:root {
  --latar: #f5f3ee;
  --kad: #ffffff;
  --teks: #1c2127;
  --teks-lembut: #5b6570;
  --garis: #d9d5cb;
  --aksen: #0f6b63;
  --aksen-gelap: #0a504a;
  --aksen-lembut: #e1f0ed;
  --amaran: #8a5a00;
  --amaran-latar: #fbf1d9;
  --ralat: #a12c2c;
  --jejari: 14px;
  --tinggi-sentuh: 54px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --latar: #14181c;
    --kad: #1d2328;
    --teks: #eceff2;
    --teks-lembut: #a3adb7;
    --garis: #34404a;
    --aksen: #4fc3b6;
    --aksen-gelap: #7fd8cd;
    --aksen-lembut: #1d3a37;
    --amaran: #f0c36a;
    --amaran-latar: #3a3015;
    --ralat: #ff8f8f;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--latar);
  color: var(--teks);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

.demo-banner {
  background: var(--amaran-latar);
  color: var(--amaran);
  padding: 8px 16px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
}

/* ---------- bar atas ---------- */
.atas {
  position: sticky;
  top: 0;
  z-index: 5;
  padding: 10px 16px 12px;
  background: var(--latar);
  border-bottom: 1px solid var(--garis);
}
.atas-baris {
  max-width: 680px;
  margin: 0 auto 8px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.atas-baris .status { flex: 1; }
.peratus { font-weight: 700; font-variant-numeric: tabular-nums; min-width: 3.2ch; text-align: right; color: var(--aksen-gelap); }
.atas[hidden] { display: none; }
.jenama { font-weight: 700; letter-spacing: .02em; }
.status { font-size: 13px; color: var(--teks-lembut); text-align: right; }
.status.gagal { color: var(--amaran); }
.status.ralat { color: var(--ralat); font-weight: 600; }
.bar {
  max-width: 680px;
  margin: 0 auto;
  height: 8px;
  border-radius: 999px;
  background: var(--garis);
  overflow: hidden;
}
.bar-isi {
  height: 100%;
  width: 0;
  background: var(--aksen);
  border-radius: 999px;
  transition: width .25s ease;
}

/* ---------- kad kandungan ---------- */
.kad {
  max-width: 680px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

h1 { font-size: 32px; line-height: 1.15; margin: 8px 0 4px; letter-spacing: -.01em; }
h1:focus, h2:focus { outline: none; }
.sub { font-size: 20px; color: var(--teks-lembut); margin: 0 0 20px; }
h2 { font-size: 22px; line-height: 1.25; margin: 4px 0 16px; }
p { margin: 0 0 14px; }
.nota { color: var(--teks-lembut); font-size: 15px; }
.jejak { color: var(--teks-lembut); font-size: 14px; margin: 0 0 14px; letter-spacing: .02em; }
.pautan-kecil { color: var(--aksen); }

.pengakuan {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  margin: 20px 0;
  background: var(--kad);
  border: 1px solid var(--garis);
  border-radius: var(--jejari);
  cursor: pointer;
}
.pengakuan input { width: 24px; height: 24px; margin: 2px 0 0; flex: none; accent-color: var(--aksen); }

.peringatan {
  background: var(--aksen-lembut);
  border-radius: var(--jejari);
  padding: 14px 16px;
  margin: 0 0 18px;
}

/* ---------- soalan ---------- */
.soalan-blok {
  background: var(--kad);
  border: 1px solid var(--garis);
  border-radius: var(--jejari);
  padding: 18px 16px 8px;
  margin: 0 0 16px;
}
.soalan-blok legend, .label-soalan {
  font-weight: 600;
  padding: 0;
  margin: 0 0 12px;
  display: block;
  /* legend dalam fieldset duduk di atas garis sempadan; float menariknya masuk ke dalam kotak */
  float: left;
  width: 100%;
}
.soalan-blok legend + * { clear: both; }
.soalan-blok.belum { border-color: var(--ralat); box-shadow: 0 0 0 2px var(--ralat); }
.soalan-blok.belum legend { color: var(--ralat); }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.soalan { margin: 0 0 14px; }
.soalan-akhir { font-weight: 600; }
.soalan-teks { font-size: 18px; }
.petikan {
  margin: 0 0 14px;
  padding: 12px 16px;
  border: 2px solid var(--aksen);
  background: var(--aksen-lembut);
  border-radius: var(--jejari);
}
.petikan p { margin: 0 0 6px; }
.petikan p:last-child { margin: 0; }

.pilihan { display: grid; gap: 10px; margin: 0 0 12px; }
.opsi-wrap { display: grid; gap: 8px; }
.opsi {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: var(--tinggi-sentuh);
  padding: 12px 14px;
  background: var(--kad);
  border: 2px solid var(--garis);
  border-radius: var(--jejari);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.opsi:hover { border-color: var(--aksen); }
.opsi.dipilih { border-color: var(--aksen); background: var(--aksen-lembut); }
.opsi:focus-within { outline: 3px solid var(--aksen); outline-offset: 2px; }
.opsi input {
  position: absolute;
  opacity: 0;
  width: 1px; height: 1px;
}
.tanda {
  flex: none;
  width: 26px; height: 26px;
  border: 2px solid var(--garis);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--kad);
}
.opsi.kotak .tanda { border-radius: 7px; }
.opsi input:checked + .tanda { background: var(--aksen); border-color: var(--aksen); }
.opsi input:checked + .tanda::after {
  content: "";
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #fff;
}
.opsi.kotak input:checked + .tanda::after {
  width: 7px; height: 12px;
  border-radius: 0;
  background: transparent;
  border: solid #fff;
  border-width: 0 3px 3px 0;
  transform: rotate(45deg) translate(-1px, -1px);
}
.huruf {
  flex: none;
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  font-weight: 700;
  border: 2px solid var(--garis);
  background: var(--kad);
}
.opsi input:checked + .huruf { background: var(--aksen); border-color: var(--aksen); color: #fff; }
.opsi-teks { flex: 1; min-width: 0; overflow-wrap: anywhere; }

/* ---------- input teks ---------- */
.medan {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
}
.medan .awalan, .medan .unit { color: var(--teks-lembut); font-weight: 600; }
input[type="text"], input[type="password"], select {
  width: 100%;
  min-height: var(--tinggi-sentuh);
  padding: 10px 14px;
  font: inherit;
  color: var(--teks);
  background: var(--kad);
  border: 2px solid var(--garis);
  border-radius: var(--jejari);
}
input[type="text"]:focus, input[type="password"]:focus, select:focus { outline: 3px solid var(--aksen); outline-offset: 1px; border-color: var(--aksen); }
.medan.pendek input[type="text"] { max-width: 160px; }
.lain-input { margin: 0 0 4px 0; }
.lain-input[hidden] { display: none; }
.petunjuk { font-size: 14px; color: var(--amaran); margin: -6px 0 12px; }

/* ---------- navigasi ---------- */
.nav {
  position: sticky;
  bottom: 0;
  display: flex;
  gap: 12px;
  padding: 14px 0 calc(14px + env(safe-area-inset-bottom));
  margin-top: 12px;
  background: linear-gradient(to top, var(--latar) 70%, transparent);
}
.btn {
  flex: 1;
  min-height: var(--tinggi-sentuh);
  padding: 12px 20px;
  font: inherit;
  font-weight: 650;
  border-radius: var(--jejari);
  border: 2px solid var(--aksen);
  background: transparent;
  color: var(--aksen-gelap);
  cursor: pointer;
}
.btn.utama { background: var(--aksen); color: #fff; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:focus-visible { outline: 3px solid var(--aksen); outline-offset: 3px; }
.btn.satu { flex: none; width: 100%; }

/* ---------- semakan ---------- */
.ringkasan {
  background: var(--kad);
  border: 1px solid var(--garis);
  border-radius: var(--jejari);
  padding: 14px 16px;
  margin: 0 0 12px;
}
.ringkasan h3 { margin: 0 0 6px; font-size: 18px; }
.ringkasan.lengkap { border-color: var(--aksen); }
.pautan-btn {
  font: inherit;
  background: none;
  border: 0;
  padding: 2px 6px;
  color: var(--aksen);
  text-decoration: underline;
  cursor: pointer;
}
.mesej-hantar { margin: 14px 0; padding: 12px 14px; border-radius: var(--jejari); background: var(--aksen-lembut); }
.mesej-hantar.ralat { background: var(--amaran-latar); color: var(--amaran); }

/* ---------- dialog ---------- */
.lapisan {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(10, 14, 18, .6);
}
.dialog {
  width: 100%;
  max-width: 460px;
  background: var(--kad);
  border-radius: 18px;
  padding: 22px 20px 18px;
}
.dialog h2 { margin-top: 0; }
.dialog .nav { position: static; padding-bottom: 0; background: none; }

.tamat { text-align: center; padding-top: 48px; }
.tamat .tik {
  width: 72px; height: 72px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--aksen);
  display: grid;
  place-items: center;
}
.tamat .tik::after {
  content: "";
  width: 18px; height: 34px;
  border: solid #fff;
  border-width: 0 6px 6px 0;
  transform: rotate(45deg) translate(-2px, -3px);
}
.rujukan { color: var(--teks-lembut); font-size: 14px; }
.noscript { padding: 24px; text-align: center; }

@media (min-width: 720px) {
  body { font-size: 18px; }
  .kad { padding-top: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  .bar-isi { transition: none; }
}

.sr-fokus {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- pemantau ---------- */
.kad-lebar { max-width: 860px; }
.btn.kecil { flex: none; min-height: 48px; padding: 8px 18px; }
.jadual { width: 100%; border-collapse: collapse; font-size: 15px; }
.jadual th, .jadual td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--garis); }
.jadual .angka { text-align: right; font-variant-numeric: tabular-nums; }
.jadual .jumlah td { font-weight: 700; border-bottom: 0; }

/* ---------- muka depan dan tajuk bahagian ---------- */
.hero { text-align: center; padding: 8px 0 18px; }
.hero .logo { display: block; width: 88px; height: 88px; margin: 0 auto 14px; border-radius: 22px; box-shadow: 0 6px 18px rgba(10, 80, 74, .25); }
.hero h1 { margin: 0 0 4px; font-size: 34px; font-weight: 800; letter-spacing: .06em; }
.hero .sub { margin: 0; }
.hero-kecil { padding-bottom: 8px; }
.hero-kecil .logo { width: 72px; height: 72px; border-radius: 18px; }
.hero-kecil .jejak { margin-bottom: 4px; }
.hero-kecil .tajuk-bhg { margin-bottom: 8px; }
.tajuk-bhg { text-transform: uppercase; font-weight: 800; letter-spacing: .06em; font-size: 21px; }

.kotak {
  background: var(--kad);
  border: 1px solid var(--garis);
  border-radius: var(--jejari);
  padding: 14px 16px 6px;
  margin: 0 0 14px;
}
.kotak h3 { margin: 0 0 8px; font-size: 17px; }
.kotak-info { border-color: var(--aksen); background: var(--aksen-lembut); }
.kotak-larang { border-color: var(--ralat); }
.kotak-larang h3 { color: var(--ralat); }
.senarai { margin: 0 0 12px; padding-left: 1.4em; }
.senarai li { margin: 0 0 6px; padding-left: 2px; }
.peringatan .senarai { margin: 8px 0 0; }
.kenalan { margin-top: 4px; }

/* ---------- semakan: cip nombor ---------- */
.grid-cip { display: grid; grid-template-columns: repeat(auto-fill, minmax(50px, 1fr)); gap: 8px; margin-top: 6px; }
.cip {
  font: inherit;
  font-weight: 700;
  min-height: 44px;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  font-variant-numeric: tabular-nums;
}
.cip.ok { background: #dff3e4; color: #14532d; border-color: #86c79a; }
.cip.belum { background: #c62828; color: #ffffff; border-color: #8e1b1b; }
.cip:focus-visible { outline: 3px solid var(--aksen); outline-offset: 2px; }
@media (prefers-color-scheme: dark) {
  .cip.ok { background: #1c3d2a; color: #b8e6c6; border-color: #3f7f58; }
  .cip.belum { background: #b3261e; color: #ffffff; border-color: #ff8f8f; }
}
.legenda { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 0 0 14px; font-size: 15px; color: var(--teks-lembut); }
.cip.kecil { min-height: 28px; min-width: 28px; padding: 0 8px; cursor: default; font-size: 14px; }
.cip.kecil + .cip.kecil { margin-left: 0; }
.legenda .cip.belum { margin-left: 10px; }

/* ---------- penegasan ---------- */
.hero .sub { text-transform: uppercase; letter-spacing: .04em; font-size: 17px; font-weight: 600; }
.kotak-info strong { font-weight: 800; }
.tajuk-larang { display: flex; align-items: center; gap: 10px; text-transform: uppercase; letter-spacing: .08em; font-size: 19px; font-weight: 800; }
.ikon-amaran {
  flex: none;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--ralat);
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0;
}
@media (prefers-color-scheme: dark) { .ikon-amaran { color: #1d2328; } }
.sorot {
  font-weight: 700;
  color: inherit;
  background: #ffe9a6;
  padding: 0 4px;
  border-radius: 4px;
  white-space: nowrap;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

@media (prefers-color-scheme: dark) { .sorot { background: #5a4a14; } }
.nota-soalan { margin: -4px 0 12px; font-size: 14.5px; font-weight: 400; color: var(--teks-lembut); }
.soalan-blok legend + .nota-soalan { clear: both; }
.sorot.panjang { white-space: normal; }

/* ---- v1.2: halaman pemantau */
.jadual-skrol { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.jadual-pautan td { vertical-align: top; }
.jadual-pautan .nama-pautan { font-weight: 700; }
.jadual-pautan .tindakan { white-space: nowrap; }
.jadual-pautan .baris-off td { opacity: .78; }
.btn.halus { min-height: 36px; padding: 4px 12px; font-size: 14px; margin: 2px 4px 2px 0; }
.btn.bahaya { color: #b3261e; border-color: #b3261e; }
.btn.suis-on { background: #1b7a3a; color: #fff; border-color: #1b7a3a; min-width: 72px; }
.btn.suis-off { background: transparent; color: var(--teks-lembut); min-width: 72px; }
.status-buka { color: #1b7a3a; font-weight: 700; }
.status-tutup { color: #b3261e; font-weight: 700; }
.teks-ralat { color: #b3261e; }
@media (prefers-color-scheme: dark) {
  .btn.bahaya, .status-tutup, .teks-ralat { color: #f2b8b5; border-color: #f2b8b5; }
  .status-buka { color: #8fd4a4; }
}
.kad section.kotak p + p { margin-top: 8px; }
.jadual-skrol::after { content: ""; display: block; height: 1px; }

/* ---- v1.2: halaman alat */
.kotak-kod { font-family: ui-monospace, Consolas, monospace; font-size: 14px; word-break: break-all; background: var(--latar); border: 1px solid var(--garis); border-radius: 8px; padding: 10px 12px; }
.grid-input { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin: 12px 0; }
.grid-input label { display: grid; gap: 6px; font-size: 14px; }
.senarai-semak { list-style: none; padding: 0; margin: 12px 0; font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.senarai-semak li { padding: 2px 0; }
.semak-lulus { color: #1b7a3a; }
.semak-gagal { color: #b3261e; font-weight: 700; }
.log-beban { max-height: 320px; overflow: auto; background: var(--latar); border: 1px solid var(--garis); border-radius: 8px; padding: 10px; font-size: 12.5px; white-space: pre-wrap; }
.log-beban:empty { display: none; }
@media (prefers-color-scheme: dark) { .semak-lulus { color: #8fd4a4; } .semak-gagal { color: #f2b8b5; } }
.kad-lebar .nav { position: static; }