/* 登录页鼠标轨迹方块背景 */
body.login-body {
  position: relative;
  isolation: isolate;
  background: #08080c;
  overflow-x: hidden;
}

.canvas-tile-background {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.72;
}

.canvas-tile-vignette {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(80, 90, 180, 0.04), transparent 55%),
    radial-gradient(ellipse at 50% 50%, rgba(8, 8, 12, 0.35), transparent 70%),
    radial-gradient(ellipse at 50% 100%, rgba(0, 0, 0, 0.55), transparent 60%);
}

body.login-body > .login-shell {
  position: relative;
  z-index: 1;
}

body.login-body .login-shell {
  background: rgba(16, 16, 22, 0.82);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

body.login-body .brand-panel {
  background: linear-gradient(145deg, rgba(30, 30, 42, 0.95), rgba(12, 12, 18, 0.98));
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

@media (prefers-reduced-motion: reduce) {
  .canvas-tile-background {
    display: none;
  }
}