-size:.88rem;}

/* Sticky submit */
.sticky-sub{position:sticky;bottom:0;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);padding:1rem 1.5rem;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:1rem;z-index:80;box-shadow:0 -4px 16px rgba(0,0,0,.08);}
.sticky-sub .ac-txt{font-size:.88rem;color:var(--muted);}
.sticky-sub .ac-txt strong{color:var(--success);}

/* Modal */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;align-items:center;justify-content:center;}
.modal-overlay.active{display:flex;}
.modal-box{background:#fff;border-radius:16px;padding:2rem;max-width:440px;width:90%;box-shadow:0 20px 60px rgba(0,0,0,.25);text-align:center;}
.modal-icon{font-size:3rem;margin-bottom:1rem;}
.modal-title{font-size:1.2rem;font-weight:700;margin-bottom:.5rem;}
.modal-desc{color:var(--muted);font-size:.92rem;margin-bottom:1.5rem;}
.modal-actions{display:flex;gap:.75rem;justify-content:center;}

/* Stats grid */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.75rem;margin-bottom:1.5rem;}
.stat-card{background:#fff;border-radius:10px;box-shadow:0 2px 12px rgba(0,0,0,.07);padding:1rem;text-align:center;}
.stat-num{font-size:1.7rem;font-weight:800;color:var(--primary);}
.stat-label{font-size:.78rem;color:var(--muted);margin-top:.2rem;}

/* Table */
table{width:100%;border-collapse:collapse;font-size:.87rem;}
thead tr{background:#f8fafc;}
th,td{padding:.7rem 1rem;text-align:left;border-bottom:1px solid #e2e8f0;}
th{font-weight:700;color:#475569;font-size:.78rem;text-transform:uppercase;letter-spacing:.4px;}
tr:hover td{background:#f8fafc;}
.badge{display:inline-block;padding:.2rem .6rem;border-radius:99px;font-size:.75rem;font-weight:600;}
.b-ok{background:#dcfce7;color:#16a34a;}
.b-to{background:#fef3c7;color:#d97706;}
.b-ip{background:#dbeafe;color:#1e40af;}
.btn-sm{padding:.35rem .85rem;border-radius:6px;font-size:.82rem;font-weight:600;cursor:pointer;border:none;text-decoration:none;display:inline-block;background:var(--primary);color:#fff;}
.btn-sm:hover{background:var(--primary-h);}

/* Info grid */
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(175px,1fr));gap:.75rem;margin-bottom:1.5rem;}
.info-box{background:#f8fafc;border-radius:8px;padding:.9rem 1rem;}
.info-lbl{font-size:.75rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px;}
.info-val{font-weight:700;font-size:.97rem;margin-top:.25rem;}

/* Detail soal */
.soal-row{margin-bottom:1.1rem;padding:1rem;border:1.5px solid #e2e8f0;border-radius:8px;}
.soal-row.cor{border-color:#86efac;background:#f0fdf4;}
.soal-row.wrg{border-color:#fca5a5;background:#fff1f2;}
.soal-row.esa{background:#fafafa;}
.soal-q{font-size:.88rem;margin-bottom:.5rem;color:#334155;}
.ans-row{display:flex;gap:.5rem;align-items:flex-start;font-size:.83rem;margin-top:.3rem;}
.ans-lbl{font-weight:700;color:var(--muted);min-width:90px;flex-shrink:0;}
.sec-ttl{font-size:.88rem;font-weight:700;color:var(--primary);background:#eff6ff;padding:.45rem .9rem;border-radius:7px;margin-bottom:.85rem;border-left:4px solid var(--primary);}
.esai-box{background:#f8fafc;border-radius:6px;padding:.6rem .8rem;font-size:.83rem;white-space:pre-wrap;line-height:1.6;color:#334155;}
.ped-box{background:#fff7ed;border:1px solid #fdba74;border-radius:6px;padding:.55rem .8rem;font-size:.78rem;color:#9a3412;margin-top:.5rem;}

/* Pagination */
.pagi{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:1rem;justify-content:center;}
.pagi a,.pagi span{padding:.4rem .8rem;border-radius:6px;font-size:.83rem;border:1.5px solid #e2e8f0;text-decoration:none;color:var(--text);}
.pagi .cur{background:var(--primary);color:#fff;border-color:var(--primary);}

/* Search bar */
.search-bar{display:flex;gap:.6rem;margin-bottom:1.2rem;flex-wrap:wrap;}
.search-bar input{flex:1;min-width:180px;padding:.6rem 1rem;border:1.5px solid var(--border);border-radius:8px;font-size:.9rem;font-family:inherit;}
.search-bar input:focus{outline:none;border-color:var(--primary);}
.search-bar button{padding:.6rem 1.1rem;background:var(--primary);color:#fff;border:none;border-radius:8px;cursor:pointer;font-weight:600;font-size:.88rem;}

/* Misc */
.text-center{text-align:center;}
.footer{text-align:center;padding:2rem 1rem;font-size:.8rem;color:var(--muted);}
.info-alert{background:#eff6ff;border:1px solid #bfdbfe;border-radius:8px;padding:.9rem 1rem;}
.info-alert p{font-size:.83rem;color:#1e40af;line-height:1.7;}
.empty{text-align:center;padding:2.5rem;color:#94a3b8;}
@media(max-width:600px){
  .container,.container-sm{padding:0 .5rem;margin:1rem auto;}
  .card{padding:1.25rem;}
  .sticky-sub{flex-direction:column;}
}
@media print{.no-print{display:none!important;}}