:root {
  color-scheme: dark;
  --bg-1: #04111f;
  --bg-2: #0b1f38;
  --bg-3: #08101c;
  --line: rgba(115, 200, 255, 0.18);
  --cyan: #82f3ff;
  --blue: #4ea1ff;
  --violet: #7f7bff;
  --text: #eef7ff;
  --muted: #9db4cc;
  --danger: #ff8f8f;
  --success: #95ffcb;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(78, 161, 255, 0.22), transparent 26%),
    radial-gradient(circle at 80% 30%, rgba(127, 123, 255, 0.18), transparent 24%),
    linear-gradient(160deg, var(--bg-1) 0%, var(--bg-2) 50%, var(--bg-3) 100%);
  color: var(--text);
}

.scene {
  position: fixed;
  inset: 0;
  perspective: 1100px;
  overflow: hidden;
}

.grid {
  position: absolute;
  inset: auto -15vw -22vh -15vw;
  height: 60vh;
  transform-origin: center top;
  transform: rotateX(72deg);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(to top, rgba(0, 0, 0, 1), transparent 82%);
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(10px);
  animation: drift 9s ease-in-out infinite;
}

.orb-one {
  top: 10vh;
  left: 10vw;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle at 35% 35%, rgba(130, 243, 255, 0.95), rgba(78, 161, 255, 0.08) 68%);
}

.orb-two {
  right: 12vw;
  top: 18vh;
  width: 220px;
  height: 220px;
  animation-duration: 12s;
  background: radial-gradient(circle at 50% 50%, rgba(127, 123, 255, 0.8), rgba(127, 123, 255, 0.06) 70%);
}

.shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(460px, 100%);
  padding: 32px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(15, 28, 49, 0.84), rgba(4, 11, 23, 0.72));
  border: 1px solid rgba(135, 211, 255, 0.24);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  transform-style: preserve-3d;
  transform: rotateX(9deg) rotateY(-11deg);
}

.login-card::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: 27px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), transparent 34%, transparent 66%, rgba(130, 243, 255, 0.08));
  pointer-events: none;
}

.brand,
.login-form {
  position: relative;
}

.brand {
  transform: translateZ(60px);
}

.kicker {
  margin: 0 0 10px;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.75rem;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 8vw, 3.6rem);
  line-height: 0.92;
}

.lead {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.login-form {
  margin-top: 28px;
  display: grid;
  gap: 16px;
  transform: translateZ(80px);
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  color: var(--muted);
}

.field input {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid rgba(130, 243, 255, 0.18);
  border-radius: 16px;
  background: rgba(4, 15, 29, 0.78);
  color: var(--text);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.field input:focus {
  border-color: rgba(130, 243, 255, 0.6);
  box-shadow: 0 0 0 4px rgba(130, 243, 255, 0.12);
  transform: translateY(-1px);
}

.submit {
  margin-top: 8px;
  border: 0;
  border-radius: 16px;
  padding: 16px 18px;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #03111d;
  cursor: pointer;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 18px 30px rgba(78, 161, 255, 0.28);
  transition: transform 160ms ease, box-shadow 160ms ease, filter 160ms ease;
}

.submit:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
  box-shadow: 0 24px 38px rgba(78, 161, 255, 0.34);
}

.status {
  min-height: 24px;
  margin: 2px 0 0;
  color: var(--muted);
}

.status.error {
  color: var(--danger);
}

.status.success {
  color: var(--success);
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  50% {
    transform: translate3d(14px, -18px, 0) scale(1.05);
  }
}

@media (max-width: 640px) {
  body {
    overflow: auto;
  }

  .login-card {
    padding: 24px;
    transform: none;
  }

  .grid {
    inset: auto -60vw -8vh -60vw;
    height: 35vh;
  }
}