:root {
  --ink: #10203f;
  --muted: #66708a;
  --brand: #1c64f2;
  --brand-dark: #1247b8;
  --line: #dce3f1;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

.login-page {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  padding: 2rem 1.25rem;
  background:
    radial-gradient(circle at 18% 18%, rgba(28, 100, 242, .12), transparent 28%),
    linear-gradient(145deg, #f8fbff 0%, #eaf2ff 54%, #f4f8ff 100%);
}

.login-page::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(28, 100, 242, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 100, 242, .035) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(to bottom, #000, transparent 85%);
}

.decor {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.decor-one {
  width: 300px;
  height: 300px;
  top: -120px;
  right: -80px;
  background: rgba(100, 164, 255, .18);
}

.decor-two {
  width: 220px;
  height: 220px;
  bottom: -90px;
  left: -60px;
  background: rgba(28, 100, 242, .12);
}

.login-card {
  z-index: 1;
  width: min(100%, 440px);
  overflow: hidden;
  border-radius: 1.75rem;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 24px 70px rgba(25, 58, 118, .16);
  backdrop-filter: blur(20px);
  transition: transform .32s ease, box-shadow .32s ease;
}

.login-card:hover,
.login-card:focus-within,
.login-card.is-open {
  transform: translateY(-6px);
  box-shadow: 0 34px 90px rgba(25, 58, 118, .22);
}

.brand-mark {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 17px;
  color: #fff;
  font-size: 1.35rem;
  font-weight: 800;
  background: linear-gradient(145deg, #2f76ff, #164dc4);
  box-shadow: 0 12px 28px rgba(28, 100, 242, .28);
}

.eyebrow {
  color: var(--brand);
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.display-title {
  font-size: clamp(1.8rem, 7vw, 2.35rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -.04em;
}

.intro {
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.7;
}

.reveal-button {
  min-height: 64px;
  padding: .9rem 1rem;
  border: 1px solid #d8e3f8;
  border-radius: .9rem;
  color: var(--brand-dark);
  font-weight: 700;
  background: #f6f9ff;
}

.reveal-button:hover,
.reveal-button:focus {
  border-color: #a8c4fa;
  color: var(--brand-dark);
  background: #edf4ff;
}

.arrow {
  font-size: 1.3rem;
  transition: transform .26s ease;
}

.login-card:hover .arrow,
.login-card:focus-within .arrow,
.login-card.is-open .arrow {
  transform: rotate(90deg);
}

.form-reveal {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    grid-template-rows .38s cubic-bezier(.2, .8, .2, 1),
    opacity .25s ease,
    transform .38s ease,
    visibility .38s;
}

.form-reveal > form {
  min-height: 0;
  overflow: hidden;
}

.login-card:hover .form-reveal,
.login-card:focus-within .form-reveal,
.login-card.is-open .form-reveal {
  grid-template-rows: 1fr;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#loginForm {
  padding-top: 1.5rem;
}

.form-label {
  font-size: .82rem;
  font-weight: 700;
}

.form-control {
  min-height: 50px;
  border-color: var(--line);
  border-radius: .8rem;
  color: var(--ink);
  background: #fbfdff;
}

.form-control:focus {
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 .25rem rgba(28, 100, 242, .11);
}

.forgot-link {
  color: var(--brand);
  font-size: .75rem;
  font-weight: 700;
  text-decoration: none;
}

.submit-button {
  min-height: 52px;
  border: 0;
  border-radius: .9rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 0 12px 26px rgba(28, 100, 242, .25);
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(28, 100, 242, .32);
}

.security-note {
  color: #8791a7;
  font-size: .68rem;
  letter-spacing: .05em;
  text-transform: uppercase;
}

@media (max-width: 520px) {
  .login-card {
    border-radius: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
  }
}