:root { font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif; color: #1a1a1a; background: #f5f6f9; font-synthesis: none; }
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
[hidden] { display: none !important; }
main { padding: 18px 32px 28px; }
.card { background: #fff; border-radius: 24px; box-shadow: 0 8px 36px #202b4010; }
h1 { font-size: 36px; line-height: 1.4; margin: 0; }
.login { max-width: 800px; margin: 100px auto 0; padding: 48px; }
.login h1 { margin-bottom: 42px; }
.login label { display: block; font-size: 27px; font-weight: 600; color: #333; margin-bottom: 18px; }
.login input { width: 100%; height: 76px; padding: 0 24px; border: 2px solid #dcdfe8; border-radius: 12px; font: inherit; font-size: 27px; }
button { border: 0; border-radius: 12px; padding: 20px 38px; font: inherit; font-weight: 600; font-size: 27px; cursor: pointer; color: #fff; }
.primary { background: #4099ff; }
.primary:hover { background: #2786ef; }
.danger { background: #f9686c; }
.danger:hover { background: #e85158; }
button:disabled { opacity: .65; cursor: wait; }
:focus-visible { outline: 3px solid #1266c7; outline-offset: 4px; }
.login-button { width: 100%; margin-top: 32px; min-height: 80px; }
.report { max-width: 1120px; margin: 0 auto; padding: 48px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 40px; flex-wrap: wrap; }
.channel { border: 2px solid #8cdaff; background: #e8f8ff; border-radius: 24px; padding: 10px 24px; font-size: 24px; color: #1895ff; overflow-wrap: anywhere; }
header button { padding: 12px 24px; font-size: 24px; }
.toolbar { display: flex; justify-content: space-between; gap: 24px; align-items: center; padding: 24px; background: #f7f8fa; border-radius: 16px; margin-bottom: 40px; }
fieldset { border: 0; margin: 0; padding: 0; display: flex; gap: 28px; flex-wrap: wrap; }
fieldset label { display: flex; align-items: center; gap: 10px; font-size: 27px; font-weight: 600; color: #333; cursor: pointer; }
input[type="radio"] { width: 25px; height: 25px; accent-color: #0780ff; margin: 0; }
.metrics { padding: 40px; border: 2px solid #efefef; border-radius: 20px; background: #fafafa; }
h2 { font-size: 30px; margin: 0 0 30px; padding-bottom: 20px; border-bottom: 2px solid #e7e7e7; }
dl { margin: 0; font-size: 28px; color: #484848; line-height: 1.7; }
dl div { display: flex; flex-wrap: wrap; margin-top: 12px; }
dd { margin: 0 0 0 10px; overflow-wrap: anywhere; }
.message { color: #b4232d; font-size: 16px; line-height: 1.6; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
@media (max-width: 760px) {
  main { padding: 16px; }
  .login { margin-top: 60px; padding: 28px 24px; }
  h1 { font-size: 28px; }
  .login h1 { margin-bottom: 28px; }
  .login label, .login input { font-size: 18px; }
  .login input { height: 60px; padding: 0 16px; }
  button { font-size: 20px; padding: 16px 24px; }
  .login-button { min-height: 60px; }
  .report { padding: 24px 18px; }
  header { gap: 16px; margin-bottom: 24px; }
  header h1 { width: 100%; }
  .channel, header button { font-size: 16px; padding: 10px 14px; }
  .toolbar { flex-wrap: wrap; padding: 18px; margin-bottom: 24px; }
  fieldset { gap: 18px; }
  fieldset label { font-size: 18px; gap: 6px; }
  input[type="radio"] { width: 20px; height: 20px; }
  .toolbar button { width: 100%; }
  .metrics { padding: 24px 18px; }
  h2 { font-size: 24px; margin-bottom: 22px; }
  dl { font-size: 19px; }
}