.login-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 12%, rgba(124, 92, 255, 0.2), transparent 34rem),
    radial-gradient(circle at 88% 82%, rgba(47, 211, 200, 0.12), transparent 30rem),
    var(--bg);
}
.login-page::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}
.login-shell {
  position: relative;
  z-index: 1;
  width: min(1040px, calc(100% - 2rem));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: center;
  padding: 3rem 0;
}
.login-welcome { max-width: 37rem; }
.login-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: 0.02em;
}
.login-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 11px;
  color: white;
  background: linear-gradient(135deg, var(--accent), #4f7cff 58%, var(--cyan));
  box-shadow: 0 0 28px rgba(124, 92, 255, 0.38);
}
.login-kicker {
  color: var(--cyan);
  margin: 4rem 0 0.6rem;
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.login-welcome h1 {
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
  margin: 0;
}
.login-intro {
  max-width: 34rem;
  margin: 1.35rem 0 1.75rem;
  color: #b7c2da;
  font-size: clamp(1rem, 2vw, 1.15rem);
}
.login-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
  color: var(--muted);
}
.login-points span { color: var(--cyan); margin-right: 0.55rem; }
.login-card {
  padding: clamp(1.4rem, 4vw, 2.2rem);
  border: 1px solid rgba(139, 151, 179, 0.25);
  border-radius: 22px;
  background: rgba(16, 22, 38, 0.9);
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(18px);
}
.login-card h2 { margin: 0.15rem 0 0.35rem; font-size: 1.45rem; }
.login-eyebrow {
  margin: 0;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.login-form { display: grid; gap: 0.9rem; margin-top: 1.5rem; }
.login-form label {
  display: grid;
  gap: 0.4rem;
  color: #c7d0e4;
  font-size: 0.84rem;
  font-weight: 650;
}
.login-form input {
  min-height: 3rem;
  padding: 0.7rem 0.8rem;
  background: rgba(8, 11, 18, 0.88);
}
.login-form input:focus {
  outline: 2px solid rgba(47, 211, 200, 0.45);
  border-color: var(--cyan);
}
.login-submit { min-height: 3rem; margin-top: 0.35rem; }
.login-age {
  margin: 1.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.76rem;
  text-align: center;
}
.login-error,
.login-field-error { color: #ffc2c8; font-size: 0.82rem; }
.login-error {
  margin-top: 1rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--danger);
  border-radius: 8px;
  background: #2a1216;
}
.login-error ul,
.login-field-error ul { margin: 0; padding-left: 1rem; }
@media (max-width: 760px) {
  .login-shell {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 1.5rem 0 2.5rem;
  }
  .login-kicker { margin-top: 3rem; }
  .login-welcome h1 { font-size: clamp(2.8rem, 15vw, 4.4rem); }
  .login-points { display: none; }
  .login-card { border-radius: 18px; }
}