:root {
  color: #132f38;
  background: #f3f7f6;
  color-scheme: light;
  font-family: "Instrument Sans", "Aptos", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  --ink: #132f38;
  --deep: #11323a;
  --teal: #136553;
  --muted: #4a6469;
  --line: #a9bfb9;
  --mint: #e5f2ed;
  --yellow: #f5d879;
  --paper: #fff;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; }
h1, h2, p { margin: 0; }

.login-layout {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.intro {
  isolation: isolate;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: end;
  padding: clamp(2rem, 6vw, 6rem);
  background: var(--deep);
  color: #edf7f3;
}

.radar-graphic {
  position: absolute;
  z-index: -1;
  width: min(77%, 30rem);
  aspect-ratio: 1;
  top: 38%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid #5d857e;
  border-radius: 50%;
  background: linear-gradient(#5d857e40, #5d857e40) center / 1px 100% no-repeat,
              linear-gradient(#5d857e40, #5d857e40) center / 100% 1px no-repeat;
}

.radar-graphic::before, .radar-graphic::after {
  content: "";
  position: absolute;
  border: 1px solid #5d857e;
  border-radius: 50%;
}

.radar-graphic::before { inset: 15%; }
.radar-graphic::after { inset: 31%; }

.radar-graphic i {
  position: absolute;
  top: 17%;
  left: 78%;
  width: clamp(.7rem, 1.6vw, 1.1rem);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 6px var(--deep);
}

.brand { color: #b6ccc9; font-size: .92rem; font-weight: 650; }
h1 {
  margin: .55rem 0 .7rem;
  font-size: clamp(2.3rem, 5.5vw, 5.2rem);
  line-height: .98;
  letter-spacing: -.065em;
}

.purpose { color: #cfdfdb; font-size: clamp(.98rem, 1.5vw, 1.18rem); line-height: 1.4; }

.access { display: grid; align-items: center; padding: clamp(2rem, 6vw, 6rem); }
.access-content { width: min(100%, 26rem); margin-inline: auto; }
h2 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.08; letter-spacing: -.055em; }
#access-instructions { color: var(--muted); margin-top: .8rem; line-height: 1.55; }

form { display: grid; gap: .5rem; margin-top: 1.75rem; }
label { font-size: .9rem; font-weight: 650; }
input + label { margin-top: .4rem; }

input, button { font: inherit; }
input {
  width: 100%;
  min-width: 0;
  min-height: 3rem;
  padding: .65rem .8rem;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  color: var(--ink);
}

button {
  min-height: 3rem;
  margin-top: .45rem;
  padding: .65rem .9rem;
  border: 1px solid transparent;
  border-radius: 7px;
  background: var(--teal);
  color: var(--paper);
  font-weight: 680;
  cursor: pointer;
}

button:hover { background: #0f5244; }
:focus-visible { outline: 3px solid #127862; outline-offset: 3px; }

.login-status {
  margin-top: 1.3rem;
  padding: .8rem .9rem;
  border: 1px solid #b8d6c9;
  border-radius: 7px;
  background: var(--mint);
  color: #184f43;
  line-height: 1.45;
}

.login-status[role="alert"] { border-color: #ddc78e; background: #fff6db; color: #5f4a18; }

@media (max-width: 700px) {
  .login-layout { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr; }
  .intro { min-height: 14rem; padding: 2rem 1.5rem; }
  .intro-copy { width: min(100%, 26rem); margin-inline: auto; }
  .radar-graphic { width: 13rem; top: 15%; left: auto; right: -4rem; transform: none; opacity: .5; }
  .access { align-items: start; padding: 2.1rem 1.5rem 3rem; }
}