:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07111f;
  color: #edf5ff;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 18% 18%, rgba(59, 130, 246, .20), transparent 32rem),
    radial-gradient(circle at 82% 78%, rgba(20, 184, 166, .14), transparent 28rem),
    #07111f;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.login-card {
  width: min(100%, 29rem);
  padding: 2.25rem;
  border: 1px solid rgba(148, 163, 184, .24);
  border-radius: 1.4rem;
  background: rgba(15, 28, 46, .88);
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, .34);
  backdrop-filter: blur(18px);
}

.brand,
.environment {
  margin: 0;
  font-weight: 750;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.brand {
  color: #7dd3fc;
  font-size: .76rem;
}

.environment {
  display: inline-block;
  margin-top: 1.15rem;
  padding: .35rem .7rem;
  border: 1px solid rgba(45, 212, 191, .38);
  border-radius: 999px;
  color: #99f6e4;
  font-size: .7rem;
}

h1 {
  margin: 1.15rem 0 .55rem;
  font-size: clamp(2rem, 8vw, 2.65rem);
  line-height: 1.05;
}

.intro {
  margin: 0 0 1.6rem;
  color: #a9b8ca;
  line-height: 1.55;
}

.error {
  margin: 0 0 1.2rem;
  padding: .8rem .9rem;
  border: 1px solid rgba(251, 113, 133, .45);
  border-radius: .75rem;
  background: rgba(159, 18, 57, .22);
  color: #fecdd3;
  font-size: .92rem;
  line-height: 1.4;
}

form {
  display: grid;
  gap: .7rem;
}

label {
  margin-top: .35rem;
  color: #dbeafe;
  font-size: .88rem;
  font-weight: 650;
}

input {
  width: 100%;
  min-height: 3rem;
  padding: .75rem .9rem;
  border: 1px solid #334a67;
  border-radius: .75rem;
  outline: none;
  background: #0a1728;
  color: #f8fafc;
  font: inherit;
}

input:focus {
  border-color: #38bdf8;
  box-shadow: 0 0 0 .22rem rgba(56, 189, 248, .16);
}

button {
  min-height: 3rem;
  margin-top: .65rem;
  border: 0;
  border-radius: .75rem;
  background: linear-gradient(135deg, #38bdf8, #2dd4bf);
  color: #042f3a;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.08);
}

button:focus-visible {
  outline: .2rem solid #bae6fd;
  outline-offset: .2rem;
}

@media (max-width: 32rem) {
  .login-card {
    padding: 1.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}