:root{
  --primary:#0f766e;--primary-d:#115e59;--primary-l:#ccebe7;--primary-xl:#effaf8;
  --accent:#d97706;--accent-l:#fef3c7;
  --bg:#f3f6f5;--card:#fff;--text:#1f2933;--muted:#64748b;--line:#e2e8f0;
  --ok:#15803d;--ok-l:#dcfce7;--warn:#b45309;--warn-l:#fef3c7;--bad:#b91c1c;--bad-l:#fee2e2;
  --info:#1d4ed8;--info-l:#dbeafe;
  --r:12px;--sh:0 1px 2px rgba(15,23,42,.06),0 4px 14px rgba(15,23,42,.05);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",Ubuntu,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}
a{color:var(--primary)}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25}
h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.08rem}
small,.muted{color:var(--muted)}
.hidden{display:none!important}
.wrap{max-width:1180px;margin:0 auto;padding:16px}
.narrow{max-width:760px}

/* topbar */
.topbar{background:var(--primary);color:#fff;position:sticky;top:0;z-index:30;box-shadow:0 2px 8px rgba(0,0,0,.12)}
.topbar .wrap{display:flex;align-items:center;gap:12px;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.2px}
.brand .logo{width:34px;height:34px;border-radius:9px;background:#fff;color:var(--primary);display:grid;place-items:center;font-weight:800;font-size:13px}
.brand small{display:block;color:#d1fae5;font-weight:500;font-size:12px}
.spacer{flex:1}
.topbar .btn{background:rgba(255,255,255,.14);color:#fff;border-color:transparent}
.topbar .btn:hover{background:rgba(255,255,255,.24)}

/* cards & layout */
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:18px;border:1px solid var(--line)}
.card+.card{margin-top:14px}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row.between{justify-content:space-between}
.stack>*+*{margin-top:10px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px}
.stat b{display:block;font-size:1.7rem;line-height:1.1;color:var(--primary-d)}
.stat span{color:var(--muted);font-size:.86rem}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--text);
  padding:9px 14px;border-radius:9px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;line-height:1.2;transition:.12s}
.btn:hover{background:#f8fafc;border-color:#cbd5e1}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-d)}
.btn.accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.danger{color:var(--bad);border-color:#fecaca}
.btn.danger:hover{background:var(--bad-l)}
.btn.ghost{background:transparent;border-color:transparent}
.btn.sm{padding:5px 9px;font-size:.85rem;border-radius:7px}
.btn.lg{padding:13px 20px;font-size:1.05rem}
.btn.block{width:100%}

/* forms */
label{font-weight:600;font-size:.9rem;display:block;margin-bottom:4px}
input,select,textarea{font:inherit;width:100%;padding:9px 11px;border:1px solid #cbd5e1;border-radius:9px;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--primary-l);border-color:var(--primary)}
textarea{resize:vertical;min-height:80px}
input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--primary)}
.field{margin-bottom:12px}
.hint{font-size:.82rem;color:var(--muted);margin-top:3px}
.check{display:flex;align-items:center;gap:8px;font-weight:500;margin:4px 0;cursor:pointer}

/* tables */
.tbl-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px;background:#fff}
table.tbl{border-collapse:collapse;width:100%;font-size:.9rem}
.tbl th,.tbl td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl th{background:#f8fafc;font-weight:700;position:sticky;top:0;z-index:1;white-space:nowrap}
.tbl tr:hover td{background:#fafcfc}
.tbl td.num,.tbl th.num{text-align:right;white-space:nowrap}
.tbl td.c,.tbl th.c{text-align:center}

/* badges */
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:.78rem;font-weight:700;background:#eef2f7;color:#334155;white-space:nowrap}
.badge.ok{background:var(--ok-l);color:var(--ok)}
.badge.warn{background:var(--warn-l);color:var(--warn)}
.badge.bad{background:var(--bad-l);color:var(--bad)}
.badge.info{background:var(--info-l);color:var(--info)}
.badge.pri{background:var(--primary-l);color:var(--primary-d)}
.kat-Istimewa{background:#dcfce7;color:#166534}.kat-Baik{background:#dbeafe;color:#1e40af}
.kat-Memadai{background:#fef3c7;color:#92400e}.kat-Kurang{background:#fee2e2;color:#991b1b}

/* tabs */
.tabs{display:flex;gap:4px;border-bottom:2px solid var(--line);margin-bottom:14px;overflow-x:auto}
.tabs button{border:0;background:none;padding:10px 14px;font:inherit;font-weight:600;color:var(--muted);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px;white-space:nowrap}
.tabs button.on{color:var(--primary-d);border-bottom-color:var(--primary)}

/* toast & modal */
#toasts{position:fixed;right:14px;bottom:14px;z-index:9999;display:flex;flex-direction:column;gap:8px;max-width:min(380px,92vw)}
.toast{background:#1f2933;color:#fff;padding:11px 14px;border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.2);font-size:.92rem;animation:tin .18s ease}
.toast.ok{background:var(--ok)}.toast.bad{background:var(--bad)}
@keyframes tin{from{transform:translateY(8px);opacity:0}}
.modal-bg{position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:100;display:flex;align-items:flex-start;justify-content:center;padding:4vh 12px;overflow:auto}
.modal{background:#fff;border-radius:14px;width:min(640px,100%);box-shadow:0 20px 50px rgba(0,0,0,.25);display:flex;flex-direction:column;max-height:none}
.modal.wide{width:min(1060px,100%)}
.modal-h{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.modal-h h3{margin:0;flex:1}
.modal-b{padding:16px 18px}
.modal-f{padding:12px 18px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap;position:sticky;bottom:0;background:#fff;border-radius:0 0 14px 14px}

/* rich content (soal) */
.rich{line-height:1.7}
.rich p{margin:0 0 .75em}
.rich p:last-child{margin-bottom:0}
.rich table{border-collapse:collapse;margin:.5em 0 .9em;font-size:.95em}
.rich td,.rich th{border:1px solid #cbd5e1;padding:5px 10px;vertical-align:top}
.rich th{background:#f1f5f9}
.rich ul,.rich ol{margin:.3em 0 .8em;padding-left:1.4em}
.rich img,.img-soal{max-width:100%;height:auto;border-radius:8px;display:block;margin:.5em 0}
.stim-title{font-weight:700;color:var(--primary-d);margin-bottom:6px}

/* login */
.login-page{min-height:100vh;display:flex;flex-direction:column}
.login-hero{background:linear-gradient(135deg,var(--primary) 0%,#134e4a 100%);color:#fff;padding:36px 16px 90px;text-align:center}
.login-hero h1{font-size:1.7rem;margin-bottom:6px}
.login-hero p{margin:0;color:#ccfbf1}
.login-box{max-width:430px;width:calc(100% - 24px);margin:-64px auto 24px;background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(15,23,42,.15);padding:6px 20px 22px}
.role-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:14px 0 18px;background:#f1f5f9;padding:5px;border-radius:12px}
.role-tabs button{border:0;background:transparent;padding:9px 4px;border-radius:9px;font:inherit;font-weight:700;color:var(--muted);cursor:pointer}
.role-tabs button.on{background:#fff;color:var(--primary-d);box-shadow:0 1px 3px rgba(0,0,0,.1)}
.pin-input{letter-spacing:.35em;font-size:1.2rem;text-align:center;font-weight:700}
.token-input{letter-spacing:.3em;font-size:1.6rem;text-align:center;font-weight:800;text-transform:uppercase;font-family:ui-monospace,Menlo,Consolas,monospace}

/* ===== ujian ===== */
.exam{display:flex;flex-direction:column;min-height:100vh}
.exam-head{background:var(--primary);color:#fff;position:sticky;top:0;z-index:40}
.exam-head .wrap{display:flex;align-items:center;gap:10px;padding-top:8px;padding-bottom:8px;max-width:1400px}
.exam-head .who{font-size:.85rem;line-height:1.3;min-width:0}
.exam-head .who b{display:block;font-size:.98rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.timer{font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:800;font-size:1.25rem;background:rgba(0,0,0,.2);padding:6px 12px;border-radius:9px;letter-spacing:1px}
.timer.low{background:#dc2626;animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.75}}
.save-ind{font-size:.78rem;opacity:.9;white-space:nowrap}
.save-ind.err{background:#fef08a;color:#713f12;padding:2px 7px;border-radius:6px;opacity:1}
.exam-body{flex:1;max-width:1400px;width:100%;margin:0 auto;padding:14px;display:grid;gap:14px;grid-template-columns:1fr}
.exam-body.has-stim{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}
.pane{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:18px 20px}
.pane.stim{max-height:calc(100vh - 150px);overflow:auto;position:sticky;top:72px;align-self:start}
.qhead{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.qno{background:var(--primary);color:#fff;font-weight:800;border-radius:9px;padding:6px 12px}
.qtype{font-size:.82rem;color:var(--muted)}
.fs-1 .q-text,.fs-1 .pane.stim{font-size:15px}
.fs-2 .q-text,.fs-2 .pane.stim{font-size:17px}
.fs-3 .q-text,.fs-3 .pane.stim{font-size:20px}
.fs-1 .opt{font-size:15px}.fs-2 .opt{font-size:17px}.fs-3 .opt{font-size:20px}
.opts{margin-top:14px;display:flex;flex-direction:column;gap:9px}
.opt{display:flex;gap:12px;align-items:flex-start;border:2px solid var(--line);border-radius:11px;padding:11px 13px;cursor:pointer;background:#fff;transition:.1s;line-height:1.55}
.opt:hover{border-color:#94a3b8}
.opt.sel{border-color:var(--primary);background:var(--primary-xl)}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt .lt{flex:none;width:32px;height:32px;border-radius:50%;border:2px solid #94a3b8;display:grid;place-items:center;font-weight:800;color:#475569;background:#fff}
.opt.multi .lt{border-radius:7px}
.opt.sel .lt{background:var(--primary);border-color:var(--primary);color:#fff}
.opt .ot{flex:1;min-width:0;padding-top:3px}
.kat-tbl{width:100%;border-collapse:collapse;margin-top:12px}
.kat-tbl th,.kat-tbl td{border:1px solid var(--line);padding:10px}
.kat-tbl th{background:#f8fafc;font-size:.9rem}
.kat-tbl td.c{text-align:center;width:96px}
.kat-tbl label.kc{display:inline-grid;place-items:center;width:36px;height:36px;border:2px solid #94a3b8;border-radius:50%;cursor:pointer;margin:0}
.kat-tbl label.kc.sel{background:var(--primary);border-color:var(--primary)}
.kat-tbl label.kc.sel::after{content:"✓";color:#fff;font-weight:800}
.kat-tbl input{position:absolute;opacity:0;pointer-events:none}
.exam-foot{position:sticky;bottom:0;background:#fff;border-top:1px solid var(--line);z-index:35;box-shadow:0 -2px 10px rgba(0,0,0,.05)}
.exam-foot .wrap{display:flex;gap:8px;align-items:center;padding-top:9px;padding-bottom:9px;max-width:1400px}
.ragu{display:flex;align-items:center;gap:8px;font-weight:700;background:var(--warn-l);color:var(--warn);padding:8px 12px;border-radius:9px;cursor:pointer;user-select:none}
.ragu input{width:18px;height:18px}
.navgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(46px,1fr));gap:7px}
.navgrid button{height:44px;border-radius:9px;border:2px solid #cbd5e1;background:#fff;font:inherit;font-weight:800;cursor:pointer;position:relative}
.navgrid button.done{background:var(--primary);border-color:var(--primary);color:#fff}
.navgrid button.ragu{background:#f59e0b;border-color:#f59e0b;color:#fff;padding:0}
.navgrid button.cur{outline:3px solid #1d4ed8;outline-offset:1px}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:.82rem;color:var(--muted);margin-bottom:10px}
.legend i{display:inline-block;width:14px;height:14px;border-radius:4px;vertical-align:-2px;margin-right:4px;border:2px solid #cbd5e1}
.drawer{position:fixed;inset:0;z-index:90;background:rgba(15,23,42,.45);display:flex;justify-content:flex-end}
.drawer .panel{width:min(420px,92vw);background:#fff;height:100%;padding:16px;overflow:auto;box-shadow:-10px 0 30px rgba(0,0,0,.2)}

/* hasil & pembahasan */
.score-big{font-size:2.6rem;font-weight:800;color:var(--primary-d);line-height:1}
.bar{height:10px;background:#e2e8f0;border-radius:99px;overflow:hidden}
.bar>i{display:block;height:100%;background:var(--primary);border-radius:99px}
.bar.lo>i{background:#ef4444}.bar.mid>i{background:#f59e0b}
.pb-item{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:#fff}
.pb-item+.pb-item{margin-top:12px}
.pb-item.benar{border-left:5px solid var(--ok)}
.pb-item.sebagian{border-left:5px solid #f59e0b}
.pb-item.salah{border-left:5px solid var(--bad)}
.pb-opt{padding:6px 10px;border-radius:8px;margin:4px 0;display:flex;gap:8px;align-items:flex-start}
.pb-opt.key{background:var(--ok-l);font-weight:600}
.pb-opt.pick:not(.key){background:var(--bad-l)}
.pb-opt .lt{font-weight:800;min-width:22px}
.pb-exp{margin-top:10px;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:9px;padding:10px 12px}
details.stim-box{background:#f8fafc;border:1px solid var(--line);border-radius:9px;padding:8px 12px;margin-bottom:10px}
details.stim-box summary{cursor:pointer;font-weight:700;color:var(--primary-d)}

/* token display */
.token-show{position:fixed;inset:0;background:var(--primary-d);color:#fff;z-index:200;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px}
.token-show .tk{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:clamp(64px,16vw,200px);font-weight:900;letter-spacing:.12em;background:#fff;color:var(--primary-d);padding:10px 40px;border-radius:24px;margin:20px 0}

/* admin */
.side-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:16px;max-width:1400px;margin:0 auto;padding:16px}
.sidenav{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:8px;align-self:start;position:sticky;top:72px}
.sidenav button{display:flex;width:100%;align-items:center;gap:10px;border:0;background:none;text-align:left;padding:10px 12px;border-radius:9px;font:inherit;font-weight:600;color:#334155;cursor:pointer}
.sidenav button:hover{background:#f1f5f9}
.sidenav button.on{background:var(--primary-l);color:var(--primary-d)}
.sidenav .ic{width:20px;text-align:center}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.toolbar input,.toolbar select{width:auto;min-width:160px}
.empty{padding:30px;text-align:center;color:var(--muted)}
.soal-prev{max-height:4.8em;overflow:hidden;font-size:.88rem;color:#334155}
.opt-edit{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:8px;align-items:start;margin-bottom:8px}
.opt-edit .lt{font-weight:800;padding-top:9px;text-align:center}
.img-pick{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.img-pick img{max-height:90px;border:1px solid var(--line);border-radius:6px}
.sesi-card .tk{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:1.5rem;font-weight:900;letter-spacing:.12em;color:var(--primary-d)}
.dist{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.8rem;white-space:nowrap}

@media (max-width:900px){
  .exam-body.has-stim{grid-template-columns:1fr}
  .pane.stim{position:static;max-height:none}
  .side-layout{grid-template-columns:1fr;padding:10px}
  .sidenav{position:static;display:flex;overflow-x:auto;gap:4px}
  .sidenav button{white-space:nowrap;width:auto}
}
@media (max-width:560px){
  html,body{font-size:14px}
  .wrap{padding:10px}
  .pane{padding:14px}
  .timer{font-size:1.05rem;padding:5px 8px}
  .exam-head .who small{display:none}
  .hide-sm{display:none!important}
  .btn{padding:9px 11px}
}
@media print{
  .no-print,.topbar,.sidenav,.toolbar,.tabs,#toasts{display:none!important}
  body{background:#fff}
  .side-layout{display:block;padding:0}
  .card{box-shadow:none;border:0;padding:0}
  .tbl th{position:static}
}