:root {
  --latar: #f6f7f9; --kad: #fff; --teks: #1b1f24; --redup: #5b6470; --garis: #d5d9e0;
  --utama: #0b6e4f; --utama-teks: #fff; --bahaya: #b42318; --amaran-latar: #fff4e5; --amaran: #8a4b00;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --latar: #111418; --kad: #1a1f25; --teks: #e6e9ee; --redup: #9aa4b1; --garis: #2f3741;
    --utama: #2fb383; --utama-teks: #06150f; --bahaya: #f97066; --amaran-latar: #2b2011; --amaran: #f5b45a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0 auto; max-width: 760px; padding: 1.5rem 1rem 4rem;
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--latar); color: var(--teks);
}
header h1 { margin: 0 0 .25rem; font-size: 1.6rem; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
main { background: var(--kad); border: 1px solid var(--garis); border-radius: 12px; padding: 1.25rem; margin-top: 1rem; }
label { display: block; margin: .5rem 0; font-weight: 600; font-size: .92rem; }
input, textarea, select {
  display: block; width: 100%; margin-top: .25rem; padding: .55rem .65rem;
  font: inherit; font-weight: 400; color: inherit; background: var(--latar);
  border: 1px solid var(--garis); border-radius: 8px;
}
textarea { resize: vertical; font-family: ui-monospace, Consolas, monospace; font-size: .92rem; }
button {
  font: inherit; padding: .5rem .9rem; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--garis); background: var(--kad); color: var(--teks);
}
button:disabled { opacity: .6; cursor: wait; }
button.utama { background: var(--utama); color: var(--utama-teks); border-color: var(--utama); font-weight: 600; margin-top: 1rem; width: 100%; padding: .75rem; }
button.sekunder { color: var(--redup); }
button.bahaya { color: var(--bahaya); border-color: var(--bahaya); }
.baris-butang { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .5rem; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
@media (max-width: 560px) { .grid2 { grid-template-columns: 1fr; } }
.kecil { font-size: .85rem; color: var(--redup); font-weight: 400; }
.ralat { color: var(--bahaya); font-weight: 600; }
.amaran { background: var(--amaran-latar); color: var(--amaran); padding: .6rem .8rem; border-radius: 8px; font-size: .92rem; }

.rekod { display: grid; grid-template-columns: minmax(8rem, 1fr) 2fr auto; gap: .5rem; align-items: start; margin-bottom: .5rem; }
.rekod input, .rekod textarea { margin: 0; }
.rekod textarea { min-height: 2.6rem; overflow: hidden; }
.rekod .buang { padding: .55rem .7rem; color: var(--redup); }
@media (max-width: 560px) {
  .rekod { grid-template-columns: 1fr auto; }
  .rekod textarea { grid-column: 1 / 2; }
}
#kotak-pukal { margin-top: .75rem; padding: .75rem; border: 1px dashed var(--garis); border-radius: 8px; }

.pautan-kotak { display: flex; gap: .5rem; }
.pautan-kotak input { margin: 0; font-family: ui-monospace, Consolas, monospace; font-size: .85rem; }

.rekod-baca { display: grid; grid-template-columns: 1fr auto; gap: .25rem .5rem; padding: .75rem 0; border-bottom: 1px solid var(--garis); }
.rekod-baca .label { grid-column: 1 / -1; font-weight: 600; font-size: .9rem; color: var(--redup); }
.rekod-baca pre {
  margin: 0; padding: .5rem .65rem; background: var(--latar); border-radius: 8px; cursor: pointer;
  white-space: pre-wrap; word-break: break-all; font-family: ui-monospace, Consolas, monospace; font-size: .95rem;
}
.rekod-baca pre.kabur { filter: blur(6px); user-select: none; }
.rekod-baca .salin { align-self: start; }