:root { --brand: #185f47; }
* { box-sizing: border-box; }
body {
  font-family: -apple-system, 'Segoe UI', sans-serif;
  background: #101418; color: #e8e8e8; margin: 0; min-height: 100vh;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
body.lang-ar { font-family: 'Segoe UI', 'Noto Naskh Arabic', serif; }
.wrap { max-width: 440px; width: 100%; }
.card { background: #1a2028; padding: 28px; border-radius: 16px; border: 1px solid #2c3540; }
.hdr { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
/* brand sebagai pautan ke laman utama (sub-halaman) */
.hdr-link { text-decoration: none; color: inherit; }
.hdr-link h1 { color: #e8e8e8; transition: color .15s; }
.hdr-link:hover h1 { color: var(--brand); }
/* pautan 'balik ke laman utama' */
.backhome {
  display: inline-flex; align-items: center; gap: 6px;
  color: #9aa4b0; text-decoration: none; font-size: 13px; margin-bottom: 14px;
}
.backhome:hover { color: var(--brand); }
body.lang-ar .backhome span[aria-hidden] { transform: scaleX(-1); display: inline-block; }
.badge {
  width: 46px; height: 46px; border-radius: 12px; background: var(--brand);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700; color: #fff;
}
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 18px; margin: 0 0 4px; }
p { color: #9aa4b0; font-size: 14px; line-height: 1.55; }
input {
  width: 100%; padding: 12px; margin: 10px 0; border-radius: 10px;
  border: 1px solid #2c3540; background: #0d1116; color: #fff;
}
button.primary {
  width: 100%; padding: 12px; border-radius: 10px; border: 0;
  background: var(--brand); color: #fff; font-size: 16px; font-weight: 600; cursor: pointer;
}
button.primary:disabled { opacity: .6; cursor: default; }
.msg { font-size: 14px; min-height: 18px; margin: 8px 0; }
.err { color: #f87171; } .ok { color: #4ade80; }
.code {
  background: #0d1116; padding: 14px; border-radius: 10px; margin: 12px 0;
  word-break: break-all; font-family: monospace; font-size: 15px; color: #4ade80;
}
a { color: var(--brand); }
.optcard {
  display: block; background: #0d1116; padding: 16px; border-radius: 12px;
  margin: 10px 0; text-decoration: none; color: inherit; border: 1px solid #2c3540;
}
.optcard:hover { border-color: var(--brand); }
.optcard .t { font-weight: 600; font-size: 15px; color: #e8e8e8; }
.optcard .d { color: #9aa4b0; font-size: 13px; margin-top: 4px; }
.foot { color: #6b7580; font-size: 12px; margin-top: 16px; text-align: center; }
.hint {
  background: #0d1116; border: 1px solid #2c3540; border-radius: 10px;
  padding: 12px 14px; font-size: 13px; color: #9aa4b0; line-height: 1.5; margin: 12px 0;
}
/* nav bahasa */
.langbar { display: flex; justify-content: flex-end; gap: 4px; margin-bottom: 12px; }
.mkt-lang-btn {
  background: #0d1116; color: #9aa4b0; border: 1px solid #2c3540;
  border-radius: 8px; padding: 4px 10px; font-size: 13px; cursor: pointer;
}
.mkt-lang-btn[aria-current="true"] { background: var(--brand); color: #fff; border-color: var(--brand); }