:root {
  --latar: #f5f7fb;
  --panel: #ffffff;
  --panel-2: #f1f4f9;
  --garis: #dfe5ee;
  --teks: #101828;
  --redup: #5d6b82;
  --aksen: #4f46e5;        /* indigo */
  --aksen-2: #06b6d4;      /* sian */
  --aksen-lembut: #eef0ff;
  --led: #22c55e;
  --gradasi: linear-gradient(120deg, #4f46e5 0%, #7c3aed 45%, #06b6d4 100%);
  --kuning: #b45309;
  --merah: #dc2626;
  --bayang: 0 1px 2px rgba(16,24,40,.04), 0 8px 24px -12px rgba(79,70,229,.18);
  --mono: 'IBM Plex Mono', ui-monospace, Menlo, Consolas, monospace;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --radius: 14px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--latar); color: var(--teks);
  font: 16px/1.5 var(--sans);
  padding-bottom: 88px; /* ruang bilah bawah */
}
a { color: var(--aksen); }
code { font-family: var(--mono); font-size: .88em; background: var(--panel-2); padding: 1px 5px; border-radius: 4px; overflow-wrap: anywhere; }
.wadah { max-width: 760px; margin: 0 auto; padding: 0 16px; }
[hidden] { display: none !important; }

/* Kepala */
.kepala { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--latar) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--garis); }
.kepala-isi { display: flex; align-items: center; justify-content: space-between; height: 56px; gap: 12px; }
.merek { display: flex; align-items: center; gap: 10px; font: 600 19px var(--mono); color: var(--teks); text-decoration: none; letter-spacing: -.02em; }
.led { width: 10px; height: 10px; border-radius: 50%; background: var(--led); box-shadow: 0 0 0 3px #dcfce7, 0 0 12px var(--led); animation: kedip 2.4s steps(1) infinite; }
@keyframes kedip { 0%, 92% { opacity: 1 } 94% { opacity: .25 } 96% { opacity: 1 } 98% { opacity: .3 } }
@media (prefers-reduced-motion: reduce) { .led { animation: none } }

.pembuka { padding: 40px 0 26px; position: relative; }
.pembuka::before { content: ''; position: absolute; inset: -40px -16px 0; z-index: -1; background:
  radial-gradient(420px 220px at 85% 10%, rgba(6,182,212,.18), transparent 70%),
  radial-gradient(380px 240px at 5% 30%, rgba(124,58,237,.14), transparent 70%),
  linear-gradient(var(--garis) 1px, transparent 1px) 0 0 / 28px 28px,
  linear-gradient(90deg, var(--garis) 1px, transparent 1px) 0 0 / 28px 28px;
  -webkit-mask-image: linear-gradient(#000 40%, transparent); mask-image: linear-gradient(#000 40%, transparent); opacity: .9; }
body { overflow-x: hidden; }
.label-kecil { display: inline-block; font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--aksen); background: var(--aksen-lembut); padding: 4px 10px; border-radius: 99px; margin: 0 0 14px; }
.label-kecil.tengah { display: block; background: none; }
.label-kecil.tengah { text-align: center; color: var(--redup); margin: 28px 0 12px; }
h1 { font-size: clamp(28px, 7vw, 42px); line-height: 1.12; margin: 0 0 14px; letter-spacing: -.025em; font-weight: 700; }
h1 em { font-style: normal; background: var(--gradasi); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sub { color: var(--redup); margin: 0; max-width: 60ch; }

/* Kartu formulir */
.kartu { border: 1px solid var(--garis); background: var(--panel); border-radius: var(--radius); padding: 18px 16px; margin: 0 0 16px; min-width: 0; box-shadow: var(--bayang); }
.kartu legend { font-weight: 600; padding: 2px 10px; background: var(--panel); border: 1px solid var(--garis); border-radius: 99px; display: flex; align-items: center; gap: 8px; margin-left: -6px; }
.no { font: 600 12px var(--mono); width: 22px; height: 22px; display: inline-grid; place-items: center; border-radius: 6px; background: var(--gradasi); color: #fff; }
.modul legend { font-size: 17px; }
.sub-kartu { border: 1px dashed var(--garis); border-radius: 8px; padding: 12px; margin-top: 12px; background: var(--panel-2); }
.baris { display: grid; grid-template-columns: 1fr; gap: 0 14px; }
@media (min-width: 600px) { .baris { grid-template-columns: 1fr 1fr; } .baris.empat { grid-template-columns: repeat(4, 1fr); } }
.baris.empat { grid-template-columns: 1fr 1fr; }
.isian { display: block; margin: 10px 0 0; min-width: 0; }
.isian.sempit { max-width: 200px; }
.judul-isian { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; }
.judul-isian i { color: var(--redup); font-style: normal; font-weight: 400; }
small, .petunjuk { display: block; color: var(--redup); font-size: 13px; margin-top: 6px; }
.petunjuk { margin: 10px 0 0; }

input:not([type=radio]):not([type=checkbox]), textarea {
  width: 100%; font: 15px var(--mono); color: var(--teks); background: var(--panel-2);
  border: 1px solid var(--garis); border-radius: 8px; padding: 11px 12px; min-height: 46px;
}
textarea { resize: vertical; line-height: 1.45; }
input:focus, textarea:focus { outline: 2px solid var(--aksen); outline-offset: 0; border-color: transparent; }
/* Contoh harus jelas BUKAN isian (keluhan jhony 15 Nov): pudar, miring, huruf biasa — isian asli tetap mono tegas */
::placeholder { color: #aab3c2; opacity: 1; font-style: italic; font-family: var(--sans); font-size: 14px; }

/* Pilihan segmen */
.segmen { display: flex; flex-wrap: wrap; gap: 6px; }
.segmen label { flex: 1 1 auto; }
.segmen input { position: absolute; opacity: 0; pointer-events: none; }
.segmen span { display: block; text-align: center; padding: 10px 12px; border: 1px solid var(--garis); border-radius: 8px; background: var(--panel-2); cursor: pointer; font-size: 14px; font-weight: 500; min-height: 44px; white-space: nowrap; }
.segmen input:checked + span { border-color: var(--aksen); color: var(--aksen); background: var(--aksen-lembut); box-shadow: inset 0 0 0 1px var(--aksen); }
.segmen input:focus-visible + span { outline: 2px solid var(--aksen); }
.segmen.kecil { margin-top: 10px; }

/* Saklar */
.saklar { display: flex; align-items: center; gap: 10px; cursor: pointer; margin: 12px 0 0; font-weight: 500; }
legend .saklar { margin: 0; }
.saklar input { position: absolute; opacity: 0; pointer-events: none; }
.saklar span { flex: none; width: 42px; height: 24px; border-radius: 99px; background: #cfd6e2; position: relative; transition: background .15s; }
.saklar span::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: transform .15s; }
.saklar input:checked + span { background: var(--gradasi); }
.saklar input:checked + span::after { transform: translateX(18px); }
.saklar input:focus-visible + span { outline: 2px solid var(--aksen); outline-offset: 2px; }

/* Tombol */
.tombol { font: 600 15px var(--sans); border: 1px solid var(--garis); background: var(--panel); color: var(--teks); border-radius: 8px; padding: 12px 18px; min-height: 46px; cursor: pointer; }
.tombol.utama { background: var(--gradasi); color: #fff; border-color: transparent; box-shadow: 0 8px 20px -8px rgba(79,70,229,.55); }
.tombol.besar { width: 100%; font-size: 17px; min-height: 52px; }
.tombol:active { transform: translateY(1px); }
.tombol-wa { display: inline-block; background: #25d366; color: #052e16; font-weight: 600; text-decoration: none; padding: 12px 18px; border-radius: 8px; }
.tombol-wa.kecil { padding: 7px 12px; font-size: 14px; white-space: nowrap; }

.bilah-bawah { position: fixed; left: 0; right: 0; bottom: 0; z-index: 10; padding: 12px 0 calc(12px + env(safe-area-inset-bottom)); background: color-mix(in srgb, var(--latar) 92%, transparent); backdrop-filter: blur(8px); border-top: 1px solid var(--garis); }

/* Hasil */
.hasil { scroll-margin-top: 70px; margin-top: 24px; }
.kotak-galat, .kotak-peringatan { border-radius: var(--radius); padding: 12px 16px; margin-bottom: 14px; font-size: 14px; }
.kotak-galat { border: 1px solid var(--merah); background: color-mix(in srgb, var(--merah) 10%, transparent); }
.kotak-peringatan { border: 1px solid var(--kuning); background: color-mix(in srgb, var(--kuning) 10%, transparent); }
.kotak-galat ul, .kotak-peringatan ul { margin: 6px 0 0; padding-left: 20px; }
.hasil-kepala { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 4px 12px; }
.hasil-kepala h2 { margin: 0; }
.ringkas { font: 13px var(--mono); color: var(--redup); }
.aksi { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.aksi .tombol { flex: 1 1 140px; }
.script {
  font: 12.5px/1.55 var(--mono); background: #0f172a; color: #dbe7ff; border: 1px solid var(--garis);
  border-radius: var(--radius); padding: 14px; margin: 0; max-height: 60vh; overflow: auto; white-space: pre;
}
.cara { margin-top: 14px; background: var(--panel); border: 1px solid var(--garis); border-radius: var(--radius); padding: 12px 16px; box-shadow: var(--bayang); }
.cara summary { font-weight: 600; cursor: pointer; }
.cara ol { padding-left: 20px; margin: 10px 0 0; }
.cara li { margin-bottom: 8px; }

.ajak { margin: 36px 0 24px; padding: 22px; border-radius: var(--radius); background: var(--gradasi); color: #fff; border: 0; box-shadow: var(--bayang); }
.ajak h2 { margin: 0 0 6px; font-size: 20px; }
.ajak p { margin: 0 0 14px; color: rgba(255,255,255,.88); }
.ajak .tombol-wa { background: #fff; color: #128c4a; }

.kaki { border-top: 1px solid var(--garis); padding: 20px 0 8px; font-size: 13px; color: var(--redup); }
.kaki .redup { opacity: .8; }

.toast { position: fixed; left: 50%; bottom: 96px; transform: translate(-50%, 20px); opacity: 0; background: var(--teks); color: var(--latar); padding: 10px 16px; border-radius: 8px; font-size: 14px; transition: .2s; pointer-events: none; z-index: 20; max-width: calc(100% - 32px); text-align: center; }
.toast.muncul { opacity: 1; transform: translate(-50%, 0); }

.lembar-voucher { display: none; }
@media print {
  body > *:not(.lembar-voucher) { display: none !important; }
  body { background: #fff; color: #000; padding: 0; }
  .lembar-voucher { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .voucher { border: 1px dashed #555; padding: 8px; text-align: center; break-inside: avoid; font-family: var(--sans); }
  .v-nama { font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
  .v-kode { font: 700 18px var(--mono); margin: 4px 0; letter-spacing: .06em; }
  .v-info { font-size: 9px; }
}

/* Banner versi baru */
.banner-versi { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 10px 16px; background: var(--gradasi); color: #fff; font-size: 14px; font-weight: 500; }
.banner-versi span { flex: 1 1 200px; }
.tombol-banner { background: #fff; color: var(--aksen); border: 0; border-radius: 8px; padding: 8px 14px; font: 600 14px var(--sans); cursor: pointer; text-decoration: none; min-height: 40px; display: inline-flex; align-items: center; }
.tutup-banner { background: transparent; border: 0; color: #fff; font-size: 22px; line-height: 1; cursor: pointer; padding: 4px 8px; min-height: 40px; }

.kepala-aksi { display: flex; gap: 8px; align-items: center; }
.tombol-pasang { font: 600 14px var(--sans); color: var(--aksen); background: var(--aksen-lembut); border: 1px solid #c7cbfb; border-radius: 8px; padding: 7px 12px; cursor: pointer; white-space: nowrap; }
.kepala-aksi { min-width: 0; flex-shrink: 1; }
.pendek { display: none; }
/* Kepala sempit: logo + dua tombol tak muat dengan label panjang */
@media (max-width: 480px) { .kepala-aksi .panjang { display: none; } .kepala-aksi .pendek { display: inline; } }
@media (max-width: 340px) { .tombol-wa.kecil, .tombol-pasang { padding: 7px 8px; font-size: 13px; } .merek { font-size: 17px; } }