body {
      background: #e9eef3;
      font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans", sans-serif;
      padding: 16px;
      margin: 0;
  }

  [v-cloak] {
      display: none
  }

  /* Khớp layout với trang đăng ký */
  #loginApp {
      display: flex;
      justify-content: center;
      align-items: flex-start;
      min-height: calc(100dvh - 32px);
      padding-top: 6vh;
  }

  .glass-box {
      backdrop-filter: blur(14px) saturate(160%);
      -webkit-backdrop-filter: blur(14px) saturate(160%);
      background: rgba(255, 255, 255, .6);
      border: 1px solid rgba(200, 200, 200, .4);
      box-shadow: 0 6px 20px rgba(0, 0, 0, .08);
      border-radius: 16px;
      max-width: 420px;
      width: 100%;
      padding: 28px;
      color: #333;
  }

  .glass-box h4 {
      text-align: center;
      font-weight: 700;
      margin-bottom: 1rem;
      color: #111
  }

  .form-control {
      background: rgba(255, 255, 255, .8);
      border: 1px solid rgba(180, 180, 180, .4);
      color: #333;
  }

  .form-control::placeholder {
      color: #888
  }

  .form-control:focus {
      border-color: #6ea8fe;
      box-shadow: none;
      background: #fff;
      color: #111
  }

  .btn-primary {
      background: #3a6df0;
      border-color: #3a6df0
  }

  .btn-primary:hover {
      background: #305ace;
      border-color: #305ace
  }

  .btn-glass {
      background: rgba(255, 255, 255, .4);
      border: 1px solid rgba(180, 180, 180, .4);
      color: #333;
  }

  .btn-glass:hover {
      background: rgba(255, 255, 255, .6)
  }

  /* Alert glass giống trang reg */
  .glass-alert {
      padding: .75rem 1.25rem;
      margin-bottom: 1rem;
      font-size: 1rem;
      font-weight: 600;
      border-radius: .75rem;
      backdrop-filter: blur(6px);
      box-shadow: 0 6px 12px rgba(0, 0, 0, .15);
      display: flex;
      align-items: center;
      line-height: 1.4;
  }

  .glass-alert-error {
      background: rgba(255, 0, 0, .07);
      border-left: 4px solid rgba(255, 0, 0, .6);
      color: rgba(200, 0, 0, .9)
  }

  .glass-alert-success {
      background: rgba(0, 200, 100, .07);
      border-left: 4px solid rgba(0, 200, 100, .6);
      color: rgba(0, 150, 70, 1)
  }

  .glass-alert-waiting {
      background: rgba(255, 200, 0, .07);
      border-left: 4px solid rgba(255, 200, 0, .6);
      color: rgba(180, 140, 0, 1)
  }

  /* Transitions (giữ nguyên cho JS) */
  .transition-flip-enter-active,
  .transition-flip-leave-active {
      transition: transform .6s ease;
      transform-style: preserve-3d;
      backface-visibility: hidden
  }

  .transition-flip-enter-from {
      transform: rotateY(180deg);
      opacity: 0
  }

  .transition-flip-leave-to {
      transform: rotateY(-180deg);
      opacity: 0
  }

  .transition-slide-x-enter-active,
  .transition-slide-x-leave-active {
      transition: all .4s ease
  }

  .transition-slide-x-enter-from {
      transform: translateX(100%);
      opacity: 0
  }

  .transition-slide-x-leave-to {
      transform: translateX(-100%);
      opacity: 0
  }

  .transition-zoom-enter-active,
  .transition-zoom-leave-active {
      transition: all .3s ease
  }

  .transition-zoom-enter-from {
      transform: scale(.85);
      opacity: 0
  }

  .transition-zoom-leave-to {
      transform: scale(1.15);
      opacity: 0
  }

  .transition-fade-enter-active,
  .transition-fade-leave-active {
      transition: opacity .3s ease
  }

  .transition-fade-enter-from,
  .transition-fade-leave-to {
      opacity: 0
  }

  .transition-transform-enter-active,
  .transition-transform-leave-active {
      transition: all .4s ease
  }

  .transition-transform-enter-from {
      opacity: 0;
      transform: translateY(20px) scale(.95)
  }

  .transition-transform-leave-to {
      opacity: 0;
      transform: translateY(-20px) scale(1.05)
  }