.login-screen {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(94, 179, 246, 0.12), transparent),
    #0c0e12;
  padding: 24px;
}

.login-screen.hidden {
  display: none;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: #151922;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 40px 36px 32px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.login-brand {
  text-align: center;
  margin-bottom: 28px;
}

.login-brand img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  background: #fff;
  border-radius: 18px;
  padding: 12px;
  margin-bottom: 16px;
}

.login-brand h1 {
  font-size: 24px;
  font-weight: 800;
  color: #e8eaed;
  margin-bottom: 6px;
}

.login-brand p {
  font-size: 14px;
  color: #9aa3b2;
  letter-spacing: 1px;
}

.login-brand .login-tag {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  font-weight: 300;
  color: #7a8494;
}

.login-form .form-group {
  margin-bottom: 18px;
}

.login-form label {
  display: block;
  font-size: 13px;
  color: #9aa3b2;
  margin-bottom: 8px;
}

.login-form input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #0f1218;
  color: #e8eaed;
  font-size: 15px;
}

.login-form input:focus {
  outline: none;
  border-color: rgba(94, 179, 246, 0.5);
}

.login-error {
  min-height: 20px;
  margin-bottom: 12px;
  font-size: 13px;
  color: #f87171;
}

.login-submit {
  width: 100%;
  padding: 13px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #5eb3f6, #3a8fd4);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.login-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.login-hint {
  margin-top: 16px;
  text-align: center;
  font-size: 12px;
  color: #7a8494;
}

.admin-layout.locked {
  display: none;
}

.admin-sidebar-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-user-chip {
  padding: 10px 12px;
  font-size: 12px;
  color: #9aa3b2;
}

.admin-user-chip strong {
  display: block;
  color: #e8eaed;
  font-size: 14px;
  margin-bottom: 2px;
}

.admin-logout-btn {
  color: #f87171 !important;
}

.admin-logo-image {
  width: 72px;
  height: 72px;
  object-fit: contain;
  background: #fff;
  border-radius: 14px;
  padding: 8px;
  margin-bottom: 12px;
}

.admin-logo-title {
  display: block;
  font-size: 16px;
  font-weight: 800;
  color: #e8eaed;
  line-height: 1.3;
}

.admin-logo-en {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: #9aa3b2;
  font-weight: 600;
}

.preview-brand-logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
  background: #fff;
  border-radius: 12px;
  padding: 8px;
  margin: 0 auto 12px;
  display: block;
}