:root {
  color-scheme: light;
  font: 16px/1.5 "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: #142f49;
  background: #edf4fa;
}
* {box-sizing: border-box}
[hidden] {display: none !important}
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: clamp(18px, 4vw, 70px);
  background: radial-gradient(ellipse at 84% 8%, #d8eafb, transparent 58%), linear-gradient(135deg, #f7fafc, #e6eff7);
}
.sign-in-shell {
  width: min(100%, 1100px);
  display: grid;
  grid-template-columns: minmax(345px, .86fr) 1.14fr;
  border-radius: 24px;
  padding: 10px;
  background: #fff;
  border: 1px solid #d1deeb;
  box-shadow: 0 22px 72px -34px #233f6555;
}
.entry {
  padding: clamp(25px, 3vw, 45px) clamp(24px, 3.7vw, 55px) clamp(38px, 4vw, 68px);
  display: flex;
  flex-direction: column;
}
.brand {display: block; width: 164px; max-width: 65%; height: auto}
.entry-content {margin-block: auto; padding-top: clamp(32px, 6.4vh, 75px)}
.eyebrow, .board-label {
  margin: 0 0 9px;
  font-size: .72rem;
  font-weight: 720;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.eyebrow {color: #235a97}
h1, h2 {margin: 0; letter-spacing: -.045em}
h1 {font-size: clamp(2.6rem, 4.1vw, 3.4rem); line-height: 1.08; font-weight: 660}
.intro {margin: 10px 0 28px; max-width: 32ch; color: #4f6379; line-height: 1.55}
form {display: grid; gap: 7px}
label {color: #263f56; font-size: .9rem; font-weight: 650}
label:not(:first-child) {margin-top: 9px}
input, button, .submit {font: inherit}
input {display: block; width: 100%; min-height: 47px; padding: 10px 13px; background: #fbfdff; color: #142f49; border: 1px solid #abc0d1; border-radius: 8px}
input:focus {border-color: #2673c7}
:where(input, button, a):focus-visible {outline: 3px solid #4595de; outline-offset: 3px}
input[aria-invalid="true"] {border-color: #b44745}
.password-field {position: relative}
.password-field input {padding-right: 64px}
button {cursor: pointer}
.visibility {position: absolute; inset-block: 2px; right: 2px; background: none; color: #385c81; font-size: .83rem; font-weight: 650; padding: 0 12px; border: 0; border-radius: 6px}
.submit {display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%; min-height: 48px; padding: 9px 16px; border: 0; border-radius: 8px; margin-top: 15px; color: white; background: #195fc0; text-decoration: none; font-weight: 650; transition: background-color 140ms, transform 140ms ease-out}
.submit span {font-size: 1.25rem}
.submit:active {transform: scale(.99)}
.submit:disabled {background: #4d78ac; cursor: wait}
.switch {display: block; color: #235a97; background: transparent; border: 0; padding: 10px; margin: 6px auto 0}
.message {font-size: .88rem; color: #a13035; margin: 5px 0}
.board {position: relative; isolation: isolate; display: flex; flex-direction: column; justify-content: space-between; min-height: 520px; overflow: hidden; margin: 0; border-radius: 16px; color: white; background-color: #102c60; background-image: radial-gradient(ellipse at 86% 78%, #1859ac, transparent 61%), linear-gradient(145deg,#0c264c,#10366a 51%,#184885)}
.board::before {content: ""; position: absolute; z-index: -1; inset: 0; opacity: .32; background-image: radial-gradient(#aacbee 0.7px, transparent 1px); background-size: 13px 13px; mask-image: linear-gradient(25deg,transparent,#000 72%)}
.board-heading {margin: clamp(26px, 3.4vw, 48px) clamp(24px, 3.5vw, 50px) 0; z-index: 1}
.board-label {display: flex; align-items: center; gap: 9px; color: #dcf2ff}
.board-label i {display: block; width: 19px; height: 3px; background: #bcf395}
.board h2 {font-size: clamp(2.0rem, 3.5vw, 3.05rem); font-weight: 550; line-height: 1.12}
.court {display: block; width: 100%; height: auto; margin: -4% 0 0}
figcaption {display: flex; align-items: center; gap: 24px; margin: 0 clamp(24px, 3.5vw, 50px) 26px; padding-top: 16px; border-top: 1px solid #91afd550; color: #e0ebfa; font-size: .78rem; font-weight: 570}
figcaption span {display: inline-flex; align-items: center; gap: 7px}
.token {width: 9px; height: 9px; border-radius: 50%}
.attack {background: #c3f699}
.defence {background: #d4e5fa}
.pass {width: 19px; border-top: 2px dashed #c3f699}
@media (hover: hover) {.submit:hover {background: #124fa3}.visibility:hover,.switch:hover {color: #0b3970; background: #eaf3fc}}
@media (max-width: 700px) {
  body {padding: 16px}
  .sign-in-shell {width: min(100%, 460px); grid-template-columns: minmax(0,1fr); padding: 7px; border-radius: 18px}
  .entry {padding: 22px clamp(16px,5vw,30px) 28px}
  .brand {width: 144px}
  .entry-content {padding-top: 27px}
  h1 {font-size: 2.55rem}
  .intro {margin: 7px 0 18px; max-width: none}
  .board {min-height: 105px; border-radius: 11px; display: grid; align-items: center; grid-template-columns: 1fr 1fr}
  .board-heading {margin: 16px; z-index: 1}
  .board-label {font-size: .6rem; margin-bottom: 4px}
  .board h2 {font-size: 1.45rem}
  .court {position: absolute; width: 54%; right: -1%; top: 50%; transform: translateY(-53%); margin: 0}
  figcaption {display: none}
}
@media (prefers-reduced-motion: reduce) {.submit {transition: none}.submit:active {transform: none}}