/* P5.48 Login polish: official XLink logo + left AI brain portrait background. */
.login-body {
  background:
    radial-gradient(circle at 18% 18%, rgba(250, 238, 19, 0.1), transparent 32%),
    radial-gradient(circle at 82% 12%, rgba(39, 93, 255, 0.18), transparent 30%),
    linear-gradient(135deg, #050812 0%, #0b1022 52%, #050812 100%);
}

.login-shell {
  align-items: stretch;
}

.login-visual {
  background:
    radial-gradient(circle at 22% 32%, rgba(250, 238, 19, 0.12), transparent 18%),
    radial-gradient(circle at 76% 28%, rgba(46, 119, 255, 0.24), transparent 30%),
    linear-gradient(135deg, rgba(8, 12, 26, 0.9), rgba(12, 18, 40, 0.78));
}

.login-visual,
.login-card {
  height: 100%;
  min-height: calc(100vh - 68px);
}

.login-card {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-visual-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% 50%;
  opacity: 0.52;
  filter: saturate(1.08) contrast(1.04) brightness(0.9);
}

.login-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 8, 18, 0.95) 0%, rgba(5, 8, 18, 0.74) 42%, rgba(5, 8, 18, 0.34) 100%),
    linear-gradient(180deg, rgba(5, 8, 18, 0.18), rgba(5, 8, 18, 0.86));
}

.login-visual::before {
  z-index: 1;
}

.login-visual > * {
  z-index: 2;
}

.login-brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 18px;
  border: 1px solid rgba(250, 238, 19, 0.2);
  background: rgba(0, 0, 0, 0.38);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.28), 0 0 34px rgba(250, 238, 19, 0.08);
  overflow: hidden;
}

.login-brand-mark img,
.login-system-seal img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}

.login-brand .brand-word {
  padding-left: 12px;
  border-left: 1px solid rgba(250, 238, 19, 0.24);
}

.login-system-seal {
  min-height: 64px;
  gap: 12px;
  border-color: rgba(250, 238, 19, 0.2);
  background: rgba(0, 0, 0, 0.26);
}

.login-system-seal img {
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: #000;
  box-shadow: 0 0 28px rgba(250, 238, 19, 0.16);
}

.login-os-title {
  max-width: min(100%, 680px);
  white-space: nowrap;
  letter-spacing: 0;
}

.login-os-title span {
  display: block;
  font-size: clamp(42px, 4.7vw, 78px);
  line-height: 1.08;
}

.login-card .password-field {
  position: relative;
  display: block;
  width: 100%;
}

.login-card .password-field input {
  width: 100%;
  padding-right: 64px;
}

.login-card .password-field .password-toggle {
  position: absolute;
  top: 50%;
  right: 8px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  min-width: 44px;
  height: 24px;
  margin: 0;
  padding: 0;
  border-radius: 7px;
  font-size: 11px;
  line-height: 1;
  transform: translateY(-50%);
}

@media (max-width: 1100px) {
  .login-os-title span {
    font-size: clamp(34px, 6vw, 58px);
  }
}

@media (max-width: 920px) {
  .login-visual,
  .login-card {
    height: auto;
    min-height: auto;
  }

  .login-card {
    justify-content: flex-start;
  }
}