/* ===== Tema: variabel dasar (mode Terang, bawaan) ===== */
:root{
  --bg:#f4f6fa;--card:#fff;--ink:#1c2333;--muted:#6b7488;--line:#e3e8f0;
  --brand:#128c7e;--brand-d:#0b6b60;--danger:#d64545;--warn:#d98a06;--ok:#1f9d55;--info:#2563eb;
  --side:#ffffff;--side-ink:#5b6478;--side-ink-strong:#1c2333;--side-line:#e3e8f0;--side-hover:#f1f4f9;
  --badge-bg:#e8ecf3;--bar-bg:#e8ecf3;--input-bg:#fff;--code-bg:#0f1b2d;--code-ink:#d6e2f5;
  --chat-bg:#efeae2;--bubble-in:#fff;--bubble-out:#d9fdd3;--bubble-human:#e3f0ff;
  --b-ok-bg:#dcf5e6;--b-ok-ink:#14703c;--b-warn-bg:#fdf0d5;--b-warn-ink:#8a5a00;
  --b-bad-bg:#fde3e3;--b-bad-ink:#a12626;--b-info-bg:#dfeafe;--b-info-ink:#1d4ed8;
  --alert-ok-bg:#e9f8ef;--alert-ok-line:#b6e5c8;--alert-ok-ink:#14582f;
  --alert-err-bg:#fdeeee;--alert-err-line:#f3c0c0;--alert-err-ink:#8e2020;
  --alert-warn-bg:#fff6e0;--alert-warn-line:#f1d79b;--alert-warn-ink:#7a5200;
  --alert-info-bg:#eaf1ff;--alert-info-line:#c3d6fb;--alert-info-ink:#1e3f8f;
}
/* Mengikuti preferensi sistem operator SELAMA operator belum memilih tema secara manual */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#11151c;--card:#1a1f29;--ink:#e7eaf1;--muted:#98a1b5;--line:#2b3242;
    --side:#161b25;--side-ink:#9aa5bd;--side-ink-strong:#f2f4f8;--side-line:#242b39;--side-hover:#222939;
    --badge-bg:#242b3a;--bar-bg:#242b3a;--input-bg:#20263133;--input-bg:#20263100;--input-bg:#1e2430;
    --code-bg:#0b0f16;--code-ink:#c9d4e6;
    --chat-bg:#2a2620;--bubble-in:#242b39;--bubble-out:#14532d;--bubble-human:#1e3a5f;
    --b-ok-bg:#173a28;--b-ok-ink:#7fe3ab;--b-warn-bg:#3a2e0f;--b-warn-ink:#f0c368;
    --b-bad-bg:#3a1818;--b-bad-ink:#f29c9c;--b-info-bg:#152a4a;--b-info-ink:#8fb7fb;
    --alert-ok-bg:#12301f;--alert-ok-line:#1f5a3a;--alert-ok-ink:#a7e9c3;
    --alert-err-bg:#331414;--alert-err-line:#5c2323;--alert-err-ink:#f4b3b3;
    --alert-warn-bg:#332a0d;--alert-warn-line:#5c4a15;--alert-warn-ink:#f3cd7e;
    --alert-info-bg:#152645;--alert-info-line:#233f74;--alert-info-ink:#a9c6fb;
  }
}
/* Pilihan manual operator (tombol tema), selalu menang atas bawaan sistem di atas */
:root[data-theme="dark"]{
  --bg:#11151c;--card:#1a1f29;--ink:#e7eaf1;--muted:#98a1b5;--line:#2b3242;
  --side:#161b25;--side-ink:#9aa5bd;--side-ink-strong:#f2f4f8;--side-line:#242b39;--side-hover:#222939;
  --badge-bg:#242b3a;--bar-bg:#242b3a;--input-bg:#1e2430;
  --code-bg:#0b0f16;--code-ink:#c9d4e6;
  --chat-bg:#2a2620;--bubble-in:#242b39;--bubble-out:#14532d;--bubble-human:#1e3a5f;
  --b-ok-bg:#173a28;--b-ok-ink:#7fe3ab;--b-warn-bg:#3a2e0f;--b-warn-ink:#f0c368;
  --b-bad-bg:#3a1818;--b-bad-ink:#f29c9c;--b-info-bg:#152a4a;--b-info-ink:#8fb7fb;
  --alert-ok-bg:#12301f;--alert-ok-line:#1f5a3a;--alert-ok-ink:#a7e9c3;
  --alert-err-bg:#331414;--alert-err-line:#5c2323;--alert-err-ink:#f4b3b3;
  --alert-warn-bg:#332a0d;--alert-warn-line:#5c4a15;--alert-warn-ink:#f3cd7e;
  --alert-info-bg:#152645;--alert-info-line:#233f74;--alert-info-ink:#a9c6fb;
}
:root[data-theme="light"]{
  --bg:#f4f6fa;--card:#fff;--ink:#1c2333;--muted:#6b7488;--line:#e3e8f0;
  --side:#ffffff;--side-ink:#5b6478;--side-ink-strong:#1c2333;--side-line:#e3e8f0;--side-hover:#f1f4f9;
  --badge-bg:#e8ecf3;--bar-bg:#e8ecf3;--input-bg:#fff;
  --chat-bg:#efeae2;--bubble-in:#fff;--bubble-out:#d9fdd3;--bubble-human:#e3f0ff;
  --b-ok-bg:#dcf5e6;--b-ok-ink:#14703c;--b-warn-bg:#fdf0d5;--b-warn-ink:#8a5a00;
  --b-bad-bg:#fde3e3;--b-bad-ink:#a12626;--b-info-bg:#dfeafe;--b-info-ink:#1d4ed8;
  --alert-ok-bg:#e9f8ef;--alert-ok-line:#b6e5c8;--alert-ok-ink:#14582f;
  --alert-err-bg:#fdeeee;--alert-err-line:#f3c0c0;--alert-err-ink:#8e2020;
  --alert-warn-bg:#fff6e0;--alert-warn-line:#f1d79b;--alert-warn-ink:#7a5200;
  --alert-info-bg:#eaf1ff;--alert-info-line:#c3d6fb;--alert-info-ink:#1e3f8f;
}

*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;font:14px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand-d);text-decoration:none}a:hover{text-decoration:underline}
.shell{display:flex;min-height:100vh}
.side{width:230px;background:var(--side);color:var(--side-ink);padding:18px 12px;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto;border-right:1px solid var(--side-line)}
.side .logo{color:var(--side-ink-strong);font-weight:700;font-size:16px;padding:4px 10px 16px}
.side .logo small{display:block;font-weight:400;color:var(--side-ink);font-size:11px}
.side a{display:flex;align-items:center;gap:9px;color:var(--side-ink);padding:8px 10px;border-radius:8px;margin-bottom:2px}
.side a .badge{margin-left:auto}
.menu-icon{width:17px;height:17px;flex-shrink:0;opacity:.75}
.side a.active .menu-icon,.side a:hover .menu-icon{opacity:1}
.side a:hover{background:var(--side-hover);text-decoration:none;color:var(--side-ink-strong)}
.side a.active{background:var(--brand);color:#fff}
.side a.active .menu-icon{opacity:1}
.side .sep{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--side-ink);opacity:.75;padding:14px 10px 4px}
.main{flex:1;min-width:0}
.top{background:var(--card);border-bottom:1px solid var(--line);padding:12px 24px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.top form{margin:0}
.content{padding:24px;max-width:1200px}
h1{font-size:20px;margin:0 0 16px}h2{font-size:16px;margin:0 0 12px}h3{font-size:14px;margin:0 0 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:18px}
.grid{display:grid;gap:16px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g2,.g3,.g4{grid-template-columns:1fr}.side{display:none}.content{padding:14px}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.stat .n{font-size:22px;font-weight:700}.stat .l{color:var(--muted);font-size:12px}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:var(--bg)}
.tablewrap{overflow-x:auto}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:8px 14px;font-size:14px;cursor:pointer}
.btn:hover{background:var(--brand-d);text-decoration:none}
.btn.sec{background:var(--card);color:var(--ink);border:1px solid var(--line)}.btn.sec:hover{background:var(--side-hover)}
.btn.danger{background:var(--danger)}.btn.sm{padding:4px 10px;font-size:12px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
label{display:block;font-weight:600;margin:12px 0 4px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],input[type=date],input[type=file],select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font:inherit;background:var(--input-bg);color:var(--ink)}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid #b7e4dd;border-color:var(--brand)}
.hint{color:var(--muted);font-size:12px;margin-top:3px}
.check{display:flex;align-items:center;gap:8px;font-weight:400;margin:10px 0}.check input{width:auto}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;background:var(--badge-bg);color:var(--muted)}
.b-ok{background:var(--b-ok-bg);color:var(--b-ok-ink)}.b-warn{background:var(--b-warn-bg);color:var(--b-warn-ink)}
.b-bad{background:var(--b-bad-bg);color:var(--b-bad-ink)}.b-info{background:var(--b-info-bg);color:var(--b-info-ink)}
.alert{padding:10px 14px;border-radius:8px;margin-bottom:14px;border:1px solid}
.alert.ok{background:var(--alert-ok-bg);border-color:var(--alert-ok-line);color:var(--alert-ok-ink)}
.alert.err{background:var(--alert-err-bg);border-color:var(--alert-err-line);color:var(--alert-err-ink)}
.alert.warn{background:var(--alert-warn-bg);border-color:var(--alert-warn-line);color:var(--alert-warn-ink)}
.alert.info{background:var(--alert-info-bg);border-color:var(--alert-info-line);color:var(--alert-info-ink)}
.bar{height:10px;background:var(--bar-bg);border-radius:999px;overflow:hidden}.bar>i{display:block;height:100%;background:var(--brand)}.bar>i.hi{background:var(--warn)}.bar>i.max{background:var(--danger)}
.muted{color:var(--muted)}.right{text-align:right}.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}
pre.json{background:var(--code-bg);color:var(--code-ink);padding:12px;border-radius:8px;overflow:auto;font-size:12px;max-height:420px}
.guest{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.guest .box{width:100%;max-width:420px}.guest h1{text-align:center}
.chat{border:1px solid var(--line);border-radius:10px;background:var(--chat-bg);padding:10px;height:320px;overflow-y:auto}
.bubble{max-width:80%;padding:6px 10px;border-radius:8px;margin:4px 0;white-space:pre-wrap;word-wrap:break-word;color:var(--ink)}
.bubble.u{background:var(--bubble-out);margin-left:auto}.bubble.a{background:var(--bubble-in)}.bubble.h{background:var(--bubble-human);margin-left:auto}
.bubble small{display:block;color:var(--muted);font-size:10px}
.qr{width:240px;height:240px;border:1px solid var(--line);border-radius:10px;background:#fff}
.plan{border:1px solid var(--line);border-radius:12px;padding:18px;background:var(--card)}.plan.cur{border-color:var(--brand);box-shadow:0 0 0 2px #cdece7}
.plan .price{font-size:22px;font-weight:700}.plan ul{padding-left:18px;margin:10px 0}
.pager{margin-top:12px}.pager nav svg{width:16px;height:16px}.pager nav>div:first-child{display:none}

/* ---- v2: tab, item pengetahuan, grafik ---- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.tabs a{padding:8px 14px;border-radius:8px 8px 0 0;color:var(--muted)}
.tabs a:hover{text-decoration:none;background:var(--side-hover)}
.tabs a.active{background:var(--card);border:1px solid var(--line);border-bottom-color:var(--card);margin-bottom:-1px;color:var(--ink);font-weight:600}
.tabs .badge{margin-left:4px}
.split{display:grid;gap:16px;grid-template-columns:3fr 2fr;align-items:start}
@media(max-width:900px){.split{grid-template-columns:1fr}}
details.item{border:1px solid var(--line);border-radius:10px;margin-bottom:8px;background:var(--card)}
details.item>summary{cursor:pointer;padding:10px 12px;list-style:none;display:flex;justify-content:space-between;gap:10px;align-items:center}
details.item>summary::-webkit-details-marker{display:none}
details.item[open]>summary{border-bottom:1px solid var(--line);background:var(--bg);border-radius:10px 10px 0 0}
details.item .body{padding:12px}
.chartbox{position:relative}
.stat .sub{color:var(--muted);font-size:12px}
.kpi-ok{color:var(--ok)}.kpi-warn{color:var(--warn)}.kpi-bad{color:var(--danger)}

/* ---- v3: sakelar tema ---- */
.theme-toggle{display:inline-flex;align-items:center;gap:6px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:4px;cursor:pointer}
.theme-toggle button{border:0;background:transparent;color:var(--muted);border-radius:999px;padding:5px 9px;cursor:pointer;line-height:1;font-size:14px}
.theme-toggle button.active{background:var(--card);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}